Syndax Pharmaceuticals Inc ($SNDX) Insider Transactions

Last updated: 2026-03-14 11:48 UTC | Total transactions: 152

In the last 12 months, insiders at Syndax Pharmaceuticals Inc ($SNDX) filed 152 transactions with the SEC: 5 open-market purchases totaling $266,933 and 33 sales totaling $16,126,540. Net insider sentiment: net selling.

Syndax Pharmaceuticals Inc operates in the Pharmaceutical preparations industry (Life sciences sector).

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Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 9, 2026 Metzger Michael A Chief Executive Officer S Common Stock 17159 $21.03 491,690.0000 86,914,838 3.37% 0.02%
Feb. 9, 2026 Goldan Keith A. Chief Financial Officer S Common Stock 3410 $21.03 140,429.0000 86,914,838 2.37% 0.00%
Feb. 4, 2026 Goldan Keith A. Chief Financial Officer A Common Stock 30750 $0.00 145,921.0000 86,914,838 26.70% 0.04%
Feb. 4, 2026 Goldan Keith A. Chief Financial Officer A Common Stock 21500 $0.00 115,171.0000 86,914,838 22.95% 0.02%
Jan. 30, 2026 Goldan Keith A. Chief Financial Officer J Common Stock 1219 $8.48 93,671.0000 86,914,838 1.32% 0.00%
Feb. 4, 2026 Metzger Michael A Chief Executive Officer A Stock Options (Right to buy) 440000 $20.43 440,000.0000 86,914,838 9999.99% 0.51%
Feb. 6, 2026 Metzger Michael A Chief Executive Officer S Common Stock 7412 $20.62 508,849.0000 86,914,838 1.44% 0.01%
Feb. 4, 2026 Metzger Michael A Chief Executive Officer A Common Stock 144600 $0.00 516,261.0000 86,914,838 38.91% 0.17%
Feb. 4, 2026 Metzger Michael A Chief Executive Officer A Common Stock 73000 $0.00 371,661.0000 86,914,838 24.44% 0.08%
Feb. 4, 2026 Legault Pierre Not found A Common Stock 24000 $0.00 114,000.0000 86,914,838 26.67% 0.03%
Feb. 4, 2026 Jarrett Jennifer Not found A Common Stock 24000 $0.00 114,000.0000 86,914,838 26.67% 0.03%
Feb. 4, 2026 Goldan Keith A. Chief Financial Officer A Stock Options (Right to buy) 118000 $20.43 118,000.0000 86,914,838 9999.99% 0.14%
Feb. 4, 2026 Botwood Nicholas A.J. Head of R&D, CMO A Common Stock 24000 $0.00 59,165.0000 86,914,838 68.25% 0.03%
Feb. 4, 2026 Botwood Nicholas A.J. Head of R&D, CMO A Common Stock 36000 $0.00 95,165.0000 86,914,838 60.85% 0.04%
Feb. 4, 2026 Botwood Nicholas A.J. Head of R&D, CMO A Stock Options (Right to buy) 144700 $20.43 144,700.0000 86,914,838 9999.99% 0.17%
Feb. 4, 2026 Podlesak Dennis Not found A Common Stock 48000 $0.00 239,763.0000 86,914,838 25.03% 0.06%
Feb. 4, 2026 Rizo Aleksandra Not found A Common Stock 24000 $0.00 49,000.0000 86,914,838 96.00% 0.03%
Feb. 4, 2026 Katkin Keith Not found A Common Stock 24000 $0.00 124,000.0000 86,914,838 24.00% 0.03%
Feb. 4, 2026 Huber Martin H. Jr. Not found A Common Stock 24000 $0.00 103,000.0000 86,914,838 30.38% 0.03%
Feb. 6, 2026 Goldan Keith A. Chief Financial Officer S Common Stock 2082 $20.62 143,839.0000 86,914,838 1.43% 0.00%
