Management's Discussion and Analysis of Financial Condition and Results of Operations ("MD&A") is intended to provide information to assist you in better understanding and evaluating our financial condition and results of operations. We encourage you to read this MD&A in conjunction with our unaudited consolidated financial statements and the notes thereto for the period endedSeptember 30, 2021 included in Part I, Item 1 of this Quarterly Report on Form 10-Q. This discussion contains forward-looking statements that involve risks and uncertainties. Please refer to the information under the heading "Cautionary Note Regarding Forward-Looking Statements" elsewhere in this report. References to the words "we," "our," "us," and the "Company" in this report refer toNovoCure Limited , including its consolidated subsidiaries. Critical Accounting Policies and Estimates In accordance withU.S. generally accepted accounting principles ("GAAP"), in preparing our financial statements, we must make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities as of the date of the financial statements and the reported amounts of net revenues and expenses during the reporting period. We develop and periodically change these estimates and assumptions based on historical experience and on various other factors that we believe are reasonable under the circumstances. Actual results may differ from these estimates. The critical accounting policies requiring estimates, assumptions and judgments that we believe have the most significant impact on our consolidated financial statements can be found in our 2020 10-K. For additional information, see Note 1 to our unaudited consolidated financial statements in Part I, Item 1 of this Quarterly Report. There were no other material changes to our critical accounting policies and estimates as compared to the critical accounting policies and estimates described in our 2020 10-K. Overview We are a global oncology company with a proprietary platform technology called Tumor Treating Fields ("TTFields"), which are electric fields tuned to specific frequencies that disrupt cancer cell division. Our key priorities are to drive commercial adoption of Optune and Optune Lua, our commercial TTFields delivery systems, and to advance clinical and product development programs intended to extend overall survival in some of the most aggressive forms of cancer. Optune is approved by theU.S. Food and Drug Administration ("FDA") under the Premarket Approval ("PMA") pathway for the treatment of adult patients with newly diagnosed GBM in combination with temozolomide, a chemotherapy drug, and for adult patients with GBM following confirmed recurrence after chemotherapy as monotherapy treatment. We also have approval or a CE certificate to market Optune for the treatment of GBM in theEuropean Union ("EU"),Japan and certain other countries. We market Optune in theU.S. ,Austria ,Germany ,Israel ,Japan ,Sweden andSwitzerland , which we refer to as our "active markets." With respect to GBM, our sales and marketing efforts are principally focused on driving adoption with both neuro-oncologists and radiation oncologists. We are expanding our commercial operations intoFrance with an initial focus on developing key opinion leader relationships in GBM and establishing a path to reimbursement for our Products. Optune Lua is approved by the FDA under the Humanitarian Device Exemption ("HDE") pathway to treat MPM in combination with standard chemotherapies. We have received CE certification to market Optune Lua (under the name "NovoTTF-100L") in the EU andSwitzerland . We currently market Optune Lua in theU.S. , and are evaluating plans to expand access to our therapy for MPM patients in other markets. With respect to MPM, our commercial efforts are principally focused on generating awareness, educating thoracic oncologists about the benefits of TTFields, and establishing a dialogue with third-party payers around access to Optune Lua. We believe the mechanism of action behind TTFields therapy may be broadly applicable to solid tumor cancers. Currently, we are conducting phase 3 pivotal trials evaluating the use of TTFields in non-small-cell lung cancer ("NSCLC"), brain metastases from non-small-cell lung cancer ("brain metastases"), ovarian cancer and pancreatic cancer. In 2020, we enrolled our first patient in our global phase 4 TRIDENT trial to test the potential survival benefit of initiating Optune concurrent with radiation therapy versus following radiation therapy in patients with newly diagnosed GBM. We recently concluded a phase 2 pilot trial evaluating the use of TTFields in liver cancer and are conducting a phase 2 pilot trial in gastric cancer, as well as testing the potential incremental survival benefit of TTFields delivered using high-intensity arrays versus standard arrays. We anticipate expanding our clinical pipeline 17 -------------------------------------------------------------------------------- Table of Contents over time to study the safety and efficacy of TTFields for additional solid tumor indications and combinations with other cancer treatment modalities. In 2018, we granted Zai Lab (Shanghai) Co., Ltd. ("Zai") a license to commercialize Optune inChina ,Hong Kong ,Macau andTaiwan ("Greater China") under a License and Collaboration Agreement (the "Zai Agreement"). The Zai Agreement also establishes a development partnership intended to accelerate the development of TTFields in multiple solid tumor cancer indications. For additional information, see Note 12 to the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2020 (the "2020 10-K"). InApril 2021 , we announced that an independent data monitoring committee ("DMC") informed Novocure that the pre-specified interim analysis for the phase 3 pivotal LUNAR trial for the treatment of NSCLC was accelerated given the length of accrual and the number of events observed, to date. The interim analysis included data from 210 patients accrued throughFebruary 2021 . After review of the interim analysis, the DMC concluded that the LUNAR trial should continue with no evidence of increased systemic toxicity. The DMC went on to comment that the continued accrual to 534 patients as proposed in the original protocol, given the current rate of accrual and the interim data presented, is likely unnecessary and possibly unethical for patients randomized to control. For this reason, the DMC recommended an adjustment of accrual to approximately 276 patients with a 12-month follow-up following the enrollment of the last patient. The DMC believes this amended protocol would provide adequate data regarding toxicity and efficacy, providing sufficient overall power, as well as potentially providing important information regarding efficacy within treatment subgroups. InMay 2021 , the FDA approved our investigational device exemption ("IDE") supplement incorporating the recommended protocol changes and we expect final data in 2022. InApril 2021 , the FDA approved our IDE application to initiate the KEYNOTE B36 phase 2 pilot trial to study TTFields with pembrolizumab in first-line NSCLC through our clinical collaboration with MSD (a tradename of Merck & Co.). As ofSeptember 30, 2021 there were five KEYNOTE B36 clinical trial sites actively evaluating patients for enrollment. InMay 2021 , we entered into a clinical trial collaboration withGT Medical Technologies, Inc. , to develop TTFields together with GT Medical Technologies' GammaTile Surgically Targeted Radiation Therapy for the treatment of recurrent GBM, expanding our research in the treatment of GBM. We plan to conduct a phase 2 pilot study to test the effectiveness and safety of neo-adjuvant TTFields followed by resection, GammaTile Therapy, and adjuvant TTFields for recurrent GBM. This clinical trial collaboration presents an important opportunity to study the radio-sensitizing effect of TTFields. InJuly 2021 , we announced the final results of our phase 2 pilot HEPANOVA trial investigating TTFields together with sorafenib, a kinase inhibitor, in 27 patients with advanced liver cancer. Historical control data showed an objective response rate of 4.5% and disease control rate of 43% for patients treated with sorafenib alone. In 21 evaluable patients, HEPANOVA showed a 9.5% objective response rate and 76% disease control rate, as well as 5.8 months of progression free survival. These results are even more encouraging when considering the poor prognosis of the study population. Over half of the patients in HEPANOVA were categorized as Child-Pugh Class B , compared to 5% in the historical control, indicating significant liver functional compromise. Research conducted to date has shown that TTFields anti-mitotic effect requires extended exposure to the therapy for maximum impact and this was a challenge for HEPANOVA with a median treatment duration of only 10 weeks. Of the patients who received at least 12 weeks of therapy, the disease control rate reached 91% with an objective response rate of 18%. These data demonstrate that TTFields have the potential to extend survival in advanced liver cancer. Our team, along with trial investigators, are actively designing a phase 3 pivotal trial that contemplates TTFields therapy together with the current standard of care, including immunotherapy. InSeptember 2021 , we announced that the FDA granted breakthrough designation to the NovoTTF-200T System, a TTFields delivery system intended for use together with atezolizumab and bevacizumab for the first-line treatment of patients with unresectable or metastatic liver cancer. The designation offers us an opportunity to interact with FDA experts throughout the premarket review phase and allows for prioritized review of regulatory submissions. Also inSeptember 2021 , we entered into a clinical collaboration with Roche to develop TTFields together with Roche's anti-PD-L1 therapy, atezolizumab, for treatment of patients with metastatic pancreatic ductal adenocarcinoma (mPDAC). We plan to conduct a phase 2 pilot study to test the safety and efficacy of TTFields together with atezolizumab, gemcitabine and nab-paclitaxel as a first-line treatment for mPDAC. This clinical 18 -------------------------------------------------------------------------------- Table of Contents collaboration will study the immune-shielded environment of the pancreas