Biggest changeThe reportable segment operational data is presented in the tables below (in thousands): Year Ended December 31, 2024 Alarm.com Other Intersegment Alarm.com Intersegment Other Total SaaS and license revenue $ 564,513 $ 66,685 $ — $ — $ 631,198 Hardware and other revenue 306,074 5,979 (2,769) (655) 308,629 Total revenue 870,587 72,664 (2,769) (655) 939,827 Cost of SaaS and license revenue 68,666 20,809 329 (292) 89,512 Cost of hardware and other revenue 234,414 5,414 (2,630) (561) 236,637 Total cost of revenue 303,080 26,223 (2,301) (853) 326,149 Selling and marketing expense 88,899 22,343 — — 111,242 General and administrative expense 101,401 7,478 — — 108,879 Research and development expense 227,559 28,319 — — 255,878 Amortization and depreciation expense 28,107 1,024 — — 29,131 Total operating expenses 445,966 59,164 — — 505,130 Operating income / (loss) $ 121,541 $ (12,723) $ (468) $ 198 $ 108,548 Assets $ 2,081,214 $ 85,468 $ (128,465) $ (9) $ 2,038,208 Reconciliation of operating income to income before income taxes Operating income $ 108,548 Interest expense (11,426) Interest income 47,359 Other (expense) / income, net (2,674) Income before income taxes $ 141,807 70 Year Ended December 31, 2023 Alarm.com Other Intersegment Alarm.com Intersegment Other Total SaaS and license revenue $ 514,673 $ 54,527 $ — $ — $ 569,200 Hardware and other revenue 309,778 6,501 (3,201) (596) 312,482 Total revenue 824,451 61,028 (3,201) (596) 881,682 Cost of SaaS and license revenue 71,639 17,852 (2,967) (626) 85,898 Cost of hardware and other revenue 237,660 5,760 (3,771) (388) 239,261 Total cost of revenue 309,299 23,612 (6,738) (1,014) 325,159 Selling and marketing expense 82,672 17,554 — — 100,226 General and administrative expense 107,475 5,935 (480) — 112,930 Research and development expense 220,106 25,008 — — 245,114 Amortization and depreciation expense 30,337 1,087 — — 31,424 Total operating expenses 440,590 49,584 (480) — 489,694 Operating income / (loss) $ 74,562 $ (12,168) $ 4,017 $ 418 $ 66,829 Assets $ 1,477,674 $ 73,621 $ (111,725) $ (7) $ 1,439,563 Reconciliation of operating income to income before income taxes Operating income $ 66,829 Interest expense (3,429) Interest income 29,801 Other (expense) / income, net 4,624 Income before income taxes $ 97,825 Year Ended December 31, 2022 Alarm.com Other Intersegment Alarm.com Intersegment Other Total SaaS and license revenue $ 478,134 $ 42,243 $ — $ — $ 520,377 Hardware and other revenue 317,937 9,097 (4,067) (785) 322,182 Total revenue 796,071 51,340 (4,067) (785) 842,559 Cost of SaaS and license revenue 59,725 14,172 415 (415) 73,897 Cost of hardware and other revenue 265,828 7,776 (4,419) (501) 268,684 Total cost of revenue 325,553 21,948 (4,004) (916) 342,581 Selling and marketing expense 76,927 15,821 — — 92,748 General and administrative expense 99,081 8,087 (480) — 106,688 Research and development expense 198,127 20,508 — — 218,635 Amortization and depreciation expense 29,639 1,231 — — 30,870 Total operating expenses 403,774 45,647 (480) — 448,941 Operating income / (loss) $ 66,744 $ (16,255) $ 417 $ 131 $ 51,037 Reconciliation of operating income to income before income taxes Operating income $ 51,037 Interest expense (3,144) Interest income 8,759 Other (expense) / income, net (59) Income before income taxes $ 56,593 71 Our SaaS and license revenue for the Alarm.com segment included software license revenue of $20.3 million, $23.2 million and $26.8 million for the years ended December 31, 2024, 2023 and 2022, respectively.
