Compass Therapeutics Inc. (CMPX) - Insider Holders & Insider Ownership

List of insiders holdings for Compass Therapeutics Inc.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time
Shares Owned
Directly
Indirectly
Total
Shares Owned
Filing
1ORBIMED ADVISORS LLC
OrbiMed Capital GP VI LLC
OrbiMed Genesis GP LLC
Director
10% Owner
2025-08-15 17:28:0415,219,994
0
15,219,994Form 13D
2ORBIMED ADVISORS LLC
OrbiMed Capital GP V LLC
OrbiMed Genesis GP LLC
Director
10% Owner
2025-08-15 17:28:0415,219,994
0
15,219,994Form 13D
3Schuetz Thomas J.
CHIEF EXECUTIVE OFFICER
2026-02-10 08:00:156,603,336
0
6,603,336Form 4
4Tompkins Mark N.
Director
10% Owner
2019-02-13 14:03:254,750,000
0
4,750,000Form 13G
5Toledano Miranda Jayne
Director
2021-06-29 14:31:383,633,098
0
3,633,098Form 4
6ANDERSON ERRIK
10% Owner
2021-12-17 15:14:533,546,730
0
3,546,730Form 13G
7Bisker-Leib Vered
CHIEF EXECUTIVE OFFICER
2024-02-09 12:50:393,124,426
0
3,124,426Form 4
8Sunderland Julie
Director
2020-06-23 21:38:340
2,502,025
2,502,025Form 4
9Shin Barry
CFO
2026-01-05 16:33:591,195,000
0
1,195,000Form 4
10Sirard Cynthia
Chief Medical Officer
2026-01-05 16:33:551,000,000
0
1,000,000Form 4
11Prasad Arjun
Chief Commercial Officer
2026-01-05 16:33:321,000,000
0
1,000,000Form 4
12Anderman Jonathan
General Counsel
2026-01-05 16:32:06891,000
0
891,000Form 4
13Lerner Neil
Chief Accounting Officer
2026-01-05 16:32:59817,500
0
817,500Form 4
14Jacobs Ian Seth
President, Sec, CEO, & CFO
2018-07-30 06:03:15250,000
0
250,000Form 3
15GORDON CARL L
Director
2026-01-05 16:32:1990,000
0
90,000Form 4
16LINDAHL RICHARD S
Director
2026-01-05 16:33:2190,000
0
90,000Form 4
17Chiniara Ellen
Director
2026-01-05 16:33:0490,000
0
90,000Form 4
18GRAY MARY ANN
Director
2026-01-05 16:32:4190,000
0
90,000Form 4
19Boylan James P
Director
2026-01-05 16:32:3690,000
0
90,000Form 4
20Ferneau Philip
Director
2026-01-05 16:32:0990,000
0
90,000Form 4
21Kalled Susan
Chief Scientific Officer
2022-02-23 17:30:4160,000
0
60,000Form 4/A
22WURZER DAVID M
Director
2023-02-10 16:01:3050,000
0
50,000Form 4
23SQUINTO STEPHEN P
Director
2022-02-23 17:45:1830,000
0
30,000Form 4
24Kaplan Brett
Director
2022-02-23 17:45:2330,000
0
30,000Form 4