Ascent Solar Technologies, Inc. (ASTI) Cash Flow Statement
Where ASTI’s cash came from and went, 2025
December 31, 2025 · U.S. dollars- Cash from operations
- −$6.9M
- Capital expenditures
- $32,015 41.7% of revenue
- Free cash flow
- −$6.9M −9,034.4% margin
- Returned to shareholders
- —
- Change in cash
- −$384,250 cash at year-end $2.8M
Cash from operations
−$6.9M
Capital expenditures
−$32,015
Investments (net)
−$75,000
Shares issued
+$6.6M
Other financing
+$78,885
Change in cash
−$384,250
Drawn to scale: where the cash came from and how it was used. Hover for values.
ASTI operating cash flow, capex and free cash flow
Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)
ASTI cash flow trends, 2016–2025
| Metric | Trend | Then | Latest | Change |
|---|---|---|---|---|
| Operating cash flow | −$16.9M2016 | −$6.9M2025 | — | |
| Capital expenditures | $241,1792016 | $32,0152025 | −20.1%/yr | |
| Free cash flow | −$17.1M2016 | −$6.9M2025 | — | |
| Free cash flow margin | −978.4%2016 | −9,034.4%2025 | −8,056.0 pts | |
| Stock-based compensation | $888,3482016 | $1.1M2025 | +2.7%/yr | |
| Dividends paid | $02016 | $900,0002023 | — | |
| Share buybacks (net) | $02016 | $02024 | — | |
| Capex / revenue | 13.8%2016 | 41.7%2025 | +27.9 pts |
Change is the average annual growth (CAGR) or the difference between the first and latest year.
ASTI cash flow by activity
OperatingInvestingFinancingChange in cash
ASTI net income vs operating cash flow
Net incomeOperating cash flow
Operating cash flow above net income usually means earnings are backed by cash (depreciation and stock-based pay are non-cash expenses).
ASTI cash flow statement
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Operating activities | ||||||||||
| Net income | −$7.8M | −$9.1M | −$17.1M | −$19.8M | −$6.0M | $1.6M | −$4.9M | −$16.0M | −$18.6M | −$38.9M |
| Depreciation & amortization | $627,601 | $558,442 | $762,764 | $769,874 | $706,289 | $337,485 | $242,780 | $381,056 | $1.2M | $3.6M |
| Stock-based compensation | $1.1M | $1.0M | $2.2M | $5.5M | $0 | $20,750 | $20,750 | $29,265 | $123,268 | $888,348 |
| Change in working capital | −$812,237 | −$1.6M | −$792,707 | $358,275 | −$1.4M | $536,613 | $1.8M | $3.1M | $1.6M | $4.3M |
| Other non-cash items | −$20,298 | $690,400 | $5.3M | $2.6M | −$2.7M | −$5.4M | $105,080 | $8.5M | $3.1M | $13.2M |
| Cash from operating activities | −$6.9M | −$8.4M | −$9.5M | −$10.5M | −$9.4M | −$2.9M | −$2.7M | −$4.0M | −$12.6M | −$16.9M |
| Investing activities | ||||||||||
| Capital expenditures | −$32,015 | −$421 | −$3.9M | −$181,913 | −$280,317 | −$152 | −$15,009 | −$16,447 | −$69,054 | −$241,179 |
| Investments (net) | −$75,000 | −$421 | −$3.9M | −$265,472 | −$21,205 | $254,444 | $827,491 | −$21,205 | $80,946 | −$158,407 |
| Acquisitions & other investing | $0 | $421 | $3.9M | $181,913 | $0 | $152 | $15,009 | $35,205 | $69,054 | $241,179 |
