Biggest changeDecember 31, Operating statistics 2023 2022 2021 Active patients at period end United States 2,162 2,164 2,259 International markets: Germany 525 467 563 Japan 375 369 307 Other international 693 430 458 International markets - Total 1,593 1,266 1,328 Total 3,755 3,430 3,587 Year ended December 31, 2023 2022 2021 Prescriptions received in period United States 3,912 3,790 3,770 International markets: Germany 792 830 924 Japan 354 381 436 Other international 1,025 528 532 International markets - Total 2,171 1,739 1,892 Total 6,083 5,529 5,662 Year ended December 31, 2023 compared to year ended December 31, 2022 Year ended December 31, 2023 2022 Change % Change Net revenues $ 509,338 $ 537,840 $ (28,502) (5) % Net revenues.
Biggest changeDecember 31, Operating statistics 2024 2023 2022 CNS Lung Total CNS Lung Total CNS Lung Total Active patients at period end (1) United States 2,161 31 2,192 2,145 17 2,162 2,158 6 2,164 International markets: Germany 564 11 575 520 520 5 525 466 1 467 France 426 — 426 262 — 262 — — — Japan 420 — 420 375 — 375 369 — 369 Other international 506 7 513 431 — 431 430 — 430 International markets - Total 1,916 18 1,934 1,588 5 1,593 1,265 1 1,266 4,077 49 4,126 3,733 22 3,755 3,423 7 3,430 Year ended December 31, 2024 2023 2022 CNS Lung Total CNS Lung Total CNS Lung Total Prescriptions received in period (2) United States 3,757 80 3,837 3,863 49 3,912 3,758 32 3,790 International markets: Germany 789 57 846 763 29 792 829 1 830 France 727 — 727 450 — 450 — — — Japan 407 — 407 354 — 354 381 — 381 Other international 640 15 655 575 — 575 528 — 528 International markets - Total 2,563 72 2,635 2,142 29 2,171 1,738 1 1,739 6,320 152 6,472 6,005 78 6,083 5,496 33 5,529 (1) Lung includes both active patients in NSCLC and MPM.
We also have a CE certificate to market Optune Gio for the treatment of GBM in the 61 European Union ("EU"), as well as approval or local registration in the United Kingdom ("UK"), Japan, Canada and certain other countries.
We also have a CE certificate to market Optune Gio for the treatment of GBM in the European Union ("EU"), as well as approval or local registration in the United Kingdom ("UK"), Japan, Canada and certain other countries.
We make estimates of the useful life of our property and equipment and field equipment, based on similar assets purchased in the past and our historical experience with such similar assets, in order to determine the depreciation expense to be recorded for each reporting period.
We make estimates of the useful life of our field equipment, based on similar assets purchased in the past and our historical experience with such similar assets, in order to determine the depreciation expense to be recorded for each reporting period.
Cost of revenues per active patient is calculated by dividing the cost of revenues for the year less product sales to Zai for the year by the average of the active patients at the end of the each quarter in the current year and the end 57 of the year active patients from the prior year.
Cost of revenues per active patient is calculated by dividing the cost of revenues for the year less product sales to Zai for the year by the average of the active patients at the end of the each quarter in the current year and the end of the year active patients from the prior year.
Financial expenses, net Financial expenses, net, primarily consists of bank fees, credit facility interest expense and related debt issuance costs, interest income from cash balances and short-term investments and gains (losses) from foreign currency 53 transactions. Our reporting currency is the U.S. dollar.
Financial expenses, net Financial expenses, net, primarily consists of bank fees, credit facility interest expense and related debt issuance costs, interest income from cash balances and short-term investments and gains (losses) from foreign currency 51 transactions. Our reporting currency is the U.S. dollar.
We believe our cash, cash equivalents and short-term investments as of December 31, 2023 are sufficient for our operations for at least the next 12 months based on our existing business plan and our ability to control the timing of significant expense commitments.
We believe our cash, cash equivalents and short-term investments as of December 31, 2024 are sufficient for our operations for at least the next 12 months based on our existing business plan and our ability to control the timing of significant expense commitments.
We anticipate expanding our clinical pipeline over time to study the safety and efficacy of TTFields therapy for additional solid tumor indications and combinations with other cancer treatment modalities. . The table below presents the current status of the ongoing clinical trials in our pipeline and anticipated timing of data.
We anticipate expanding our clinical pipeline over time to study the safety and efficacy of TTFields therapy for additional solid tumor indications and for use together with other cancer treatment modalities. The table below presents the current status of the ongoing clinical trials in our pipeline and anticipated timing of data.
For additional information, see Note 15 to the Consolidated Financial Statements. Long-lived assets Property and equipment and field equipment are stated at cost, net of accumulated depreciation. Depreciation is calculated using the straight-line method over the estimated useful life of the relevant asset.
