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SNDX Insider Trading

Insider Ownership Percentage: 4.10%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $3,894,266.92

Syndax Pharmaceuticals Insider Trading History Chart

This chart shows the insider buying and selling history at Syndax Pharmaceuticals by year and by quarter.

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Syndax Pharmaceuticals Share Price & Price History

Current Price: $23.93
Price Change: ▼ Price Decrease of -0.16 (-0.66%)
As of 03/24/2026 02:21 PM ET

This chart shows the closing price history over time for SNDX up to the past year.

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Days: 30 | 90 | 365

Syndax Pharmaceuticals Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
2/9/2026Keith A. GoldanCFOSell3,410$21.03$71,712.30140,429View SEC Filing Icon  
2/9/2026Michael A. MetzgerCEOSell17,159$21.03$360,853.77491,690View SEC Filing Icon  
2/6/2026Keith A. GoldanCFOSell2,082$20.62$42,930.84143,839View SEC Filing Icon  
2/6/2026Michael A. MetzgerCEOSell7,412$20.62$152,835.44508,849View SEC Filing Icon  
9/8/2025Michael A. MetzgerCEOSell157,307$16.41$2,581,407.87298,661View SEC Filing Icon  
8/18/2025Dennis PodlesakDirectorSell19,200$15.84$304,128.00191,763View SEC Filing Icon  
8/15/2025Dennis PodlesakDirectorSell19,200$15.54$298,368.00191,763View SEC Filing Icon  
7/16/2025Keith A. GoldanCFOSell1,296$9.29$12,039.8492,450View SEC Filing Icon  
7/16/2025Michael A. MetzgerCEOSell7,534$9.29$69,990.86298,661View SEC Filing Icon  
2/10/2025Keith A. GoldanCFOSell3,777$15.50$58,543.5090,746View SEC Filing Icon  
2/10/2025Michael A. MetzgerCEOSell13,288$15.50$205,964.00300,121View SEC Filing Icon  
2/10/2025Neil GallagherInsiderSell4,618$15.50$71,579.0085,095View SEC Filing Icon  
6/14/2024Keith A. GoldanCFOBuy1,250$20.03$25,037.5052,623View SEC Filing Icon  
8/9/2023Briggs MorrisonDirectorSell52,855$18.27$965,660.8517,836View SEC Filing Icon  
8/2/2023William MeuryDirectorSell83,000$20.46$1,698,180.0048,000View SEC Filing Icon  
7/10/2023Briggs MorrisonDirectorSell52,855$20.40$1,078,242.0017,836View SEC Filing Icon  
6/13/2023Keith A. GoldanCFOSell577$22.31$12,872.872,628View SEC Filing Icon  
6/9/2023Briggs MorrisonDirectorSell52,855$21.18$1,119,468.9017,836View SEC Filing Icon  
5/9/2023Briggs MorrisonDirectorSell52,855$21.41$1,131,625.5517,836View SEC Filing Icon  
4/10/2023Briggs MorrisonDirectorSell52,855$19.53$1,032,258.1517,836View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Syndax Pharmaceuticals (NASDAQ:SNDX)

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at SNDX by year and by quarter.

