SNDX Insider Trading

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Insider Trading History
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Insider Ownership Percentage: 4.10%

Insider Buying (Last 12 Months): $25,037.50

Insider Selling (Last 12 Months): $336,086.50

Syndax Pharmaceuticals Insider Trading History Chart

Syndax Pharmaceuticals Share Price & Price History

^$9.28

▼ -0.91 (-8.93%)

As of 05/14/2025 05:00 PM ET

Days: 30 | 90 | 365

Syndax Pharmaceuticals Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
2/10/2025	Keith A. Goldan	CFO	Sell	3,777	$15.50	$58,543.50	90,746
2/10/2025	Michael A. Metzger	CEO	Sell	13,288	$15.50	$205,964.00	300,121
2/10/2025	Neil Gallagher	Insider	Sell	4,618	$15.50	$71,579.00	85,095
6/14/2024	Keith A. Goldan	CFO	Buy	1,250	$20.03	$25,037.50	52,623
8/9/2023	Briggs Morrison	Director	Sell	52,855	$18.27	$965,660.85	17,836
8/2/2023	William Meury	Director	Sell	83,000	$20.46	$1,698,180.00	48,000
7/10/2023	Briggs Morrison	Director	Sell	52,855	$20.40	$1,078,242.00	17,836
6/13/2023	Keith A. Goldan	CFO	Sell	577	$22.31	$12,872.87	2,628
6/9/2023	Briggs Morrison	Director	Sell	52,855	$21.18	$1,119,468.90	17,836
5/9/2023	Briggs Morrison	Director	Sell	52,855	$21.41	$1,131,625.55	17,836
4/10/2023	Briggs Morrison	Director	Sell	52,855	$19.53	$1,032,258.15	17,836
3/13/2023	Briggs Morrison	Insider	Sell	52,854	$22.53	$1,190,800.62	17,836
2/15/2023	Peter Ordentlich	insider	Sell	25,000	$25.84	$646,000.00
2/6/2023	Briggs Morrison	Insider	Sell	52,854	$26.83	$1,418,072.82	17,836
2/6/2023	Michael A. Metzger	CEO	Sell	5,959	$27.64	$164,706.76	17,659
1/12/2023	Pierre Legault	Director	Sell	24,000	$26.74	$641,760.00	32,000
12/1/2022	Peter Ordentlich	Insider	Sell	7,800	$25.01	$195,078.00	265
10/6/2022	Keith Katkin	Director	Sell	29,899	$25.90	$774,384.10	32,000
10/6/2022	Michael A. Metzger	CEO	Sell	16,231	$25.29	$410,481.99	17,659
10/4/2022	Michael A. Metzger	CEO	Sell	1,280	$25.02	$32,025.60	17,659
10/3/2022	Keith Katkin	Director	Sell	180	$25.00	$4,500.00	32,000
9/30/2022	Keith Katkin	Director	Sell	3,561	$25.07	$89,274.27	32,000
9/30/2022	Michael A. Metzger	CEO	Sell	29,606	$25.02	$740,742.12	17,659
9/20/2022	Briggs Morrison	Insider	Sell	59,649	$23.25	$1,386,839.25	17,836
9/16/2022	Dennis Podlesak	Director	Sell	11,975	$23.43	$280,574.25	75,763
9/15/2022	Briggs Morrison	Insider	Sell	66,775	$24.20	$1,615,955.00	17,836
8/24/2022	Peter Ordentlich	Insider	Sell	25,000	$25.04	$626,000.00	265
7/25/2022	Michael A. Metzger	CEO	Sell	31,602	$21.06	$665,538.12	17,659
7/7/2022	Michael A. Metzger	CEO	Sell	100	$21.00	$2,100.00	17,659
7/1/2022	Briggs Morrison	Insider	Sell	62,292	$19.00	$1,183,548.00	17,836

See Full Table

SEC Filings (Institutional Ownership Changes) for Syndax Pharmaceuticals (NASDAQ:SNDX)