For additional information, see Note 15 to the Consolidated Financial Statements. Long-lived assets Field equipment is stated at cost, net of accumulated depreciation. Depreciation is calculated using the straight-line method over the estimated useful life of the relevant asset.
So long as our ordinary shares are publicly traded in a liquid market, we will rely on the daily trading price of our ordinary shares when we estimate the fair value of options granted. We incurred share-based compensation expense of $115.6 million, $107.0 million and $94.9 million during the years ended December 31, 2023, 2022 and 2021, respectively.
So long as our ordinary shares are publicly traded in a liquid market, we will rely on the daily trading price of our ordinary shares when we estimate the fair value of options granted. We incurred share-based compensation expense of $160.0 million, $115.6 million and $107.0 million during the years ended December 31, 2024, 2023 and 2022, respectively.
For additional information, see Note 14 to the Consolidated Financial Statements. 55 Results of operations The following discussion provides an analysis of our results of operations and reasons for material changes therein for 2023 as compared to 2022.
For additional information, see Note 14 to the Consolidated Financial Statements. Results of operations The following discussion provides an analysis of our results of operations and reasons for material changes therein for 2024 as compared to 2023.
Upcoming use of cash in operations will include payments in the normal course of business of $43.1 million in purchase obligations with certain of our suppliers, primarily for the purchase of Product components along with other commitments to purchase goods or services. These amounts include approximately $34.5 million of commitments with three major suppliers.
Upcoming use of cash in operations will include payments in the normal course of business of $47.1 million in purchase obligations with certain of our suppliers, primarily for the purchase of Product components along with other commitments to purchase goods or services. These amounts include approximately $33.1 million of commitments with three major suppliers.
Financing activities To date, our primary financing activities have been the sale of equity and the proceeds from long-term loans. Net cash provided by financing activities was $15.8 million for the year ended December 31, 2023 compared to $15.5 million for the year ended December 31, 2022.
Financing activities To date, our primary financing activities have been the sale of equity and the proceeds from long-term loans. Net cash provided by financing activities was $90.3 million for the year ended December 31, 2024 compared to $15.8 million for the year ended December 31, 2023.
Our key priorities are to drive commercial adoption of Optune Gio ® and Optune Lua ® , our commercial TTFields therapy devices, and to advance clinical and product development programs intended to extend overall survival in some of the most aggressive forms of cancer. Optune Gio is approved by the U.S.
Our key priorities are to drive commercial adoption of Optune Gio ® and Optune Lua ® , our commercial TTFields therapy devices, and to advance clinical and product development programs intended to extend overall survival in some of the most aggressive forms of cancer.
As of December 31, 2023, we have unrecognized compensation expense of $98.6 million, which is expected to be recognized over a weighted average period of approximately 1.64 years. We expect to continue to grant equity awards in the future, and to the extent that we do, our recognized share-based compensation expense will likely increase.
As of December 31, 2024, we have unrecognized compensation expense of $119.6 million, which is expected to be recognized over a weighted average period of 52 approximately 1.59 years. We expect to continue to grant equity awards in the future, and to the extent that we do, our recognized share-based compensation expense will likely increase.
Net cash provided by investing activities was $184.1 million for the year ended December 31, 2023 compared to net cash used in investing activities of $140.0 million for the year ended December 31, 2022.
Net cash used in investing activities was $140.2 million for the year ended December 31, 2024 compared to net cash provided by investing activities of $184.1 million for the year ended December 31, 2023.
The net cash provided by financing activities for 2022 was primarily 60 attributable to $10.3 million in proceeds from the exercise of options and $5.2 million in proceeds from the issuance of shares pursuant to the ESPP. Convertible Notes On November 5, 2020, we issued $575.0 million aggregate principal amount of 0% Convertible Senior Notes due 2025 (the “Notes”).
The net cash provided by financing activities for 2023 was primarily attributable to $11.4 million in proceeds from the exercise of options and $4.4 million in proceeds from the issuance of shares pursuant to the ESPP. Convertible Notes On November 5, 2020, we issued $575.0 million aggregate principal amount of 0% Convertible Senior Notes due 2025 (the “Notes”).
Optune Lua is approved by the FDA under the Humanitarian Device Exemption ("HDE") pathway to treat malignant pleural mesothelioma and pleural mesothelioma (together, "MPM") together with standard chemotherapies. We have also received CE certification in the EU and approval or local registration to market Optune Lua in certain other countries.
Optune Lua is also approved under the Humanitarian Device Exemption ("HDE") pathway for the treatment of adult patients with malignant pleural mesothelioma or pleural mesothelioma (together, "MPM") together with standard chemotherapies. We have also received CE certification in the EU and approval or local registration to market Optune Lua in certain other countries for the treatment of MPM.
The net cash provided by investing activities for 2023 was primarily attributable to net proceeds of $211.2 million from short-term investments, offset by $27.1 million invested in property and equipment. The net cash used in investing activities for 2022 was primary attributable to $21.4 million in property and equipment and the net purchase of $118.6 million in short-term investments.
