Biggest changeResults are as follows (in thousands): Fiscal Year Ended December 31, 2023 2022 2021 Revenue $ 728,937 $ 629,097 $ 515,657 Cost of revenue (1)(2) 309,598 275,320 236,024 Gross profit 419,339 353,777 279,633 Operating expenses (1)(2) Sales and marketing 316,738 301,347 227,023 Research and development 120,335 104,556 66,107 General and administrative 93,898 99,064 64,410 Restructuring charges 10,263 — — Total operating expenses 541,234 504,967 357,540 Loss from operations (121,895) (151,190) (77,907) Other income (expense) Interest income 20,670 5,548 204 Interest expense (518) (1,251) (220) Other expense, net (1,898) (4,696) (920) Total other income (expense), net 18,254 (399) (936) Net loss before taxes (103,641) (151,589) (78,843) Income tax provision (3,653) (2,286) (1,183) Net loss attributable to common stockholders $ (107,294) $ (153,875) $ (80,026) Net loss per share attributable to common stockholders Basic and diluted $ (0.71) $ (1.09) $ (1.46) Weighted-average shares used in computing net loss per share attributable to common stockholders Basic and diluted 150,098,776 140,873,504 54,972,827 53 Table of Contents (1) Includes stock-based compensation expense as follows (in thousands): Fiscal Year Ended December 31, 2023 2022 2021 Cost of revenue $ 7,006 $ 5,360 $ 1,623 Sales and marketing 30,859 29,054 8,637 Research and development 26,301 20,850 6,816 General and administrative 30,672 26,029 17,604 Restructuring charges 1,208 — — Total stock-based compensation expense $ 96,046 $ 81,293 $ 34,680 (2) Includes amortization of intangible assets as follows (in thousands): Fiscal Year Ended December 31, 2023 2022 2021 Cost of revenue $ 2,900 $ 2,900 $ 1,022 Sales and marketing 1,208 1,366 481 Total amortization of intangible assets $ 4,108 $ 4,266 $ 1,503 The following table summarizes our results of operations as a percentage of revenue for each of the periods indicated: Fiscal Year Ended December 31, 2023 2022 2021 Revenue 100 % 100 % 100 % Cost of revenue 42 44 46 Gross profit 58 56 54 Operating expenses Sales and marketing 43 48 44 Research and development 17 17 13 General and administrative 13 15 12 Restructuring charges 1 — — Total operating expenses 74 80 69 Loss from operations (16) (24) (15) Other income (expense) Interest income 3 1 — Interest expense — — — Other expense, net — (1) — Total other income (expense), net 3 — — Net loss before taxes (13) (24) (15) Income tax provision (1) — — Net loss attributable to common stockholders (14) % (24) % (15) % 54 Table of Contents Comparison of the fiscal year ended December 31, 2023 and 2022 Revenue Fiscal Year Ended December 31, Change 2023 2022 $ % Revenue (in thousands, except percentages) Enterprise $ 420,646 $ 314,038 $ 106,608 34 % Consumer 308,291 315,059 (6,768) (2) % Total revenue $ 728,937 $ 629,097 $ 99,840 16 % Revenue for the fiscal year ended December 31, 2023, was $728.9 million, compared to $629.1 million for the same period in the prior year, which represents an increase of $99.8 million, or 16%.
Biggest changeResults are as follows (in thousands, except share and per share amounts): Fiscal Year Ended December 31, 2024 2023 2022 Revenue $ 786,565 $ 728,937 $ 629,097 Cost of revenue (1)(2) 294,625 309,598 275,320 Gross profit 491,940 419,339 353,777 Operating expenses (1)(2) Sales and marketing 342,946 316,738 301,347 Research and development 125,438 120,335 104,556 General and administrative 96,199 93,898 99,064 Restructuring charges 16,685 10,263 — Total operating expenses 581,268 541,234 504,967 Loss from operations (89,328) (121,895) (151,190) Other income (expense), net Interest income 19,666 20,670 5,548 Interest expense 379 (518) (1,251) Other expense, net (11,655) (1,898) (4,696) Total other income (expense), net 8,390 18,254 (399) Net loss before taxes (80,938) (103,641) (151,589) Income tax provision (4,350) (3,653) (2,286) Net loss $ (85,288) $ (107,294) $ (153,875) Net loss per share Basic and diluted $ (0.56) $ (0.71) $ (1.09) Weighted-average shares used in computing net loss per share Basic and diluted 151,320,497 150,098,776 140,873,504 59 Table of Contents (1) Includes stock-based compensation expense as follows (in thousands): Fiscal Year Ended December 31, 2024 2023 2022 Cost of revenue $ 6,887 $ 7,006 $ 5,360 Sales and marketing 28,665 30,859 29,054 Research and development 27,046 26,301 20,850 General and administrative 27,584 30,672 26,029 Restructuring charges (160) 1,208 — Total stock-based compensation expense $ 90,022 $ 96,046 $ 81,293 (2) Includes amortization of intangible assets as follows (in thousands): Fiscal Year Ended December 31, 2024 2023 2022 Cost of revenue $ 1,880 $ 2,900 $ 2,900 Sales and marketing 915 1,208 1,366 Total amortization of intangible assets $ 2,795 $ 4,108 $ 4,266 The following table summarizes our results of operations as a percentage of revenue for each of the periods indicated: Fiscal Year Ended December 31, 2024 2023 2022 Revenue 100 % 100 % 100 % Cost of revenue 37 42 44 Gross profit 63 58 56 Operating expenses Sales and marketing 44 43 48 Research and development 16 17 17 General and administrative 12 13 15 Restructuring charges 2 1 — Total operating expenses 74 74 80 Loss from operations (11) (16) (24) Other income (expense), net Interest income 3 3 1 Interest expense — — — Other expense, net (2) — (1) Total other income (expense), net 1 3 — Net loss before taxes (10) (13) (24) Income tax provision (1) (1) — Net loss (11) % (14) % (24) % 60 Table of Contents Comparison of the fiscal years ended December 31, 2024 and 2023 Revenue Fiscal Year Ended December 31, Change 2024 2023 $ % Revenue (in thousands, except percentages) Enterprise $ 494,458 $ 420,646 $ 73,812 18 % Consumer 292,107 308,291 (16,184) (5) % Total revenue $ 786,565 $ 728,937 $ 57,628 8 % Revenue for the fiscal year ended December 31, 2024, was $786.6 million, compared to $728.9 million for the same period in the prior year, which represents an increase of $57.6 million, or 8%.
