Serina Therapeutics Inc (SER) Cash Flow Statement
Where SER’s cash came from and went, 2025
December 31, 2025 · U.S. dollars- Cash from operations
- −$18.0M
- Capital expenditures
- $59,000 45.4% of revenue
- Free cash flow
- −$18.0M −13,811.5% margin
- Returned to shareholders
- —
- Change in cash
- −$616,000 cash at year-end $3.1M
Cash from operations
−$18.0M
Share buybacks (net)
+$12.5M
Net borrowing (repayment)
+$4.9M
Shares issued
+$12.5M
Other financing
−$12.5M
Currency & other
−$73,000
Change in cash
−$616,000
Drawn to scale: where the cash came from and how it was used. Hover for values.
SER operating cash flow, capex and free cash flow
Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)
SER cash flow trends, 2016–2025
| Metric | Trend | Then | Latest | Change |
|---|---|---|---|---|
| Operating cash flow | −$8.4M2016 | −$18.0M2025 | — | |
| Capital expenditures | $23,0002016 | $59,0002025 | +11.0%/yr | |
| Free cash flow | −$8.4M2016 | −$18.0M2025 | — | |
| Free cash flow margin | −507.2%2016 | −13,811.5%2025 | −13,304.3 pts | |
| Stock-based compensation | $82,9452021 | $3.8M2025 | +160.0%/yr | |
| Share buybacks (net) | $02022 | $02025 | — | |
| Capex / revenue | 1.4%2016 | 45.4%2025 | +44.0 pts |
Change is the average annual growth (CAGR) or the difference between the first and latest year.
SER cash flow by activity
OperatingInvestingFinancingChange in cash
SER 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).
SER cash flow statement
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Operating activities | ||||||||||
| Net income | −$19.4M | −$11.2M | $5.3M | −$2.7M | −$1.3M | −$10.4M | −$12.2M | −$7.5M | −$6.6M | −$15.5M |
| Depreciation & amortization | $73,000 | $194,000 | $90,000 | $61,272 | $33,368 | $1.3M | $951,000 | $535,000 | $682,000 | $845,000 |
| Stock-based compensation | $3.8M | $2.6M | $25,000 | $7,110 | $82,945 | — | — | — | — | — |
| Change in working capital | $1.5M | −$3.3M | $81,000 | −$11,939 | −$754,791 | −$260,000 | −$410,000 | $211,000 | $776,000 | $1.3M |
| Other non-cash items | −$3.9M | −$5.4M | −$7.9M | $550,041 | −$347,594 | $1.6M | $1.5M | −$1.2M | −$1.2M | $4.9M |
| Cash from operating activities | −$18.0M | −$17.1M | −$2.5M | −$2.1M | −$2.3M | −$7.8M | −$10.2M | −$8.0M | −$6.3M | −$8.4M |
| Investing activities | ||||||||||
| Capital expenditures | −$59,000 | −$22,000 | −$504,000 | −$9,682 | −$108,434 | −$20,000 | −$641,000 | −$1.9M | −$1,000 | −$23,000 |
| Investments (net) | — | −$22,000 | −$504,000 | $980,937 | $823,321 | — | — | — | — | — |
| Acquisitions & other investing | $0 | $22,000 | $504,000 | $9,682 | $108,434 | $0 | $280,000 | $3.2M | $6,000 | −$5,000 |
| Cash from investing activities | −$59,000 | −$22,000 | −$504,000 | $980,937 | $823,321 | −$20,000 | −$361,000 | $1.3M | $5,000 | −$28,000 |
| Financing activities | ||||||||||
| Share repurchases & issuance (net) | $12.5M | $10.0M | — | $0 | — | — | — | — | — | — |
| Net borrowing (repayment) | $4.9M | $2.9M | $10.1M | $1.3M | −$12,907 | — | — | — | — | — |
| Shares issued | $12.5M | $5.0M | $0 | $4,422 | $90,152 | $0 | $0 | $0 | $0 | $0 |
| Other financing | −$12.5M | −$4.7M | $15,000 | $0 | $1.0M | $6.0M | $6.3M | $6.0M | $13.3M | $7.3M |
| Cash from financing activities | $17.4M | $13.2M | $10.1M | $1.3M | $1.1M | $6.0M | $6.3M | $6.0M | $13.3M | $7.3M |
| Summary | ||||||||||
| Net change in cash | −$616,000 | −$3.9M | $7.1M | $217,383 | −$350,209 | −$1.8M | −$4.4M | −$668,000 | $7.1M | −$1.2M |
| Cash at end of period | $3.1M | $3.7M | $7.6M | $532,229 | $314,846 | $527,000 | $2.4M | $6.7M | $7.4M | $259,000 |
| Free cash flow | −$18.0M | −$17.2M | −$3.0M | −$2.1M | −$2.4M | −$7.8M | −$10.8M | −$9.9M | −$6.3M | −$8.4M |
| Free cash flow margin | −13,811.5% | −30,641.1% | −94.5% | −417.1% | −68.1% | −14,513.0% | −625.1% | −708.3% | −447.7% | −507.2% |
| Capex / revenue | 45.4% | 39.3% | 16.0% | 1.9% | 3.1% | 37.0% | 37.1% | 135.6% | 0.1% | 1.4% |
| Operating cash flow / net income | — | — | −0.47 | — | — | — | — | — | — | — |
