SEC Insider Transactions from Katkin Keith.

Last updated: 2026-03-14 11:48 UTC | Total transactions: 16

Katkin Keith bought Syndax Pharmaceuticals ($SNDX) shares once on the open market in the last year, totaling $91,120, with the latest purchase on May 19, 2025. This ranks 2,479th among nearly 5,000 insiders, below the average of 1.5 million per buyer and 3.3 transactions. Keith also sold Emergent BioSolutions ($EBS) shares once for $49,417, most recently on May 23, 2025, ranking 10,409th out of over 11,000 insiders versus an average of 8.6 million per seller and 6.4 transactions.

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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 Katkin Keith Not found A Common Stock 24000 $0.00 124,000.0000 86,914,838 24.00% 0.03%
Jan. 10, 2026 Eledon Pharmaceuticals, Inc. $ELDN Katkin Keith Not found M Restricted Stock Units 8575 $0.00 0.0000 77,156,068 100.00% 0.01%
Jan. 10, 2026 Eledon Pharmaceuticals, Inc. $ELDN Katkin Keith Not found M Common Stock 8575 $0.00 8,575.0000 77,156,068 9999.99% 0.01%
May 23, 2025 Emergent BioSolutions Inc. $EBS Katkin Keith Director S Common Stock 7844 $6.30 86,431.0000 53,000,000 8.32% 0.01%
May 19, 2025 Syndax Pharmaceuticals Inc $SNDX Katkin Keith Not found P Common Stock 10000 $9.11 100,000.0000 86,024,394 11.11% 0.01%
April 30, 2025 Emergent BioSolutions Inc. $EBS Katkin Keith Director A Common Stock 34403 $0.00 94,275.0000 53,000,000 57.46% 0.06%
April 30, 2025 Emergent BioSolutions Inc. $EBS Katkin Keith Director A Stock Option (Right to Buy) 15824 $0.00 41,572.0000 53,000,000 61.46% 0.03%
Feb. 5, 2025 Syndax Pharmaceuticals Inc $SNDX Katkin Keith Not found A Common Stock 25000 $0.00 90,000.0000 0 38.46% 0.00%
Jan. 10, 2025 Eledon Pharmaceuticals, Inc. $ELDN Katkin Keith Not found A Stock Option (right to buy) 77175 $0.00 77,175.0000 48,543,787 9999.99% 0.16%
Jan. 10, 2025 Eledon Pharmaceuticals, Inc. $ELDN Katkin Keith Not found A Restricted Stock Units 8575 $0.00 8,575.0000 48,543,787 9999.99% 0.02%
May 23, 2024 Emergent BioSolutions Inc. $EBS Katkin Keith Director A Stock Option (Right to Buy) 25748 $0.00 25,748.0000 51,200,000 9999.99% 0.05%
May 23, 2024 Emergent BioSolutions Inc. $EBS Katkin Keith Director A Common Stock 17430 $0.00 59,872.0000 51,200,000 41.07% 0.03%
Feb. 7, 2024 Syndax Pharmaceuticals Inc $SNDX Katkin Keith Not found A Common Stock 17000 $0.00 65,000.0000 0 35.42% 0.00%
May 1, 2023 Eledon Pharmaceuticals, Inc. $ELDN Katkin Keith Director A Stock Option (right to buy) 752185 $0.00 752,185.0000 0 9999.99% 0.00%
Feb. 2, 2023 Syndax Pharmaceuticals Inc $SNDX Katkin Keith Not found A Common Stock 16000 $0.00 48,000.0000 0 50.00% 0.00%
Feb. 1, 2023 Eledon Pharmaceuticals, Inc. $ELDN Katkin Keith Director A Stock Option (right to buy) 20000 $0.00 20,000.0000 0 9999.99% 0.00%