We expect cost of revenue to generally decrease as a percentage of revenue as we increase the percentage of revenue derived from our UB offering and decrease the instructor revenue share percentage. Operating expenses Operating expenses consist of research and development, sales and marketing, general and administrative expenses, and restructuring charges.
We expect cost of revenue as a percentage of revenue to generally decrease, as we increase the percentage of revenue derived from our UB offering and decrease the instructor revenue share percentage. Operating expenses Operating expenses consist of sales and marketing, research and development, general and administrative expenses, and restructuring charges.
Investing activities For the fiscal year ended December 31, 2023, net cash used in investing activities was $25.0 million, primarily as a result of $307.7 million in purchases of marketable securities and $12.4 million related to capitalized internal-use software costs, which was partially offset by $295.8 million of proceeds received from the maturity of marketable securities.
For the fiscal year ended December 31, 2023, net cash used in investing activities was $25.0 million, primarily as a result of $307.7 million in purchases of marketable securities and $12.4 million related to capitalized internal-use software costs, which were partially offset by $295.8 million of proceeds received from the maturity of marketable securities.
We see a significant opportunity to expand our offerings into regions with large underserved adult learning populations. We have invested, and plan to continue to invest, in personnel and marketing efforts to support our international growth and expand our international operations as part of our strategy to grow our customer and learner base, particularly among our UB customers.
We see a significant opportunity to expand our offerings into regions with large underserved adult and corporate learning populations. We have invested, and plan to continue to invest, in personnel and marketing efforts to support our international growth and expand our international operations as part of our strategy to grow our customer and learner base, particularly among our UB customers.
We curate the highest-quality content from our marketplace for Udemy’s enterprise SaaS platform, Udemy Business, which enables companies around the world to offer effective on-demand learning for employees, immersive laboratory-style learning for tech teams, and cohort-based learning focused on leadership development.
We curate the highest-quality content from our marketplace for Udemy’s enterprise SaaS platform, Udemy Business (UB), which enables companies around the world to offer effective on-demand learning for employees, immersive laboratory-style learning for tech teams, and cohort-based learning focused on leadership development.
Segment revenue represents the revenue recognized from each of these offerings and is a key measure of the performance of our platform, and in turn drives our financial performance. We also monitor segment gross profit as a key metric to help evaluate the financial performance of our individual segments and our business as a whole.
Segment revenue represents the revenue recognized from each of these offerings and is a key measure of the performance of our platform, and in turn drives our financial performance. We also monitor segment adjusted gross profit as a key metric to help evaluate the financial performance of our individual segments and our business as a whole.
Cash and cash equivalents includes money market funds, certain U.S. government securities purchased with original maturities of less than 90 days, on demand deposits, and amounts in transit from certain payment processors for credit and debit card transactions.
Cash and cash equivalents includes money market funds, certain U.S. government securities purchased with original maturities of less than 90 days, time and on demand deposits, and amounts in transit from certain payment processors for credit and debit card transactions.
Content costs, which are payments made to our instructors, are the largest individual component of segment cost of revenue. We expect to increase the percentage of our revenue derived from our Enterprise segment over time, which we expect will improve our gross margins.
Content costs, which are payments made to our instructors, are the largest individual component of segment adjusted cost of revenue. We expect to increase the percentage of our revenue derived from our Enterprise segment over time, which we expect will improve our gross margins.
Principal versus agent — In order to determine whether revenue should be reported as gross or net of either payments to third-party instructors or amounts retained by reseller partners who sell access to Enterprise subscription offerings, we evaluated whether we are the principal for sales of our consumer and UB offerings. 64 Table of Contents Determining whether we are the principal involves making key judgments about whether Udemy controls the contracted services before being transferred to the end customer.
Principal versus agent — In order to determine whether revenue should be reported as gross or net of either payments to third-party instructors or amounts retained by reseller partners who sell access to Enterprise subscription offerings, we evaluated whether we are the principal for sales of our consumer and UB offerings. 70 Table of Contents Determining whether we are the principal involves making key judgments about whether Udemy controls the contracted services before being transferred to the end customer.
Until then, we expect to maintain this full valuation allowance until it becomes more likely than not that the deferred tax assets will be realized. 52 Table of Contents Results of operations The following table summarizes our results of operations for the periods presented. The results below are not necessarily indicative of results to be expected for future periods.
Until then, we expect to maintain this full valuation allowance until it becomes more likely than not that the deferred tax assets will be realized. 58 Table of Contents Results of operations The following table summarizes our results of operations for the periods presented. The results below are not necessarily indicative of results to be expected for future periods.
We estimate the fair value of RSUs and PSUs based on our common stock price on the date of grant or modification.
We estimate the fair value of RSUs, PSUs, and restricted stock based on our common stock price on the date of grant or modification.
We view the breadth and diverse expertise of our instructor base and the content they create as one of our competitive advantages. Our ability to expand the instructor payment pool while optimizing the revenue share structure is a key element of supporting the long-term growth of our business.
We view the breadth and diverse expertise of our instructor base and the content they create as one of our competitive advantages. Our ability to expand the instructor payment pool over time while optimizing the revenue share structure is a key element of supporting the long-term growth of our business.
Furthermore, a significant portion of the most popular content on our platform, and as a result a significant portion of our revenue, is attributable to a limited number of our instructors. We experienced minimal turnover among top instructors during the fiscal year ended December 31, 2023.
