Free cash flow remains deeply negative at -$63.2 million in 2026Q1, reflecting the substantial capital intensity required to support the Rytelo product launch.
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 | Dec'01 | Dec'00 | Dec'99 | Dec'98 | Dec'97 | Dec'96 |
|---|
| Cash from Operations | -125.96M | -111.04M | -218.62M | -167.74M | -127.38M | -95.56M | -66.65M | -43.83M | -21.01M | -20.56M | -18.37M | -24.2M | 9.35M | -36.68M | -55.15M | -62.39M | -44.29M | -43.37M | -41.98M | -26.63M | -26.38M | -20.61M | -25.93M | -24.4M | -31.34M | -22.42M | -13.61M | -13.6M | -7.8M | -7.9M | -9.9M |
| Operating CF Margin % | - | -60.39% | -283.94% | -70777.64% | -21372.32% | -6859.73% | -26344.66% | -9528.04% | -1970.83% | -1930.14% | -298.1% | -66.53% | 810.93% | -2858.92% | -2035.66% | -2559.15% | -1243.11% | -2512.98% | -1497.86% | -349.41% | -804.97% | -7107.93% | -2462.01% | -2078.02% | -2511.46% | -619.42% | -205.86% | -251.85% | -114.71% | -108.22% | -186.79% |
| Operating CF Growth % | 144.38% | 49.21% | -30.33% | -31.69% | -33.3% | -43.37% | -52.07% | -108.62% | -2.2% | -11.91% | 24.08% | -358.78% | 125.49% | 33.49% | 11.61% | -40.87% | -2.12% | -3.31% | -57.65% | -0.96% | -27.97% | 20.49% | -6.27% | 22.16% | -39.78% | -64.81% | -0.04% | -74.36% | 1.27% | 20.2% | - |
| Net Income | -69.59M | -85.78M | -174.57M | -184.13M | -141.9M | -116.11M | -75.62M | -68.55M | -27.02M | -27.92M | -29.54M | 46K | -35.67M | -38.38M | -68.88M | -96.85M | -111.38M | -70.18M | -62.02M | -36.7M | -31.36M | -33.53M | -80.41M | -29.88M | -33.91M | -42.07M | -32.57M | -46.4M | -10.8M | -9.6M | -10.7M |
| Depreciation & Amortization | 1.22M | 1.2M | 1.22M | 1.03M | 868K | 783K | 935K | 776K | 59K | 76K | 81K | 56K | 47K | 320K | 830K | 1.58M | 1.61M | 1.75M | 2.42M | 1.93M | 1.59M | 3.74M | 3.9M | 4.12M | 4.59M | 4.37M | 4.65M | 3.7M | 1.7M | 1.6M | 1.2M |
| Stock-Based Compensation | 6.82M | 88K | 31.32M | 19.35M | 8M | 8.08M | 6.89M | 6.08M | 6.37M | 8.14M | 8.24M | 8.4M | 7.66M | 4.43M | 5.31M | 15.25M | 13.72M | 10.57M | 11.49M | 0 | 4.37M | -227K | 96K | 105K | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 0 | 0 | 0 | 0 | 0 | 191K | 488K | -1.33M | -365K | 310K | 597K | 2.24M | 2.65M | 1.47M | 3.03M | 8.97M | 15.31M | 7.78M | -8.54M | 0 | -4.2M | 5.32M | -96K | 1.39M | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | 34.31M | 41.99M | -8.18M | -10.06M | 626K | 984K | 264K | 68K | 191K | 200K | 156K | 364K | 253K | 252K | 183K | -49K | 27.31M | -157K | 9.92M | -1.53M | -808K | -42K | 52.18M | -84K | 2.35M | 16.96M | 15.79M | 29.9M | 800K | 1.7M | 100K |
| Working Capital Changes | -101M | -68.54M | -68.41M | 6.06M | 5.03M | 10.52M | 383K | 19.13M | -245K | -1.37M | 2.09M | -35.3M | 34.41M | -4.77M | 4.38M | 8.71M | 9.14M | 6.86M | 4.74M | 9.67M | 4.04M | 4.12M | -1.6M | -47K | -4.38M | -1.68M | -1.47M | -800K | 500K | -1.6M | -500K |
| Change in Receivables | -9.92M | -377K | -36.89M | 1.49M | -1.38M | -1.04M | 80K | 366K | -528K | 39K | 731K | -243K | 0 | 0 | 0 | 0 | 0 | -440K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | -77.06M | -77.92M | -37.97M | 0 | 1.38M | 1.04M | -80K | -366K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.48M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | 1.46M | 2.66M | 2.44M | -4.03M | 3.5M | -232K | 5.73M | 199K | 479K | 278K | 65K | -873K | -364K | -2.03M | 449K | -482K | 1.29M | -56K | -443K | 0 | 53K | 0 | 1.24M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | 106.66M | 107.25M | -106M | -180.32M | 62.07M | 71.95M | -105.32M | 27.4M | -77.72M | 22.97M | 8.76M | 73K | -77.9M | 21.05M | 60.95M | 32.14M | -48.45M | -83M | 5.47M | 16.04M | 16.88M | 12.96M | -18.16M | -54.54M | 17.29M | 3.89M | -31.51M | -12.9M | -7.6M | -6.3M | -10M |