and investigate our ability to improve clinical outcomes for patients with this deadly disease. We will be the study sponsor and Roche is providing atezolizumab for the trial. InOctober 2021 , we and Zai announced that the final patient has been enrolled in EF-31, a Novocure-sponsored, phase 2 pilot trial conducted by Zai Lab evaluating the safety and efficacy of TTFields in combination with chemotherapy as a first-line treatment in patients with gastric adenocarcinoma. Zai has enrolled approximately 30 patients inGreater China . The protocol is designed to include 25 evaluable patients who receive at least one tumor assessment. In October, 2021, we announced that the final patient has been enrolled in our phase 3 pivotal INNOVATE-3 trial evaluating the efficacy of TTFields together with paclitaxel for treatment in patients with platinum-resistant ovarian cancer.The European Network for Gynecological Oncological Trials and The GOG Foundation , Inc. collaborated with Novocure on the design and facilitation of this trial. Following the completion of enrollment, the independent Data Monitoring Committee will conduct the pre-specified interim analysis pursuant to the trial protocol. Final data is anticipated in 2023. The enrollment timelines for our PANOVA-3 trial are reliant on the ability of our clinical sites to administer the trial in accordance with protocol specifications. A shortage of nab-paclitaxel, commercially known as Abraxane, has had an impact on the chemotherapy supply at clinical sites. Furthermore, due to the denial of an importation license for Abraxane by theNational Medical Products Administration , we are unable to expand our clinical trial footprint intoGreater China at this time. As such, we now anticipate final data in 2024. The table below presents the current status of the ongoing clinical trials in our oncology pipeline and anticipated timing of final data. [[Image Removed: nvcr-20210930_g1.jpg]] 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 prioritize impact on both TTFields' dose and patient ease of use. We continue our efforts to optimize array design to improve patient comfort for all torso and abdominal indications, improve skin adhesion and increase degrees-of-motion. In the third quarter, we discontinued enrollment in a clinical usability study for a new, flexible torso array due to establishing enhanced capabilities for collecting usability feedback. We will continue to follow enrolled patients in order to gather applicable data. Our oncology intellectual property portfolio contains over 185 issued patents and numerous patent applications pending worldwide. We believe we own 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. 19 -------------------------------------------------------------------------------- Table of Contents We view our operations and manage our business in one operating segment. For the three and nine months endedSeptember 30, 2021 , our net revenues were$133.6 million and$401.8 million , respectively. Our net loss for the three and nine months endedSeptember 30, 2021 , was$13.1 million and$31.9 million , respectively. As ofSeptember 30, 2021 , we had an accumulated deficit of$659.5 million . Our net loss resulted primarily from net revenue growth which was more than offset by increasing investments in research and development to advance our pipeline programs and increase acceptance of TTFields across the global oncology community. Impact of COVID-19 The COVID-19 pandemic did not have a material impact on our financial results through the third quarter of 2021. The pandemic has had and is having an impact on our day-to-day operations, which varies by region based on factors such as geographical spread, stage of containment and recurrence of the pandemic in each region. We believe the prolonged disruption caused by the COVID-19 pandemic is resulting in persisting volatility across global health care systems, such as fluctuations in patient volumes and changes in patterns of care in certain regions, including in areas where the pandemic eased during the quarter. For example, we continue to see fluctuations in the timing of surgeries, radiation therapy and advanced disease progression in certain regions, which has had some adverse influence on the eligible patient population for Optune. TTFields is an emerging modality in cancer care and requires significant educational effort to drive awareness and acceptance of our therapy. We have relied heavily on virtual engagement to manage these educational efforts for more than a year, which poses challenges to our ability to effectively communicate and engage with our customers and partners around the world. The COVID-19 pandemic is also having an impact on clinical trial enrollments, study operations, and regulatory responsiveness. Given the aggressive nature of the cancers that we treat, we believe that the fundamental value proposition of the TTFields platform remains unchanged. We continue to evaluate and plan for the potential effects of the COVID-19 pandemic on our business moving forward. The extent to which the COVID-19 pandemic may impact our business and clinical trials in the future will depend