Furthermore, a significant portion of the most popular content on our platform, and as a result a significant portion of our revenue, is attributable to a limited number of our instructors. We experienced minimal turnover among top instructors during the fiscal year ended December 31, 2024.
Recent accounting pronouncements See Note 2 to our consolidated financial statements included in Part II, Item 8 of this Annual Report on Form 10-K for information regarding recently issued accounting pronouncements. 66 Table of Contents
Recent accounting pronouncements See Note 2 to our consolidated financial statements included in Part II, Item 8 of this Annual Report on Form 10-K for information regarding recently issued accounting pronouncements. 72 Table of Contents
Off-balance sheet arrangements During the periods presented, we did not have any relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or special purpose entities, which would have been established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes. 63 Table of Contents Contractual obligations and commitments Our estimated future obligations as of December 31, 2023, include both current and long term obligations.
Off-balance sheet arrangements During the periods presented, we did not have any relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or special purpose entities, which would have been established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes. 69 Table of Contents Contractual obligations and commitments Our estimated future obligations as of December 31, 2024, include both current and long term obligations.
When we offer content as part of the UB and consumer subscription offerings, our instructors agree to contribute such content exclusively through our platform, which we believe demonstrates our ability to increase the value of our platform through unique content.
When we offer content as part of the UB and consumer subscription offerings, our instructors agree to distribute such content exclusively through our platform, which we believe demonstrates our ability to increase the value of our platform through unique content.
We often enter into customized contractual arrangements with our UB customers in which we offer more favorable pricing terms in exchange for larger total contract values that accompany larger deployments.
We often enter into customized contractual arrangements with our UB customers in which we offer more favorable pricing terms in exchange for larger total contract values that accompany larger deployments and longer terms.
A discussion regarding our financial condition and results of operations for the fiscal year ended December 31, 2023 compared to the fiscal year ended December 31, 2022 is presented below.
A discussion regarding our financial condition and results of operations for the fiscal year ended December 31, 2024 compared to the fiscal year ended December 31, 2023 is presented below.
Udemy’s consumer marketplace has attracted 69 million learners in over 180 countries who are looking for the knowledge and skills they need to attain in-demand jobs, further their career, and improve their well-being.
Udemy’s consumer marketplace has attracted nearly 77 million learners in over 180 countries who are looking for the knowledge and skills they need to attain in-demand jobs, further their career, and improve their well-being.
Under our operating leases, as noted in the consolidated financial statements included in Part II, Item 8, "Financial Statements and Supplementary Data", Note 6 – Leases, we have a current obligation of $5.8 million and a long-term obligation of $1.1 million.
Under our operating leases, as noted in the consolidated financial statements included in Part II, Item 8, "Financial Statements and Supplementary Data", Note 6 – Leases, we have a current obligation of $2.5 million and a long-term obligation of $8.3 million.
Restricted cash totaled $4.0 million and consists of cash deposited with financial institutions held as collateral for our obligations under various facility leases. Marketable securities are comprised of investments in U.S. government securities with an original maturity greater than 90 days at the date of purchase.
Restricted cash totaled $1.2 million and consists of cash deposited with financial institutions held as collateral for our obligations under various facility leases. Marketable securities are comprised of investments in U.S. government securities with an original maturity greater than 90 days at the date of purchase.
A discussion regarding our financial condition and results of operations for the fiscal year ended December 31, 2022 compared to the fiscal year ended December 31, 2021 can be found in “Management's Discussion and Analysis of Financial Condition and Results of Operations” in our prior year Form 10-K, which was filed with the SEC on February 27, 2023.
A discussion regarding our financial condition and results of operations for the fiscal year ended December 31, 2023 compared to the fiscal year ended December 31, 2022 can be found in “Management's Discussion and Analysis of Financial Condition and Results of Operations” in our prior year Form 10-K, which was filed with the SEC on February 26, 2024.
Cost of revenue also includes payment and mobile processing fees, costs associated with hosting digital content, employee related expenses for our customer support organization, including salaries, benefits, stock-based compensation, facilities and other expenses, depreciation of network equipment, amortization of capitalized software, amortization of vendor relationships and developed technologies acquired through business combinations, and the portion of fees paid to certain reseller partners attributable to their providing customer support services to UB customers.
Cost of revenue also includes payment and mobile processing fees, costs associated with hosting digital content, employee related expenses for our customer support organization, including salaries, benefits, stock-based compensation, facilities and other expenses, depreciation of network equipment, amortization of capitalized software, amortization of vendor relationship and developed technology intangible assets acquired through business combinations, and the portion of fees paid to certain reseller partners attributable to their providing customer support services to UB customers.
Income tax expense for the fiscal years ended December 31, 2023 and 2022, was primarily comprised of foreign and state taxes.
Income tax expense for the fiscal years ended December 31, 2024 and 2023, was primarily comprised of foreign and state taxes.
Segment gross profit excludes amortization of capitalized software, amortization of intangible assets, depreciation, and stock-based compensation allocated to cost of revenue as our chief operating decision maker does not include the information in his measurement of the performance of the operating segments.
Segment adjusted gross profit excludes amortization of capitalized software, depreciation, stock-based compensation, and amortization of intangible assets included in cost of revenue as our chief operating decision maker does not include the information in his measurement of the performance of the operating segments.
December 31, 2023 2022 2021 (in thousands) Udemy Business annual recurring revenue $ 465,997 $ 371,727 $ 239,257 Udemy Business Net Dollar Retention Rate and Udemy Business Large Customer Net Dollar Retention Rate We disclose UB Net Dollar Retention Rate, or UB NDRR, as a measure of revenue growth for all UB customers within our Enterprise segment, including UB Large Customers, which we define as companies with at least 1,000 employees.
