SEC Insider Transactions from Goldan Keith A..

Last updated: 2026-03-14 11:48 UTC | Total transactions: 22

Keith A. Goldan, CFO of Syndax Pharmaceuticals ($SNDX), made one open market purchase of SNDX shares worth $0 in the last year, most recently on May 19, 2025. This ranks 4,939th out of 4,983 insiders by purchase value, well below the $1.5 million average over 3.3 transactions. He sold shares three times for about $127,000 total, most recently on February 9, 2026, ranking 9,225th among 11,678 insiders versus the $8.6 million average across 6.4 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 9, 2026 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX 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. 6, 2026 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer S Common Stock 2082 $20.62 143,839.0000 86,914,838 1.43% 0.00%
Jan. 30, 2026 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer A Common Stock 21500 $0.00 115,171.0000 86,914,838 22.95% 0.02%
Dec. 1, 2025 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer G Common Stock 1224 $0.00 92,452.0000 86,914,838 1.31% 0.00%
July 31, 2025 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer S Common Stock 1296 $9.29 92,450.0000 86,024,394 1.38% 0.00%
May 19, 2025 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer P Common Stock 3000 $0.00 93,746.0000 86,024,394 3.31% 0.00%
Feb. 10, 2025 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer S Common Stock 3777 $15.50 90,746.0000 0 4.00% 0.00%
Feb. 5, 2025 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer A Common Stock 18500 $0.00 71,123.0000 0 35.16% 0.00%
Feb. 5, 2025 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer A Common Stock 23400 $0.00 94,523.0000 0 32.90% 0.00%
June 14, 2024 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer P Common Stock 1250 $20.03 52,623.0000 0 2.43% 0.00%
Feb. 7, 2024 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer A Common Stock 35000 $0.00 39,673.0000 0 748.98% 0.00%
Jan. 31, 2024 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer J Common Stock 1183 $17.42 4,673.0000 0 33.90% 0.00%
July 31, 2023 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer J Common Stock 862 $18.12 3,490.0000 0 32.80% 0.00%
Feb. 7, 2024 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer A Common Stock 11700 $0.00 51,373.0000 0 29.49% 0.00%
June 13, 2023 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer S Common Stock 577 $22.31 2,628.0000 0 18.00% 0.00%
Feb. 2, 2023 Syndax Pharmaceuticals Inc $SNDX Goldan Keith A. Chief Financial Officer A Stock Options (Right to buy) 110000 $28.55 110,000.0000 0 9999.99% 0.00%