on further developments, which are highly uncertain and cannot be predicted with confidence. The COVID-19 pandemic may also have the effect of heightening many of the other risks described in our risk factors disclosed in our 2020 10-K. Commentary on Results of Operations Net revenues. Our revenues are primarily derived from patients using our Products in our active markets. We charge for treatment with our Products on a monthly basis. Our potential net revenues per patient are determined by our ability to secure payment, the monthly fee we collect and the number of months that the patient remains on therapy. We also receive revenues pursuant to the Zai Agreement. For additional information regarding the Zai Agreement, see Note 12 to the Consolidated Financial Statements in our 2020 10-K. Cost of revenues. We contract with third parties to manufacture our Products. Our cost of revenues is primarily comprised of the following: •disposable arrays; •depreciation expense for the field equipment, including the electric field generator used by patients; and •personnel and overhead costs such as facilities, freight and depreciation of property, plant and equipment associated with managing our inventory, warehousing and order fulfillment functions. Operating expenses. Our operating expenses consist of research, development and clinical trials, sales and marketing and general and administrative expenses. Personnel costs are a significant component for each category of operating expenses and consist of wages, benefits and bonuses. Personnel costs also include share-based compensation. Financial expenses, net. Financial expenses, net primarily consists of credit facility interest expense and related debt issuance costs, interest income from cash balances and short-term investments and gains (losses) from foreign currency transactions. Our reporting currency is theU.S. dollar. We have historically held substantially all of our cash balances inU.S. dollar denominated accounts to minimize the risk of translational currency exposure. 20 -------------------------------------------------------------------------------- Table of Contents Results of Operations The following discussion provides an analysis of our results of operations and reasons for material changes therein for the three and nine months endedSeptember 30, 2021 as compared to the three and nine months endedSeptember 30, 2020 . The tables contained in this section reportU.S. dollars in thousands (except share, patient, and prescription data). The following table sets forth our consolidated statements of operations data: Three months ended September 30, Nine months ended September 30, 2021 2020 2021 2020 Unaudited Unaudited Net revenues $ 133,606$ 132,660 $ 401,818 $ 350,413 Cost of revenues 30,206 28,395 85,190 78,365 Gross profit 103,400 104,265 316,628 272,048 Operating costs and expenses: Research, development and clinical trials 48,141 32,818 144,372 88,008 Sales and marketing 32,580 29,364 98,075 86,658 General and administrative 31,231 27,061 95,116 79,073 Total operating costs and expenses 111,952 89,243 337,563 253,739 Operating income (loss) (8,552) 15,022 (20,935) 18,309 Financial expenses (income), net 1,981 3,983 5,567 9,032 Income (loss) before income taxes (10,533) 11,039 (26,502) 9,277 Income taxes 2,591 1,755 5,391 (5,614) Net income (loss) $ (13,124)$ 9,284 $ (31,893) $ 14,891 Basic net income (loss) per ordinary share $ (0.13)$ 0.09 $ (0.31)$ 0.15 Weighted average number of ordinary shares used in computing basic net income (loss) per share 103,731,147 101,234,306 103,281,380 100,601,427 Diluted net income (loss) per ordinary share $ (0.13)$ 0.09 $ (0.31)$ 0.14 Weighted average number of ordinary shares used in computing diluted net income (loss) per share 103,731,147 108,643,814 103,281,380 108,113,416
The following table details the share-based compensation expense included in costs and expenses:
Three months ended September Nine months ended September 30, 30, 2021 2020 2021 2020 Unaudited Unaudited Cost of revenues$ 808 $ 767 $ 2,368 $ 1,916 Research, development and clinical trials 7,761 5,101 21,390 12,275 Sales and marketing 5,806 4,677 16,706 13,061 General and administrative 11,383 9,576 32,038 28,196
Total share-based compensation expense
$ 72,502 $ 55,448 21
-------------------------------------------------------------------------------- Table of Contents Key performance indicators We believe certain commercial operating statistics are useful to investors in evaluating our commercial business as they help our management team and investors evaluate and compare the adoption of our Products from period to period. The number of active patients on therapy is our principal revenue driver. An "active patient" is a patient who is receiving treatment under a commercial prescription order as of the measurement date, including patients who may be on a temporary break from treatment and who plan to resume treatment in less than 60 days. Prescriptions are a leading indicator of demand. A "prescription received" is a commercial order for Optune or Optune Lua that is received from a physician certified to treat patients with our Products for a