2021 2020 2019 2018 2017 2016 2015 Operating Cash Flow $292.88M$-167.64M$-304.96M$-689.92M$-734.67M$-611.25M$-306.62M Net Income $-487.95M$-944.84M$-1.03B$-1.26B$-3.45B$-514.64M$-372.89M Depreciation & Amortization $119.14M$86.74M$87.25M$91.65M$61.29M$29.11M$15.31M Deferred Income Tax $0$-6.33M$-491K$-383K$-17.49M$-7.95M$-7.7M Stock-Based Compensation $1.09B$770.18M$686.01M$538.21M$2.64B$31.84M$73.52M Change In Working Capital $-195.88M$-153.84M$6.6M$-95.62M$11.06M$-150.5M$-15.49M Other Non-Cash Items $-234.56M$80.44M$-50.66M$32.13M$15.64M$889K$626K Cash From Investing $90.23M$-729.86M$-728.61M$694.45M$-1.35B$-1.02B$-100.94M Purchases Of Investments $-2.44B$-3.64B$-2.48B$-1.68B$-3.87B$-1.57B$-9.55M Sales / Maturities of Investments $2.92B$3.13B$1.79B$2.48B$2.99B$728.59M$0 Property, Plant & Equipment Investments $-69.88M$-57.83M$-36.48M$-122.81M$-92.63M$-66.44M$-19.2M Net Acquisitions $-310.92M$-168.85M$-3M$-1M$-386M$0$0 Other Investing Activites $-6.28M$5.51M$706K$11.46M$10.26M$-111.62M$-72.19M Cash From Financing $1.07B$922.79M$1.17B$47.44M$2.27B$1.14B$650.37M Debt Repayment $0$0$0$0$0$-5M$0 Dividend Payments $0$0$0$0$0$0$0 Payout Ratio 0%0%0%0%0%0%0% Net Common Stock Repurchased $0$0$0$551K$-2.26B$10.59M$1M Common Stock Repurchased $0$0$0$-551K$-394.16M$-10.59M$-1M Common Stock Issued $0$0$0$551K$-2.26B$10.59M$1M Other Financing Activites $1.07B$922.79M$1.17B$47.99M$1.71M$1.16B$651.37M Accounts Receivables $-332.97M$-255.82M$-147.86M$-77.51M$-104.36M$-118.43M$-41.91M Accounts Payables $53.58M$20.37M$20.67M$-33.53M$49.7M$6.49M$-6.72M Inventory $0$0$0$0$0$0$0 Other Working Capital $4B$37.31M$58.41M$28.15M$4.52M$1.7M$-293K Capital Expenditure (CAPEX) $-111.03M$-57.83M$-36.48M$-122.81M$-92.63M$-67.01M$-28.3M Effect Of Foreign Exchange On Cash $0$0$0$0$0$0$0 Net Change In Cash $1.45B$25.28M$132.29M$51.97M$183.94M$-490.69M$242.8M Free Cash Flow (FCF) $181.84M$-225.48M$-341.44M$-812.73M$-827.29M$-678.26M$-334.93M Free Cash Flow To Equity (FCFE) $181.84M$-225.48M$-341.44M$-812.73M$-827.29M$-683.26M$-334.93M