Institutional Buying and Selling by Quarter

Syndax Pharmaceuticals Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/14/2025	Ieq Capital LLC	59,210	$0.73M	0.0%	N/A	0.069%
5/14/2025	Rafferty Asset Management LLC	171,541	$2.11M	0.0%	-3.7%	0.199%
5/14/2025	Walleye Capital LLC	327,134	$4.02M	0.0%	-10.3%	0.380%
5/14/2025	AlphaQuest LLC	39,317	$0.48M	0.1%	+66.4%	0.046%
5/14/2025	Candriam S.C.A.	450,435	$5.53M	0.0%	-17.7%	0.523%
5/14/2025	Wellington Management Group LLP	35,962	$0.44M	0.0%	-99.2%	0.042%
5/13/2025	Northern Trust Corp	778,758	$9.57M	0.0%	-1.8%	0.905%
5/13/2025	Algert Global LLC	884,600	$10.87M	0.3%	+12.6%	1.028%
5/13/2025	Aberdeen Group plc	132,433	$1.63M	0.0%	+33.3%	0.154%
5/13/2025	E Fund Management Co. Ltd.	16,031	$0.20M	0.0%	+27.2%	0.019%
5/13/2025	Russell Investments Group Ltd.	117,613	$1.45M	0.0%	+305.3%	0.137%
5/12/2025	Nuveen LLC	224,153	$2.75M	0.0%	N/A	0.261%
5/12/2025	Aigen Investment Management LP	24,158	$0.30M	0.0%	N/A	0.028%
5/12/2025	Invesco Ltd.	76,848	$0.94M	0.0%	+49.7%	0.089%
5/9/2025	Deutsche Bank AG	204,732	$2.52M	0.0%	+127.7%	0.238%
5/9/2025	Charles Schwab Investment Management Inc.	689,693	$8.47M	0.0%	-2.1%	0.802%
5/9/2025	Vanguard Group Inc.	4,871,065	$59.84M	0.0%	-0.2%	5.661%
5/8/2025	Thornburg Investment Management Inc.	130,746	$1.61M	0.0%	+13.6%	0.152%
5/8/2025	XTX Topco Ltd	63,726	$0.78M	0.0%	N/A	0.074%
5/8/2025	GSA Capital Partners LLP	87,284	$1.07M	0.1%	+136.8%	0.101%
5/7/2025	Zurcher Kantonalbank Zurich Cantonalbank	13,260	$0.16M	0.0%	-26.3%	0.015%
5/6/2025	Universal Beteiligungs und Servicegesellschaft mbH	14,560	$0.18M	0.0%	N/A	0.017%
5/5/2025	Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance Group	200,000	$2.46M	1.3%	N/A	0.232%
5/2/2025	Sigma Planning Corp	16,985	$0.21M	0.0%	-4.5%	0.020%
5/1/2025	CWM LLC	23,374	$0.29M	0.0%	+795.2%	0.027%
4/30/2025	Cerity Partners LLC	24,048	$0.30M	0.0%	N/A	0.028%
4/30/2025	China Universal Asset Management Co. Ltd.	17,121	$0.21M	0.0%	-5.4%	0.020%
4/29/2025	Bank of New York Mellon Corp	229,758	$2.82M	0.0%	+2.5%	0.267%
4/28/2025	Teacher Retirement System of Texas	20,674	$0.25M	0.0%	-9.2%	0.024%
4/25/2025	KBC Group NV	5,180	$64K	0.0%	-25.5%	0.006%
4/16/2025	Wealth Enhancement Advisory Services LLC	13,172	$0.16M	0.0%	N/A	0.015%
4/15/2025	Assenagon Asset Management S.A.	2,039,987	$25.06M	0.0%	-1.2%	2.371%
4/8/2025	Rhumbline Advisers	120,810	$1.48M	0.0%	+6.5%	0.140%
3/24/2025	Wellington Management Group LLP	4,234,455	$55.98M	0.0%	-15.1%	4.922%
2/25/2025	Polar Asset Management Partners Inc.	84,998	$1.12M	0.0%	N/A	0.100%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	170,100	$2.25M	0.0%	+23.8%	0.199%
2/17/2025	Voloridge Investment Management LLC	79,071	$1.05M	0.0%	N/A	0.093%
2/17/2025	Woodline Partners LP	1,891,803	$25.01M	0.2%	-0.2%	2.216%
2/17/2025	Soleus Capital Management L.P.	2,492,000	$32.94M	2.1%	+128.4%	2.919%
2/17/2025	Twinbeech Capital LP	355,900	$4.71M	0.1%	+79.2%	0.417%
2/17/2025	Two Sigma Advisers LP	535,952	$7.09M	0.0%	-19.9%	0.628%
2/17/2025	Two Sigma Investments LP	669,823	$8.86M	0.0%	-24.4%	0.785%
2/17/2025	Tang Capital Management LLC	100,000	$1.32M	0.1%	N/A	0.117%
2/17/2025	Thornburg Investment Management Inc.	115,087	$1.52M	0.0%	-1.5%	0.135%
2/17/2025	Sphera Funds Management LTD.	1,381,241	$18.26M	3.3%	+33.5%	1.618%
2/17/2025	Rafferty Asset Management LLC	178,165	$2.36M	0.0%	+3.9%	0.209%
2/17/2025	Polar Asset Management Partners Inc.	84,998	$1.12M	0.0%	N/A	0.100%
2/17/2025	ProShare Advisors LLC	27,183	$0.36M	0.0%	+32.2%	0.032%
2/17/2025	Prosight Management LP	620,000	$8.20M	2.3%	+11.9%	0.726%