The net cash used in investing activities for 2024 was primarily attributable to net purchase of $97.4 million from short-term investments, offset by $42.9 million invested in property and equipment. The net cash provided by investing activities for 2023 was primary attributable to $27.1 million in property and equipment and the net proceeds of $211.2 million in short-term investments.
Prescriptions are a leading indicator of demand. A "prescription received" is a commercial order for Optune Gio or Optune Lua that is received from a physician certified to treat patients with our Products for a patient not previously on Optune Gio or Optune Lua.
Prescriptions are a leading indicator of demand. A "prescription received" is a commercial order for Optune Gio or Optune Lua that is received from a physician certified to treat patients with our Products for a patient not previously on Optune Gio or Optune Lua. Orders to renew or extend treatment are not included in this total.
Research, development and clinical studies costs, including direct and allocated expenses, are expensed as incurred and consist primarily of the following: • personnel costs for those employees involved in our preclinical and basic research, clinical development programs, clinical affairs, product development and regulatory activities; • costs to conduct research, product development and clinical study activity through agreements with contract research organizations and other third parties; • manufacturing expenses associated with our Products, including durable components and disposable arrays, utilized in clinical studies and other research; • costs associated with publications, presentations and investigator-sponsored trials; • professional fees related to regulatory approvals and conformity assessment procedures; and • facilities, depreciation and other allocated expenses, which include direct and allocated expenses for rent and maintenance of facilities, depreciation of leasehold improvements and equipment and laboratory and other supplies. 52 The following table summarizes our research, development and clinical study expenses by program for the years ended December 31, 2023, 2022 and 2021: Year ended December 31, U.S. dollars in thousands 2023 2022 2021 Preclinical and basic research $ 18,936 $ 16,922 $ 15,580 Clinical development programs: LUNAR 6,846 6,905 9,069 LUNAR - 2 2,999 — — INNOVATE - 3 7,810 9,494 17,708 METIS 5,758 8,480 7,056 PANOVA - 3 18,243 22,185 15,026 TRIDENT 20,348 12,162 12,588 Other clinical studies 6,640 5,524 4,634 Clinical administration 25,363 22,690 19,764 Product development 18,219 15,323 15,248 Clinical affairs 15,935 19,891 24,486 Other research and development costs (1) 44,138 35,719 32,547 Share based compensation 31,827 30,790 27,597 Research, development and clinical studies $ 223,062 $ 206,085 $ 201,303 (1) Other research, development and clinical study costs include regulatory affairs, quality assurance, intellectual property, product safety, allocated facilities and other overhead costs.
Research, development and clinical studies costs, including direct and allocated expenses, are expensed as incurred and consist primarily of the following: • personnel costs for those employees involved in our preclinical and basic research, clinical development programs, clinical affairs, product development and regulatory activities; • costs to conduct research, product development and clinical study activity through agreements with contract research organizations and other third parties; • manufacturing expenses associated with our Products, including durable components and disposable arrays, utilized in clinical studies and other research; • costs associated with publications, presentations and investigator-sponsored trials; • professional fees related to regulatory approvals and conformity assessment procedures; and • facilities, depreciation and other allocated expenses, which include direct and allocated expenses for rent and maintenance of facilities, depreciation of leasehold improvements and equipment and laboratory and other supplies. 50 The following table summarizes our research, development and clinical study expenses by program for the years ended December 31, 2024, 2023 and 2022: Year ended December 31, U.S. dollars in thousands 2024 2023 2022 Preclinical and basic research $ 18,827 $ 18,936 $ 16,922 Clinical development programs: LUNAR 1,842 6,846 6,905 LUNAR - 2 14,645 2,999 — INNOVATE - 3 184 7,810 9,494 METIS 5,399 5,758 8,480 PANOVA - 3 9,535 18,243 22,185 KEYNOTE D58 5,651 241 — TRIDENT 18,369 20,348 12,162 Other clinical studies 13,375 6,960 5,524 Clinical administration 19,858 25,363 22,690 Product development 18,519 18,219 15,323 Clinical affairs 7,023 15,935 19,891 Other research and development costs (1) 43,702 43,577 35,719 Share based compensation 32,716 31,827 30,790 Research, development and clinical studies $ 209,645 $ 223,062 $ 206,085 (1) Other research, development and clinical study costs include regulatory affairs, quality assurance, intellectual property, product safety, allocated facilities and other overhead costs.
We recognize share-based compensation costs only for those shares expected to vest over the requisite vesting period of the award, which is generally the option vesting term of four years, using the accelerated method.
For information about our ESPP, see Note 15 to the Consolidated Financial Statements. We recognize share-based compensation costs only for those shares expected to vest over the requisite vesting period of the award, which is generally the option vesting term of four years, using the accelerated method.
Our net revenues were $509.3 million for the year ended December 31, 2023, $537.8 million for the year ended December 31, 2022 and $535.0 million for the year ended December 31, 2021.