patient not previously on Optune or Optune Lua. Orders to renew or extend treatment are not included in this total. The following table includes certain commercial operating statistics for and as of the end of the periods presented. September 30, Operating statistics 2021 2020 Active patients at period end North America (1) 2,223 2,218 EMEA: Germany 562 533 Other EMEA 425 369 Japan 292 241 Total 3,502 3,361 Three months ended September 30, Nine months ended September 30, 2021 2020 2021 2020 Prescriptions received in period North America (1) 931 955 2,815 2,909 EMEA: Germany 220 239 705 677 Other EMEA 119 91 391 351 Japan 110 86 321 265 Total 1,380 1,371 4,232 4,202 (1)North America includes data forthe United States andCanada for the third quarter of 2021 andthe United States only for all other periods. There were 13 active MPM patients on therapy as ofSeptember 30, 2021 and 15 MPM prescriptions were received in the three months endedSeptember 30, 2021 . Three and nine months endedSeptember 30, 2021 compared to three and nine months endedSeptember 30, 2020 Three months ended September 30, Nine months ended September 30, 2021 2020 % Change 2021 2020 % Change Net revenues$ 133,606 $ 132,660 1 %$ 401,818 $ 350,413 15 % Net revenues. Net revenues increased 1% to$133.6 million for the three-month period endingSeptember 30, 2021 from$132.7 million for the same period in 2020, and increased 15% to$401.8 for the nine-month period endedSeptember 30, 2021 from$350.4 for the same period in 2020. The increase resulted primarily from an increase of 141 active patients in our currently active markets, representing 4% growth, and the launch of Optune inChina . In the third quarter of 2021, we recorded only de minimus revenue from the successful appeal of previously denied claims for Medicare fee-for-service beneficiaries billed prior to established coverage, versus the$8.0 million that we recorded in the third quarter of 2020. We continue to actively appeal and pursue previously denied claims for 22 -------------------------------------------------------------------------------- Table of Contents beneficiaries billed prior to established coverage, but the cadence and amount of these Medicare payments are impossible to predict. In the third quarter 2021, we recorded$10.6 million and$28.1 million in revenues from Medicare fee-for-service beneficiaries billed under the coverage policy effective onSeptember 1, 2019 for the three and nine month period endedSeptember 30, 2021 , an increase of 9% and 4% from the$9.7 million and$26.9 million recognized in the same period in 2020. We believe we have completed our administrative ramp-up towards processing Medicare claims and efficiently pursuing appeals. Approximately 25% of our current Medicare fee-for-service beneficiaries began use of TTFields therapy prior to the effective date of coverage and, as a result, are not contributing revenue at the time of billing. We expect to realize additional benefit as the mix of Medicare fee-for-service beneficiaries shifts to include a greater percentage of patients who have started therapy under the coverage policy effectiveSeptember 1, 2019 . Three months ended September 30, Nine months ended September 30, 2021 2020 % Change 2021 2020 % Change Cost of revenues$ 30,206 $ 28,395 6 %$ 85,190 $ 78,365 9 % Cost of revenues. Our cost of revenues increased by 6%, to$30.2 million for the three months endedSeptember 30, 2021 from$28.4 million for the same period in 2020, and increased by 9% to$85.2 for the nine months endedSeptember 30, 2021 from$78.4 for the same period in 2020. For the three and nine month period, the increase in cost of revenues was primarily due to the cost of shipping transducer arrays to a higher volume of commercial patients and increasing shipments of equipment to Zai Lab. 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 costs. Excluding sales to Zai, cost of revenues per active patient per month decreased 6% and 6% to$2,485 and$2,475 for the three and nine months endedSeptember 30, 2021 from$2,630 and$2,622 for the same period in 2020. Cost of revenues per active patient is calculated by dividing the cost of revenues for the quarter less equipment sales to Zai for the quarter by the average of the active patients at the end of the prior quarter and the ending active patients in the current quarter. This quarterly figure is then divided by three to estimate the monthly cost of revenues per active patient. Sales to Zai are deducted because they are sold at cost and in anticipation of future royalties from Zai, and Zai patient counts are not included in our active patient population. Product sales to Zai totaled$4.2 million and$8.0 for the three and nine months endedSeptember 30, 2021 compared to$2.2 million and$3.8 million for the three and nine months endedSeptember 30, 2020 . Gross margin was 77% for the three months endedSeptember 30, 2021 compared to 79% for the three months endedSeptember 30, 2020 . Gross margin was 79% for the nine months endedSeptember 30, 2021 and 78% for the nine months endedSeptember 30, 2020 . The moderately lower gross margin in the third quarter 2021 was driven by an increase in Zai Lab