METZGER MICHAEL A

PrivateCIK: 1507220
Location

WALTHAM, MA

Senior insider sale

President and COO at SYNDAX PHARMACEUTICALS INC — senior position signals high conviction

$2.75M

164.84K shares

What this filing means

METZGER MICHAEL A plans to sell 164.84K shares of SYNDAX PHARMACEUTICALS INC valued at approximately $2.75M. 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.

InsiderMETZGER MICHAEL ACIK 1507220
Officer· President and COO
Since Feb 2019
164.84K
Shares to sell
$2.75M
Approx. market value
157.31K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
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Exercise of Stock Options

Cash

9/8/2025
157.31K
Total acquired157.31K
Planned & Completed Dispositions2
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Completed

Completed

Units to sell

7.53K

Market value

$70.0K

7/16/2025

Planned — Approximate Date

NASDAQPlanned

Units to sell

157.31K

Market value

$2.68M

9/8/2025
Total

Units

164.84K

Value

$2.75M

METZGER MICHAEL A — Planned Insider Sale (Form 144) | Finecho