Biggest changeThe reportable segment operational data is presented in the tables below (in thousands): Year Ended December 31, 2025 Alarm.com Other Intersegment Alarm.com Intersegment Other Total SaaS and license revenue $ 605,261 $ 84,136 $ — $ — $ 689,397 Hardware and other revenue 314,389 11,599 (2,928) (1,270) 321,790 Total revenue 919,650 95,735 (2,928) (1,270) 1,011,187 Cost of SaaS and license revenue 69,986 26,214 354 (354) 96,200 Cost of hardware and other revenue 239,561 10,871 (2,871) (1,466) 246,095 Total cost of revenue 309,547 37,085 (2,517) (1,820) 342,295 Selling and marketing expense 98,039 25,749 — — 123,788 General and administrative expense 102,647 7,771 — — 110,418 Research and development expense 238,925 31,304 — — 270,229 Amortization and depreciation expense 28,813 2,006 — — 30,819 Total operating expenses 468,424 66,830 — — 535,254 Operating income / (loss) $ 141,679 $ (8,180) $ (411) $ 550 $ 133,638 Total assets $ 2,181,210 $ 190,095 $ (234,681) $ (33) $ 2,136,591 Reconciliation of operating income to income before income taxes Operating income $ 133,638 Interest expense (17,294) Interest income 45,617 Other income / (expense), net 4,645 Income before income taxes $ 166,606 70 Year Ended December 31, 2024 Alarm.com Other Intersegment Alarm.com Intersegment Other Total SaaS and license revenue $ 564,513 $ 66,685 $ — $ — $ 631,198 Hardware and other revenue 306,074 5,979 (2,769) (655) 308,629 Total revenue 870,587 72,664 (2,769) (655) 939,827 Cost of SaaS and license revenue 68,666 20,809 329 (292) 89,512 Cost of hardware and other revenue 234,414 5,414 (2,630) (561) 236,637 Total cost of revenue 303,080 26,223 (2,301) (853) 326,149 Selling and marketing expense 88,899 22,343 — — 111,242 General and administrative expense 101,401 7,478 — — 108,879 Research and development expense 227,559 28,319 — — 255,878 Amortization and depreciation expense 28,107 1,024 — — 29,131 Total operating expenses 445,966 59,164 — — 505,130 Operating income / (loss) $ 121,541 $ (12,723) $ (468) $ 198 $ 108,548 Total assets $ 2,081,214 $ 85,468 $ (128,465) $ (9) $ 2,038,208 Reconciliation of operating income to income before income taxes Operating income $ 108,548 Interest expense (11,426) Interest income 47,359 Other income / (expense), net (2,807) Income before income taxes $ 141,674 Year Ended December 31, 2023 Alarm.com Other Intersegment Alarm.com Intersegment Other Total SaaS and license revenue $ 514,673 $ 54,527 $ — $ — $ 569,200 Hardware and other revenue 309,778 6,501 (3,201) (596) 312,482 Total revenue 824,451 61,028 (3,201) (596) 881,682 Cost of SaaS and license revenue 71,639 17,852 (2,967) (626) 85,898 Cost of hardware and other revenue 237,660 5,760 (3,771) (388) 239,261 Total cost of revenue 309,299 23,612 (6,738) (1,014) 325,159 Selling and marketing expense 82,672 17,554 — — 100,226 General and administrative expense 107,475 5,935 (480) — 112,930 Research and development expense 220,106 25,008 — — 245,114 Amortization and depreciation expense 30,337 1,087 — — 31,424 Total operating expenses 440,590 49,584 (480) — 489,694 Operating income / (loss) $ 74,562 $ (12,168) $ 4,017 $ 418 $ 66,829 Reconciliation of operating income to income before income taxes Operating income $ 66,829 Interest expense (3,429) Interest income 29,801 Other income / (expense), net 4,624 Income before income taxes $ 97,825 71 Our SaaS and license revenue for the Alarm.com segment included software license revenue of $17.7 million, $20.3 million and $23.2 million for the years ended December 31, 2025, 2024 and 2023, respectively.
