AMBROSE ALLISON (General Counsel) sold 2.8% of their position (475.00 shares) of UPSTREAM BIO, INC. on the open market
Open‑market sale worth $4.4K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 3/17/2026ACC: 0001193125-26-111121
Officer· General Counsel
Since Dec 2024
-475.00
Net shares
Net seller
$4.4K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
475.00 disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−475.00
Price / share
$9.29
Trade value
$4.41K
% of position
2.8%
3/16/2026
17K→16.52K
Total
Net shares
−475.00
Net value
-$4.41K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/16/2026 | S · Sale | −475.00 | $9.29 | $4.41K | 2.8% | 17K | 16.52K |
| Total | −475.00 | -$4.41K | ||||||
Derivative Transactions0
No derivative transactions reported