December 31, 2024 2023 2022 (in thousands) Udemy Business annual recurring revenue $ 516,945 $ 465,997 $ 371,727 Udemy Business Net Dollar Retention Rate and Udemy Business Large Customer Net Dollar Retention Rate We disclose UB Net Dollar Retention Rate, or UB NDRR, as a measure of revenue growth for all UB customers within our Enterprise segment, including UB Large Customers, which we define as companies with at least 1,000 employees.
We define adjusted EBITDA as net loss attributable to common stockholders, adjusted to exclude: • interest income; • interest expense; • provision for income taxes; • depreciation and amortization; • stock-based compensation expense; • other expense (income), net; and • restructuring charges.
We define adjusted EBITDA as net loss, adjusted to exclude: • interest income; • interest expense; • provision for income taxes; • depreciation and amortization; • stock-based compensation expense; • other expense, net; and • restructuring charges.
Overview Our mission is to improve lives through learning. We believe traditional education and training methods are fast becoming outdated. Technological advancements and novel industries have significantly altered the types of skills required of workers, and lifelong training and continuous skills acquisition are becoming the norm.
Overview Our mission is to transform lives through learning. We believe traditional skills development and validation methods are fast becoming outdated. Technological advancements and novel industries have significantly altered the types of skills required of workers, and lifelong training and continuous skills acquisition are becoming the norm.
We presently expect that revenue from our Enterprise segment will continue to grow faster than our Consumer segment, which will be beneficial to our overall margins. 49 Table of Contents Ability to expand our international footprint We currently generate a significant portion of our revenue outside North America.
We presently expect that revenue from our Enterprise segment will continue to grow faster than our Consumer segment, which will be beneficial to our overall margins. 55 Table of Contents Ability to expand our international footprint We currently generate a majority of our revenue outside North America.
Segment gross profit is defined as segment revenue less segment cost of revenue, which include content costs, hosting and platform costs, customer support services, and payment processing fees that are allocable to each segment.
Segment adjusted gross profit is defined as segment revenue less segment adjusted cost of revenue. Segment adjusted cost of revenue includes content costs, customer support services, hosting and platform costs, and payment processing fees that are allocable to each segment.
We offer a single, combined performance obligation, which is the customer’s access to the online content on the Udemy platform, representing a series of distinct services as we continually fulfill our stand-ready obligation to provide the customer access to the online licensed content with the functionality of the Udemy platform.
For our single course and subscription product offerings, we offer a single, combined performance obligation, which is the customer’s access to the online content on the Udemy platform, representing a series of distinct services as we continually fulfill our stand-ready obligation to provide the customer access to the online licensed content with the functionality of the Udemy platform.
The increase in UB customers is primarily attributable to the continued pursuit of our global land and expand strategy. 57 Table of Contents December 31, 2023 2022 2021 Udemy Business customers 15,726 13,920 10,515 Udemy Business Annual Recurring Revenue We disclose our UB Annual Recurring Revenue (“ARR”) as a measure of our Enterprise revenue growth.
The increase in UB customers is primarily attributable to the continued pursuit of our global land-and-expand strategy. December 31, 2024 2023 2022 Udemy Business customers 17,096 15,726 13,920 63 Table of Contents Udemy Business Annual Recurring Revenue We disclose our UB Annual Recurring Revenue (“ARR”) as a measure of our Enterprise revenue growth.
Cost of revenue Cost of revenue primarily consists of content costs, which are the payments to our instructors. Content costs are driven by the means by which we acquired the learner consuming the content. For courses offered on Udemy’s consumer marketplace, instructors earn a specific percentage of the net sale amount when a learner purchases the instructor’s course.
Content costs are driven by the means by which we acquired the learner consuming the content. For courses offered on Udemy’s consumer marketplace, instructors earn a specific percentage of the net sale amount when a learner purchases the instructor’s course.
General and administrative Our general and administrative expenses consist primarily of personnel-related costs, including stock-based compensation, costs related to our executive, legal, finance, and human resources departments, as well as charges for indirect tax reserves, allowance for credit losses, professional fees, and other corporate expenses. We expect general and administrative expenses to increase in absolute dollars as our business grows.
General and administrative Our general and administrative expenses consist primarily of personnel-related costs, including stock-based compensation, costs related to our executive, legal, finance, and human resources departments, as well as charges for indirect tax reserves, allowance for credit losses, professional fees, and other corporate expenses.
The following table summarizes our cash flows for the periods indicated (in thousands): Fiscal Year Ended December 31, 2023 2022 2021 Net cash provided by (used in): Operating activities $ (2,005) $ (60,957) $ (7,104) Investing activities (24,972) (173,227) (52,693) Financing activities 19,195 14,755 418,634 Effect of foreign exchange rates on cash flows 20 (25) — Net increase (decrease) in cash, cash equivalents and restricted cash $ (7,762) $ (219,454) $ 358,837 Operating activities Cash used in operating activities mainly consists of our net loss adjusted for certain non-cash items, including stock-based compensation, depreciation and amortization, amortization of deferred sales commissions, as well as the effect of changes in operating assets and liabilities during each period.
The following table summarizes our cash flows for the periods indicated (in thousands): Fiscal Year Ended December 31, 2024 2023 2022 Net cash provided by (used in): Operating activities $ 53,043 $ (2,005) $ (60,957) Investing activities 1,077 (24,972) (173,227) Financing activities (171,749) 19,195 14,755 Effect of foreign exchange rates on cash flows (116) 20 (25) Net decrease in cash, cash equivalents and restricted cash $ (117,745) $ (7,762) $ (219,454) Operating activities Cash used in operating activities mainly consists of our net loss adjusted for certain non-cash items, including stock-based compensation, depreciation and amortization, amortization of deferred sales commissions, as well as the effect of changes in operating assets and liabilities during each period.
As consumer course content revenue is recognized ratably over an estimated service period of four months, consumer gross margins are lower in the period of purchase, and higher in the remaining periods of the estimated service period over which revenue is recognized.