If triggering events arise in the future that require changes in the underlying assumptions used in our assessment of our goodwill, and, should those changes be significant, they could have a material impact on our goodwill and potentially our other (expense) / income, net, if those significant changes result in an impairment.
If triggering events arise in the future that require changes in the underlying assumptions used in our assessment of our goodwill, and, should those changes be significant, they could have a material impact on our goodwill and potentially our other income / (expense), net, if those significant changes result in an impairment.
In addition, following certain corporate events that occur prior to the maturity date of the 2026 Notes or if we deliver a notice of redemption in respect of the 2026 Notes, we will, under certain circumstances, increase the conversion rate of the 2026 Notes for a holder who elects to convert its 2026 Notes (or any portion thereof) in connection with such a corporate event or convert its 2026 Notes called (or deemed called) for redemption during the related redemption period (as defined in the Indenture), as the case may be.
In addition, following certain corporate events that occur prior to the maturity date of the 2026 Notes or if we deliver a notice of redemption in respect of the 2026 Notes, we will, under certain circumstances, increase the conversion rate of the 2026 Notes for a holder who elects to convert its 2026 Notes (or any portion thereof) in connection with such a corporate event or convert its 2026 Notes called (or deemed called) for redemption during the related redemption period (as defined in the 2026 Indenture), as the case may be.
We may redeem for cash, all or any portion of the 2029 Notes (subject to the partial redemption limitation described below), at our option, on or after June 7, 2027, at a redemption price equal to 100% of the principal amount of the 2029 Notes to be redeemed, plus accrued and unpaid interest, if any, to, but excluding, the redemption date, if the last reported sale price of our common stock has been at least 130% of the conversion price for the 2029 Notes then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period (including the last trading day of such period) ending 76 on, and including, the trading day immediately preceding the date on which we provide notice of redemption.
We may redeem for cash, all or any portion of the 2029 Notes (subject to the partial redemption limitation described below), at our option, on or after June 7, 2027, at a redemption price equal to 100% of the principal amount of the 2029 Notes to be redeemed, plus accrued and unpaid interest, if any, to, but excluding, the redemption date, if the last reported sale price of our common stock has been at least 130% of the conversion price for the 2029 Notes then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period (including the last trading day of such period) ending on, and including, the trading day immediately preceding the date on which we provide notice of redemption.
The 2026 Notes are discussed in more detail above under “Convertible Senior Notes - 2026.” 77 On May 31, 2024, we issued $500.0 million aggregate principal amount of 2.25% convertible senior notes due June 1, 2029, in a private placement to qualified institutional buyers and received proceeds of $485.2 million, net of $14.8 million of transaction fees and other debt issuance costs.
The 2026 Notes are discussed in more detail above under “Convertible Senior Notes - 2026.” On May 31, 2024, we issued $500.0 million aggregate principal amount of 2.25% convertible senior notes due June 1, 2029, in a private placement to qualified institutional buyers and received proceeds of $485.2 million, net of $14.8 million of transaction fees and other debt issuance costs.
Some of these limitations are: (a) although amortization and depreciation are non-cash charges, the assets being amortized and depreciated may have to be replaced in the future, and non-GAAP adjusted EBITDA does not reflect cash capital expenditure requirements for such replacements or for new capital expenditure requirements; (b) non-GAAP adjusted EBITDA does not reflect changes in, or cash requirements for, our working capital needs; (c) non-GAAP adjusted EBITDA does not reflect the potentially dilutive impact of equity-based compensation; (d) non-GAAP adjusted EBITDA does not reflect tax payments that may represent a reduction in cash available to us; and (e) other companies, including companies in our industry, may calculate non-GAAP adjusted EBITDA or similarly titled measures differently, which reduces its usefulness as a comparative measure. 80 Because of these and other limitations, you should consider non-GAAP adjusted EBITDA alongside our other GAAP-based financial performance measures, net income and our other GAAP financial results.
