Deykin Aaron (CIK 2031693) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-17). Recent activity: Sell UPB (895 shares), Sell UPB (895 shares), Sell UPB (894 shares), Buy UPB (32,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-17 | Upstream Bio, Inc. (UPB) | Chief Medical Officer | Sell | 895 | $4,914 |
| 2026-06-17 | Upstream Bio, Inc. (UPB) | Chief Medical Officer | Sell | 895 | $5,460 |
| 2026-03-17 | Upstream Bio, Inc. (UPB) | Chief Medical Officer | Sell | 894 | $8,305 |
| 2026-01-06 | Upstream Bio, Inc. (UPB) | Chief Medical Officer | Buy | 32,000 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-17