| Cash from investing activities | −$107,015 | −$421 | −$3.9M | −$265,472 | −$301,522 | $254,444 | $827,491 | −$2,447 | $80,946 | −$158,407 |
| Financing activities | ||||||||||
| Dividends paid | — | — | −$900,000 | — | — | — | — | — | $0 | $0 |
| Share repurchases & issuance (net) | — | $0 | −$900,000 | $0 | $15.5M | $2.5M | — | — | $9.0M | $15.2M |
| Net borrowing (repayment) | −$22,335 | −$446,379 | −$6.2M | $13.5M | $13.5M | $298,200 | $1.9M | $4.0M | $3.5M | $1.7M |
| Shares issued | $6.6M | $16.0M | $1.9M | $5.0M | $15.5M | $2.5M | $0 | $0 | $0 | $0 |
| Other financing | $78,885 | −$5.0M | $9.1M | −$2.2M | −$29.0M | −$2.5M | $0 | −$11,000 | −$20,000 | −$81,500 |
| Cash from financing activities | $6.6M | $10.5M | $3.0M | $16.3M | $15.5M | $2.8M | $1.9M | $3.9M | $12.5M | $16.8M |
| Summary | ||||||||||
| Net change in cash | −$384,250 | $2.1M | −$10.4M | $5.5M | $5.8M | $167,725 | $1.9M | −$71,459 | −$41,328 | −$195,271 |
| Cash at end of period | $2.8M | $3.2M | $1.0M | $11.5M | $6.0M | $167,725 | $18,159 | $18,159 | $89,618 | $130,946 |
| Free cash flow | −$6.9M | −$8.4M | −$13.4M | −$10.7M | −$9.7M | −$2.9M | −$2.7M | −$4.0M | −$12.7M | −$17.1M |
| Free cash flow margin | −9,034.4% | −20,108.3% | −2,927.2% | −874.1% | −1,593.5% | −4,325.4% | −427.7% | −467.6% | −1,972.5% | −978.4% |
| Capex / revenue | 41.7% | 1.0% | 846.1% | 14.9% | 46.1% | 0.2% | 2.4% | 1.9% | 10.8% | 13.8% |
| Operating cash flow / net income | — | — | — | — | — | −1.78 | — | — | — | — |
| Jun '26 | Mar '26 | Dec '25 | Sep '25 | Jun '25 | Mar '25 | Dec '24 | Sep '24 | Jun '24 | Mar '24 | Dec '23 | Sep '23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating activities | ||||||||||||
| Net income | −$1.8M | −$2.2M | −$2.1M | −$2.0M | −$2.1M | −$1.7M | −$1.5M | −$1.7M | −$3.4M | −$2.5M | −$5.2M | −$1.9M |
| Depreciation & amortization | $174,005 | $169,634 | $164,997 | $162,909 | $152,205 | $147,490 | $143,632 | $140,584 | $137,838 | $136,388 | $133,577 | $184,325 |
| Stock-based compensation | $177,004 | $87,399 | $258,789 | $259,442 | $404,219 | $211,273 | $210,465 | $354,403 | $185,690 | $259,234 | $139,067 | $139,067 |
| Change in working capital | −$202,703 | −$108,362 | −$162,559 | −$151,606 | −$295,916 | −$202,156 | −$476,267 | −$172,313 | −$1.3M | $407,627 | −$665,740 | $489,820 |
| Other non-cash items | $688,680 | −$791,033 | $3,311 | −$9,054 | −$6,625 | −$32,341 | $51,598 | −$682,501 | $784,671 | $536,632 | $3.3M | $344,489 |
| Cash from operating activities | −$989,598 | −$2.8M | −$1.8M | −$1.8M | −$1.8M | −$1.6M | −$1.5M | −$2.1M | −$3.6M | −$1.2M | −$2.2M | −$751,572 |
| Investing activities | ||||||||||||
| Capital expenditures | −$4 | −$4 | −$2,515 | −$29,501 | −$2,032 | −$480 | −$421 | −$416 | −$4 | −$1 | −$3.9M | −$11,150 |
| Investments (net) | $0 | −$200,000 | $0 | −$104,500 | −$2,032 | −$483 | $0 | −$421 | $0 | $0 | −$13,403 | −$14,421 |