Dec. 1, 2025 Goldan Keith A. Chief Financial Officer G Common Stock 1224 $0.00 92,452.0000 86,914,838 1.31% 0.00%
Sept. 8, 2025 Metzger Michael A Chief Executive Officer S Common Stock 157307 $16.41 298,661.0000 86,024,394 34.50% 0.18%
Sept. 8, 2025 Metzger Michael A Chief Executive Officer M Stock options (Right to buy) 157307 $0.00 0.0000 86,024,394 0.00% 0.18%
Sept. 8, 2025 Metzger Michael A Chief Executive Officer M Common Stock 157307 $10.90 455,968.0000 86,024,394 52.67% 0.18%
Aug. 15, 2025 Podlesak Dennis Not found M Common Stock 19200 $7.20 210,963.0000 86,024,394 10.01% 0.02%
Aug. 15, 2025 Podlesak Dennis Not found S Common Stock 19200 $15.54 191,763.0000 86,024,394 9.10% 0.02%
Aug. 18, 2025 Podlesak Dennis Not found M Common Stock 19200 $7.20 210,963.0000 86,024,394 10.01% 0.02%
Aug. 18, 2025 Podlesak Dennis Not found S Common Stock 19200 $15.84 191,763.0000 86,024,394 9.10% 0.02%
Aug. 14, 2025 Podlesak Dennis Not found M Stock Options (Right to buy) 19200 $0.00 0.0000 86,024,394 100.00% 0.02%
Aug. 15, 2025 Podlesak Dennis Not found M Stock Options (Right to buy) 14400 $0.00 0.0000 86,024,394 100.00% 0.02%
Aug. 15, 2025 Podlesak Dennis Not found M Stock Options (Right to buy) 4800 $0.00 0.0000 86,024,394 100.00% 0.01%
Aug. 18, 2025 Podlesak Dennis Not found M Stock Options (Right to buy) 19200 $0.00 0.0000 86,024,394 100.00% 0.02%
Aug. 14, 2025 Podlesak Dennis Not found M Common Stock 19200 $7.20 210,963.0000 86,024,394 10.01% 0.02%
Aug. 14, 2025 Podlesak Dennis Not found S Common Stock 19200 $14.19 191,763.0000 86,024,394 9.10% 0.02%
July 31, 2025 Goldan Keith A. Chief Financial Officer J Common Stock 1226 $8.43 93,676.0000 86,024,394 1.33% 0.00%
July 16, 2025 Goldan Keith A. Chief Financial Officer S Common Stock 1296 $9.29 92,450.0000 86,024,394 1.38% 0.00%
July 16, 2025 Metzger Michael A Chief Executive Officer S Common Stock 7534 $9.29 298,661.0000 86,024,394 2.46% 0.01%
May 19, 2025 Goldan Keith A. Chief Financial Officer P Common Stock 3000 $0.00 93,746.0000 86,024,394 3.31% 0.00%
May 16, 2025 Botwood Nicholas A.J. Head of R&D, CMO P Common Stock 11765 $9.00 35,165.0000 86,024,394 50.28% 0.01%
May 19, 2025 Katkin Keith Not found P Common Stock 10000 $9.11 100,000.0000 86,024,394 11.11% 0.01%
May 19, 2025 Huber Martin H. Jr. Not found P Common Stock 5000 $8.99 79,000.0000 86,024,394 6.76% 0.01%
March 14, 2025 Metzger Michael A Chief Executive Officer M Stock options (Right to buy) 6074 $0.00 0.0000 86,024,394 0.00% 0.01%
March 14, 2025 Metzger Michael A Chief Executive Officer M Common Stock 6074 $7.20 306,195.0000 86,024,394 2.02% 0.01%
March 4, 2025 Metzger Michael A Chief Executive Officer M Common Stock 7814 $7.20 307,935.0000 86,024,394 2.60% 0.01%
