HENDERSON MICHAEL THOMAS

PrivateCIK: 1779990
Location

PALO ALTO, CA

HENDERSON MICHAEL THOMAS (Chief Executive Officer) sold 7.3% of their position (80K shares) of APOGEE THERAPEUTICS, INC. on the open market

Open‑market sale worth $10.60M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderHENDERSON MICHAEL THOMASCIK 1779990
IssuerAPOGEE THERAPEUTICS, INC.CIK 1974640
DirectorOfficer· Chief Executive Officer
Since Feb 2026
-80K
Net shares
Net seller
$10.60M
Total sold
1
Open market trades
0B · 1S
1
Total transactions
80K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

80K

Price / share

$132.54

Trade value

$10.60M

% of position

7.3%
6/22/2026
1.10M1.02M
Total

Net shares

80K

Net value

-$10.60M

Derivative Transactions0
No derivative transactions reported