Our net revenues were $605.2 million for the year ended December 31, 2024, $509.3 million for the year ended December 31, 2023 and $537.8 million for the year ended December 31, 2022.
We expect that our research, development and clinical expenses, sales and marketing expenses and general and administrative expenses will continue to increase over the next several years and may outpace our gross profit.
We expect that our research, development and clinical expenses, sales and marketing expenses and general and administrative expenses will continue to increase over the next several years and may outpace our gross profit. As a result, we may need to raise additional capital to fund our operations.
The Notes mature on November 1, 2025, unless earlier repurchased, redeemed or converted. The Notes are convertible at an initial conversion rate of 5.9439 ordinary shares per $1,000 principal amount of the Notes, which is equivalent to an initial conversion price of approximately $168.24 per ordinary share.
The Notes are convertible at an initial conversion rate of 5.9439 ordinary shares per $1,000 principal amount of the Notes, which is equivalent to an initial conversion price of approximately $168.24 per ordinary share.
Product's cost sold to Zai totaled $12.0 million for the year ended December 31, 2023 compared to $11.1 million for the year ended December 31, 2022. Gross margin was 75% for the year ended December 31, 2023 and 79% for the year ended December 31, 2022.
Product's cost sold to Zai totaled $9.7 million for the year ended December 31, 2024 compared to $12.0 million for the year ended December 31, 2023. Gross margin was 77% for the year ended December 31, 2024 and 75% for the year ended December 31, 2023.
We recognize compensation costs for the value of performance stock units ("PSU") over the performance period when the vesting conditions become probable in accordance with ASC 718. 54 The table below summarizes the assumptions that were used to estimate the fair value of the options granted to employees during the periods presented: Year ended December 31, 2023 2022 2021 Expected term (years) 5.50-6.00 5.33-5.83 5.50-6.00 Expected volatility 63%-70% 60%-62% 60%-63% Risk-free interest rate 3.48%-4.79% 1.58%-4.23% 0.78%-1.27% Dividend yield 0.00% 0.00% 0.00% If any of the assumptions used in the Black-Scholes option pricing model change significantly, share-based compensation for future awards may differ materially from the awards granted previously.
The table below summarizes the assumptions that were used to estimate the fair value of the options granted to employees during the periods presented: Year ended December 31, 2024 2023 2022 Expected term (years) 5.50-5.73 5.50-6.00 5.33-5.83 Expected volatility 71%-73% 63%-70% 60%-62% Risk-free interest rate 3.88%-4.43% 3.48%-4.79% 1.58%-4.23% Dividend yield 0.00% 0.00% 0.00% If any of the assumptions used in the Black-Scholes option pricing model change significantly, share-based compensation for future awards may differ materially from the awards granted previously.
To date, we primarily have financed our operations through the issuance and sale of equity and the proceeds from long-term loans. At December 31, 2023, we had $240.8 million in cash and cash equivalents and $669.8 million in short-term investments.
As of December 31, 2024, we had an accumulated deficit of $1,154.1 million. To date, we primarily have financed our operations through the issuance and sale of equity and the proceeds from long-term loans. At December 31, 2024, we had $163.8 million in cash and cash equivalents and $796.1 million in short-term investments.
General and administrative expenses increased by $31.3 million, or 24%, to $164.1 million for the year ended December 31, 2023 from $132.8 million for the year ended December 31, 2022.
General and administrative expenses increased by $25.8 million, or 16%, to $189.8 million for the year ended December 31, 2024 from $164.1 million for the year ended December 31, 2023.
Our net loss was $207.0 million for the year ended December 31, 2023, net loss was $92.5 million for the year ended December 31, 2022 and net loss was $58.4 million for the year ended December 31, 2021. As of December 31, 2023, we had an accumulated deficit of $985.5 million.
Our net loss was $168.6 million for the year ended December 31, 2024, net 61 loss was $207.0 million for the year ended December 31, 2023 and net loss was $92.5 million for the year ended December 31, 2022. As of December 31, 2024, we had an accumulated deficit of $1,154.1 million.
On or after August 1, 2025 until the close of the business on the business day immediately preceding the maturity date, holders may convert all or any portion of their Notes at the conversion rate at any time irrespective of the foregoing conditions.
On or after August 1, 2025 until the close of the business on the business day immediately preceding the maturity date, holders may convert all or any portion of their Notes at the conversion rate at any time irrespective of the foregoing conditions. Senior Secured Term Loan Credit Facility On May 1, 2024 Novocure Luxembourg S.a.r.l.
Our intellectual property portfolio contains hundreds of issued patents and numerous patent applications pending 62 worldwide. We believe we possess global commercialization rights to our Products in oncology and are well-positioned to extend those rights into the future as we continue to find innovative ways to improve our Products. In 2018, we granted Zai Lab (Shanghai) Co., Ltd.
