DEYKIN AARON

PrivateCIK: 2031693
Location

WALTHAM, MA

DEYKIN AARON (Chief Medical Officer) received a stock award from UPSTREAM BIO, INC.

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

A · 1 award
InsiderDEYKIN AARONCIK 2031693
IssuerUPSTREAM BIO, INC.CIK 2022626
Officer· Chief Medical Officer
Since Oct 2024
+128K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
128K acquired
Non-Derivative Transactions1

Common Stock

Direct
A · Award

Shares

+32K

Price / share

Trade value

% of position

2024.0%
1/2/2026
1.58K33.58K
Total

Net shares

+32K

Net value

$0.00

Derivative Transactions1

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

96K shares

Shares

+96K

Strike price

27.07

Held after

96K

Exercisable

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