SEC Insider Transactions from Metzger Michael A.

Last updated: 2026-03-25 23:02 UTC | Total transactions: 28

Michael A. Metzger, CEO of Syndax Pharmaceuticals ($SNDX), sold shares on the open market four times over the past year, totaling $3.2 million. His most recent sale occurred on February 9, 2026. These sales rank 2625th among 11,678 individual insiders in our database, where the average is $8.6 million across about 6.4 transactions per insider. Metzger made no open market purchases in 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
March 24, 2026 Pyxis Oncology, Inc. $PYXS Metzger Michael A Not found A Stock Option (Right to Buy) 45867 $0.00 45,867.0000 62,557,386 9999.99% 0.07%
Feb. 9, 2026 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer S Common Stock 17159 $21.03 491,690.0000 86,914,838 3.37% 0.02%
Feb. 4, 2026 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer A Common Stock 144600 $0.00 516,261.0000 86,914,838 38.91% 0.17%
Sept. 8, 2025 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer M Common Stock 157307 $10.90 455,968.0000 86,024,394 52.67% 0.18%
Sept. 8, 2025 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer M Stock options (Right to buy) 157307 $0.00 0.0000 86,024,394 0.00% 0.18%
July 16, 2025 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer S Common Stock 7534 $9.29 298,661.0000 86,024,394 2.46% 0.01%
March 31, 2025 Pyxis Oncology, Inc. $PYXS Metzger Michael A Not found A Stock Option (Right to Buy) 36979 $0.98 36,979.0000 58,445,765 9999.99% 0.06%
March 14, 2025 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer M Common Stock 6074 $7.20 306,195.0000 86,024,394 2.02% 0.01%
March 14, 2025 Syndax Pharmaceuticals Inc $SNDX 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 4, 2025 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer M Stock options (Right to buy) 7814 $0.00 0.0000 86,024,394 0.00% 0.01%
March 4, 2025 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer S Common Stock 7814 $15.05 300,121.0000 86,024,394 2.54% 0.01%
Feb. 10, 2025 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer S Common Stock 13288 $15.50 300,121.0000 0 4.24% 0.00%
Feb. 5, 2025 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer A Common Stock 60500 $0.00 224,409.0000 0 36.91% 0.00%
Feb. 5, 2025 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer A Common Stock 89000 $0.00 313,409.0000 0 39.66% 0.00%
June 10, 2024 Pyxis Oncology, Inc. $PYXS Metzger Michael A Not found A Stock Option (Right to Buy) 70683 $0.00 70,683.0000 39,904,603 9999.99% 0.18%
Feb. 7, 2024 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer A Common Stock 107250 $0.00 124,909.0000 0 607.34% 0.00%
Feb. 7, 2024 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer A Common Stock 39000 $0.00 163,909.0000 0 31.22% 0.00%
Feb. 6, 2023 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer M Common Stock 5959 $6.38 23,618.0000 0 33.74% 0.00%
Feb. 6, 2023 Syndax Pharmaceuticals Inc $SNDX 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 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer S Common Stock 5959 $27.64 17,659.0000 0 25.23% 0.00%
Feb. 2, 2023 Syndax Pharmaceuticals Inc $SNDX Metzger Michael A Chief Executive Officer A Stock Options (Right to buy) 410000 $28.55 410,000.0000 0 9999.99% 0.00%