March 4, 2025 Metzger Michael A Chief Executive Officer S Common Stock 7814 $15.05 300,121.0000 86,024,394 2.54% 0.01%
March 4, 2025 Metzger Michael A Chief Executive Officer M Stock options (Right to buy) 7814 $0.00 0.0000 86,024,394 0.00% 0.01%
Feb. 10, 2025 Gallagher Neil President, Head of R&D S Common Stock 4618 $15.50 85,095.0000 0 5.15% 0.00%
Feb. 10, 2025 Metzger Michael A Chief Executive Officer S Common Stock 13288 $15.50 300,121.0000 0 4.24% 0.00%
Feb. 10, 2025 Goldan Keith A. Chief Financial Officer S Common Stock 3777 $15.50 90,746.0000 0 4.00% 0.00%
Feb. 5, 2025 Goldan Keith A. Chief Financial Officer A Common Stock 18500 $0.00 71,123.0000 0 35.16% 0.00%
Feb. 5, 2025 Goldan Keith A. Chief Financial Officer A Common Stock 23400 $0.00 94,523.0000 0 32.90% 0.00%
Feb. 5, 2025 Goldan Keith A. Chief Financial Officer A Stock Options (Right to buy) 110500 $14.65 110,500.0000 0 9999.99% 0.00%
Feb. 5, 2025 Metzger Michael A Chief Executive Officer A Common Stock 60500 $0.00 224,409.0000 0 36.91% 0.00%
Feb. 5, 2025 Metzger Michael A Chief Executive Officer A Common Stock 89000 $0.00 313,409.0000 0 39.66% 0.00%
Feb. 5, 2025 Metzger Michael A Chief Executive Officer A Stock Options (Right to buy) 364000 $14.65 364,000.0000 0 9999.99% 0.00%
Feb. 5, 2025 Podlesak Dennis Not found A Common Stock 50000 $0.00 191,763.0000 0 35.27% 0.00%
Feb. 5, 2025 Gallagher Neil President, Head of R&D A Common Stock 18500 $0.00 66,313.0000 0 38.69% 0.00%
Feb. 5, 2025 Meury William Not found A Common Stock 25000 $0.00 90,000.0000 0 38.46% 0.00%
Feb. 5, 2025 Katkin Keith Not found A Common Stock 25000 $0.00 90,000.0000 0 38.46% 0.00%
Feb. 5, 2025 Jarrett Jennifer Not found A Common Stock 25000 $0.00 90,000.0000 0 38.46% 0.00%
Feb. 5, 2025 Huber Martin H. Jr. Not found A Common Stock 25000 $0.00 74,000.0000 0 51.02% 0.00%
Feb. 5, 2025 Legault Pierre Not found A Common Stock 25000 $0.00 90,000.0000 0 38.46% 0.00%
Feb. 5, 2025 Rizo Aleksandra Not found A Common Stock 25000 $0.00 25,000.0000 0 9999.99% 0.00%
Feb. 5, 2025 Gallagher Neil President, Head of R&D A Common Stock 23400 $0.00 89,713.0000 0 35.29% 0.00%
Feb. 5, 2025 Gallagher Neil President, Head of R&D A Stock Options (Right to buy) 110500 $14.65 110,500.0000 0 9999.99% 0.00%
June 14, 2024 Goldan Keith A. Chief Financial Officer P Common Stock 1250 $20.03 52,623.0000 0 2.43% 0.00%
May 15, 2024 Rizo Aleksandra Not found A Stock Options (Right to buy) 35000 $0.00 35,000.0000 0 9999.99% 0.00%
July 31, 2023 Goldan Keith A. Chief Financial Officer J Common Stock 862 $18.12 3,490.0000 0 32.80% 0.00%
Jan. 31, 2024 Goldan Keith A. Chief Financial Officer J Common Stock 1183 $17.42 4,673.0000 0 33.90% 0.00%
Feb. 7, 2024 Goldan Keith A. Chief Financial Officer A Common Stock 35000 $0.00 39,673.0000 0 748.98% 0.00%
Feb. 7, 2024 Goldan Keith A. Chief Financial Officer A Common Stock 11700 $0.00 51,373.0000 0 29.49% 0.00%
