Compass Therapeutics, Inc. - CMPX

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
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Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Apr 30, 2026 Chief Accounting Officer P A 15,000.0 1.89 28,350.0 397,500.0 View
Apr 30, 2026 General Counsel P A 25,000.0 1.89 47,250.0 196,000.0 View
Apr 29, 2026 General Counsel A A 25,000.0 1.89 47,250.0 196,000.0 View
Apr 29, 2026 Chief Accounting Officer A A 15,000.0 1.89 28,350.0 397,500.0 View
Feb 10, 2026 CHIEF EXECUTIVE OFFICER F D 36,687.0 6.52 239,199.24 6,603,336.0 View
Jan 12, 2026 CHIEF EXECUTIVE OFFICER F D 46,777.0 5.35 250,256.95 6,640,023.0 View
Jan 05, 2026 CFO A A 670,000.0 0.0 0.0 670,000.0 View
Jan 05, 2026 CFO A A 125,000.0 5.17 646,250.0 525,000.0 View
Jan 05, 2026 Chief Medical Officer A A 1,000,000.0 0.0 0.0 1,000,000.0 View
Jan 05, 2026 CEO A A 2,000,000.0 0.0 0.0 2,000,000.0 View
Jan 05, 2026 CEO A A 250,000.0 5.17 1,292,500.0 6,686,800.0 View
Jan 05, 2026 Chief Commercial Officer A A 1,000,000.0 0.0 0.0 1,000,000.0 View
Jan 05, 2026 A A 90,000.0 0.0 0.0 90,000.0 View
Jan 05, 2026 A A 90,000.0 0.0 0.0 90,000.0 View
Jan 05, 2026 Chief Accounting Officer A A 435,000.0 0.0 0.0 435,000.0 View
Jan 05, 2026 Chief Accounting Officer A A 62,500.0 5.17 323,125.0 382,500.0 View
Jan 05, 2026 A A 90,000.0 0.0 0.0 90,000.0 View
Jan 05, 2026 A A 90,000.0 0.0 0.0 90,000.0 View
Jan 05, 2026 A A 90,000.0 0.0 0.0 90,000.0 View
Jan 05, 2026 A A 90,000.0 0.0 0.0 90,000.0 View
Jan 05, 2026 General Counsel A A 720,000.0 0.0 0.0 720,000.0 View
Jan 05, 2026 General Counsel A A 150,000.0 5.17 775,500.0 171,000.0 View