We believe we possess global commercialization rights to our Products in oncology and are well-positioned to extend those rights into the future as we continue to find innovative ways to improve our Products. In 2018, we granted Zai Lab (Shanghai) Co., Ltd.
As a result, we may need to raise additional capital to fund our operations. 59 The following summary of our cash flows for the periods indicated has been derived from our consolidated financial statements, which are included elsewhere in this Annual Report: Year ended December 31, U.S. dollars in thousands 2023 2022 2021 Net cash provided by (used in) operating activities $ (73,336) $ 30,788 $ 82,756 Net cash provided by (used in) investing activities 184,148 (139,957) (144,834) Net cash provided by (used in) financing activities 15,787 15,491 25,702 Effect of exchange rate changes on cash and cash equivalents 131 (97) (188) Net increase (decrease) in cash, cash equivalents and restricted cash $ 126,730 $ (93,775) $ (36,564) Operating activities Net cash used in operating activities primarily represents our net loss for the periods presented.
The following summary of our cash flows for the periods indicated has been derived from our consolidated financial statements, which are included elsewhere in this Annual Report: Year ended December 31, U.S. dollars in thousands 2024 2023 2022 Net cash provided by (used in) operating activities $ (26,369) $ (73,336) $ 30,788 Net cash provided by (used in) investing activities (140,242) 184,148 (139,957) Net cash provided by (used in) financing activities 90,315 15,787 15,491 Effect of exchange rate changes on cash and cash equivalents (174) 131 (97) Net increase (decrease) in cash, cash equivalents and restricted cash $ (76,470) $ 126,730 $ (93,775) Operating activities Net cash used in operating activities primarily represents our net loss for the periods presented.
We market Optune Gio and Optune Lua in multiple countries around the globe with the majority of our revenues coming from the use of Optune Gio in the U.S., Germany and Japan. We are actively evaluating opportunities to expand our international footprint. We believe the physical mechanisms of action behind TTFields therapy may be broadly applicable to solid tumor cancers.
We market Optune Gio and Optune Lua in multiple countries around the globe with the majority of our revenues coming from the use of Optune Gio in the U.S., Germany, France and Japan. We are actively evaluating opportunities to expand our international footprint.
Net cash used in operating activities was $73.3 million for the year ended December 31, 2023 compared to $30.8 million provided by operating activities for the year ended December 31, 2022 a decrease of $ 104.1 million.
Net cash used in operating activities was $26.4 million for the year ended December 31, 2024 compared to $73.3 million used in operating activities for the year ended December 31, 2023 a decrease of net cash used in operating activities by $47.0 million.
The following table sets forth our consolidated statements of operations data: Year ended December 31, U.S. dollars in thousands, except share and per share data 2023 2022 2021 Net revenues $ 509,338 $ 537,840 $ 535,031 Cost of revenues 128,280 114,867 114,877 Gross profit 381,058 422,973 420,154 Operating costs and expenses: Research, development and clinical studies 223,062 206,085 201,303 Sales and marketing 226,809 173,658 137,057 General and administrative 164,057 132,753 126,127 Total operating costs and expenses 613,928 512,496 464,487 Operating income (loss) (232,870) (89,523) (44,333) Financial (expenses) income, net 41,130 7,677 (7,742) Income (loss) before income tax (191,740) (81,846) (52,075) Income tax 15,303 10,688 6,276 Net income (loss) $ (207,043) $ (92,534) $ (58,351) Basic and diluted net income (loss) per ordinary share $ (1.95) $ (0.88) $ (0.56) Weighted average number of ordinary shares used in computing basic and diluted net income (loss) per share 106,391,178 104,660,476 103,433,274 The following table details the share-based compensation expense included in costs and expenses: Year ended December 31, U.S. dollars in thousands 2023 2022 2021 Cost of revenues $ 6,587 $ 4,690 $ 3,471 Research, development and clinical studies 31,827 30,790 27,597 Sales and marketing 35,968 28,826 22,673 General and administrative 41,226 42,649 41,159 Total share-based compensation expense $ 115,608 $ 106,955 $ 94,900 Key performance indicators We believe certain commercial operating statistics are useful to investors in evaluating our commercial business as they help investors evaluate and compare the adoption of our Products from period to period.