Feb. 7, 2024 Goldan Keith A. Chief Financial Officer A Stock Options (Right to buy) 70000 $22.28 70,000.0000 0 9999.99% 0.00%
Feb. 7, 2024 Gallagher Neil President, Head of R&D A Common Stock 34688 $0.00 34,688.0000 0 9999.99% 0.00%
Feb. 7, 2024 Gallagher Neil President, Head of R&D A Common Stock 13125 $0.00 47,813.0000 0 37.84% 0.00%
Feb. 7, 2024 Gallagher Neil President, Head of R&D A Stock Options (Right to buy) 69375 $22.28 69,375.0000 0 9999.99% 0.00%
Feb. 7, 2024 Huber Martin H. Jr. Not found A Common Stock 17000 $0.00 49,000.0000 0 53.13% 0.00%
Feb. 7, 2024 Jarrett Jennifer Not found A Common Stock 17000 $0.00 65,000.0000 0 35.42% 0.00%
Feb. 7, 2024 Katkin Keith Not found A Common Stock 17000 $0.00 65,000.0000 0 35.42% 0.00%
Feb. 7, 2024 Meury William Not found A Common Stock 17000 $0.00 65,000.0000 0 35.42% 0.00%
Feb. 7, 2024 Morrison Briggs Not found A Common Stock 17000 $0.00 34,836.0000 0 95.31% 0.00%
Feb. 7, 2024 Podlesak Dennis Not found A Common Stock 34000 $0.00 141,763.0000 0 31.55% 0.00%
Feb. 7, 2024 Legault Pierre Not found A Common Stock 17000 $0.00 65,000.0000 0 35.42% 0.00%
Feb. 7, 2024 Metzger Michael A Chief Executive Officer A Stock Options (Right to buy) 214500 $22.28 214,500.0000 0 9999.99% 0.00%
Feb. 7, 2024 Metzger Michael A Chief Executive Officer A Common Stock 39000 $0.00 163,909.0000 0 31.22% 0.00%
Feb. 7, 2024 Metzger Michael A Chief Executive Officer A Common Stock 107250 $0.00 124,909.0000 0 607.34% 0.00%
Aug. 9, 2023 Morrison Briggs Not found S Common Stock 52855 $18.27 17,836.0000 0 74.77% 0.00%
Aug. 9, 2023 Morrison Briggs Not found M Common Stock 52855 $8.77 70,691.0000 0 296.34% 0.00%
Aug. 9, 2023 Morrison Briggs Not found M Stock Options (Right to buy) 52855 $0.00 0.0000 0 100.00% 0.00%
Aug. 2, 2023 Meury William Not found S Common Stock 24000 $20.45 48,000.0000 0 33.33% 0.00%
Aug. 2, 2023 Meury William Not found M Stock Options (Right to buy) 35000 $0.00 0.0000 0 100.00% 0.00%
Aug. 2, 2023 Meury William Not found M Common Stock 24000 $7.88 72,000.0000 0 50.00% 0.00%
Aug. 2, 2023 Meury William Not found S Common Stock 24000 $20.46 48,000.0000 0 33.33% 0.00%
Aug. 2, 2023 Meury William Not found M Common Stock 24000 $9.47 72,000.0000 0 50.00% 0.00%
Aug. 2, 2023 Meury William Not found M Stock Options (Right to buy) 24000 $0.00 0.0000 0 100.00% 0.00%
Aug. 2, 2023 Meury William Not found M Stock Options (Right to buy) 24000 $0.00 0.0000 0 100.00% 0.00%
Aug. 2, 2023 Meury William Not found M Common Stock 35000 $7.11 83,000.0000 0 72.92% 0.00%
Aug. 2, 2023 Meury William Not found S Common Stock 35000 $20.46 48,000.0000 0 42.17% 0.00%
July 10, 2023 Morrison Briggs Not found S Common Stock 52855 $20.40 17,836.0000 0 74.77% 0.00%
July 10, 2023 Morrison Briggs Not found M Stock Options (Right to buy) 52855 $0.00 0.0000 0 100.00% 0.00%