Some of these limitations are: (a) although amortization and depreciation are non-cash charges, the assets being amortized and depreciated may have to be replaced in the future, and non-GAAP adjusted EBITDA does not reflect cash capital expenditure requirements for such replacements or for new capital expenditure requirements; (b) non-GAAP adjusted EBITDA does not reflect changes in, or cash requirements for, our working capital needs; (c) non-GAAP adjusted EBITDA does not reflect the potentially dilutive impact of equity-based compensation; (d) non-GAAP adjusted EBITDA does not reflect tax payments that may represent a reduction in cash available to us; and (e) other companies, including companies in our industry, may calculate non-GAAP adjusted EBITDA or similarly titled measures differently, which reduces its usefulness as a comparative measure. 81 Because of these and other limitations, you should consider non-GAAP adjusted EBITDA alongside our other GAAP-based financial performance measures, net income and our other GAAP financial results.
Sales and marketing expense consists primarily of personnel and related expenses for our sales and marketing teams, including salaries, bonuses, stock-based compensation, benefits, travel, and commissions. Our 63 sales and marketing teams engage in sales, account management, service provider partner support, advertising, promotion of our products and services and marketing.
Sales and marketing expense consists primarily of personnel and related expenses for our sales and marketing teams, including salaries, bonuses, stock-based compensation, benefits, travel, and commissions. Our sales and marketing teams engage in sales, account management, service provider partner support, advertising, promotion of our products and services and marketing.
The 2029 Notes will be convertible at the option of the holders at any time prior to the close of business on the business day immediately preceding January 1, 2029, only under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on September 30, 2024 (and only during such calendar quarter), if the last reported sale price of our common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price for the 2029 Notes on each applicable trading day; (2) during the five business day period immediately after any ten consecutive trading day period in which, for each trading day of that period, the trading price per $1,000 principal amount of 2029 Notes for such trading day was less than 98% of the product of the last reported sale price of our common stock and the conversion rate for the 2029 Notes on each such trading day; (3) if we call any or all of the 2029 Notes for redemption, at any time prior to the close of business on the scheduled trading day immediately preceding the redemption date, but only with respect to the 2029 Notes called (or deemed called) for redemption; or (4) upon the occurrence of specified corporate events as set forth in the 2029 Indenture.
The 2029 Notes will be convertible at the option of the holders at any time prior to the close of business on the business day immediately preceding January 1, 2029, only under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on September 30, 2024 (and only during such calendar quarter), if the last reported sale price of our common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days 77 ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price for the 2029 Notes on each applicable trading day; (2) during the five business day period immediately after any 10 consecutive trading day period in which, for each trading day of that period, the trading price per $1,000 principal amount of 2029 Notes for such trading day was less than 98% of the product of the last reported sale price of our common stock and the conversion rate for the 2029 Notes on each such trading day; (3) if we call any or all of the 2029 Notes for redemption, at any time prior to the close of business on the scheduled trading day immediately preceding the redemption date, but only with respect to the 2029 Notes called (or deemed called) for redemption; or (4) upon the occurrence of specified corporate events as set forth in the 2029 Indenture.
The 2026 Notes will be convertible at the option of the holders at any time prior to the close of business on the business day immediately preceding August 15, 2025, only under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on June 30, 2021 (and only during such calendar quarter), if the last reported sale price of our common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price for the 2026 Notes on each applicable trading day; (2) during the five business day period immediately after any 10 consecutive trading day period in which, for each trading day of that period, the trading price per $1,000 principal amount of 2026 Notes for such trading day was less than 98% of the product of the last reported sale price of our common stock and the conversion rate for the 2026 Notes on each such trading day; (3) if we call any or all of the 2026 Notes for redemption, at any time prior to the close of business on the scheduled trading day immediately preceding the redemption date, but only with respect to the 2026 Notes called (or deemed called) for redemption; or (4) upon the occurrence of specified corporate events as set forth in the 2026 Indenture.