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Syndax Pharmaceuticals Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/20/2026Hsbc Holdings PLC22,731$0.48M0.0%-59.8%0.026%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.160,525$3.37M0.0%+20.6%0.185%Search for SEC Filing on Google Icon
2/18/2026Mercer Global Advisors Inc. ADV17,805$0.37M0.0%N/A0.020%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd18,476$0.39M0.0%-39.2%0.021%Search for SEC Filing on Google Icon
2/18/2026Virtus Investment Advisers LLC33,549$0.71M0.2%+214.6%0.039%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP35,630$0.75M0.0%-6.8%0.041%Search for SEC Filing on Google Icon
2/18/2026SummitTX Capital L.P.39,127$0.82M0.0%-61.1%0.045%Search for SEC Filing on Google Icon
2/18/2026Twinbeech Capital LP52,900$1.11M0.1%+19.4%0.061%Search for SEC Filing on Google Icon
2/18/2026Sphera Funds Management LTD.762,563$16.02M3.0%+96.7%0.877%Search for SEC Filing on Google Icon
2/18/2026Quadrature Capital Ltd14,886$0.31M0.0%-54.0%0.017%Search for SEC Filing on Google Icon
2/18/2026Man Group plc44,638$0.94M0.0%-74.5%0.051%Search for SEC Filing on Google Icon
2/18/2026Inspire Investing LLC22,142$0.47M0.0%-23.2%0.025%Search for SEC Filing on Google Icon
2/18/2026Ishara Investments LP100,000$2.10M2.4%N/A0.115%Search for SEC Filing on Google Icon
2/18/2026Elmind Capital LP1,855,000$38.97M11.5%N/A2.134%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP26,265$0.55M0.0%-85.4%0.030%Search for SEC Filing on Google Icon
2/18/2026Eversept Partners LP3,314,408$69.64M3.5%-4.4%3.813%Search for SEC Filing on Google Icon
2/18/2026Catalio Capital Management LP1,196,807$25.15M4.7%-25.9%1.377%Search for SEC Filing on Google Icon
2/18/2026Clearline Capital LP43,413$0.91M0.0%+27.0%0.050%Search for SEC Filing on Google Icon
2/18/2026Apis Capital Advisors LLC724,000$15.21M2.7%+13.5%0.833%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC14,538$0.31M0.0%+19.7%0.017%Search for SEC Filing on Google Icon
2/17/2026ADAR1 Capital Management LLC12,000$0.25M0.0%N/A0.014%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC13,100$0.28M0.0%-90.1%0.015%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC925,974$19.46M0.0%+65.9%1.065%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers23,116$0.49M0.0%N/A0.027%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC14,140$0.30M0.0%N/A0.016%Search for SEC Filing on Google Icon
2/17/2026MPM Bioimpact LLC1,337,702$28.11M3.2%-2.8%1.539%Search for SEC Filing on Google Icon
2/17/2026Trexquant Investment LP87,514$1.84M0.0%N/A0.101%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC163,915$3.44M0.0%+23.5%0.189%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD94,829$1.99M0.0%+4.1%0.109%Search for SEC Filing on Google Icon
2/17/2026Integral Health Asset Management LLC200,000$4.20M0.2%N/A0.230%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.89,639$1.88M0.0%+12.7%0.103%Search for SEC Filing on Google Icon
2/17/2026Atom Investors LP141,666$2.98M0.2%N/A0.163%Search for SEC Filing on Google Icon
2/17/2026Granahan Investment Management LLC366,793$7.71M0.3%-7.5%0.422%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board40,761$0.86M0.0%-19.0%0.047%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP554,761$11.66M0.1%+665.6%0.638%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada25,340$0.53M0.0%-88.9%0.029%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC19,814$0.42M0.0%-44.2%0.023%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC18,460$0.39M0.0%+7.5%0.021%Search for SEC Filing on Google Icon
2/16/2026Panagora Asset Management Inc.125,099$2.63M0.0%-19.5%0.144%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC54,987$1.16M0.0%+134.6%0.063%Search for SEC Filing on Google Icon
2/16/2026Healthcare of Ontario Pension Plan Trust Fund137,629$2.89M0.0%N/A0.158%Search for SEC Filing on Google Icon
2/16/2026Eventide Asset Management LLC1,238,196$26.01M0.4%+25.3%1.425%Search for SEC Filing on Google Icon
2/16/2026Entropy Technologies LP15,064$0.32M0.0%N/A0.017%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC314,672$6.61M0.0%-9.6%0.362%Search for SEC Filing on Google Icon
2/13/2026Prosight Management LP665,000$13.97M2.9%-33.7%0.765%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 25,461$0.54M0.0%-11.5%0.029%Search for SEC Filing on Google Icon
2/13/2026Stifel Financial Corp75,914$1.60M0.0%-22.8%0.087%Search for SEC Filing on Google Icon
2/13/2026Hudson Bay Capital Management LP165,000$3.47M0.0%-34.0%0.190%Search for SEC Filing on Google Icon
2/13/2026Quarry LP10,000$0.21M0.0%-71.7%0.012%Search for SEC Filing on Google Icon
2/13/2026Smartleaf Asset Management LLC2,659$55K0.0%+2,698.9%0.003%Search for SEC Filing on Google Icon
