Compass Therapeutics, Inc. (CMPX) Insider Ownership

Historic Insider Ownership Trends

Compass Therapeutics's three largest insider shareholders as of March 23, 2026 are Thomas J. Schuetz (Chief Executive Officer, 6.60Mn shares), Vered Bisker-Leib (Chief Executive Officer, 3.12Mn shares), Miranda Jayne Toledano (Director, 1.79Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Thomas J. Schuetz Chief Executive Officer 6,603,336 0 10 Feb, 2026
Vered Bisker-Leib Chief Executive Officer 3,124,426 0 09 Feb, 2024
Miranda Jayne Toledano 1,791,549 0 29 Jun, 2021
Barry Shin Cfo 525,000 0 05 Jan, 2026
Neil Lerner Chief Accounting Officer 382,500 0 05 Jan, 2026
Jonathan Anderman General Counsel 171,000 0 05 Jan, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
08 Feb, 2026 Thomas J. Schuetz Common Stock D 36,687 $6.52 6,603,336 D F
09 Jan, 2026 Thomas J. Schuetz Common Stock D 46,777 $5.35 6,640,023 D F
02 Jan, 2026 Thomas J. Schuetz Common Stock A 250,000 $5.17 6,686,800 D A
02 Jan, 2026 Barry Shin Common Stock A 125,000 $5.17 525,000 D A
02 Jan, 2026 James P Boylan Stock Option (Right to Buy) A 90,000 $0.00 90,000 D A
02 Jan, 2026 Philip Ferneau Stock Option (Right to Buy) A 90,000 $0.00 90,000 D A
02 Jan, 2026 Arjun Prasad STOCK OPTION (RIGHT TO BUY) A 1,000,000 $0.00 1,000,000 D A
02 Jan, 2026 Neil Lerner Common Stock A 62,500 $5.17 382,500 D A
02 Jan, 2026 Cynthia Sirard STOCK OPTION (RIGHT TO BUY) A 1,000,000 $0.00 1,000,000 D A
02 Jan, 2026 Richard S Lindahl Stock Option (Right to Buy) A 90,000 $0.00 90,000 D A
02 Jan, 2026 Mary Ann Gray Stock Option (Right to Buy) A 90,000 $0.00 90,000 D A
02 Jan, 2026 Jonathan Anderman Common Stock A 150,000 $5.17 171,000 D A
02 Jan, 2026 Carl L Gordon Stock Option (Right to Buy) A 90,000 $0.00 90,000 D A
02 Jan, 2026 Jonathan Anderman Stock Option (Right to Buy) A 720,000 $0.00 720,000 D A
02 Jan, 2026 Neil Lerner Stock Option (Right to Buy) A 435,000 $0.00 435,000 D A
02 Jan, 2026 Thomas J. Schuetz Stock Option (Right to Buy) A 2,000,000 $0.00 2,000,000 D A
02 Jan, 2026 Barry Shin Stock Option (Right to Buy) A 670,000 $0.00 670,000 D A
16 Nov, 2025 Thomas J. Schuetz Common Stock D 44,025 $4.83 6,436,800 D F
27 May, 2025 Thomas J. Schuetz Common Stock A 10,000 $2.11 6,480,825 D P
09 Apr, 2025 Carl L Gordon Common Stock D 3,571,428 $1.59 0 I S