The 2026 Notes were convertible at the option of the holders at any time prior to the close of business on the business day immediately preceding August 15, 2025, only under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on June 30, 2021 (and only during such calendar quarter), if the last reported sale price of our common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price for the 2026 Notes on each applicable trading day; (2) during the five business day period immediately after any 10 consecutive trading day period in which, for each trading day of that period, the trading price per $1,000 principal amount of 76 2026 Notes for such trading day was less than 98% of the product of the last reported sale price of our common stock and the conversion rate for the 2026 Notes on each such trading day; (3) if we call any or all of the 2026 Notes for redemption, at any time prior to the close of business on the scheduled trading day immediately preceding the redemption date, but only with respect to the 2026 Notes called (or deemed called) for redemption; or (4) upon the occurrence of specified corporate events as set forth in the 2026 Indenture.
We exclude interest income and certain activity within other (expense) / income, net including gains, losses or impairments on investments without readily determinable fair values and other assets, gains and losses from equity method investments, gains on settlement fees and losses on the early extinguishment of debt, when applicable, from non-GAAP adjusted EBITDA because we do not consider it part of our ongoing results of operations.
We exclude interest income and certain activity within other income / (expense), net including gains, losses or impairments on investments without readily determinable fair values and other assets, gains on settlement fees and losses on the early extinguishment of debt, when applicable, from non-GAAP adjusted EBITDA because we do not consider it part of our ongoing results of operations.
Software license revenue represented 2%, 3% and 3% of our revenue in 2024, 2023 and 2022, respectively. We also generate revenue from the sale of many types of hardware, including video cameras, video recorders, cellular radio modules, smart thermostats, image sensors, gunshot detection sensors and other peripherals, that enable our solutions.
Software license revenue represented 2%, 2% and 3% of our revenue in 2025, 2024 and 2023, respectively. We also generate revenue from the sale of many types of hardware, including video cameras, video recorders, cellular radio modules, smart thermostats, image sensors, gunshot detection sensors and other peripherals, that enable our solutions.
Non-GAAP Measures We define non-GAAP adjusted EBITDA as our net income before interest expense, interest income, certain activity within other (expense) / income, net, provision for income taxes, amortization and depreciation expense, stock-based compensation expense, acquisition-related expense, legal costs and settlement fees incurred and received in connection with non-ordinary course litigation and other disputes, particularly costs involved in ongoing intellectual property litigation.
Non-GAAP Measures We define non-GAAP adjusted EBITDA as our net income before interest expense, interest income, certain activity within other income / (expense), net, provision for income taxes, income from equity method investments, net, amortization and depreciation expense, stock-based compensation expense, acquisition-related expense, legal costs and settlement fees incurred and received in connection with non-ordinary course litigation and other disputes, particularly costs involved in ongoing intellectual property litigation.
The non-cash items include amortization and depreciation expense; amortization of debt issuance costs for the January 20, 2021 issuance of $500.0 million aggregate principal amount of 0% convertible senior notes due January 15, 2026, or the 2026 Notes, included in interest expense; amortization of debt issuance costs for the May 31, 2024 issuance of $500.0 million aggregate principal amount of 2.25% convertible senior notes due June 1, 2029, or the 2029 Notes, included in interest expense; and stock-based compensation expense related to restricted stock units and other forms of equity compensation, including, but not limited to, the sale of common stock.
