SNDX

Healthcare

Syndax Pharmaceuticals, Inc.

$23.38-0.61 (-2.56%)

Prev Close

$23.99

Open

$24.24

High

$24.43

Low

$23.00

Volume

1.29M

Market Cap

$2.12B

P/E

—

Div Yield

—

Over the past 12 months, insider activity at Syndax Pharmaceuticals, Inc. (SNDX) has been dominated by selling, with 3 insider purchases totaling $241.9K and 12 insider sales totaling $4.80M. The most recent insider transaction was by Goldan Keith A. (officer: Chief Financial Officer), who sold $71.7K worth of shares on Feb 10, 2026. Syndax Pharmaceuticals, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $2.12B.

Buys (12M)

$241.9K

Sells (12M)

$4.80M

Net Activity

Net Seller

$4.55M

Active Insiders

last 12 mo

SNDX Price Chart

SNDX Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Feb 10, 2026↗	Goldan Keith A.	officer: Chief Financial Officer	Sell	3,410	$21.03	$71.7K	140,429
Feb 10, 2026↗	Metzger Michael A	director, officer: Chief Executive Officer	Sell	17,159	$21.03	$360.8K	491,690
Feb 9, 2026↗	Goldan Keith A.	Chief Financial Officer	Sell	3,410	$21.03	$71.7K	0
Feb 9, 2026↗	Metzger Michael A	Chief Executive Officer	Sell	17,159	$21.03	$360.8K	0
Feb 6, 2026↗	Goldan Keith A.	officer: Chief Financial Officer	Sell	2,082	$20.62	$42.9K	143,839
Feb 6, 2026↗	Metzger Michael A	director, officer: Chief Executive Officer	Sell	7,412	$20.62	$152.8K	508,849
Feb 4, 2026↗	Goldan Keith A.	Chief Financial Officer	Sell	2,082	$20.62	$42.9K	0
Feb 4, 2026↗	Metzger Michael A	Chief Executive Officer	Sell	7,412	$20.62	$152.8K	0
Sep 8, 2025↗	Metzger Michael A	Chief Executive Officer	Sell	157,307	$16.41	$2.58M	0
Aug 14, 2025↗	Podlesak Dennis	Director	Sell	57,600	$15.19	$875.1K	0
Jul 16, 2025↗	Goldan Keith A.	Chief Financial Officer	Sell	1,296	$9.29	$12.0K	0
Jul 16, 2025↗	Metzger Michael A	Chief Executive Officer	Sell	7,534	$9.29	$70.0K	0
May 19, 2025↗	Huber Martin H. Jr.	Director	Buy	5,000	$8.99	$45.0K	0
May 19, 2025↗	Katkin Keith	Director	Buy	10,000	$9.11	$91.1K	0
May 16, 2025↗	Botwood Nicholas A.J.	Head of R&D, CMO	Buy	11,765	$8.99	$105.8K	0
Mar 4, 2025↗	Metzger Michael A	Chief Executive Officer	Sell	7,814	$15.05	$117.6K	0

SNDX Insider Buying Activity

The following table shows recent insider purchases of Syndax Pharmaceuticals, Inc. (SNDX) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value
May 19, 2025↗	Huber Martin H. Jr.	Director	Buy	5,000	$8.99	$45.0K
May 19, 2025↗	Katkin Keith	Director	Buy	10,000	$9.11	$91.1K
May 16, 2025↗	Botwood Nicholas A.J.	Head of R&D, CMO	Buy	11,765	$8.99	$105.8K

SNDX Insider Selling Activity

The following table shows recent insider sales of Syndax Pharmaceuticals, Inc. (SNDX) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Feb 10, 2026↗	Goldan Keith A.	officer: Chief Financial Officer	Sell	3,410	$21.03	$71.7K	140,429
Feb 10, 2026↗	Metzger Michael A	director, officer: Chief Executive Officer	Sell	17,159	$21.03	$360.8K	491,690
Feb 9, 2026↗	Goldan Keith A.	Chief Financial Officer	Sell	3,410	$21.03	$71.7K	0
Feb 9, 2026↗	Metzger Michael A	Chief Executive Officer	Sell	17,159	$21.03	$360.8K	0
Feb 6, 2026↗	Goldan Keith A.	officer: Chief Financial Officer	Sell	2,082	$20.62	$42.9K	143,839
Feb 6, 2026↗	Metzger Michael A	director, officer: Chief Executive Officer	Sell	7,412	$20.62	$152.8K	508,849
Feb 4, 2026↗	Goldan Keith A.	Chief Financial Officer	Sell	2,082	$20.62	$42.9K	0
Feb 4, 2026↗	Metzger Michael A	Chief Executive Officer	Sell	7,412	$20.62	$152.8K	0
Sep 8, 2025↗	Metzger Michael A	Chief Executive Officer	Sell	157,307	$16.41	$2.58M	0
Aug 14, 2025↗	Podlesak Dennis	Director	Sell	57,600	$15.19	$875.1K	0
Jul 16, 2025↗	Goldan Keith A.	Chief Financial Officer	Sell	1,296	$9.29	$12.0K	0
Jul 16, 2025↗	Metzger Michael A	Chief Executive Officer	Sell	7,534	$9.29	$70.0K	0
Mar 4, 2025↗	Metzger Michael A	Chief Executive Officer	Sell	7,814	$15.05	$117.6K	0