AMBROSE ALLISON

PrivateCIK: 2047381
Location

WALTHAM, MA

AMBROSE ALLISON (General Counsel) received a stock award from UPSTREAM BIO, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award
InsiderAMBROSE ALLISONCIK 2047381
IssuerUPSTREAM BIO, INC.CIK 2022626
Officer· General Counsel
Since Dec 2024
+68K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
68K acquired
Non-Derivative Transactions1

Common Stock

Direct
A · Award

Shares

+17K

Price / share

Trade value

% of position

New position
1/2/2026
0.0017K
Total

Net shares

+17K

Net value

$0.00

Derivative Transactions1

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

51K shares

Shares

+51K

Strike price

27.07

Held after

51K

Exercisable

1/2/2026
AMBROSE ALLISON — Insider Transaction (Form 4) Filed Jan 6, 2026 | Finecho