See "Results of Operations" in Part II, Item 7, Management's Discussion and Analysis of Financial Condition and Results of Operations in the Company's 2023 Annual Report on Form 10-K, filed with the SEC on February 22, 2024, for an analysis of the 2023 results as compared to 2022. 53 The following table sets forth our consolidated statements of operations data: Year ended December 31, U.S. dollars in thousands, except share and per share data 2024 2023 2022 Net revenues $ 605,220 $ 509,338 $ 537,840 Cost of revenues 137,181 128,280 114,867 Gross profit 468,039 381,058 422,973 Operating costs and expenses: Research, development and clinical studies 209,645 223,062 206,085 Sales and marketing 239,063 226,809 173,658 General and administrative 189,827 164,057 132,753 Total operating costs and expenses 638,535 613,928 512,496 Operating income (loss) (170,496) (232,870) (89,523) Financial (expenses) income, net 39,334 41,130 7,677 Income (loss) before income tax (131,162) (191,740) (81,846) Income tax 37,465 15,303 10,688 Net income (loss) $ (168,627) $ (207,043) $ (92,534) Basic and diluted net income (loss) per ordinary share $ (1.56) $ (1.95) $ (0.88) Weighted average number of ordinary shares used in computing basic and diluted net income (loss) per share 107,834,368 106,391,178 104,660,476 The following table details the share-based compensation expense included in costs and expenses: Year ended December 31, U.S. dollars in thousands 2024 2023 2022 Cost of revenues $ 6,873 $ 6,587 $ 4,690 Research, development and clinical studies 32,716 31,827 30,790 Sales and marketing 43,097 35,968 28,826 General and administrative 77,349 41,226 42,649 Total share-based compensation expense $ 160,035 $ 115,608 $ 106,955 Key performance indicators We believe certain commercial operating statistics are useful to investors in evaluating our commercial business as they help investors evaluate and compare the adoption of our Products from period to period.
In addition, the decrease in net cash from operating activities was driven by increased expenses, primarily driven by a $84.5 million increase in sales, marketing, general and administrative expenses to enhance our capabilities in anticipation of potential future approvals of new indications and entry into potential new markets, and a $17.0 million increase in research and development expenses.
Furthermore, the benefit of a higher gross profit was partially offset by increased expenses, primarily driven by a $38.0 million increase in sales, marketing, general and administrative expenses to enhance our capabilities in anticipation of potential future approvals of new indications and entry into potential new markets, offset by a $13.4 million decrease in research and development expenses.
Sales and marketing expenses increased by $53.2 million, or 31%, to $226.8 million for the year ended December 31, 2023 from $173.7 million for the year ended December 31, 2022.
Sales and marketing expenses increased by $12.3 million, or 5%, to $239.1 million for the year ended December 31, 2024 from $226.8 million for the year ended December 31, 2023.
We are prioritizing launch readiness, including field-based commercial and field-based medical team hiring, for the anticipated approval of TTFields therapy for the treatment of metastatic non-small cell lung cancer following progression on or after platinum-based therapies. General and administrative General and administrative expenses consist primarily of personnel, professional fees and facilities costs.
We will continue to prioritize launch readiness, including field-based commercial and field-based medical team hiring, for the anticipated approval of TTFields therapy for the treatment of metastatic non-small cell lung cancer outside the United States and for future new indications around the world. General and administrative General and administrative expenses consist primarily of personnel, professional fees and facilities costs.
The decrease in net cash from operating activities was driven by a decrease in gross profits of $41.9 million driven by a revenue decrease of $28.5 million and an increase in costs of revenue of $13.4 million.
The decrease in net cash used in operating activities was driven by an increase in gross profits of $86.9 million driven by a revenue increase of $95.9 million offset by an increase in costs of revenue of $8.9 million.
Year ended December 31, 2023 2022 2021 Net income (loss) $ (207,043) $ (92,534) $ (58,351) Add: Income tax 15,303 10,688 6,276 Add: Financial expenses (income), net (41,130) (7,677) 7,742 Add: Depreciation and amortization 10,969 10,624 10,251 EBITDA $ (221,901) $ (78,899) $ (34,082) Add: Share-based compensation 115,608 106,955 94,900 Adjusted EBITDA $ (106,293) $ 28,056 $ 60,818 Adjusted EBITDA decreased by $134.3 million, or 479%, to $(106.3) million for the year ended December 31, 2023 from $28.1 million for the year ended December 31, 2022.
Year ended December 31, 2024 2023 2022 Net income (loss) $ (168,627) $ (207,043) $ (92,534) Add: Income tax 37,465 15,303 10,688 Add: Financial expenses (income), net (39,334) (41,130) (7,677) Add: Depreciation and amortization 11,235 10,969 10,624 EBITDA $ (159,261) $ (221,901) $ (78,899) Add: Share-based compensation 160,035 115,608 106,955 Adjusted EBITDA $ 774 $ (106,293) $ 28,056 Adjusted EBITDA increased by $107.1 million, or 101%, to $0.8 million for the year ended December 31, 2024 from $(106.3) million for the year ended December 31, 2023.
In the course of normal business operations, we also have agreements with contract service providers to assist in the performance of our research and development (including clinical studies) and manufacturing activities. We could also enter into additional collaborative research, contract research, manufacturing and supplier agreements in the future, which may require up-front payments and even long-term commitments of cash.
In the course of normal business operations, we also have agreements with contract service providers to assist in the performance of our research and development (including clinical studies) and manufacturing activities.
For additional information, see Note 2(m) to the Consolidated Financial Statements. We also receive revenues pursuant to the Zai Agreement. For additional information regarding the Zai Agreement, see Note 12 to the Consolidated Financial Statements.