July 10, 2023 Morrison Briggs Not found M Common Stock 52855 $8.77 70,691.0000 0 296.34% 0.00%
June 13, 2023 Goldan Keith A. Chief Financial Officer S Common Stock 577 $22.31 2,628.0000 0 18.00% 0.00%
June 9, 2023 Morrison Briggs Not found M Common Stock 28273 $8.77 70,691.0000 0 66.65% 0.00%
June 9, 2023 Morrison Briggs Not found S Common Stock 28273 $21.18 17,836.0000 0 61.32% 0.00%
June 9, 2023 Morrison Briggs Not found M Stock Options (Right to buy) 28273 $0.00 0.0000 0 100.00% 0.00%
June 9, 2023 Morrison Briggs Not found M Stock Options (Right to buy) 24582 $0.00 0.0000 0 100.00% 0.00%
June 9, 2023 Morrison Briggs Not found M Common Stock 24582 $6.38 42,418.0000 0 137.82% 0.00%
June 9, 2023 Morrison Briggs Not found S Common Stock 24582 $21.18 46,109.0000 0 34.77% 0.00%
May 9, 2023 Morrison Briggs Not found M Stock Options (Right to buy) 52855 $0.00 0.0000 0 100.00% 0.00%
May 9, 2023 Morrison Briggs Not found S Common Stock 52855 $21.41 17,836.0000 0 74.77% 0.00%
May 9, 2023 Morrison Briggs Not found M Common Stock 52855 $6.38 70,691.0000 0 296.34% 0.00%
April 10, 2023 Gallagher Neil President, Head of R&D A Stock Options (Right to buy) 250000 $19.35 250,000.0000 0 9999.99% 0.00%
April 10, 2023 Morrison Briggs Not found M Common Stock 52855 $6.38 70,691.0000 0 296.34% 0.00%
April 10, 2023 Morrison Briggs Not found M Stock Options (Right to buy) 52855 $0.00 0.0000 0 100.00% 0.00%
April 10, 2023 Morrison Briggs Not found S Common Stock 52855 $19.53 17,836.0000 0 74.77% 0.00%
March 13, 2023 Morrison Briggs President, Head of R&D M Common Stock 52854 $6.38 70,690.0000 0 296.33% 0.00%
March 13, 2023 Morrison Briggs President, Head of R&D S Common Stock 52854 $22.53 17,836.0000 0 74.77% 0.00%
March 13, 2023 Morrison Briggs President, Head of R&D M Stock Option (Right to Buy) 52854 $0.00 0.0000 0 100.00% 0.00%
Feb. 15, 2023 Ordentlich Peter Chief Scientific Officer M Common Stock 7572 $6.38 7,572.0000 0 9999.99% 0.00%
Feb. 15, 2023 Ordentlich Peter Chief Scientific Officer S Common Stock 7572 $25.84 0.0000 0 100.00% 0.00%
Feb. 15, 2023 Ordentlich Peter Chief Scientific Officer M Common Stock 17428 $7.20 17,428.0000 0 9999.99% 0.00%
Feb. 15, 2023 Ordentlich Peter Chief Scientific Officer S Common Stock 17428 $25.84 0.0000 0 100.00% 0.00%
Feb. 15, 2023 Ordentlich Peter Chief Scientific Officer M Stock Options (Right to buy) 17428 $25.84 0.0000 0 100.00% 0.00%
Feb. 15, 2023 Ordentlich Peter Chief Scientific Officer M Stock Options (Right to buy) 7572 $25.84 0.0000 0 100.00% 0.00%
Feb. 6, 2023 Metzger Michael A Chief Executive Officer M Common Stock 5959 $6.38 23,618.0000 0 33.74% 0.00%
Feb. 6, 2023 Metzger Michael A Chief Executive Officer S Common Stock 5959 $27.64 17,659.0000 0 25.23% 0.00%