The non-cash items include amortization and depreciation expense; income from equity method investments, net; amortization of debt issuance costs for the January 20, 2021 issuance of $500.0 million aggregate principal amount of 0% convertible senior notes due January 15, 2026, or the 2026 Notes, included in interest expense; amortization of debt issuance costs for the May 31, 2024 issuance of $500.0 million aggregate principal amount of 2.25% convertible senior notes due June 1, 2029, or the 2029 Notes, included in interest expense; and stock-based compensation expense related to restricted stock units and other forms of equity compensation, including, but not limited to, the sale of common stock.
The non-cash items include amortization and depreciation expense, amortization of debt issuance costs for the 2026 Notes and 2029 Notes included in interest expense, stock-based compensation expense related to restricted stock units and other forms of equity compensation, including, but not limited to, the sale of common stock.
The non-cash items include amortization and depreciation expense; income from equity method investments, net; amortization of debt issuance costs for the 2026 Notes and 2029 Notes included in interest expense; stock-based compensation expense related to restricted stock units and other forms of equity compensation, including, but not limited to, the sale of common stock.
Research and development expense from our Other segment increased by $3.3 million in 2024 as compared to 2023 primarily due to an increase in our personnel and related costs. The overall number of employees in research and development functions increased from 1,118 as of December 31, 2023 to 1,127 as of December 31, 2024.
Research and development expense from our Other segment increased by $3.0 million in 2025, as compared to 2024, primarily due to an increase in personnel and related costs. The overall number of employees in research and development functions increased from 1,127 as of December 31, 2024, to 1,150 as of December 31, 2025.
Our cloud-based platform offers an expansive suite of IoT solutions addressing global opportunities in the residential, multi-family, small business and enterprise commercial markets. Alarm.com’s solution suite includes security, video and video analytics, energy management, access control, electric utility grid management, indoor gunshot detection, water management, health and wellness, personal safety and data-rich emergency response.
Our cloud-based platform offers an expansive suite of IoT solutions addressing global opportunities in the residential, multi-family, small business, enterprise commercial and energy markets. Alarm.com’s solution suite includes security, video surveillance and video analytics, energy management, access control, electric utility grid management, active shooter detection, water management, personal safety and data-rich emergency response.
Our other business metrics may be calculated in a manner different from the way similar business metrics used by other companies are calculated and include the following (dollars in thousands): Year Ended December 31, 2024 2023 2022 SaaS and license revenue $ 631,198 $ 569,200 $ 520,377 Non-GAAP adjusted EBITDA 176,239 153,967 146,848 SaaS and license revenue renewal rate 95 % 94 % 94 % SaaS and License Revenue SaaS and license revenue is a GAAP measure that we use to measure our current performance and estimate our future performance.
Our other business metrics may be calculated in a manner different from the way similar business metrics used by other companies are calculated and include the following (dollars in thousands): Year Ended December 31, 2025 2024 2023 SaaS and license revenue $ 689,397 $ 631,198 $ 569,200 Non-GAAP adjusted EBITDA 206,005 176,239 153,967 SaaS and license revenue renewal rate 95 % 95 % 94 % 60 SaaS and License Revenue SaaS and license revenue is a GAAP measure that we use to measure our current performance and estimate our future performance.
Our Alarm.com segment represents our cloud-based and Software platforms for the intelligently connected property and related solutions that contributed 92%, 93% and 94% of our revenue, net of intersegment eliminations, for the years ended December 31, 2024, 2023 and 2022, respectively.
Our Alarm.com segment represents our cloud-based and Software platforms for intelligently connected properties and related solutions that contributed 91%, 92% and 93% of our revenue, net of intersegment eliminations, for the years ended December 31, 2025, 2024 and 2023, respectively.