2/17/2025	Parkman Healthcare Partners LLC	526,973	$6.97M	0.9%	+3.7%	0.617%
2/17/2025	Man Group plc	121,539	$1.61M	0.0%	N/A	0.142%
2/17/2025	Nuveen Asset Management LLC	434,058	$5.74M	0.0%	-5.5%	0.509%
2/17/2025	Octagon Capital Advisors LP	904,000	$11.95M	2.0%	N/A	1.059%
2/17/2025	Millennium Management LLC	586,810	$7.76M	0.0%	-47.6%	0.687%
2/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	53,748	$0.71M	0.0%	+3.5%	0.063%
2/17/2025	Lazard Asset Management LLC	11,602	$0.15M	0.0%	N/A	0.014%
2/17/2025	Lion Point Capital LP	55,000	$0.73M	3.8%	+19.0%	0.064%
2/17/2025	Hudson Bay Capital Management LP	336,000	$4.44M	0.0%	-20.9%	0.394%
2/17/2025	Graham Capital Management L.P.	52,790	$0.70M	0.0%	-8.9%	0.062%
2/17/2025	Granahan Investment Management LLC	905,322	$11.97M	0.5%	+36.2%	1.061%
2/17/2025	Ensign Peak Advisors Inc	267,949	$3.54M	0.0%	-25.9%	0.314%
2/17/2025	Clearline Capital LP	34,177	$0.45M	0.1%	-19.0%	0.040%
2/17/2025	Deutsche Bank AG	89,904	$1.19M	0.0%	+35.7%	0.105%
2/17/2025	D. E. Shaw & Co. Inc.	184,117	$2.43M	0.0%	-47.7%	0.216%
2/17/2025	DAFNA Capital Management LLC	542,002	$7.17M	1.8%	+2.9%	0.635%
2/17/2025	Crestline Management LP	713,205	$9.43M	0.3%	+66.4%	0.836%
2/17/2025	Cubist Systematic Strategies LLC	358,071	$4.73M	0.0%	N/A	0.419%
2/17/2025	Brevan Howard Capital Management LP	14,071	$0.19M	0.0%	-38.0%	0.016%
2/17/2025	Avidity Partners Management LP	1,500,000	$19.83M	1.9%	-38.9%	1.757%
2/17/2025	Balyasny Asset Management L.P.	69,586	$0.92M	0.0%	-81.0%	0.082%
2/17/2025	Bayesian Capital Management LP	28,000	$0.37M	0.0%	N/A	0.033%
2/17/2025	Bank of America Corp DE	245,508	$3.25M	0.0%	-69.0%	0.288%
2/17/2025	BNP Paribas Financial Markets	259,245	$3.43M	0.0%	+1,128.7%	0.304%
2/17/2025	Ameriprise Financial Inc.	31,982	$0.42M	0.0%	-93.4%	0.037%
2/17/2025	Algert Global LLC	785,632	$10.39M	0.2%	+65.4%	0.920%
2/14/2025	Schonfeld Strategic Advisors LLC	20,657	$0.27M	0.0%	-89.0%	0.024%
2/14/2025	Nantahala Capital Management LLC	560,532	$7.41M	0.3%	+23.7%	0.657%
2/14/2025	Northern Trust Corp	792,750	$10.48M	0.0%	+7.5%	0.929%
2/14/2025	The Manufacturers Life Insurance Company	42,890	$0.57M	0.0%	-10.1%	0.050%
2/14/2025	Propel Bio Management LLC	183,259	$2.42M	2.4%	+37.5%	0.215%
2/14/2025	Virtus ETF Advisers LLC	5,278	$70K	0.0%	+18.6%	0.006%
2/14/2025	Nebula Research & Development LLC	76,914	$1.02M	0.1%	+325.6%	0.090%
2/14/2025	Voya Investment Management LLC	48,831	$0.65M	0.0%	-48.2%	0.057%
2/14/2025	Adage Capital Partners GP L.L.C.	621,840	$8.22M	0.0%	-23.9%	0.728%
2/14/2025	Price T Rowe Associates Inc. MD	57,019	$0.75M	0.0%	+16.5%	0.067%
2/14/2025	Eversept Partners LP	343,400	$4.54M	0.4%	-91.6%	0.402%
2/14/2025	Hsbc Holdings PLC	50,747	$0.66M	0.0%	+15.3%	0.059%
2/14/2025	Avoro Capital Advisors LLC	2,275,000	$30.08M	0.4%	-41.5%	2.665%
2/14/2025	Stifel Financial Corp	37,475	$0.50M	0.0%	+120.8%	0.044%
2/14/2025	Tower Research Capital LLC TRC	18,190	$0.24M	0.0%	+179.5%	0.021%
2/14/2025	MetLife Investment Management LLC	50,515	$0.67M	0.0%	+6.2%	0.059%
2/14/2025	Dimensional Fund Advisors LP	331,300	$4.38M	0.0%	+594.2%	0.388%
2/14/2025	Altium Capital Management LLC	370,000	$4.89M	1.4%	N/A	0.433%
2/13/2025	Marshall Wace LLP	12,624	$0.17M	0.0%	-98.7%	0.015%
2/13/2025	Jump Financial LLC	173,890	$2.30M	0.0%	+80.8%	0.204%
2/13/2025	Guggenheim Capital LLC	11,881	$0.16M	0.0%	N/A	0.014%
2/13/2025	Walleye Capital LLC	364,750	$4.82M	0.0%	+831.3%	0.427%
2/13/2025	Barclays PLC	196,051	$2.59M	0.0%	+4.5%	0.230%
2/13/2025	Optimize Financial Inc	11,509	$0.15M	0.1%	N/A	0.013%
2/13/2025	Renaissance Technologies LLC	680,965	$9M	0.0%	N/A	0.798%