purchases in the quarter. Operating Expenses. Three months ended September 30, Nine months ended September 30, 2021 2020 % Change 2021 2020 % Change Research, development and clinical trials$ 48,141 $ 32,818 47 %$ 144,372 $ 88,008 64 % Sales and marketing 32,580 29,364 11 % 98,075 86,658 13 % General and administrative 31,231 27,061 15 % 95,116 79,073 20 % Total operating expenses$ 111,952 $ 89,243 25 %$ 337,563 $ 253,739 33 % Research, development and clinical trials expenses. Research, development and clinical trials expenses increased 47% to$48.1 million for the three-month period endedSeptember 30, 2021 from$32.8 million for the same period in 2020, and increased 64% to$144.4 million for the nine-month period endedSeptember 30, 2021 from$88.0 in the same period in 2020. For the three and nine month period, the change is primarily due to an increase in clinical trial and personnel expenses for our phase 3 pivotal and label expansion trials, an increase in development and 23 -------------------------------------------------------------------------------- Table of Contents personnel expenses to support our product development programs, increased investments in preclinical research, and the expansion of our medical affairs activities. Sales and marketing expenses. Sales and marketing expenses increased 11% to$32.6 million for the three months endedSeptember 30, 2021 from$29.4 million for the same period in 2020, and increased 13% to$98.1 million for the nine-month periods endedSeptember 30, 2021 from$86.7 million for the same period in 2020. For the three and nine month period, the change was primarily due to an increase in personnel and professional services costs as we continue to enhance our commercial capabilities in anticipation of potential future approvals in new indications. Accordingly, we are investing heavily in our market access capabilities in order to evaluate opportunities, identify optimal access pathways, and successfully gain reimbursement in new geographies. General and administrative expenses. General and administrative expenses increased 15% to$31.2 million for the three months endedSeptember 30, 2021 from$27.1 million for the same period in 2020, and increased 20% to$95.1 million for the nine months endedSeptember 30, 2021 from$79.1 million for the same period in 2020. For the three and nine month periods, the change was primarily due to an increase in personnel costs and professional services. Three months ended September 30, Nine months ended September 30, 2021 2020 % Change 2021 2020 % Change Financial expenses (income), net$ 1,981 $ 3,983 (50) %$ 5,567 $ 9,032 (38) % Financial expenses, net. Financial expenses decreased 50% to$2.0 million for the three months endedSeptember 30, 2021 from$4.0 million for the same period in 2020, and decreased 38% to$5.6 for the nine months endedSeptember 30, 2021 from$9.0 for the same period in 2020. For the three and nine month periods, the decrease was primarily due to the absence of interest payments as a result of the loan repayment inAugust 2020 . Three months ended September 30, Nine months ended September 30, 2021 2020 % Change 2021 2020 % Change Income taxes$ 2,591 $ 1,755 48 %$ 5,391 $ (5,614) (196) % Income taxes. Income taxes increased 48% to$2.6 million for the three months endedSeptember 30, 2021 from$1.8 million for the same period in 2020, and increased 196% to$5.4 million for the nine months endedSeptember 30, 2021 from a benefit of$5.6 million for the same period in 2020. For the three months endedSeptember 30, 2021 the increase reflects a change in the mix of applicable statutory tax rates in certain jurisdictions. For the nine months endedSeptember 30, 2021 , the increase was primarily due to a net one-time tax benefit of$11.3 million , which was recorded in the first quarter of 2020 in response to the changes in theU.S. tax code related to the economic impacts of the COVID-19 pandemic. The variance also reflects a change in the mix of applicable statutory tax rates in our active jurisdictions. Non-GAAP financial measures We also measure our performance using a non-GAAP measurement of earnings before interest, taxes, depreciation, amortization and shared-based compensation ("Adjusted EBITDA"). We believe Adjusted EBITDA is useful to investors in evaluating our operating performance because it helps investors evaluate and compare the results of our operations from period to period by removing the impact of earnings attributable to our capital structure, tax rate and material non-cash items, specifically share-based compensation. 