HENDERSON MICHAEL THOMAS

PrivateCIK: 1779990
Location

PALO ALTO, CA

HENDERSON MICHAEL THOMAS (Chief Executive Officer) sold 1.7% of their position (20K shares) of APOGEE THERAPEUTICS, INC. on the open market

Open‑market sale worth $1.50M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderHENDERSON MICHAEL THOMASCIK 1779990
IssuerAPOGEE THERAPEUTICS, INC.CIK 1974640
DirectorOfficer· Chief Executive Officer
Since Feb 2026
-20K
Net shares
Net seller
$1.50M
Total sold
3
Open market trades
0B · 3S
3
Total transactions
20K disposed
Non-Derivative Transactions3

Common Stock

Direct
S · Sale

Shares

8.36K

Price / share

$74.29

Trade value

$621.29K

% of position

0.7%
3/11/2026
1.17M1.16M

Common Stock

Direct
S · Sale

Shares

8.22K

Price / share

$74.83

Trade value

$615.03K

% of position

0.7%
3/11/2026
1.16M1.16M

Common Stock

Direct
S · Sale

Shares

3.42K

Price / share

$75.86

Trade value

$259.29K

% of position

0.3%
3/11/2026
1.16M1.15M
Total

Net shares

20K

Net value

-$1.50M

Derivative Transactions0
No derivative transactions reported
HENDERSON MICHAEL THOMAS — Insider Transaction (Form 4) Filed Mar 13, 2026 | Finecho