HENDERSON MICHAEL THOMAS

PrivateCIK: 1779990
Location

PALO ALTO, CA

Senior insider sale

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

$15.56M

140K shares

What this filing means

HENDERSON MICHAEL THOMAS plans to sell 140K shares of APOGEE THERAPEUTICS, INC. valued at approximately $15.56M. 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
$15.56M
Approx. market value
80K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months1
Sort

VESTING RSU's

NA

5/2/2023
80K
Total acquired80K
Planned & Completed Dispositions4
Sort

Completed

Completed

Units to sell

20K

Market value

$1.67M

6/10/2026
Completed

Units to sell

20K

Market value

$1.64M

5/13/2026
Completed

Units to sell

20K

Market value

$1.65M

4/8/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

80K

Market value

$10.60M

6/22/2026
Total

Units

140K

Value

$15.56M

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