Insider · CIK 0002031693
Aaron Deykin
Files at: UPB. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 SForm 4 → | Sep 17, 4:05 pm EDT | Upstream Bio, Inc.UPB | 895 | $5.49 | $4,914 | 32,302 | −2.70% | |
| Jun 16, 2026 SForm 4 → | Jun 17, 4:05 pm EDT | Upstream Bio, Inc.UPB | 895 | $6.10 | $5,460 | 33,197 | −2.63% |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.