| 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 | −$6.4M | −$6.9M | −$3.3M | −$4.6M | −$6.5M | −$4.8M | −$2.8M | $1.4M | $5.2M | −$9.4M | $1.1M | $1.8M |
| Depreciation & amortization | $18,000 | $18,000 | $24,000 | $16,000 | $16,000 | $17,000 | $56,000 | $56,000 | $57,000 | $25,000 | $6,000 | $54,000 |
| Stock-based compensation | $1.1M | $1.1M | $948,000 | $999,000 | $890,000 | $956,000 | $988,000 | $1.1M | $458,000 | $53,000 | $53,000 | $0 |
| Change in working capital | −$1.3M | $508,000 | −$1.1M | $1.4M | $706,000 | $455,000 | −$172,000 | $1.1M | −$4.8M | $535,000 | −$250,000 | −$52,000 |
| Other non-cash items | −$143,000 | $727,000 | −$2.6M | −$1.7M | $1.1M | −$928,000 | −$2.7M | −$6.6M | −$8.9M | $7.2M | −$739,000 | −$2.8M |
| Cash from operating activities | −$6.7M | −$4.6M | −$6.0M | −$3.9M | −$3.8M | −$4.3M | −$4.6M | −$3.0M | −$8.0M | −$1.6M | $121,000 | −$1.0M |
| Investing activities | ||||||||||||
| Capital expenditures | −$28,000 | −$25,000 | −$59,000 | −$13,000 | −$46,000 | $0 | −$5,000 | −$3,000 | $0 | −$14,000 | −$70,000 | −$119,000 |
| Investments (net) | — | — | — | −$13,000 | −$46,000 | $0 | −$5,000 | −$3,000 | $0 | −$14,000 | −$14,000 | −$119,000 |
| Acquisitions & other investing | $0 | $0 | $0 | $13,000 | $46,000 | $0 | $5,000 | $3,000 | — | $14,000 | $14,000 | $119,000 |
| Cash from investing activities | −$28,000 | −$25,000 | −$59,000 | −$13,000 | −$46,000 | $0 | −$5,000 | −$3,000 | — | −$14,000 | −$70,000 | −$119,000 |
| Financing activities | ||||||||||||
| Dividends paid | −$2.5M | — | — | — | — | — | — | — | — | — | — | — |
| Share repurchases & issuance (net) | — | — | $12.5M | $12.0M | $10.5M | $4.9M | $10.0M | $5.1M | — | — | — | — |
| Net borrowing (repayment) | — | — | $0 | $4.9M | $0 | $0 | $109,000 | $0 | — | — | — | — |
| Shares issued | $5.2M | $26.0M | $476,000 | $1.5M | $5.6M | $4.9M | $0 | $0 | $0 | $0 | $0 | $0 |
| Other financing | $2.5M | $8,000 | −$12.5M | −$12.0M | −$10.5M | −$4.9M | −$5.1M | −$5.0M | $5.4M | $2.7M | −$13,000 | $2,000 |
| Cash from financing activities | $5.2M | $26.1M | $481,000 | $6.4M | $5.6M | $4.9M | $5.0M | $86,000 | $5.4M | $2.7M | −$13,000 | $2,000 |
| Summary | ||||||||||||
| Net change in cash | −$1.5M | $21.5M | −$5.6M | $2.6M | $1.8M | $595,000 | $437,000 | −$2.9M | −$2.6M | $1.1M | $7.2M | $136,000 |
| Cash at end of period | $23.0M | $24.5M | $3.1M | $8.6M | $6.0M | $4.3M | $3.7M | $3.2M | $6.1M | $8.8M | $7.6M | $397,000 |
| Free cash flow | −$6.7M | −$4.6M | −$6.0M | −$3.9M | −$3.8M | −$4.3M | −$4.6M | −$3.0M | −$8.0M | −$1.6M | $51,000 | −$1.1M |
| Free cash flow margin | — | — | — | — | −2,884.6% | — | — | −21,178.6% | −15,703.9% | −31,820.0% | 1.7% | −3,941.4% |
| Capex / revenue | — | — | — | — | 35.4% | — | — | 21.4% | 0.0% | 280.0% | 2.3% | 410.3% |
| Operating cash flow / net income | — | — | — | — | — | — | — | −2.14 | −1.54 | — | 0.12 | −0.58 |
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.
SER cash generation
In fiscal 2025 (ended December 31, 2025), Serina Therapeutics generated -$18.0 million of cash from operations and spent $0.1 million on capital expenditures, leaving free cash flow of -$18.0 million, −13,811.5% of revenue. Cash and equivalents fell by $0.6 million over the year.
Related: SER income statement, SER balance sheet. See the SER stock overview for the latest quote and news.
SER cash flow FAQ
What is Serina Therapeutics's free cash flow?
Serina Therapeutics's free cash flow was -$18.0 million in fiscal 2025: -$18.0 million of operating cash flow minus $0.1 million of capital expenditures It was -$17.2 million a year earlier..
How much cash does Serina Therapeutics generate from operations?
Serina Therapeutics generated -$18.0 million of cash from operating activities in fiscal 2025.
How much does Serina Therapeutics spend on capital expenditures?
Serina Therapeutics spent $0.1 million on capital expenditures in fiscal 2025, 45.4% of revenue, compared with $0.0 million the year before.