For consumer single course purchases, content costs are incurred at the time of purchase. As consumer course content revenue is recognized ratably over an estimated service period of four months, consumer gross margins are lower in the period of purchase, and higher in the remaining periods of the estimated service period over which revenue is recognized.
Content costs for the Enterprise and Consumer segments were $95.8 million and $113.7 million for the fiscal year ended December 31, 2023, respectively, compared to $73.7 million and $118.8 million for the same period in the prior year, respectively.
Content costs for the Enterprise and Consumer segments were $89.6 million and $102.7 million for the fiscal year ended December 31, 2024, respectively, compared to $95.8 million and $113.7 million for the same period in the prior year, respectively.
Sales and marketing expenses for the fiscal year ended December 31, 2023 were $316.7 million, compared to $301.3 million for the same period in the prior year.
Sales and marketing expenses for the fiscal year ended December 31, 2024 were $342.9 million, compared to $316.7 million for the same period in the prior year.
Financing activities For the fiscal year ended December 31, 2023, net cash provided by financing activities was $19.2 million, driven by proceeds from issuance of common stock via stock option exercises of $17.9 million and issuances of common stock under our employee stock purchase plan of $8.0 million, which was offset by $6.8 million in taxes paid related to net share settlement of employee equity awards.
For the fiscal year ended December 31, 2023, net cash provided by financing activities was $19.2 million, primarily driven by proceeds from issuance of common stock via stock option exercises of $17.9 million and proceeds from issuances of common stock under our employee stock purchase plan of $8.0 million.
ARR represents the annualized value of our UB customer contracts on the last day of a given period. Only revenue from closed UB contracts with active seats as of the last day of the period are included.
ARR represents the annualized value of our UB customer contracts on the last day of a given period. Only revenue from closed UB contracts with active seats as of the last day of the period are included. The increase in UB ARR was primarily driven by an increase in the number of UB customers.
Our primary use of cash from operating activities are for personnel-related expenses, instructor payments, advertising expenses, indirect taxes, and third-party cloud infrastructure expenses. 62 Table of Contents For the fiscal year ended December 31, 2023, cash used in operating activities was $2.0 million, primarily consisting of our net loss of $107.3 million, adjusted for non-cash charges of $171.8 million and net cash outflows of $66.5 million provided by changes in our operating assets and liabilities.
Our primary use of cash from operating activities are for personnel-related expenses, instructor payments, advertising and marketing expenses, indirect taxes, and third-party cloud infrastructure expenses. 68 Table of Contents For the fiscal year ended December 31, 2024, cash provided by operating activities was $53.0 million, primarily consisting of our net loss of $85.3 million, adjusted for non-cash charges of $185.7 million and net cash outflows of $47.4 million provided by changes in our operating assets and liabilities.
Income tax provision Fiscal Year Ended December 31, Change 2023 2022 $ % (in thousands, except percentages) Income tax provision $ (3,653) $ (2,286) $ (1,367) 60 % For the fiscal year ended December 31, 2023, we recognized income tax expense of $3.7 million, compared to $2.3 million for the same period in the prior year.
Income tax provision Fiscal Year Ended December 31, Change 2024 2023 $ % (in thousands, except percentages) Income tax provision $ (4,350) $ (3,653) $ (697) 19 % For the fiscal year ended December 31, 2024, we recognized income tax expense of $4.4 million, compared to $3.7 million for the same period in the prior year.
We define adjusted EBITDA margin as adjusted EBITDA divided by revenue for the same period. 60 Table of Contents The following table provides a reconciliation of net loss attributable to common stockholders, the most directly comparable GAAP financial measure, to adjusted EBITDA (in thousands): Fiscal Year Ended December 31, 2023 2022 2021 Net loss attributable to common stockholders $ (107,294) $ (153,875) $ (80,026) Adjusted to exclude the following: Interest income (20,670) (5,548) (204) Interest expense 518 1,251 220 Income tax provision 3,653 2,286 1,183 Depreciation and amortization 24,588 21,216 15,297 Stock-based compensation expense 94,838 81,293 34,680 Other expense, net 1,898 4,696 920 Restructuring charges 10,263 — — Adjusted EBITDA $ 7,794 $ (48,681) $ (27,930) The following table provides a reconciliation of net loss margin, the most directly comparable GAAP financial measure, to adjusted EBITDA margin (in thousands, except percentages): Fiscal Year Ended December 31, 2023 2022 2021 Revenue $ 728,937 $ 629,097 $ 515,657 Net loss attributable to common stockholders $ (107,294) $ (153,875) $ (80,026) Net loss margin (15) % (24) % (16) % Revenue $ 728,937 $ 629,097 $ 515,657 Adjusted EBITDA $ 7,794 $ (48,681) $ (27,930) Adjusted EBITDA margin 1 % (8) % (5) % Net loss attributable to common stockholders decreased by $46.6 million in the fiscal year ended December 31, 2023, compared to the same period in the prior year.
We define adjusted EBITDA margin as adjusted EBITDA divided by revenue for the same period. 66 Table of Contents The following table provides a reconciliation of net loss, the most directly comparable GAAP financial measure, to adjusted EBITDA (in thousands): Fiscal Year Ended December 31, 2024 2023 2022 Net loss $ (85,288) $ (107,294) $ (153,875) Adjusted to exclude the following: Interest income (19,666) (20,670) (5,548) Interest expense (379) 518 1,251 Income tax provision 4,350 3,653 2,286 Depreciation and amortization 25,421 24,588 21,216 Stock-based compensation expense 90,182 94,838 81,293 Other expense, net 11,655 1,898 4,696 Restructuring charges 16,685 10,263 — Adjusted EBITDA $ 42,960 $ 7,794 $ (48,681) The following table provides a reconciliation of net loss margin, the most directly comparable GAAP financial measure, to adjusted EBITDA margin (in thousands, except percentages): Fiscal Year Ended December 31, 2024 2023 2022 Revenue $ 786,565 $ 728,937 $ 629,097 Net loss $ (85,288) $ (107,294) $ (153,875) Net loss margin (11) % (15) % (24) % Revenue $ 786,565 $ 728,937 $ 629,097 Adjusted EBITDA $ 42,960 $ 7,794 $ (48,681) Adjusted EBITDA margin 5 % 1 % (8) % Net loss decreased by $22.0 million in the fiscal year ended December 31, 2024, compared to the same period in the prior year.