Revenue recognition The amount of revenue recognized reflects the consideration to which we expect to be entitled to receive in exchange for our Products. For additional information, see Note 2(m) to the Consolidated Financial Statements. We also receive revenues pursuant to the Zai Agreement. For additional information regarding the Zai Agreement, see Note 12 to the Consolidated Financial Statements.
The fair value of share options is estimated at the date of grant using the Black-Scholes option pricing model and for market condition awards we also use the Monte-Carlo simulation model.
The fair value of share options is estimated at the date of grant using the Black-Scholes option pricing model and for market condition awards we also use the Monte-Carlo simulation model. Both models requires management to apply judgment and make estimates, which include the following. The computation of expected volatility is based on the historical volatility of our shares.
Income tax expenses increased by $4.6 million, or 43%, resulting in a tax expense of $15.3 million for the year ended December 31, 2023 compared to a tax expense of $10.7 million for the year ended December 31, 2022.
Year ended December 31, 2024 2023 Change % Change Income tax $ 37,465 $ 15,303 $ 22,162 145 % Income taxes. Income tax expenses increased by $22.2 million, or 145%, resulting in a tax expense of $37.5 million for the year ended December 31, 2024 compared to a tax expense of $15.3 million for the year ended December 31, 2023.
The net cash provided by financing activities for 2023 was primarily attributable to $11.4 million in proceeds from the exercise of options and $4.4 million in proceeds from the issuance of shares pursuant to the ESPP.
The net cash provided by financing activities for 2024 was primarily attributable to net proceeds of $96.9 million from the senior secured term loan credit facility offset by $12.9 million of early repayment of the convertible notes and $2.2 million in proceeds from the exercise of options and $4.1 million in proceeds from the issuance of shares pursuant to the ESPP.
Net revenues decreased by $28.5 million, or 5%, to $509.3 million for the year ended December 31, 2023 from $537.8 million for the year ended December 31, 2022.
Net revenues increased by $95.9 million, or 19%, to $605.2 million for the year ended December 31, 2024 from $509.3 million for the year ended December 31, 2023.
At December 31, 2023, our cash, cash equivalents and short-term investments totaled $910.6 million, a decrease of $58.8 million compared to $969.4 million at December 31, 2022. The decrease was primarily due to net cash used in operating activities partially offset by the net cash provided by the exercise of options.
At December 31, 2024, our cash, cash equivalents and short-term investments totaled $959.9 million, an increase of $49.3 million compared to $910.6 million at December 31, 2023. The increase was primarily due to net cash provided by financing activities.
Our therapy is delivered through a medical device and we continue to advance our Products with the intention to extend survival and maintain quality of life for patients. We have several product development programs underway that are designed to optimize the delivery of TTFields to the target tumor and enhance patient ease of use.
Our therapy is delivered through a medical device and we continue to advance our Products with the intention to extend survival and maintain quality of life for patients. Optune Gio is approved by the U.S.
We expect that our gross margins will continue to be impacted by current and future product enhancements, such as the ongoing launch of next generation arrays. We continue to focus on opportunities to increase efficiencies and scale within our supply chain. This includes evaluating new materials, manufacturers, and processes that could lead to lower cost.
The tariff environment is changing rapidly, and we cannot be assured that we will not ultimately be negatively impacted by these changes. We continue to focus on opportunities to increase efficiencies and scale within our supply chain. This focus includes evaluating new materials, manufacturers, structures and processes that could lead to lower costs.
Year ended December 31, 2023 2022 Change % Change Financial (expenses) income, net $ 41,130 $ 7,677 $ 33,453 436 % Financial (expenses) income, net. Financial income, net, increased by $33.5 million, or 436%, to $41.1 million income for the year ended December 31, 2023 from $7.7 million income for the year ended December 31, 2022.
Financial income, net, decreased by $1.8 million, or 4%, to $39.3 million income for the year ended December 31, 2024 from $41.1 million income for the year ended December 31, 2023.
Liquidity and capital resources We have incurred significant losses and cumulative negative cash flows from operations with only limited and intermittent operating profits since our founding in 2000. As of December 31, 2023, we had an accumulated deficit of $985.5 million.
We intend to take actions that prioritize growth and maintain financial health as we position our company for future profitability. 57 Liquidity and capital resources We have incurred significant losses and cumulative negative cash flows from operations with only limited and intermittent operating profits since our founding in 2000.
Orders to renew or extend treatment are not included in this total. 56 The following table includes certain commercial operating statistics for and as of the end of the periods presented.
The following tables include certain commercial operating statistics for and as of the end of the periods presented. 54 The following table includes certain commercial operating statistics for and as of the end of the periods presented.
In addition to our trials in NSCLC, we have multiple ongoing or planned trials in our brain and pancreatic cancer programs, including the phase 3 TRIDENT, KEYNOTE D58 and PANOVA-3 trials, and the phase 2 PANOVA-4 trial.