Feb. 6, 2023 Metzger Michael A Chief Executive Officer M Stock Options (Right to buy) 5959 $27.64 0.0000 0 100.00% 0.00%
Feb. 6, 2023 Morrison Briggs President, Head of R&D M Stock Options (Right to buy) 52854 $0.00 0.0000 0 100.00% 0.00%
Feb. 6, 2023 Morrison Briggs President, Head of R&D S Common Stock 52854 $26.83 17,836.0000 0 74.77% 0.00%
Feb. 6, 2023 Morrison Briggs President, Head of R&D M Common Stock 52854 $6.38 70,690.0000 0 296.33% 0.00%
Feb. 2, 2023 Morrison Briggs President, Head of R&D A Stock Options (Right to buy) 32000 $28.55 32,000.0000 0 9999.99% 0.00%
Feb. 2, 2023 Metzger Michael A Chief Executive Officer A Stock Options (Right to buy) 410000 $28.55 410,000.0000 0 9999.99% 0.00%
Feb. 1, 2023 Ordentlich Peter Chief Scientific Officer S Common Stock 69 $28.43 0.0000 0 100.00% 0.00%
Feb. 2, 2023 Meury William Not found A Common Stock 16000 $0.00 48,000.0000 0 50.00% 0.00%
Feb. 2, 2023 Legault Pierre Not found A Common Stock 16000 $0.00 48,000.0000 0 50.00% 0.00%
Feb. 2, 2023 Katkin Keith Not found A Common Stock 16000 $0.00 48,000.0000 0 50.00% 0.00%
Feb. 2, 2023 Jarrett Jennifer Not found A Common Stock 16000 $0.00 48,000.0000 0 50.00% 0.00%
Feb. 2, 2023 Podlesak Dennis Not found A Common Stock 32000 $0.00 107,763.0000 0 42.24% 0.00%
Feb. 2, 2023 Nolte Alexander Chief Accounting Officer A Stock Options (Right to buy) 17000 $28.55 17,000.0000 0 9999.99% 0.00%
Feb. 2, 2023 Ordentlich Peter Chief Scientific Officer A Stock Options (Right to buy) 90000 $28.55 90,000.0000 0 9999.99% 0.00%
Feb. 2, 2023 Huber Martin H. Jr. Not found A Common Stock 16000 $0.00 32,000.0000 0 100.00% 0.00%
Jan. 31, 2023 Ordentlich Peter Chief Scientific Officer J Common Stock 69 $17.32 69.0000 0 9999.99% 0.00%
Feb. 2, 2023 Goldan Keith A. Chief Financial Officer A Stock Options (Right to buy) 110000 $28.55 110,000.0000 0 9999.99% 0.00%
Feb. 2, 2023 Madigan Catherine Chief Medical Officer A Stock Options (Right to buy) 110000 $28.55 110,000.0000 0 9999.99% 0.00%
Jan. 13, 2023 Legault Pierre Not found M Stock Options (Right to buy) 5000 $0.00 0.0000 0 100.00% 0.00%
Jan. 13, 2023 Legault Pierre Not found M Stock Options (Right to buy) 10000 $0.00 0.0000 0 100.00% 0.00%
Jan. 12, 2023 Legault Pierre Not found M Stock Options (Right to buy) 24000 $0.00 0.0000 0 100.00% 0.00%
Jan. 13, 2023 Legault Pierre Not found S Common Stock 5000 $27.00 32,000.0000 0 13.51% 0.00%
Jan. 13, 2023 Legault Pierre Not found M Common Stock 5000 $13.58 37,000.0000 0 15.63% 0.00%
Jan. 13, 2023 Legault Pierre Not found S Common Stock 10000 $27.00 32,000.0000 0 23.81% 0.00%
Jan. 13, 2023 Legault Pierre Not found M Common Stock 10000 $13.58 42,000.0000 0 31.25% 0.00%
Jan. 12, 2023 Legault Pierre Not found S Common Stock 24000 $26.74 32,000.0000 0 42.86% 0.00%
Jan. 12, 2023 Legault Pierre Not found M Common Stock 24000 $9.47 56,000.0000 0 75.00% 0.00%