| Acquisitions & other investing | −$199,996 | $4 | $0 | $29,501 | $2,032 | $480 | $0 | $416 | — | — | $3.9M | $11,150 |
| Cash from investing activities | −$200,000 | −$200,000 | −$2,515 | −$104,500 | −$2,032 | −$483 | −$421 | −$421 | — | — | −$13,403 | −$14,421 |
| Financing activities | ||||||||||||
| Dividends paid | — | — | — | — | — | — | — | — | — | — | −$900,000 | — |
| Share repurchases & issuance (net) | — | — | — | — | — | — | — | $3.6M | −$3.6M | — | −$1 | — |
| Net borrowing (repayment) | $0 | $0 | $0 | $0 | $0 | −$22,335 | −$313,662 | −$519,047 | — | — | — | — |
| Shares issued | $30,430 | $10.0M | $2.0M | $1.0M | $2.9M | $680,863 | $2.7M | $506,650 | $12.8M | $0 | $10.3M | $2.1M |
| Other financing | −$575,000 | $6.3M | $499,380 | $0 | −$373,141 | −$22,943 | −$1.4M | −$3.6M | $49,728 | $336,602 | −$8.4M | $0 |
| Cash from financing activities | −$544,570 | $16.3M | $2.5M | $1.0M | $2.5M | $635,585 | $975,607 | −$12,397 | $9.2M | $336,602 | $1.0M | $2.1M |
| Summary | ||||||||||||
| Net change in cash | −$1.5M | $13.3M | $692,475 | −$860,841 | $699,044 | −$914,928 | −$550,803 | −$2.1M | $5.6M | −$861,259 | −$1.2M | $1.3M |
| Cash at end of period | $14.5M | $16.1M | $2.8M | $2.1M | $3.0M | $2.3M | $3.2M | $3.7M | $5.8M | $187,474 | $1.0M | $2.2M |
| Free cash flow | −$989,602 | −$2.8M | −$1.8M | −$1.8M | −$1.8M | −$1.6M | −$1.5M | −$2.1M | −$3.6M | −$1.2M | −$6.1M | −$762,722 |
| Free cash flow margin | −1,039.5% | −5,428.0% | −11,569.8% | −6,268.0% | −10,692.4% | −9,923.9% | −279.0% | −23,989.6% | −13,151.4% | −21,390.4% | −218,184.5% | −331.7% |
| Capex / revenue | 0.0% | 0.0% | 16.1% | 103.3% | 12.0% | 3.1% | 0.1% | 4.9% | 0.0% | 0.0% | 138,778.7% | 4.8% |
Negative numbers are cash paid out. Quarterly columns are labeled by the month the quarter ended. Figures in U.S. dollars as reported; data from EODHD.
ASTI cash generation
In fiscal 2025 (ended December 31, 2025), Ascent Solar Technologies generated -$6.9 million of cash from operations and spent $0.0 million on capital expenditures, leaving free cash flow of -$6.9 million, −9,034.4% of revenue. Cash and equivalents fell by $0.4 million over the year.
Related: ASTI income statement, ASTI balance sheet. See the ASTI stock overview for the latest quote and news.
ASTI cash flow FAQ
What is Ascent Solar Technologies's free cash flow?
Ascent Solar Technologies's free cash flow was -$6.9 million in fiscal 2025: -$6.9 million of operating cash flow minus $0.0 million of capital expenditures It was -$8.4 million a year earlier..
How much cash does Ascent Solar Technologies generate from operations?
Ascent Solar Technologies generated -$6.9 million of cash from operating activities in fiscal 2025.
How much does Ascent Solar Technologies spend on capital expenditures?
Ascent Solar Technologies spent $0.0 million on capital expenditures in fiscal 2025, 41.7% of revenue, compared with $0.0 million the year before.