(2) Operating expenses include stock-based compensation expense as follows (in thousands): 65 Year Ended December 31, 2024 2023 2022 Stock-based compensation expense data: Cost of hardware and other revenue $ 2 $ 5 $ — Sales and marketing 2,833 3,522 4,342 General and administrative 13,080 13,028 15,037 Research and development 25,327 30,728 33,275 Total stock-based compensation expense $ 41,242 $ 47,283 $ 52,654 The following table sets forth the components of cost of revenue as a percentage of revenue: Year Ended December 31, 2024 2023 2022 Components of cost of revenue as a percentage of revenue: Cost of SaaS and license revenue as a percentage of SaaS and license revenue 14 % 15 % 14 % Cost of hardware and other revenue as a percentage of hardware and other revenue 77 77 83 Total cost of revenue as a percentage of total revenue 35 % 37 % 41 % Comparison of Years Ended December 31, 2024 to December 31, 2023 The following tables in this section set forth our selected consolidated statements of operations (in thousands), data for the percentage change and data as a percentage of revenue for the years ended December 31, 2024 and 2023.
(2) Operating expenses include stock-based compensation expense as follows (in thousands): 65 Year Ended December 31, 2025 2024 2023 Stock-based compensation expense data: Cost of hardware and other revenue $ — $ 2 $ 5 Sales and marketing 2,441 2,833 3,522 General and administrative 10,474 13,080 13,028 Research and development 20,275 25,327 30,728 Total stock-based compensation expense $ 33,190 $ 41,242 $ 47,283 The following table sets forth the components of cost of revenue as a percentage of revenue: Year Ended December 31, 2025 2024 2023 Components of cost of revenue as a percentage of revenue: Cost of SaaS and license revenue as a percentage of SaaS and license revenue 14 % 14 % 15 % Cost of hardware and other revenue as a percentage of hardware and other revenue 76 77 77 Total cost of revenue as a percentage of total revenue 34 % 35 % 37 % Comparison of Years Ended December 31, 2025 to December 31, 2024 The following tables in this section set forth our selected consolidated statements of operations (in thousands), data for the percentage change and data as a percentage of revenue for the years ended December 31, 2025 and 2024.
Stock Repurchase Programs On February 15, 2023, our board of directors authorized a stock repurchase program, effective February 23, 2023, under which we were authorized to purchase up to an aggregate of $100.0 million of our outstanding common stock during the two-year period ending February 23, 2025.
On February 15, 2023, our board of directors authorized the cancellation of the balance under the stock repurchase program ending December 3, 2023, and also authorized a stock repurchase program, effective February 23, 2023, under which we were authorized to purchase up to an aggregate of $100.0 million of our outstanding common stock during the two-year period ending February 23, 2025.
We received proceeds from the issuance of the 2026 Notes of $484.3 million, net of $15.7 million of transaction fees and other debt issuance costs. 75 We may redeem for cash, all or any portion of the 2026 Notes, at our option, on or after January 20, 2024, at a redemption price equal to 100% of the principal amount of the 2026 Notes to be redeemed, plus accrued and unpaid special interest, if any, to, but excluding, the redemption date, if the last reported sale price of our common stock has been at least 130% of the conversion price for the 2026 Notes then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period (including the last trading day of such period) ending on, and including, the trading day immediately preceding the date on which we provide notice of redemption.
We may redeem for cash, all or any portion of the 2026 Notes, at our option, on or after January 20, 2024, at a redemption price equal to 100% of the principal amount of the 2026 Notes to be redeemed, plus accrued and unpaid special interest, if any, to, but excluding, the redemption date, if the last reported sale price of our common stock has been at least 130% of the conversion price for the 2026 Notes then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period (including the last trading day of such period) ending on, and including, the trading day immediately preceding the date on which we provide notice of redemption.
The full repurchase balance for this program of $100.0 million was available as of December 31, 2024. During the year ended December 31, 2024, we repurchased 1,117,068 shares of our common stock for $75.0 million concurrently with the pricing of the 2029 Notes, which was separately authorized by our board of directors.
During the year ended December 31, 2024, we repurchased 1,117,068 shares of our common stock for $75.0 million concurrently with the pricing of the 2029 Notes, which was separately authorized by our board of directors.
