HOUGHTON ADAM (Chief Business Officer) sold 2.9% of their position (700.00 shares) of UPSTREAM BIO, INC. on the open market
Open‑market sale worth $4.3K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 6/17/2026ACC: 0001193125-26-274122
Officer· Chief Business Officer
Since Oct 2024
-700.00
Net shares
Net seller
$4.3K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
700.00 disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−700.00
Price / share
$6.10
Trade value
$4.27K
% of position
2.9%
6/16/2026
24.30K→23.60K
Total
Net shares
−700.00
Net value
-$4.27K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 6/16/2026 | S · Sale | −700.00 | $6.10 | $4.27K | 2.9% | 24.30K | 23.60K |
| Total | −700.00 | -$4.27K | ||||||
Derivative Transactions0
No derivative transactions reported