Syndax Pharmaceuticals, Inc. SNDX NASDAQ

NASDAQ Global Select • Healthcare • Biotechnology • US • USD

SharesGrow Score

52/100

2/7 Pass

SharesGrow Intrinsic Value

Syndax Pharmaceuticals, Inc. (SNDX) has 20 known insider and institutional holders on record. The largest holder is ROYSTON IVOR with 625,545 shares. Other notable holders include Metzger Michael A and Podlesak Dennis.

Over the last 12 months, insiders have made 27 transactions in SNDX stock — 16 buys (valued at $1.98M) and 8 sells (valued at $1.28M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

SNDX Insider Ownership

Top Holder

ROYSTON IVOR

625,545 shares

Buys (12 mo)

$1.98M value

Sells (12 mo)

$1.28M value

12-Month Transaction Activity

Buy 59%

Sell 30%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Royston Ivor	Officer	625,545	2017-03-22	100%
2	Metzger Michael A	Chief Executive Officer	491,690	2026-02-10	79%
3	Podlesak Dennis	Director	239,763	2026-02-06	38%
4	Sabus Steve M	Chief Commercial Officer	220,000	2022-12-05	35%
5	Goldan Keith A.	Chief Financial Officer	140,429	2026-02-10	22%
6	Katkin Keith	Director	124,000	2026-02-06	20%
7	Jarrett Jennifer	Director	114,000	2026-02-06	18%
8	Legault Pierre	Director	114,000	2026-02-06	18%
9	Madigan Catherine	Officer	110,000	2023-02-03	18%
10	Huber Martin H. Jr.	Director	103,000	2026-02-06	16%
11	Karydas Daphne	Officer	95,000	2021-02-05	15%
12	Meury William	Director	90,000	2025-02-07	14%
13	Gallagher Neil	President, Head of R&d	85,095	2025-02-12	14%
14	Bvf Partners L P/il	10 Percent Owner	85,038	2018-06-20	14%
15	Botwood Nicholas A.j.	Head of R&d, CMO	59,165	2026-02-06	9%
16	Rizo Aleksandra	Director	49,000	2026-02-06	8%
17	Morrison Briggs	Director	34,836	2024-02-09	6%
18	Egros Fabrice	Officer	32,000	2022-02-03	5%
19	Meyers Michael L.	Officer	23,280	2022-02-03	4%
20	Nolte Alexander	Officer	17,000	2023-02-03	3%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-02-09	Metzger Michael A	Chief Executive Officer	Informative Sell	17,159	$21.03	$360.82K
2026-02-09	Goldan Keith A.	Chief Financial Officer	Informative Sell	3,410	$21.03	$71.71K
2026-02-04	Botwood Nicholas A.j.	Head of R&d, CMO	RSU Award	24,000	-	-
2026-02-04	Rizo Aleksandra	Director	RSU Award	24,000	-	-
2026-02-04	Jarrett Jennifer	Director	RSU Award	24,000	-	-
2026-02-04	Huber Martin H. Jr.	Director	RSU Award	24,000	-	-
2026-02-06	Metzger Michael A	Chief Executive Officer	Informative Sell	7,412	$20.62	$152.84K
2026-02-04	Metzger Michael A	Chief Executive Officer	RSU Award	73,000	-	-
2026-02-06	Goldan Keith A.	Chief Financial Officer	Informative Sell	2,082	$20.62	$42.93K
2026-02-04	Goldan Keith A.	Chief Financial Officer	RSU Award	21,500	-	-
2026-01-30	Goldan Keith A.	Chief Financial Officer	Other (Buy)	1,219	$8.48	$10.34K
2026-02-04	Legault Pierre	Director	RSU Award	24,000	-	-
2026-02-04	Katkin Keith	Director	RSU Award	24,000	-	-
2026-02-04	Podlesak Dennis	Director	RSU Award	48,000	-	-
2025-12-01	Goldan Keith A.	Chief Financial Officer	Gift (Given)	1,224	-	-
2025-09-08	Metzger Michael A	Chief Executive Officer	Option Exercise	157,307	$10.90	$1.71M
2025-08-18	Podlesak Dennis	Director	Option Exercise (Sell)	19,200	$7.20	$138.24K
2025-08-15	Podlesak Dennis	Director	Informative Sell	19,200	$15.54	$298.41K
2025-08-14	Podlesak Dennis	Director	Informative Sell	19,200	$14.19	$272.52K
2025-07-31	Goldan Keith A.	Chief Financial Officer	Other (Buy)	1,226	$8.43	$10.34K
2025-07-16	Metzger Michael A	Chief Executive Officer	Informative Sell	7,534	$9.29	$69.95K
2025-07-16	Goldan Keith A.	Chief Financial Officer	Informative Sell	1,296	$9.29	$12.03K
2025-05-16	Botwood Nicholas A.j.	Head of R&d, CMO	Informative Buy	11,765	$9.00	$105.83K
2025-05-19	Huber Martin H. Jr.	Director	Informative Buy	5,000	$8.99	$44.95K
2025-05-19	Goldan Keith A.	Chief Financial Officer	Informative Buy	3,000	-	-