| Capital Expenditures | -333K | -49K | -680K | -830K | -431K | -207K | -401K | -413K | -16K | 0 | -57K | -90K | -131K | -3K | -862K | -612K | -836K | -1.44M | -2.34M | -2.99M | -779K | -1.64M | -1.53M | -411K | -328K | -1.11M | -1.18M | -2.7M | -1M | -700K | -1.1M |
| CapEx % of Revenue | 0.17% | 0.03% | 0.88% | 350.21% | 72.32% | 14.86% | 158.5% | 89.78% | 1.5% | - | 0.92% | 0.25% | 11.36% | 0.23% | 31.82% | 25.1% | 23.46% | 83.14% | 83.38% | 39.23% | 23.77% | 566.21% | 144.92% | 35.01% | 26.28% | 30.55% | 17.87% | 50% | 14.71% | 9.59% | 20.75% |
| Acquisitions | -64K | 0 | 0 | 179.49M | -1.23M | 1.59M | 339K | -27.81M | 0 | 0 | 16K | 0 | 0 | 1.2M | 170K | 0 | 2K | 0 | 15K | 0 | 779K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 64K | 0 | 0 | -179.49M | 1.23M | -1.59M | -339K | 27.81M | -77.7M | 22.97M | -1K | -1K | 529K | -1K | -1K | -1K | -1.5M | 25K | 124K | -1.91M | -779K | 0 | 0 | 0 | 0 | 0 | 0 | 1M | 0 | -100K | 0 |
| Cash from Financing | 4.44M | 2.27M | 334.37M | 362.02M | 87.26M | 48.56M | 168.35M | 19.5M | 92.97M | 1.11M | 1.17M | 2.58M | 98.36M | 6.55M | 150K | 386K | 104.11M | 51.63M | -162K | 20.73M | 48.75M | 94.44M | 41.11M | 87.15M | -116K | 7.32M | 67.26M | 18M | 27.6M | 5.9M | 19.8M |
| Debt Issued (Net) | 0 | 0 | 34.57M | 29.7M | 0 | 24.89M | 23.86M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -55K | -146K | -176K | -367K | -380K | -829K | 23.98M | 20.7M | 7.4M | -500K | -1M |
| Equity Issued (Net) | 4.44M | 2.27M | 140.73M | 213.34M | 69.92M | 20.39M | 144.26M | 19.3M | 86.02M | 1.06M | 0 | 2.58M | 98.36M | 6.55M | 150K | 386K | 104.12M | 51.63M | -162K | 20.73M | 48.8M | 94.59M | 41.29M | 87.52M | 264K | 8.15M | 43.28M | -2.8M | 20.2M | 6.5M | 19.7M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -6K | 0 | 0 | -9.08M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -455K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -3.7M | 0 | 0 | 0 |
| Other Financing | 0 | 0 | 159.08M | 118.98M | 17.35M | 3.28M | 224K | 204K | 6.95M | 51K | 1.17M | 0 | 0 | 0 | 0 | 0 | -6K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100K | 0 | -100K | 1.1M |
| Net Change in Cash | -14.83M | -1.44M | 9.74M | 13.93M | 21.97M | 24.95M | -3.63M | 3.07M | -5.76M | 3.52M | -8.44M | -21.55M | 29.81M | -9.07M | 5.96M | -29.87M | 11.37M | -74.75M | -36.68M | 10.14M | 39.25M | 86.79M | -2.98M | 8.22M | -14.17M | -11.21M | 22.15M | -8.6M | 12.2M | -8.3M | -100K |
| Free Cash Flow | -126.3M | -111.09M | -219.3M | -168.57M | -127.81M | -95.76M | -67.05M | -44.24M | -21.02M | -20.56M | -18.43M | -24.29M | 9.22M | -36.68M | -56.01M | -63M | -45.13M | -44.81M | -44.32M | -29.62M | -27.16M | -22.25M | -27.45M | -24.81M | -31.67M | -23.53M | -14.79M | -16.3M | -8.8M | -8.6M | -11M |
| FCF Margin % | -64.4% | -60.41% | -284.82% | -71127.85% | -21444.63% | -6874.59% | -26503.16% | -9617.83% | -1972.33% | -1930.14% | -299.03% | -66.77% | 799.57% | -2859.16% | -2067.48% | -2584.25% | -1266.57% | -2596.12% | -1581.23% | -388.64% | -828.75% | -7674.14% | -2606.93% | -2113.03% | -2537.74% | -649.97% | -223.73% | -301.85% | -129.41% | -117.81% | -207.55% |
| FCF Growth % | 38.21% | 49.34% | -30.09% | -31.89% | -33.46% | -42.82% | -51.56% | -110.43% | -2.28% | -11.56% | 24.13% | -363.43% | 125.13% | 34.5% | 11.1% | -39.61% | -0.71% | -1.1% | -49.63% | -9.07% | -22.03% | 18.93% | -10.66% | 21.67% | -34.6% | -59.13% | 9.29% | -85.23% | -2.33% | 21.82% | - |
| FCF per Share | -0.19 | -0.17 | -0.34 | -0.30 | -0.34 | -0.29 | -0.25 | -0.23 | -0.12 | -0.13 | -0.12 | -0.15 | 0.06 | -0.29 | -0.44 | -0.51 | -0.46 | -0.51 | -0.57 | -0.40 | -0.41 | -0.38 | -0.61 | -0.80 | -1.28 | -1.06 | -0.71 | -1.05 | -0.77 | -0.82 | -1.42 |
