Compass Therapeutics, Inc. (CMPX) Insider Ownership

Historic Ownership Trends

There are no significant Insider Shareholders in Compass Therapeutics as of December 12, 2025.

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Thomas J. Schuetz Chief Executive Officer 6,436,800 18 Nov, 2025
Vered Bisker-Leib Chief Executive Officer 3,124,426 09 Feb, 2024
Miranda Jayne Toledano 1,791,549 29 Jun, 2021
Barry Shin Cfo 400,000 10 Dec, 2024
Neil Lerner Chief Accounting Officer 320,000 08 Apr, 2025
Jonathan Anderman Gen Counsel & Corporate Sec 21,000 08 Apr, 2025

* 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
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 Advisors Llc Orbimed Common Stock D 3,571,428 $1.59 0 I S
09 Apr, 2025 Carl L Gordon - - 0 I
09 Apr, 2025 Carl L Gordon Common Stock D 3,571,428 $1.59 0 I S
07 Apr, 2025 Jonathan Anderman - - 21,000 D
07 Apr, 2025 Neil Lerner Common Stock A 20,000 $1.42 320,000 D P
07 Apr, 2025 Jonathan Anderman Common Stock A 20,000 $1.54 21,000 D P
08 Feb, 2025 Thomas J. Schuetz Common Stock D 41,687 $3.50 6,470,825 D F
09 Jan, 2025 Thomas J. Schuetz Common Stock D 58,054 $1.86 6,512,512 D F
09 Dec, 2024 Barry Shin Common Stock A 400,000 $1.65 400,000 D A
09 Dec, 2024 Barry Shin - - 400,000 D
08 Feb, 2024 Vered Bisker-Leib Common Stock D 49,198 $1.45 3,124,426 D F
08 Feb, 2024 Thomas J. Schuetz Common Stock D 44,782 $1.45 6,570,566 D F
09 Jan, 2024 Thomas J. Schuetz Common Stock A 637,500 $1.93 6,615,348 D A
09 Jan, 2024 Thomas J. Schuetz - - 6,615,348 D
09 Jan, 2024 Vered Bisker-Leib Common Stock A 1,753,125 $1.93 3,173,624 D A
17 Nov, 2023 Vered Bisker-Leib Common Stock D 64,415 $1.50 1,420,499 D F
17 Nov, 2023 Thomas J. Schuetz Common Stock D 44,025 $1.50 5,977,848 D F
10 Mar, 2023 Thomas J. Schuetz Common Stock A 10,000 $3.37 6,021,873 D P