This was partially offset by an increase in revenue from consumer subscriptions as we continue to expand the offering into new markets.
These factors were partially offset by an increase in revenue recognized from consumer subscriptions as we continued to expand the offering into new markets.
Sales and marketing expenses also consist of costs incurred for hosting and customer support services related to providing our platform to free learners. We expect sales and marketing expenses to increase in absolute dollars as our business grows.
Sales and marketing expenses also consist of costs incurred for hosting and customer support services related to providing our platform to free learners.
Building upon this success, we believe a significant opportunity exists for us to acquire new UB customers and expand our existing UB customers’ use of our platform by identifying new use cases and increasing the size of existing deployments.
Historically, we have expanded from individual to department to multi-department to enterprise-wide sales as our value is proven. Building upon this success, we believe a significant opportunity exists for us to acquire new UB customers and expand our existing UB customers’ use of our platform by identifying new use cases and increasing the size of existing deployments.
We also plan to continue investing in strategic partnerships that either extend our marketing reach or the capabilities and reach of our global go-to-market sales team.
We also plan to continue investing in strategic partnerships that either extend our marketing reach or the capabilities and reach of our global go-to-market sales team. Our success in certain markets, such as Japan, depends on strategic partnerships with key resellers.
We anticipate that our operating expenses will increase as we continue to build our sales and marketing efforts, expand our course catalog, develop our immersive learning capabilities, and invest in our technology development, including investments in generative artificial intelligence.
As we continue to build our sales and marketing efforts, expand our course catalog, develop our immersive learning capabilities, execute on our operational efficiency initiatives, and invest in our technology development, including investments in generative artificial intelligence, we anticipate our operating expenses will generally decrease as a percentage of revenue over time.
The increase in revenue for the fiscal year ended December 31, 2023 was primarily driven by the growth in our Enterprise segment, which was partially offset by a decrease in Consumer revenue during the same period.
The increase in revenue for the fiscal year ended December 31, 2024 was primarily driven by an increase in revenue from our Enterprise segment while being partially offset by a decrease in revenue from our Consumer segment.
For the fiscal year ended December 31, 2022, cash used in operating activities was $61.0 million, primarily consisting of our net loss of $153.9 million, adjusted for non-cash charges of $144.6 million and net cash outflows of $51.7 million provided by changes in our operating assets and liabilities.
For the fiscal year ended December 31, 2023, cash used in operating activities was $2.0 million, primarily consisting of our net loss of $107.3 million, adjusted for non-cash charges of $171.8 million and net cash outflows of $66.5 million provided by changes in our operating assets and liabilities.
Content costs as a percentage of segment revenue for the Enterprise and Consumer segments were 23% and 37%, respectively, for the fiscal year ended December 31, 2023, and 23% and 38%, respectively, for the fiscal year ended December 31, 2022.
Segment content costs as a percentage of segment revenue for the Enterprise and Consumer segments were 18% and 35% for fiscal year ended December 31, 2024, compared to 23% and 37% for the same period in the prior year, respectively.
Personnel costs are the most significant component of our operating expenses and consist of salaries, benefits, bonuses, stock-based compensation, and commissions. Our operating expenses also include allocated costs of facilities, information technology, depreciation, and amortization. Although our operating expenses may fluctuate from period to period, we currently expect our operating expenses to increase in absolute dollars over time.
Personnel costs are the most significant component of our operating expenses and consist of salaries, benefits, bonuses, stock-based compensation, and commissions. Our operating expenses also include allocated costs of facilities, information technology, depreciation, and amortization.
These increases were partially offset by a decrease in marketing costs of $8.3 million. Research and development. Research and development expenses for the fiscal year ended December 31, 2023 were $120.3 million, compared to $104.6 million for the same period in the prior year.
These increases were partially offset by a $2.2 million decrease in stock-based compensation expense. Research and development. Research and development expenses for the fiscal year ended December 31, 2024 were $125.4 million, compared to $120.3 million for the same period in the prior year.
In addition, in connection with any future acquisitions or strategic investments, we may pursue additional funding, which could include debt, equity or equity-linked financings, or a combination of these methods. We can provide no assurance that any additional financing will be available to us on acceptable terms.
From time to time, we may explore additional financing sources, which could include equity, equity-linked or debt financing. In addition, in connection with any future acquisitions or strategic investments, we may pursue additional funding, which could include debt, equity or equity-linked financings, or a combination of these methods.
We believe that our existing cash and cash equivalents and our expected cash flows from operations will be sufficient to meet our cash needs for at least the next 12 months. 61 Table of Contents Over the long term, we plan to continue investing in the growth and development of our platform.
We believe that our existing cash and cash equivalents and our expected cash flows from operations will be sufficient to meet our cash needs for at least the next 12 months. 67 Table of Contents As discussed above, we committed to a restructuring plan in September 2024.
As such, we recognize revenue on a straight-line basis using an estimated service period for consumer single course purchases and the contractual subscription term for UB and consumer subscription customers.
As such, we recognize revenue on a straight-line basis using an estimated service period for consumer single course purchases and the contractual subscription term for UB and consumer subscription customers. Our professional services arrangements are generally offered as fixed price contracts. The revenue associated with these contracts is recognized on a proportional performance basis.
While each of these factors presents significant opportunities for us, these factors also pose challenges that we must successfully address in order to sustain the growth of our business and enhance our results of operations.
While each of these factors presents significant opportunities for us, these factors also pose challenges that we must successfully address in order to sustain the growth of our business and enhance our results of operations. 54 Table of Contents Ability to attract and engage new learners and Udemy Business customers To grow our business, we must attract new learners and UB customers efficiently and increase engagement on our platform over time.
