Gossamer Bio, Inc.
For the period ended Sep 30, 2026. Filed Nov 10, 2026.
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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Sep 30, 2026 · Filed Nov 10, 2026
GOSS$11.28+6.0%Stored close · as of Nov 10, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
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Condensed Consolidated Statements of Cash Flows
(in thousands)
| Nine months ended September 30, | ||
|---|---|---|
| 2026 | 2025 | |
| Cash flows from operating activities | ||
| Net loss | $(77,836) | $(123,132) |
| Adjustments to reconcile net loss to net cash used in operating activities: | ||
| Depreciation expense | 13 | 18 |
| Stock-based compensation expense | 12,558 | 7,657 |
| Amortization of operating lease right-of-use assets | 697 | 757 |
| In process research and development expenses | 2,771 | 7,476 |
| Amortization and expense of debt discount and issuance costs | 6,215 | 734 |
| Amortization of premium on marketable securities, net of accretion of discounts | (1,072) | (6,196) |
| Warrant issuance costs | 2,160 | — |
| Change in warrant liability | 54,929 | — |
| Change in derivative liability | (9,682) | — |
| Gain on debt extinguishment | (43,846) | — |
| Changes in operating assets and liabilities: | ||
| Receivable from contracts with collaborators | 9,781 | (3,905) |
| Prepaid expenses and other current assets | 9,248 | (4,490) |
| Other assets | (16) | (124) |
| Operating lease liabilities | (697) | (739) |
| Accounts payable | (3,130) | (7,569) |
| Accrued expenses and other current liabilities | (5,432) | 1,671 |
| Accrued research and development expenses | (13,580) | 7,281 |
| Accrued compensation and benefits | (2,259) | (25) |
| Contract liabilities | (49,593) | (4,866) |
| Accrued interest expense | 1,047 | 2,500 |
| Net cash used in operating activities | (107,724) | (122,952) |
| Cash flows from investing activities | ||
| Purchase of marketable securities | (24,994) | (206,119) |
| Maturities of marketable securities | 125,200 | 289,400 |
| Purchase of property and equipment | — | (79) |
| Net cash provided by investing activities | 100,206 | 83,202 |
| Cash flows from financing activities | ||
| Proceeds from issuance of warrants in a private offering, net | 23,653 | — |
| Payment of debt issuance costs in connection with the exchange of the 2027 Notes | (1,963) | — |
| Payment of equity issuance costs in connection with the exchange of the 2027 Notes | (1,181) | — |
| Proceeds from issuance of common stock pursuant to Employee Stock Purchase Plan | 358 | 841 |
| Proceeds from the exercise of stock options | 220 | 691 |
| Proceeds from the exercise of warrants | — | 938 |
| Net cash provided by financing activities | 21,087 | 2,470 |
| Effect of exchange rate changes on cash and cash equivalents | (112) | 139 |
| Net increase (decrease) in cash and cash equivalents | 13,457 | (37,141) |
| Cash and cash equivalents, at the beginning of the period | 37,732 | 46,074 |
| Cash and cash equivalents, at the end of the period | $51,189 | $8,933 |
| Supplemental disclosure of cash flow information: | ||
| Cash paid for interest | $5,075 | $5,000 |
| Nine months ended September 30, | ||
|---|---|---|
| 2026 | 2025 | |
| Supplemental disclosure of noncash investing and financing activities: | ||
| Unpaid debt issuance costs in connection with the exchange of the 2027 Notes | $3,645 | $— |
| Unpaid equity issuance costs in connection with the exchange of the 2027 Notes | $2,193 | $— |
| Issuance of common stock in connection with the exchange of 2027 Notes | $45,239 | $— |
| Issuance of a derivative in connection with the exchange of 2027 Notes | $47,051 | $— |
| Issuance of prefunded warrants in connection with the exchange of 2027 Notes | $5,936 | $— |
| Issuance of purchase warrants in connection with the exchange of 2027 Notes | $19,893 | $— |
| Issuance of 2030 Notes in connection with the exchange of 2027 Notes | $18,123 | $— |
| Reclassification of noncurrent to current 2027 Notes | 18,847 | $— |
| Change in unrealized loss on marketable securities, net | $(68) | $(68) |
| Reclassification of Purchase Warrants liability to additional paid in capital | $15,330 | $— |
| Unpaid offering costs in connection with the August 2026 private placement | $813 | $— |
The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.