SEC Insider Transactions from Anderman Jonathan.

Last updated: 2026-03-14 11:43 UTC | Total transactions: 5

Jonathan Anderman, General Counsel and Corporate Secretary of Compass Therapeutics, Inc. ($CMPX), made one open market purchase of company shares worth $30,800 in the last 365 days, with the most recent on April 7, 2025. This ranks him 3,406th among 4,983 insiders in our database by purchase amount, below the average of $1.46 million across 3.29 transactions per insider. He reported no open market sales 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
Jan. 2, 2026 Compass Therapeutics, Inc. $CMPX Anderman Jonathan General Counsel A Common Stock 150000 $5.17 171,000.0000 177,862,102 714.29% 0.08%
Jan. 2, 2026 Compass Therapeutics, Inc. $CMPX Anderman Jonathan General Counsel A Stock Option (Right to Buy) 720000 $0.00 720,000.0000 177,862,102 9999.99% 0.40%
April 7, 2025 Compass Therapeutics, Inc. $CMPX Anderman Jonathan Gen Counsel & Corporate Sec P Common Stock 20000 $1.54 21,000.0000 138,282,498 2000.00% 0.01%
Feb. 11, 2025 Compass Therapeutics, Inc. $CMPX Anderman Jonathan Sr VP, Gen Counsel & Corp Sec A Stock Option (Right to Buy) 280000 $0.00 280,000.0000 0 9999.99% 0.00%
Aug. 13, 2024 Compass Therapeutics, Inc. $CMPX Anderman Jonathan Sr VP, Gen Counsel & Corp Sec A Stock Option (Right to Buy) 300000 $0.00 300,000.0000 0 9999.99% 0.00%