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UPB

Upstream Bio, Inc.

UPB Nasdaq Pharmaceutical Preparations EDGAR ↗

$6.42

-0.15 -2.28%

Key statistics

from XBRL data in SEC filings

Market cap

$349M

Revenue (TTM)

$3.32M

Net income (TTM)

-$157M

EPS (TTM)

$-2.90

P/E ratio

—

Dividend yield

—

Free cash flow

-$133M

Cash

$96.7M

Total assets

$318M

Gross margin

—

52-week range

$5.85 – $33.68

Recent SEC filings

40 most recent

Annual, quarterly & current reports

8-K Shareholder vote results Jun 10, 2026 10-Q Quarter ended 2026-03-31 May 13, 2026 8-K Results of operations (earnings release) May 13, 2026 8-K Entered a material agreement Mar 26, 2026 10-K Fiscal year ended 2025-12-31 Mar 26, 2026 8-K Results of operations (earnings release) Mar 26, 2026 8-K Results of operations (earnings release); Regulation FD disclosure Feb 11, 2026 8-K Regulation FD disclosure; Other events Feb 11, 2026 10-Q Quarter ended 2025-09-30 Nov 5, 2025 8-K Results of operations (earnings release) Nov 5, 2025 8-K Regulation FD disclosure; Other events Sep 2, 2025 10-Q Quarter ended 2025-06-30 Aug 6, 2025 8-K Results of operations (earnings release) Aug 6, 2025 8-K Shareholder vote results Jun 12, 2025 10-Q Quarter ended 2025-03-31 May 6, 2025 8-K Results of operations (earnings release) May 6, 2025 10-K Fiscal year ended 2024-12-31 Mar 12, 2025 8-K Results of operations (earnings release) Mar 12, 2025 10-Q Quarter ended 2024-09-30 Nov 7, 2024 8-K Results of operations (earnings release) Nov 7, 2024 8-K Amended charter or bylaws Oct 15, 2024

Other filings

SCHEDULE 13G Jul 30, 2026 4 Jun 17, 2026 4 Jun 17, 2026 4 Jun 17, 2026 4 Jun 17, 2026 4 Jun 17, 2026 4 Jun 11, 2026 4 Jun 11, 2026 4 Jun 11, 2026 4 Jun 11, 2026 4 Jun 11, 2026 4 Jun 11, 2026 SCHEDULE 13G/A May 15, 2026 ARS Apr 16, 2026 DEFA14A Apr 16, 2026 DEF 14A Apr 16, 2026 424B5 Mar 26, 2026 S-8 Mar 26, 2026 4 Mar 17, 2026