DEYKIN AARON

PrivateCIK: 2031693
Location

WALTHAM, MA

DEYKIN AARON (Chief Medical Officer) sold 2.6% of their position (895.00 shares) of UPSTREAM BIO, INC. on the open market

Open‑market sale worth $5.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderDEYKIN AARONCIK 2031693
IssuerUPSTREAM BIO, INC.CIK 2022626
Officer· Chief Medical Officer
Since Oct 2024
-895.00
Net shares
Net seller
$5.5K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
895.00 disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

895.00

Price / share

$6.10

Trade value

$5.46K

% of position

2.6%
6/16/2026
34.09K33.20K
Total

Net shares

895.00

Net value

-$5.46K

Derivative Transactions0
No derivative transactions reported
DEYKIN AARON — Insider Transaction (Form 4) Filed Jun 17, 2026 | Finecho