# Upstream Bio, Inc. (UPB) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/upb

> 5 non-derivative transactions: 0 purchases, 5 sales ($28K). CIK 2022626.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-09-16 | Ambrose Allison | Officer | S | 485.0 | 5.49 | 15563.0 | https://www.sec.gov/Archives/edgar/data/2022626/000119312526394318/0001193125-26-394318-index.htm |
| 2026-09-16 | GRAY MICHAEL | Officer | S | 853.0 | 5.49 | 27942.0 | https://www.sec.gov/Archives/edgar/data/2022626/000119312526394322/0001193125-26-394322-index.htm |
| 2026-09-16 | Houghton Adam | Officer | S | 700.0 | 5.49 | 22901.0 | https://www.sec.gov/Archives/edgar/data/2022626/000119312526394324/0001193125-26-394324-index.htm |
| 2026-09-16 | Sutherland Everett Rand | Director, Officer | S | 2095.0 | 5.49 | 68717.0 | https://www.sec.gov/Archives/edgar/data/2022626/000119312526394325/0001193125-26-394325-index.htm |
| 2026-09-16 | Deykin Aaron | Officer | S | 895.0 | 5.49 | 32302.0 | https://www.sec.gov/Archives/edgar/data/2022626/000119312526394330/0001193125-26-394330-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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