Fiscal Year Ended December 31, 2023 2022 2021 (in thousands) Monthly average buyers 1,378 1,336 1,345 Segment revenue and segment gross profit Our revenue is generated from our UB and Consumer offerings, each of which is an individual segment of our business.
Fiscal Year Ended December 31, 2024 2023 2022 (in thousands) Monthly average buyers 1,340 1,378 1,336 Segment revenue and segment adjusted gross profit Our revenue is generated from our UB and Consumer offerings, which respectively correspond to our two operating and reportable segments, Enterprise and Consumer.
Our organic channels include those outside of our paid marketing efforts, such as a Udemy brand name internet search. Once we bring new learners onto our platform, we work to create a best-in-class experience to encourage engagement and drive learning and career outcomes.
Once we bring new learners onto our platform, we work to create a best-in-class experience to encourage engagement and drive learning and career outcomes.
We plan to reduce the instructor revenue share for our subscription offerings, which are derived as a percentage of total UB and consumer subscription revenues, from 25% today to 15% by 2026, with the first adjustment to 20% effective as of January 1, 2024. For consumer single course purchases, content costs are incurred at the time of purchase.
We are reducing the instructor revenue share for our subscription offerings, which are derived as a percentage of total UB and consumer subscription revenue, from a historical rate of 25% to 15% by 2026. The first rate adjustment to 20% was effective on January 1, 2024, and the second rate adjustment to 17.5% was effective as of January 1, 2025.
Enterprise revenue recognized from professional services was immaterial for the periods presented. Consumer revenue consists of individual course content purchases made by individual learners, as well as our consumer subscription offerings.
Enterprise revenue recognized from professional services, in which Udemy provides customers with effective support and strategic guidance to enable learners and align with business goals, was immaterial for the periods presented. 56 Table of Contents Consumer revenue consists of individual course content purchases made by individual learners, as well as our consumer subscription offerings.
Use of funds Our principal uses of cash are funding our operations, capital expenditures and working capital requirements. We have generated significant net losses from our operations as reflected in our accumulated deficit of $719.7 million as of December 31, 2023.
We can provide no assurance that any additional financing will be available to us on acceptable terms. Use of funds Our principal uses of cash are funding our operations, capital expenditures and working capital requirements. We have generated significant net losses from our operations as reflected in our accumulated deficit of $805.0 million as of December 31, 2024.
Our efforts to grow our existing relationships with our consumer learners are focused on increasing their engagement and converting free learners into buyers. New learners to our platform typically begin to engage with our free courses, which serve as a funnel to grow our total learner base and drive referrals to our paid offerings.
New learners to our platform may first engage with our free courses, which serve as a funnel to grow our total learner base and drive purchases and referrals to our paid offerings. Our efforts to grow our UB offering are focused primarily on corporate and government customers.
Impact of mix of Enterprise and Consumer segments Our mix of business among our Enterprise and Consumer segments is shifting, and this shift will continue to affect our financial performance. Enterprise segment gross margin is higher than that of Consumer, primarily driven by comparably lower content costs which are partially offset by higher customer support costs.
Impact of mix of Enterprise and Consumer segments Our mix of revenue continues to shift toward our higher-margin Enterprise segment from our Consumer segment. Our Enterprise segment’s higher gross margins are primarily driven by comparably lower content costs, though partially offset by higher customer support costs.
In addition, we expect research and development expenses as a percentage of revenue may vary from period to period depending on the timing of investments in our platform.
While research and development expenses as a percentage of revenue may vary from period to period, in part due to the timing of investments in our platform, we generally expect this percentage to decrease over the long term given our focus on operational efficiency and high-growth opportunities.
Goodwill and intangible assets We evaluate and test the recoverability of goodwill for impairment annually, during the fourth quarter, or more often if and when circumstances indicate that goodwill may not be recoverable. We also evaluate the estimated remaining useful life of intangible assets and whether events or changes in circumstances warrant a revision to the remaining period of amortization.
We also evaluate the estimated remaining useful life of intangible assets and whether events or changes in circumstances warrant a revision to the remaining period of amortization.
If our available funds are insufficient to fund these future activities or execute on our business strategies, we may raise additional capital through equity, equity-linked or debt financing, to the extent such funding sources are available. Alternatively, we may be required to reduce expenses to manage liquidity; however, any such reductions could adversely impact our business and competitive position.
Over the long term, we plan to continue investing in the growth and development of our platform. If our available funds are insufficient to fund these future activities or execute on our business strategies, we may raise additional capital through equity, equity-linked or debt financing, to the extent such funding sources are available.
For the fiscal year ended December 31, 2023, Enterprise and Consumer revenue was $420.6 million and $308.3 million, respectively, representing 58% and 42% of total revenue, respectively, compared to $314.0 million and $315.1 million, respectively, representing 50% and 50% of total revenue, respectively, for the same period in the prior year.
For the fiscal year ended December 31, 2024, Enterprise revenue was $494.5 million, or 63% of total revenue, compared to $420.6 million, or 58% of total revenue, for the same period in the prior year.
Pace of adoption of cloud-based skill development solutions Our ability to grow our learner base and drive market adoption of our platform is affected by the overall demand for cloud-based skill development solutions.
Any investments we make to facilitate our future growth, whether organically or through acquisitions or strategic partnerships, will occur in advance of the benefits from such investments. Pace of adoption of cloud-based skill development solutions Our ability to grow our learner base and drive market adoption of our platform is affected by the overall demand for cloud-based skill development solutions.
Actual results may differ from these estimates. To the extent that there are material differences between these estimates and our actual results, our future financial statements will be affected. The critical accounting policies requiring estimates, assumptions, and judgments that we believe have the most significant impact on our consolidated financial statements are described below.