We have several ongoing clinical trials which further explore the use of TTFields therapy in these solid tumor cancers, including the Phase 3 TRIDENT and KEYNOTE D58 trials in GBM, Phase 3 LUNAR-2 and Phase 2 LUNAR-4 trials in NSCLC, and Phase 2 PANOVA-4 trial in pancreatic cancer.
Investing activities Our investing activities primarily consist of capital expenditures to purchase property and equipment and field equipment, as well as investments in and redemptions of our short-term investments.
We could also enter into additional collaborative research, contract research, manufacturing and supplier agreements in the future, which may require up-front payments and even long-term commitments of cash. 58 Investing activities Our investing activities primarily consist of capital expenditures to purchase property and equipment and field equipment, as well as investments in and redemptions of our short-term investments.
Research, development and clinical studies expenses increased by $17.0 million, or 8%, to $223.1 million for the year ended December 31, 2023 from $206.1 million for the year ended December 31, 2022. The change is primarily due to an increase of $11.0 million in costs incurred in support of ongoing and anticipated clinical trial launches and regulatory filings.
Research, development and clinical studies expenses decreased by $13.4 million, or 6%, to $209.6 million for the year ended December 31, 2024 from $223.1 million for the year ended December 31, 2023. The change was primarily due to a decrease in personnel expenses.
Excluding sales to Zai, cost of revenues per active patient per month were $2,714 for the year ended December 31, 2023 compared to $2,481 for the year ended December 31, 2022 driven by higher costs of arrays from our initial roll out of a next generation array and an increase in capacity of patient support services in anticipation of new indications.
Excluding sales to Zai, cost of revenues per active patient per month were $2,683 for the year ended December 31, 2024 compared to $2,714 for the year ended December 31, 2023.
Year ended December 31, 2023 2022 Change % Change Operating expenses: Research, development and clinical studies $ 223,062 $ 206,085 $ 16,977 8 % Sales and marketing 226,809 173,658 53,151 31 % General and administrative 164,057 132,753 31,304 24 % Total operating expenses $ 613,928 $ 512,496 $ 101,432 20 % Research, development and clinical studies expenses.
Year ended December 31, 2024 2023 Change % Change Operating expenses: Research, development and clinical studies $ 209,645 $ 223,062 $ (13,417) (6) % Sales and marketing 239,063 226,809 12,254 5 % General and administrative 189,827 164,057 25,770 16 % Total operating expenses $ 638,535 $ 613,928 $ 24,607 4 % Research, development and clinical studies expenses.
The increase reflects a change in the mix of applicable statutory tax rates in active jurisdictions. 58 Non-GAAP financial measures We also measure our performance based upon a non-U.S. GAAP measurement of earnings before interest, taxes, depreciation, amortization and shared-based compensation ("Adjusted EBITDA").
The change is primarily due to a $14.3 million decrease in tax benefits from share-based compensation, $10.6 million resulting from the utilization of tax credits in 2023 related to prior years and a change in the mix of applicable statutory tax rates. Non-GAAP financial measures We also measure our performance based upon a non-U.S.
Year ended December 31, 2023 2022 Change % Change Cost of revenues $ 128,280 $ 114,867 $ 13,413 12 % Cost of revenues. Our cost of revenues were $128.3 million for the year ended December 31, 2023, an increase of $13.4 million, or 12%, from $114.9 million for the year ended December 31, 2022.
Our cost of revenues were $137.2 million for the year ended December 31, 2024, an increase of $8.9 million, or 7%, from $128.3 million for the year ended December 31, 2023, primarily due to 10% growth in active patients and partially offset by lower shipments to Zai.
The decrease resulted primarily from $48.4 million in reduced collections from denied or appealed claims in the U.S., partially offset by an increase of $14.1 million resulting from improved reimbursement approval rates in Germany and $11.7 million from our launch in France.
The growth in net revenues was primarily driven by an increase of $44.0 million from our successful launch in France and an increase of $42.1 million of net revenues in the U.S. due to improved approval rates.
Our supply chain teams are working to increase stock levels to mitigate distribution and service risks from our suppliers in Israel. On January 19, 2024, President Biden signed into law a continuing resolution that allowed the U.S. government to continue to be funded and operating through March 1, 2024 (some government departments can continue operating through March 8, 2024).
Our supply chain teams are working to increase stock levels to mitigate distribution and service risks from our suppliers in Israel. We view our operations and manage our business in one operating segment.
The change primarily was due to an increase of $37.6 million in costs associated with geographic expansion and pre-launch activities intended to increase awareness of TTFields therapy in anticipation of our launch in NSCLC, as well as an increase in non-cash personnel costs of $7.1 million. General and administrative expenses.
The change was 56 primarily due to an increase of $22.0 million in costs related to a sales force expansion for NSCLC, partially offset by a $10.1 million reduction in marketing expenses. General and administrative expenses.