Compass Therapeutics, Inc. (CMPX) Insider Ownership

Historic Insider Ownership Trends

Based on data from the past 90 days ending January 09, 2026, Compass Therapeutics's three largest insider shareholders are Ceo Thomas J. Schuetz (6.69Mn shares), Chief Executive Officer Vered Bisker-Leib (3.12Mn shares), Director Miranda Jayne Toledano (1.79Mn shares).

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 Ceo 6,686,800 05 Jan, 2026
Vered Bisker-Leib Chief Executive Officer 3,124,426 09 Feb, 2024
Miranda Jayne Toledano 1,791,549 29 Jun, 2021
Barry Shin Cfo 525,000 05 Jan, 2026
Neil Lerner Chief Accounting Officer 382,500 05 Jan, 2026
Jonathan Anderman General Counsel 171,000 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
02 Jan, 2026 Neil Lerner Common Stock A 62,500 $5.17 382,500 D A
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 Jonathan Anderman Common Stock A 150,000 $5.17 171,000 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 Advisors Llc Orbimed Common Stock D 3,571,428 $1.59 0 I S
09 Apr, 2025 Advisors Llc Orbimed - - 0 I
09 Apr, 2025 Carl L Gordon Common Stock D 3,571,428 $1.59 0 I S
07 Apr, 2025 Neil Lerner Common Stock A 20,000 $1.42 320,000 D P
07 Apr, 2025 Jonathan Anderman - - 21,000 D
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 - - 400,000 D
09 Dec, 2024 Barry Shin Common Stock A 400,000 $1.65 400,000 D A
08 Feb, 2024 Thomas J. Schuetz Common Stock D 44,782 $1.45 6,570,566 D F
08 Feb, 2024 Vered Bisker-Leib Common Stock D 49,198 $1.45 3,124,426 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