We base our estimates on historical experience and on various other assumptions that we believe are reasonable under the circumstances. We evaluate our estimates and assumptions on an ongoing basis. Actual results may differ from these estimates. To the extent that there are material differences between these estimates and our actual results, our future financial statements will be affected.
The decreases in our NDRR metrics were driven by lower rates of upsells and expansion, which were negatively impacted by longer sales cycles in light of overall economic factors. 58 Table of Contents December 31, 2023 2022 2021 Udemy Business net dollar retention rate 106 % 115 % 118 % Udemy Business Large Customer net dollar retention rate 113 % 123 % 124 % Monthly average buyers A buyer is a consumer who purchases a course or subscription through our direct-to-consumer offering.
December 31, 2024 2023 2022 Udemy Business net dollar retention rate 98 % 106 % 115 % Udemy Business Large Customer net dollar retention rate 103 % 113 % 123 % 64 Table of Contents Monthly average buyers A buyer is a consumer who purchases a course or subscription through our direct-to-consumer offering.
General and administrative expenses for the fiscal year ended December 31, 2023 were $93.9 million, compared to $99.1 million for the same period in the prior year.
The $5.1 million increase was primarily due to a $3.0 million increase in software subscriptions and allocated costs and a $2.0 million increase in personnel-related expenses. General and administrative. General and administrative expenses for the fiscal year ended December 31, 2024 were $96.2 million, compared to $93.9 million for the same period in the prior year.
See Note 2 to our consolidated financial statements for a description of our other significant accounting policies. Revenue recognition We recognize revenue using the five steps outlined in Accounting Standards Codification (“ASC”) 606. We derive revenue from contracts with consumer and UB customers for access to our online learning platform and related services.
The critical accounting policies requiring estimates, assumptions, and judgments that we believe have the most significant impact on our consolidated financial statements are described below. See Note 2 to our consolidated financial statements for a description of our other significant accounting policies. Revenue recognition We recognize revenue using the five steps outlined in Accounting Standards Codification (“ASC”) Topic 606.
The increase in gross margin was primarily due to a shift in mix of revenue toward our Enterprise segment, which has comparatively lower content costs as a percentage of revenue than the Consumer segment.
The increase in gross margin was primarily due to the reduction in instructor revenue share for all subscription offerings, the continued shift in mix of revenue toward our Enterprise segment, and the decrease in customer support costs as a percentage of revenue.
Cost of revenue, gross profit and gross margin Fiscal Year Ended December 31, Change 2023 2022 $ % (in thousands, except percentages) Cost of revenue $ 309,598 $ 275,320 $ 34,278 12 % Gross profit 419,339 353,777 65,562 19 % Gross margin 58 % 56 % Cost of revenue for the fiscal year ended December 31, 2023 was $309.6 million, compared to $275.3 million for the same period in the prior year, which represents an increase of $34.3 million, or 12%.
Cost of revenue, gross profit and gross margin Fiscal Year Ended December 31, Change 2024 2023 $ % (in thousands, except percentages) Cost of revenue 294,625 309,598 $ (14,973) (5) % Gross profit 491,940 419,339 $ 72,601 17 % Gross margin 63 % 58 % Cost of revenue for the fiscal year ended December 31, 2024, was $294.6 million, compared to $309.6 million for the same period in the prior year.
For the fiscal year ended December 31, 2022, net cash used in investing activities was $173.2 million, primarily as a result of our $158.5 million purchase of marketable securities, $5.0 million purchase of strategic investments, and $14.2 million related to capitalized internal-use software costs.
Investing activities For the fiscal year ended December 31, 2024, net cash provided by investing activities was $1.1 million, primarily as a result of $352.8 million of proceeds received from the maturity of marketable securities, which was partially offset by $336.9 million in purchases of marketable securities and $12.5 million related to capitalized internal-use software costs.
Revenue from single course purchases is recognized ratably over the estimated service period, which is four months from the date of enrollment, while revenue from consumer subscriptions is recognized ratably over the contractual subscription term. 50 Table of Contents We are the principal with respect to revenue generated from sales to UB and consumer customers as we control the performance obligation and are the primary obligor with respect to delivering our customers access to the course content.
We are the principal with respect to revenue generated from sales to UB and consumer customers as we control the performance obligation and are the primary obligor with respect to delivering our customers access to the course content. Cost of revenue Cost of revenue primarily consists of content costs, which are the payments to our instructors.
These changes were partially offset by a negative impact from foreign currency exchange rates. For the fiscal year ended December 31, 2023, total Consumer revenue decreased by $6.8 million, or 2%, compared to the same period in the prior year. The decrease was primarily due to a decrease in revenue from single course purchases.
For the fiscal year ended December 31, 2024, Consumer revenue was $292.1 million, or 37% of total revenue, compared to $308.3 million, or 42% of total revenue, for the same period in the prior year. The $16.2 million, or 5%, decrease in Consumer revenue was primarily due to a decrease in revenue recognized from single course purchases.
Our network of 75,000 instructors have created over 220,000 courses in 75 languages that cover a wide range of topics, including technology, business, soft skills, and personal development. Share repurchase On February 14, 2024, our Board of Directors approved a share repurchase program (the “Repurchase Program”) with authorization to purchase up to $100 million of Udemy common stock.
Our network of over 80,000 instructors have created over 250,000 courses in 75 languages that cover a wide range of topics, including technology, business, soft skills, and personal development.
The improvement in adjusted EBITDA was driven by the growth in revenue outpacing the growth in operating expenses, excluding stock-based compensation expense and restructuring charges. Liquidity and capital resources As of December 31, 2023, our principal sources of liquidity were cash, cash equivalents and restricted cash of $309.6 million and marketable securities of $171.4 million.
The improvement in adjusted EBITDA was largely driven by the reduction in the instructor revenue share for all subscription offerings. Liquidity and capital resources As of December 31, 2024, our principal sources of liquidity were cash, cash equivalents and restricted cash of $191.8 million and marketable securities of $163.8 million.