2/13/2026Bridgefront Capital LLC19,752$0.42M0.1%-9.6%0.023%Search for SEC Filing on Google Icon
2/13/2026Rafferty Asset Management LLC161,943$3.40M0.0%+14.2%0.186%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.727,424$15.28M0.0%+1.2%0.837%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey23,371$0.49M0.0%-2.5%0.027%Search for SEC Filing on Google Icon
2/13/2026State Street Corp4,596,552$96.57M0.0%+19.3%5.288%Search for SEC Filing on Google Icon
2/13/2026Voss Capital LP125,000$2.63M0.1%N/A0.144%Search for SEC Filing on Google Icon
2/13/2026Ieq Capital LLC99,876$2.10M0.0%+80.9%0.115%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC142,407$2.99M0.0%+6.1%0.164%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN160,850$3.38M0.0%+182.6%0.185%Search for SEC Filing on Google Icon
2/13/2026Rhenman & Partners Asset Management AB487,000$10.23M1.0%-15.2%0.560%Search for SEC Filing on Google Icon
2/12/2026Soleus Capital Management L.P.2,247,110$47.21M1.7%+11.7%2.585%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC544,800$11.45M0.0%-36.7%0.627%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP28,312$0.60M0.0%-76.7%0.033%Search for SEC Filing on Google Icon
2/12/2026Ensign Peak Advisors Inc1,598,544$33.59M0.1%+97.6%1.839%Search for SEC Filing on Google Icon
2/12/2026Marex Group plc15,060$0.32M0.0%N/A0.017%Search for SEC Filing on Google Icon
2/12/2026Knott David M Jr415,000$8.72M4.0%-3.0%0.477%Search for SEC Filing on Google Icon
2/12/2026Sector Gamma AS252,062$5.30M1.2%+19.6%0.290%Search for SEC Filing on Google Icon
2/12/2026Swiss National Bank161,400$3.39M0.0%+1.8%0.186%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC1,483,002$31.16M0.0%+0.5%1.706%Search for SEC Filing on Google Icon
2/11/2026Inceptionr LLC10,747$0.23M0.1%N/A0.012%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG66,608$1.40M0.0%-8.1%0.077%Search for SEC Filing on Google Icon
2/11/2026Fox Run Management L.L.C.40,302$0.85M0.1%+13.0%0.046%Search for SEC Filing on Google Icon
2/11/2026Cerity Partners LLC28,856$0.61M0.0%+7.8%0.033%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.2,421,666$50.88M0.0%+1.3%2.786%Search for SEC Filing on Google Icon
2/11/2026JPMorgan Chase & Co.378,504$7.95M0.0%+49.1%0.435%Search for SEC Filing on Google Icon
2/11/2026Los Angeles Capital Management LLC65,280$1.37M0.0%+18.2%0.075%Search for SEC Filing on Google Icon
2/11/2026WINTON GROUP Ltd14,574$0.31M0.0%-35.3%0.017%Search for SEC Filing on Google Icon
2/10/2026Bank of New York Mellon Corp1,094,151$22.99M0.0%+4.0%1.259%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.5,695,375$119.66M0.0%+3.8%6.552%Search for SEC Filing on Google Icon
2/10/2026Intech Investment Management LLC40,793$0.86M0.0%+20.4%0.047%Search for SEC Filing on Google Icon
2/9/2026Sectoral Asset Management Inc.61,200$1.29M1.0%-23.0%0.070%Search for SEC Filing on Google Icon
2/9/2026Simplify Asset Management Inc.54,715$1.15M0.0%+91.9%0.063%Search for SEC Filing on Google Icon
2/6/2026PSP Research LLC24,716$0.52M0.5%N/A0.028%Search for SEC Filing on Google Icon
2/6/2026Larson Financial Group LLC2,370$50K0.0%-18.9%0.003%Search for SEC Filing on Google Icon
2/6/2026Profund Advisors LLC60,038$1.26M0.0%+94.8%0.069%Search for SEC Filing on Google Icon
2/6/2026ProShare Advisors LLC19,388$0.41M0.0%+9.9%0.022%Search for SEC Filing on Google Icon
2/6/2026HighTower Advisors LLC18,940$0.40M0.0%+8.7%0.022%Search for SEC Filing on Google Icon
2/5/2026DNB Asset Management AS29,760$0.63M0.0%+27.8%0.034%Search for SEC Filing on Google Icon
2/3/2026Wesbanco Bank Inc.37,000$0.78M0.0%N/A0.043%Search for SEC Filing on Google Icon
1/29/2026Vanguard Group Inc.6,230,334$130.90M0.0%+21.2%7.168%Search for SEC Filing on Google Icon
1/29/2026China Universal Asset Management Co. Ltd.14,163$0.30M0.0%-6.2%0.016%Search for SEC Filing on Google Icon
1/28/2026Arizona State Retirement System22,813$0.48M0.0%-5.6%0.026%Search for SEC Filing on Google Icon
1/28/2026Torray Investment Partners LLC97,802$2.06M0.3%N/A0.113%Search for SEC Filing on Google Icon
1/26/2026Mirae Asset Global Investments Co. Ltd.4,223$89K0.0%+26.8%0.005%Search for SEC Filing on Google Icon
1/26/2026CWM LLC31,912$0.67M0.0%+50.7%0.037%Search for SEC Filing on Google Icon
1/21/2026Palumbo Wealth Management LLC51,368$1.08M0.3%N/A0.059%Search for SEC Filing on Google Icon
1/16/2026Tema Etfs LLC100,053$2.10M0.2%-9.1%0.115%Search for SEC Filing on Google Icon
1/15/2026Allspring Global Investments Holdings LLC17,562$0.37M0.0%+9.0%0.020%Search for SEC Filing on Google Icon
1/14/2026Hennion & Walsh Asset Management Inc.183,802$3.86M0.1%+236.0%0.211%Search for SEC Filing on Google Icon
1/14/2026Pallas Capital Advisors LLC10,985$0.23M0.0%+8.7%0.013%Search for SEC Filing on Google Icon
Data available starting January 2016

