Upstream Bio, Inc.
For the period ended Mar 31, 2026. Filed May 13, 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.
Mar 31, 2026 · Filed May 13, 2026
UPB$3.58+10.8%Stored close · as of Nov 9, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
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Condensed Consolidated Balance Sheets
(Amounts in thousands, except share and per share amounts)
| March 31, | December 31, | |
|---|---|---|
| 2026 | 2025 | |
| Assets | ||
| Current assets: | ||
| Cash and cash equivalents | $96,724 | $101,578 |
| Short-term investments | 197,855 | 239,931 |
| Accounts receivable | 1,034 | 668 |
| Prepaid expenses and other current assets | 20,666 | 9,620 |
| Total current assets | 316,279 | 351,797 |
| Property and equipment, net | 510 | 559 |
| Operating lease right-of-use assets | 1,071 | 1,222 |
| Restricted cash | 194 | 194 |
| Total assets | $318,054 | $353,772 |
| Liabilities and Stockholders’ Equity | ||
| Current liabilities: | ||
| Accounts payable | $1,710 | $2,726 |
| Accrued expenses and other current liabilities | 11,235 | 10,006 |
| Operating lease liabilities, current portion | 724 | 720 |
| Total current liabilities | 13,669 | 13,452 |
| Operating lease liabilities, net of current portion | 390 | 549 |
| Total liabilities | 14,059 | 14,001 |
| Commitments and contingencies (Note 12) | ||
| Stockholders’ equity: | ||
| Preferred stock, $0.001 par value; 10,000,000 shares authorized at March 31, 2026 and December 31, 2025; no shares issued and outstanding at March 31, 2026 and December 31, 2025 | — | — |
| Common stock, $0.001 par value; 500,000,000 shares authorized at March 31, 2026 and December 31, 2025; 54,419,986 and 54,237,750 shares issued and outstanding at March 31, 2026 and December 31, 2025, respectively | 54 | 54 |
| Additional paid-in capital | 678,655 | 673,410 |
| Accumulated other comprehensive income | 100 | 530 |
| Accumulated deficit | (374,814) | (334,223) |
| Total stockholders’ equity | 303,995 | 339,771 |
| Total liabilities and stockholders’ equity | $318,054 | $353,772 |
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