AMBROSE ALLISON (General Counsel) sold 2.9% of their position (477.00 shares) of UPSTREAM BIO, INC. on the open market
Open‑market sale worth $2.9K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 6/17/2026ACC: 0001193125-26-274119
Officer· General Counsel
Since Dec 2024
-477.00
Net shares
Net seller
$2.9K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
477.00 disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−477.00
Price / share
$6.10
Trade value
$2.91K
% of position
2.9%
6/16/2026
16.52K→16.05K
Total
Net shares
−477.00
Net value
-$2.91K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 6/16/2026 | S · Sale | −477.00 | $6.10 | $2.91K | 2.9% | 16.52K | 16.05K |
| Total | −477.00 | -$2.91K | ||||||
Derivative Transactions0
No derivative transactions reported