24 -------------------------------------------------------------------------------- Table of Contents We calculate Adjusted EBITDA as operating income before financial expenses and income taxes, net of depreciation, amortization and share-based compensation. The following table reconciles net income (loss), which is the most directly comparable GAAP operating performance measure, to Adjusted EBITDA. Three months ended September 30, Nine months ended September 30, 2021 2020 % Change 2021 2020 % Change Net income (loss)$ (13,124) $ 9,284 (241) %$ (31,893) $ 14,891 (314) % Add: Income tax 2,591 1,755 48 % 5,391 (5,614) (196) % Add: Financial income (expenses), net 1,981 3,983 (50) % 5,567 9,032 (38) % Add: Depreciation and amortization 2,734 2,188 25 % 7,584 6,677 14 % EBITDA$ (5,818) $ 17,210 (134) %$ (13,351) $ 24,986 (153) % Add: Share-based compensation 25,758 20,121 28 % 72,502 55,448 31 % Adjusted EBITDA$ 19,940 $ 37,331 (47) %$ 59,151 $ 80,434 (26) % Adjusted EBITDA decreased by 47% to$19.9 million for the three months endedSeptember 30, 2021 from$37.3 million for the same period in 2020, and decreased by 26% to$59.2 for the nine months endedSeptember 30, 2021 from$80.4 for the same period in 2020. The decrease was driven by increased investments in research and development activities intended to further our exploration of TTFields therapy, and in sales and marketing readiness initiatives in anticipation of future potential launches in new indications. Adjusted EBITDA as a percentage of net revenues was 15% in the third quarter, due to research and development investment reaching 36% of third quarter net revenues. We believe these focused investments are critical to our efforts to realize the long-term potential of the TTFields platform. Liquidity and Capital Resources We have incurred significant losses and cumulative negative cash flows from operations since our founding in 2000. As ofSeptember 30, 2021 , we had an accumulated deficit of$659.5 million . To date, we have primarily financed our operations through the issuance and sale of equity and the proceeds from long-term loans. AtSeptember 30, 2021 , we had$933.8 million in cash, cash equivalents and short-term investments, an increase of$91.2 million compared to$842.6 million atDecember 31, 2020 . The increase in our cash, cash equivalents and short-term investments was primarily due to the cash flow from operations and the exercise of options. We believe our cash, cash equivalents and short-term investments as ofSeptember 30, 2021 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 expect that our research, development and clinical trials 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 following summary of our cash flows for the periods indicated has been derived from our unaudited consolidated financial statements, which are included elsewhere in this Quarterly Report: Nine months ended September
30,
2021 2020 Change % Change
Net cash provided by operating activities
$ 22,685 50 % Net cash provided by (used in) investing activities 354,256 140,791 213,465 152 % Net cash provided by (used in) financing activities 22,050 (130,645) 152,695 (117) % Effect of exchange rate changes on cash and cash equivalents (139) 152 (291) (191) % Net increase (decrease) in cash, cash equivalents and restricted cash$ 444,519 $ 55,965 $ 388,554 694 % Operating activities. Net cash provided by operating activities primarily represents our net income (loss) for the periods presented. Adjustments to net income (loss) for non-cash items include share-based compensation, depreciation and amortization, and asset write-downs. Operating cash flows are also impacted by changes in 25 -------------------------------------------------------------------------------- Table of Contents operating assets and liabilities, principally trade payables, deferred revenues, other payables, prepaid expenses, inventory and trade receivables. Net cash provided by operating activities was$68.4 million for the nine months endedSeptember 30, 2021 , as compared to$45.7 million provided by operating activities for the nine months endedSeptember 30, 2020 . Gross profit increased by$44.6 million for the nine months endedSeptember 30, 2021 versus the nine months endedSeptember 30, 2020 , partially funding incremental investments of$56.4 million in research and development and$27.5 million in sales, marketing, general and administrative expenses. The increase in positive cash flow from operations was primarily driven by higher cash earnings, lower interest payments, the receipt of income tax refunds, as well as the timing of receipts and payments in the ordinary course of business. Investing activities. Our investing activities consist primarily of investments in and redemptions of our short-term investments as well as investments in property and equipment. Net cash provided by investing activities was$354.3 million for the nine months endedSeptember 30, 2021 , compared to$140.8 million provided by investing activities for the nine months endedSeptember 30, 2020 . The net cash provided by investing activities for the nine months endedSeptember 30, 2021 was primarily attributable to$364.2 million of net proceeds from maturity of short-term investments, partially offset by the purchase of$9.9 million of property and equipment. The net cash provided by investing activities for the nine months endedSeptember 30, 2020 was primarily attributable to the to the net proceeds generated from the sale of investments for cash needed to prepay the 2018 credit facility. 