HENDERSON MICHAEL THOMAS

PrivateCIK: 1779990
Location

PALO ALTO, CA

Senior insider sale

Chief Executive Officer at APOGEE THERAPEUTICS, INC. — senior position signals high conviction

$9.97M

140K shares

What this filing means

HENDERSON MICHAEL THOMAS plans to sell 140K shares of APOGEE THERAPEUTICS, INC. valued at approximately $9.97M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderHENDERSON MICHAEL THOMASCIK 1779990
IssuerAPOGEE THERAPEUTICS, INC.CIK 1974640
DirectorOfficer· Chief Executive Officer
Since Feb 2026
140K
Shares to sell
$9.97M
Approx. market value
60K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months1
Sort

RSU VESTING PER FOLLOWING DATES: 06/02/23 thru 12/14/23

NA

6/2/2023
60K
Total acquired60K
Planned & Completed Dispositions4
Sort

Completed

Completed

Units to sell

20K

Market value

$1.62M

1/14/2026
Completed

Units to sell

20K

Market value

$1.51M

12/10/2025
Completed

Units to sell

40K

Market value

$3.00M

12/4/2025

Planned — Approximate Date

NASDAQPlanned

Units to sell

60K

Market value

$3.84M

2/11/2026
Total

Units

140K

Value

$9.97M

HENDERSON MICHAEL THOMAS — Planned Insider Sale (Form 144) | Finecho