METZGER MICHAEL A

PrivateCIK: 1507220
Location

WALTHAM, MA

METZGER MICHAEL A (President and COO) sold 1.4% of their position (7.41K shares) of SYNDAX PHARMACEUTICALS INC on the open market

Open‑market sale worth $152.8K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderMETZGER MICHAEL ACIK 1507220
Officer· President and COO
Since Feb 2019
+650.19K
Net shares
Net buyer
$152.8K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
657.60K acquired · 7.41K disposed
Non-Derivative Transactions3

Common Stock

Direct
A · Award

Shares

+73K

Price / share

Trade value

% of position

24.4%
2/4/2026
298.66K371.66K

Common Stock

Direct
A · Award

Shares

+144.60K

Price / share

Trade value

% of position

38.9%
2/4/2026
371.66K516.26K

Common Stock

Direct
S · Sale

Shares

7.41K

Price / share

$20.62

Trade value

$152.84K

% of position

1.4%
2/6/2026
516.26K508.85K
Total

Net shares

+210.19K

Net value

-$152.84K

Derivative Transactions1

Stock Options (Right to buy)

Direct
A · Award
Converts to

Common Stock

440K shares

Shares

+440K

Strike price

20.43

Held after

440K

Exercisable

2/4/2026
METZGER MICHAEL A — Insider Transaction (Form 4) Filed Feb 6, 2026 | Finecho