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$22.1 million for the nine months endedSeptember 30, 2021 , as compared to$130.6 million used in financing activities for the nine months endedSeptember 30, 2020 . The net cash provided by financing activities for the nine months endedSeptember 30, 2021 andSeptember 30, 2020 included proceeds from the exercise of options and purchase of shares under the Company's stock option plan and employee share purchase plan ("ESPP"). The cash used in financing activities for the nine months endedSeptember 30, 2020 was primarily related to the prepayment of the 2018 credit facility. Convertible Notes OnNovember 5, 2020 , we issued$575.0 million aggregate principal amount of 0% Convertible Senior Notes due 2025 (the "Notes"). The Notes are senior unsecured obligations. The Notes do not bear regular interest, and the principal amount of the Notes will not accrete. 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. Prior to the close of business onJuly 31, 2025 , a holder of Notes may convert their Notes at any time during any calendar quarter (and only during such calendar quarter), if the last reported sale price of ordinary shares for at least 20 trading days (whether or not consecutive) during the 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$218.712 . The Notes are also convertible at the option of the holders upon the satisfaction of certain other conditions and during certain periods, and if the Company exercises its right to redeem the Notes as permitted or required by the indenture. On or afterAugust 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. InJanuary 2021 , we irrevocably elected to settle all conversions of Notes by a combination of cash and our ordinary shares and that the cash portion per$1,000 principal amount of Notes for all conversion settlements shall be$1,000 . Accordingly, from and after the date of the election, upon conversion of any Notes, holders of Notes will receive, with respect to each$1,000 principal amount of Notes converted, cash in an amount up to$1,000 and the balance of the conversion value, if any, in our ordinary shares For more information, see Note 10(a) to the Consolidated Financial Statements in the 2020 10-K. Term loan credit facility OnNovember 6, 2020 , we entered into a new three-year$150.0 million senior secured revolving credit facility with a syndicate of relationship banks (the "2020 Credit Facility"). We may, subject to certain conditions and limitations, 26 -------------------------------------------------------------------------------- Table of Contents increase the revolving credit commitments outstanding under the 2020 Credit Facility or incur new incremental term loans in an aggregate principal amount not to exceed an additional$100.0 million . The commitments under the 2020 Credit Facility are guaranteed by certain of our subsidiaries and secured by a first lien on our and certain of our subsidiaries' assets. Outstanding loans will bear interest at a sliding scale based on our secured leverage ratio from LIBOR plus 2.75% to LIBOR plus 3.25% per annum. Additionally, the 2020 Credit Facility contains a fee for the unused revolving credit commitments at a sliding scale based on our secured leverage ratio from 0.35% to 0.45%. The 2020 Credit Facility contains financial covenants requiring maintenance of a minimum fixed charge coverage ratio and specifying a maximum senior secured net leverage ratio, as well as customary events of default which include a change of control. As ofSeptember 30, 2021 , we were in compliance with such covenants. As ofSeptember 30, 2021 , we had no outstanding balance borrowed under the 2020 Credit Facility. Contractual Obligations and Commitments There have been no material changes from the information disclosed in our 2020 10-K. Off-Balance Sheet Arrangements We did not have during the periods presented, and we do not currently have, any off-balance sheet arrangements as defined underU.S. Securities and Exchange Commission ("SEC") rules. Item 3. Quantitative and Qualitative Disclosures About Market Risk There have been no material changes from the information disclosed in our 2020 10-K. Item 4. Controls and Procedures Evaluation of Disclosure Controls and Procedures As required by Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), our management, under the supervision and with the participation of our Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of our disclosure controls and procedures as ofSeptember 30, 2021 . The term "disclosure controls and procedures," as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in theSEC's rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company's management, including its principal executive and principal financial officers, as appropriate, to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on the evaluation of our disclosure controls and procedures as ofSeptember 30, 2021 , our Chief Executive Officer and Chief Financial Officer have concluded that, as ofSeptember 30, 2021 , our disclosure controls and procedures were effective at the reasonable assurance level. Changes in Internal Control over Financial Reporting There has been no change in our internal control over financial reporting during the quarter endedSeptember 30, 2021 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting. 27
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