| FCF Conversion (FCF/Net Income) | 1.81x | 1.29x | 1.25x | 0.91x | 0.90x | 0.82x | 0.88x | 0.64x | 0.78x | 0.74x | 0.62x | -526.00x | -0.26x | 0.96x | 0.80x | 0.64x | 0.40x | 0.62x | 0.68x | 0.73x | 0.84x | 0.61x | 0.32x | 0.82x | 0.92x | 0.53x | 0.30x | 0.29x | 0.72x | 0.82x | 0.93x |
| Interest Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Capital intensive commercial ramp
According to the provided financial data, Geron's operating cash flow consistently trails net income, with the 2026Q1 period showing a significant $62.9 million outflow, highlighting the substantial cash requirements needed to support the ongoing commercialization of imetelstat despite the company's transition toward a revenue-generating model.
The persistent gap between net income and operating cash flow suggests that the company's accounting earnings are not yet reflective of the actual cash burn required to sustain operations. Investors should monitor whether the OCF/NI ratio stabilizes as the commercial launch matures, as current figures indicate that non-cash items and working capital requirements continue to exert significant pressure on liquidity.
As reported in recent financial statements, Geron's free cash flow remains deeply negative, reaching an outflow of $63.2 million in 2026Q1, which underscores the company's reliance on external financing to bridge the gap between its current commercial revenue and the high costs of market penetration.
The trajectory of free cash flow appears to be highly sensitive to the scale of the commercial launch, with margins remaining deeply negative at -121.8% in the most recent quarter. This trend suggests that until the company achieves a critical mass of patient adoption, the cash burn will likely remain a primary concern for stakeholders evaluating the sustainability of the current business model.
Based on the quarterly cash flow data, working capital changes have been a major driver of cash volatility, most notably in 2026Q1 when a $67.6 million outflow occurred, reflecting the complexities of managing inventory and receivables during the initial stages of the Rytelo product launch.
The significant swings in working capital suggest that the company is currently absorbing the costs associated with channel filling and the establishment of distribution networks. Analysts should investigate whether these outflows represent a temporary investment in the supply chain or a structural requirement that will continue to constrain cash availability as the prescriber base expands.
As indicated by the historical cash flow statements, Geron has directed virtually all available capital toward operational survival and R&D, with no dividends or share repurchases recorded, confirming that management's primary focus remains on funding the clinical and commercial development of its lead asset.
The absence of capital returns to shareholders is consistent with the company's current stage of development and its negative operating margin profile. Future capital allocation decisions will likely remain constrained by the need to fund the IMpactMF Phase 3 trial, which appears to be the next major hurdle for the company's long-term financial viability.
Quick answers to the most common questions about buying GERN stock.
Geron Corporation (GERN) generated $-111.0M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Geron Corporation (GERN) reported negative free cash flow of $111.1M in 2025, indicating capital requirements exceeded cash from operations.
Geron Corporation (GERN) spent $0.0M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.