SEC Insider Transactions from Podlesak Dennis.

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

Podlesak Dennis sold Syndax Pharmaceuticals ($SNDX) shares on the open market three times in the last year, totaling about $875,100. His most recent sale occurred on August 18, 2025. These sales rank him 5,238th among 11,678 individual insiders in our database, where the average sale amount is $8.6 million across about 6.4 transactions. He made no open market purchases during this period.

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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. 4, 2026 Syndax Pharmaceuticals Inc $SNDX Podlesak Dennis Not found A Common Stock 48000 $0.00 239,763.0000 86,914,838 25.03% 0.06%
Aug. 14, 2025 Syndax Pharmaceuticals Inc $SNDX Podlesak Dennis Not found S Common Stock 19200 $14.19 191,763.0000 86,024,394 9.10% 0.02%
Aug. 15, 2025 Syndax Pharmaceuticals Inc $SNDX Podlesak Dennis Not found M Common Stock 19200 $7.20 210,963.0000 86,024,394 10.01% 0.02%
Aug. 15, 2025 Syndax Pharmaceuticals Inc $SNDX Podlesak Dennis Not found S Common Stock 19200 $15.54 191,763.0000 86,024,394 9.10% 0.02%
Aug. 18, 2025 Syndax Pharmaceuticals Inc $SNDX Podlesak Dennis Not found M Common Stock 19200 $7.20 210,963.0000 86,024,394 10.01% 0.02%
Aug. 18, 2025 Syndax Pharmaceuticals Inc $SNDX Podlesak Dennis Not found S Common Stock 19200 $15.84 191,763.0000 86,024,394 9.10% 0.02%
Aug. 14, 2025 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX Podlesak Dennis Not found M Common Stock 19200 $7.20 210,963.0000 86,024,394 10.01% 0.02%
Aug. 15, 2025 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX Podlesak Dennis Not found M Stock Options (Right to buy) 14400 $0.00 0.0000 86,024,394 100.00% 0.02%
Feb. 5, 2025 Syndax Pharmaceuticals Inc $SNDX Podlesak Dennis Not found A Common Stock 50000 $0.00 191,763.0000 0 35.27% 0.00%
Feb. 7, 2024 Syndax Pharmaceuticals Inc $SNDX Podlesak Dennis Not found A Common Stock 34000 $0.00 141,763.0000 0 31.55% 0.00%
Feb. 2, 2023 Syndax Pharmaceuticals Inc $SNDX Podlesak Dennis Not found A Common Stock 32000 $0.00 107,763.0000 0 42.24% 0.00%