Qualitative factors we consider when we perform a qualitative analysis include, but are not limited to, macroeconomic conditions, industry and market conditions, company specific events, changes in circumstances and market capitalization. For our 2024 annual impairment review, we performed a qualitative assessment for our Alarm.com reporting unit, our only reporting unit with a goodwill balance.
Qualitative factors we consider when we perform a qualitative analysis include, but are not limited to, macroeconomic conditions, industry and market conditions, company specific events, changes in circumstances and market capitalization. For our 2025 annual impairment review, we performed a qualitative assessment for our Alarm.com and Other reporting units.
Upon conversion, we may satisfy our conversion obligation by paying or delivering, as the case may be, cash, shares of our common stock or a combination of cash and shares of our common stock, at our election. It is our current intent to settle the principal amount of the 2026 Notes with cash.
Upon conversion, prior to August 15, 2025, we had the ability to satisfy our conversion obligation by paying or delivering, as the case may be, cash, shares of our common stock or a combination of cash and shares of our common stock, at our election. It was our intent to settle the principal amount of the 2026 Notes with cash.
Sales and Marketing Expense Year Ended December 31, % Change 2024 2023 2024 vs. 2023 Sales and marketing $ 111,242 $ 100,226 11 % % of total revenue 12 % 11 % The $11.0 million increase in sales and marketing expense in 2024 as compared to 2023 was primarily due to a $3.7 million increase in personnel and related costs for our Alarm.com segment, attributable in part to increases in the headcount for our sales team to support our growth, and a $3.5 million increase in marketing expense for our Alarm.com segment.
Sales and Marketing Expense Year Ended December 31, % Change 2025 2024 2025 vs. 2024 Sales and marketing $ 123,788 $ 111,242 11 % % of total revenue 12 % 12 % The $12.5 million increase in sales and marketing expense in 2025, as compared to 2024, was primarily due to a $6.2 million increase in personnel and related costs for our Alarm.com segment, attributable in part to increases in the headcount for our sales team to support our growth, and a $2.4 million increase in marketing expense for our Alarm.com segment.
Our Alarm.com segment decreased from 1,776 employees as of January 1, 2024 to 1,773 employees as of December 31, 2024. Our Other segment increased from 213 employees as of January 1, 2024 to 237 employees as of December 31, 2024.
Our Alarm.com segment decreased from 1,773 employees as of January 1, 2025 to 1,768 employees as of December 31, 2025. Our Other segment increased from 237 employees as of January 1, 2025 to 290 employees as of December 31, 2025.
Historical Cash Flows The following table sets forth our cash flows for the periods indicated (in thousands): Year Ended December 31, 2024 2023 2022 Cash flows from operating activities $ 206,413 $ 135,965 $ 56,901 Cash flows used in investing activities (24,681) (25,966) (68,319) Cash flows from / (used in) financing activities 346,430 (31,865) (76,324) 78 Operating Activities Cash flows from operating activities have typically been generated from our net income and by changes in our operating assets and liabilities, particularly from accounts receivable, accounts payable and inventory, adjusted for non-cash expense items such as amortization and depreciation, deferred income taxes and stock-based compensation.
Historical Cash Flows The following table sets forth our cash flows for the periods indicated (in thousands): Year Ended December 31, 2025 2024 2023 Cash flows from operating activities $ 153,330 $ 206,413 $ 135,965 Cash flows used in investing activities (358,482) (24,681) (25,966) Cash flows (used in) / from financing activities (55,006) 346,430 (31,865) Operating Activities Cash flows from operating activities have typically been generated from our net income and by changes in our operating assets and liabilities, particularly from accounts receivable, accounts payable and inventory, adjusted for non-cash expense items such as amortization and depreciation, deferred income taxes and stock-based compensation. 79 For 2025, cash flows from operating activities were $153.3 million, compared to $206.4 million for 2024.