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Syndax Pharmaceuticals logo
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.
Read More on Syndax Pharmaceuticals

Today's Range

Now: $23.93
Low: $23.60
High: $24.41

50 Day Range

MA: $21.54
Low: $19.69
High: $24.44

52 Week Range

Now: $23.93
Low: $8.58
High: $25.44

Volume

683,184 shs

Average Volume

1,332,619 shs

Market Capitalization

$2.11 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.42

Who are the company insiders with the largest holdings of Syndax Pharmaceuticals?

Syndax Pharmaceuticals' top insider investors include:
  1. Michael A Metzger (CEO)
  2. Dennis Podlesak (Director)
  3. Keith A Goldan (CFO)
  4. Neil Gallagher (Insider)
Learn More about top insider investors at Syndax Pharmaceuticals.

Who are the major institutional investors of Syndax Pharmaceuticals?

Syndax Pharmaceuticals' top institutional investors include:
  1. Vanguard Group Inc. — 7.17%
  2. Goldman Sachs Group Inc. — 6.55%
  3. State Street Corp — 5.29%
  4. Eversept Partners LP — 3.81%
  5. Franklin Resources Inc. — 2.79%
  6. Soleus Capital Management L.P. — 2.59%
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:
  1. Assenagon Asset Management S.A.
  2. Catalio Capital Management LP
  3. Prosight Management LP
  4. Renaissance Technologies LLC
  5. Royal Bank of Canada
  6. Engineers Gate Manager LP
  7. Eversept Partners LP
  8. Man Group plc
During the previous year, company insiders that have sold Syndax Pharmaceuticals company stock include:
  1. Michael A Metzger (CEO)
  2. Dennis Podlesak (Director)
  3. Keith A Goldan (CFO)
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:
  1. Elmind Capital LP
  2. Vanguard Group Inc.
  3. Ensign Peak Advisors Inc
  4. State Street Corp
  5. ExodusPoint Capital Management LP
  6. Sphera Funds Management LTD.
  7. AQR Capital Management LLC
  8. Eventide Asset Management LLC