Allison Ambrose's most recent trade in Upstream Bio Inc. was a trade of 51,000 Stock Option (Right to Buy) done . Disclosure was reported to the exchange on Jan. 2, 2026.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Upstream Bio Inc | Allison Ambrose | General Counsel | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Jan 2026 | 51,000 | 51,000 | - | - | Stock Option (Right to Buy) | |
| Upstream Bio Inc | Allison Ambrose | General Counsel | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 02 Jan 2026 | 17,000 | 17,000 | - | 0 | Common Stock | |
| Upstream Bio Inc | Allison Ambrose | General Counsel | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Feb 2025 | 25,000 | 25,000 | - | - | Stock Option (Right to Buy) | |
| Upstream Bio Inc | Allison Ambrose | General Counsel | 16 Dec 2024 | 100,000 | 100,000 | - | - | Stock Option (Right to Buy) |