Free cash flow burn accelerated 122% to -$41.5M in 2026Q2, with operating cash outflows averaging 0.78x net losses and no capital returns, as all cash is directed to R&D.
Rapport Therapeutics, Inc. Common Stock (RAPP) cash flow statement — 4-year operating, investing & financing cash flows
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 |
|---|
| Cash from Operations | -96.68M | -87.47M | -64.83M | -27.18M | -3.24M |
| Operating CF Margin % | - | - | - | - | - |
| Operating CF Growth % | -107.28% | -34.93% | -138.5% | -738.4% | - |
| Net Income | -137.16M | -111.48M | -78.31M | -34.79M | -10.65M |
| Depreciation & Amortization | 960K | 1.02M | 839K | 112K | 16.36K |
| Stock-Based Compensation | 24.59M | 18.86M | 10.23M | 3.52M | 609.82K |
| Deferred Taxes | 0 | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | -87K | 636K | 4.82M | 1.32M | 5.3M |
| Working Capital Changes | 15.01M | 3.5M | -2.42M | 2.65M | 1.49M |
| Change in Receivables | -293K | 0 | 0 | 0 | 0 |
| Change in Inventory | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | -375K | 2.21M | -346K | 856K | 0 |
| Cash from Investing | -167.56M | -187.47M | -170.14M | -78.86M | -5.28M |
| Capital Expenditures | -467K | -616K | -2.4M | -1.64M | -284K |
| CapEx % of Revenue | 2.33% | - | - | - | - |
| Acquisitions | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - |
| Other Investing | 193K | 0 | 3.21M | 0 | -5M |
| Cash from Financing | 272.79M | 270.79M | 221.63M | 145.14M | 39.69M |
| Debt Issued (Net) | 0 | 0 | 0 | 0 | 7.9M |
| Equity Issued (Net) | 273.18M | 270.79M | 221.62M | 145.27M | 31.79M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -5K | -1K | 0 | -4K | 0 |
| Other Financing | -391K | 0 | 7K | -134K | 0 |
| Net Change in Cash | 8.54M | -4.16M | -13.34M | 39.09M | 31.16M |
| Free Cash Flow | -97.15M | -88.09M | -67.23M | -28.82M | -3.53M |
| FCF Margin % | -485.75% | - | - | - | - |
| FCF Growth % | -26.42% | -31.02% | -133.31% | -717.27% | - |
| FCF per Share | -2.05 | -1.88 | -3.24 | -1.59 | -0.18 |
| FCF Conversion (FCF/Net Income) | 0.71x | 0.78x | 0.83x | 0.78x | 0.30x |
| Interest Paid | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 |
Quick answers to the most common questions about buying RAPP stock.
Rapport Therapeutics, Inc. Common Stock (RAPP) generated $-87.5M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Rapport Therapeutics, Inc. Common Stock (RAPP) reported negative free cash flow of $88.1M in 2025, indicating capital requirements exceeded cash from operations.
Rapport Therapeutics, Inc. Common Stock (RAPP) spent $0.6M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
In 2025, Rapport Therapeutics, Inc. Common Stock (RAPP) spent $0.0M on share repurchases. This shows the company's commitment to returning capital to its equity investors.
Key Metrics
Top Statement Risk
Dilution from equity funding
Metrics are mathematically derived from official filings.
Cash Conversion Lags Net Losses
Operating cash outflows averaged 0.78 times net losses over the last ten quarters, indicating non-cash charges like stock-based compensation cushion reported losses, but cash burn remains substantial, as per quarterly filings.
The OCF/NI ratio has ranged from 0.65 to 0.94, with the latest quarter at 0.73, suggesting that reported net losses overstate the actual cash drain by roughly 25-35% due to non-cash items. However, the absolute cash burn is accelerating, with operating cash outflows reaching $41.5M in 2026Q2, up from $17.6M in 2024Q1, reflecting the ramp in pivotal trial spending. Investors should monitor whether the gap narrows as trial costs become more cash-intensive.
Free Cash Flow Burn Accelerates
Free cash flow deteriorated from -$18.7M in 2024Q1 to -$41.5M in 2026Q2, a 122% increase, as reported in financial statements, with no revenue to offset the escalating clinical trial costs.
The FCF trajectory is clearly negative and accelerating, with the quarterly burn more than doubling over the ten-quarter period. This aligns with the initiation of pivotal FOCUS trials, which typically require significant upfront investment in patient recruitment and site activation. Given the pre-revenue status, the company's ability to sustain this burn without additional funding is a key concern, as the current cash position may only cover a few quarters.
Minimal Capital Expenditure Intensity
Capital expenditures have been negligible, averaging under $0.3M per quarter, representing less than 1% of revenue in the only quarter with revenue, indicating a capital-light model focused on R&D outsourcing.
CapEx has remained consistently low, ranging from $22K to $1.1M per quarter, which is typical for a clinical-stage biotech that outsources manufacturing and relies on CROs. This suggests that the company's cash burn is driven almost entirely by operating expenses, particularly R&D, rather than fixed asset investments. The low capital intensity provides flexibility but also underscores the reliance on external partners for trial execution.
Working Capital Swings Reflect Trial Timing
Working capital changes have been volatile, ranging from -$3.4M to +$8.5M, with the latest quarter showing a $8.5M inflow, as per quarterly data, likely due to timing of payables and accrued expenses.
The working capital adjustments are inconsistent, with positive changes in some quarters (e.g., 2026Q2, 2025Q4) and negative in others (e.g., 2025Q2, 2024Q1). This volatility is typical for clinical-stage companies where trial-related payables and prepayments can cause lumpy cash flows. The positive $8.5M in 2026Q2 may indicate delayed payments to vendors, which could reverse in subsequent quarters, adding to cash flow uncertainty.
No Capital Returns, All Cash to R&D
No dividends or significant buybacks were made over the last ten quarters, with only negligible buyback amounts in 2026Q1 and 2025Q1, as reported in filings, confirming all cash is directed toward operations.
Capital deployment is entirely focused on funding R&D and clinical development, with zero dividends and minimal share repurchases. The negligible buybacks (under $5K) are likely rounding errors or token amounts, indicating no intention to return capital to shareholders. This is consistent with a pre-revenue company in a growth phase, where preserving cash for trial milestones is paramount.
Cumulative Losses Exceed Cash Burn
Over the last ten quarters, cumulative net losses totaled $266.3M versus cumulative operating cash outflows of $206.9M, a $59.4M gap, as per financial statements, highlighting non-cash charges.
The cumulative gap between net income and operating cash flow is significant, with non-cash items like stock-based compensation (totaling $43.1M) and depreciation/amortization ($2.2M) explaining most of the difference. This suggests that while the company is burning cash at a rapid pace, the reported losses overstate the immediate cash drain. However, the gap is narrowing as SBC becomes a smaller proportion of total expenses, implying that future cash burn may more closely track net losses.
What Could Invalidate the Base Case
The cash flow statement obscures the full cost of stock-based compensation and potential off-balance-sheet commitments, which may understate the true economic burn, as per reported figures.
While SBC is a non-cash charge, it represents real dilution to existing shareholders, and the company's reliance on equity funding suggests that future cash needs may be met through additional share issuance, further diluting ownership. Additionally, the low CapEx may not capture future manufacturing or commercialization investments if RAP-219 succeeds, which could significantly increase cash requirements. Investors should also consider that the reported cash position of $52.6M (pre-IPO) may not reflect post-IPO proceeds, and the actual runway could be longer than implied by current burn rates.