AMBROSE ALLISON (General Counsel) sold 3.0% of their position (485.00 shares) of UPSTREAM BIO, INC. on the open market
Open‑market sale worth $2.7K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 9/17/2026ACC: 0001193125-26-394318
Officer· General Counsel
Since Dec 2024
-485.00
Net shares
Net seller
$2.7K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
485.00 disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−485.00
Price / share
$5.49
Trade value
$2.66K
% of position
3.0%
9/16/2026
16.05K→15.56K
Total
Net shares
−485.00
Net value
-$2.66K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 9/16/2026 | S · Sale | −485.00 | $5.49 | $2.66K | 3.0% | 16.05K | 15.56K |
| Total | −485.00 | -$2.66K | ||||||
Derivative Transactions0
No derivative transactions reported