Data available starting January 2016

See Full Table

Syndax Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, develops therapies for the treatment of cancer. Its lead product candidates are revumenib, a potent, selective, small molecule inhibitor of the menin-MLL binding interaction for the treatment of KMT2A rearranged, acute leukemias, and solid tumor; and SNDX-6352 or axatilimab, a monoclonal antibody that blocks the colony stimulating factor 1, or CSF-1 receptor for the treatment of patients with chronic graft versus host disease (cGVHD) and idiopathic pulmonary fibrosis (IPF). The company is also developing Entinostat. It has an agreement with Eddingpharm International Company Limited for licensing, development, and commercialization of Entinostat. Syndax Pharmaceuticals, Inc. was incorporated in 2005 and is headquartered in Waltham, Massachusetts.

Today's Range

Now: $9.28

$9.24

$10.45

50 Day Range

MA: $12.33

$9.99

$14.15

52 Week Range

Now: $9.28

$9.26

$25.07

Volume

3,222,678 shs

Average Volume

1,702,656 shs

Market Capitalization

$798.52 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.82

Who are the company insiders with the largest holdings of Syndax Pharmaceuticals?: Syndax Pharmaceuticals' top insider investors include:
Michael A Metzger (CEO)
Keith A Goldan (CFO)
Neil Gallagher (Insider)
William Meury (Director)
Briggs Morrison (Director)
Learn More about top insider investors at Syndax Pharmaceuticals.
Who are the major institutional investors of Syndax Pharmaceuticals?: Syndax Pharmaceuticals' top institutional investors include:
Vanguard Group Inc. — 5.66%
Assenagon Asset Management S.A. — 2.37%
Algert Global LLC — 1.03%
Northern Trust Corp — 0.91%
Charles Schwab Investment Management Inc. — 0.80%
Candriam S.C.A. — 0.52%
Learn More about top institutional investors of Syndax Pharmaceuticals stock.
Which major investors are selling Syndax Pharmaceuticals stock?: During the previous quarter, SNDX stock was sold by these institutional investors:
Wellington Management Group LLP
Candriam S.C.A.
Walleye Capital LLC
Assenagon Asset Management S.A.
Charles Schwab Investment Management Inc.
Northern Trust Corp
Vanguard Group Inc.
Rafferty Asset Management LLC
During the previous year, company insiders that have sold Syndax Pharmaceuticals company stock include:
Michael A Metzger (CEO)
Keith A Goldan (CFO)
Neil Gallagher (Insider)
Learn More investors selling Syndax Pharmaceuticals stock.
Which major investors are buying Syndax Pharmaceuticals stock?: During the previous quarter, SNDX stock was bought by institutional investors including:
Nuveen LLC
Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance Group
Deutsche Bank AG
Algert Global LLC
Russell Investments Group Ltd.
XTX Topco Ltd
Ieq Capital LLC
GSA Capital Partners LLP