Companies / Compass Therapeutics, Inc.
Compass Therapeutics, Inc.
Nasdaq: CMPXCIK 1738021BOSTON, MA
Financials
Ownership
180.1M shares outstanding · as of Jul 28, 2026
Ownership
| Insiders | 4.27% | 7,681,836 |
| 10%+ / strategic | 10.68% | 19,225,297 |
| Institutions | 82.11% | 147,872,070 |
| Public float | 2.95% | 5,308,712 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 12
View all →| Insider | % of shares | Shares |
|---|---|---|
Schuetz Thomas J.CEOCHIEF EXECUTIVE OFFICER · Director | 3.67% | 6,603,336 |
Shin BarryCFO | 0.29% | 525,000 |
Lerner NeilChief Accounting Officer | 0.21% | 382,500 |
Anderman JonathanGeneral Counsel | 0.09% | 171,000 |
Boylan James PDirector | — | — |
Chiniara EllenDirector | — | — |
Ferneau PhilipDirector | — | — |
Gordon Carl LDirector | — | — |
Gray Mary AnnDirector | — | — |
Lindahl Richard SDirector | — | — |
Institutional holders 178
View all →| Holder | Value | % of shares |
|---|---|---|
| $88.82M | 9.32% | |
| $80.51M | 8.45% | |
| $76.16M | 7.88% | |
| $51.26M | 5.30% | |
| $44.89M | 4.71% | |
| $43.22M | 4.47% | |
| $41.82M | 4.32% | |
| $41.08M | 4.31% | |
| $24.71M | 6.26% | |
| $21.80M | 5.53% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Jan 2, 2026 | Schuetz Thomas J. CEO | Grant | Common Stock | $1.29M | +250K +3.88% | 6,686,800 3.71% of shares | low |
| Jan 2, 2026 | Anderman Jonathan Executive | Grant | Common Stock | $775.5K | +150K +714.29% | 171,000 0.09% of shares | low |
| Jan 2, 2026 | Shin Barry Executive | Grant | Common Stock | $646.3K | +125K +31.25% | 525,000 0.29% of shares | low |
| Jan 2, 2026 | Lerner Neil Executive | Grant | Common Stock | $323.1K | +63K +19.53% | 382,500 0.21% of shares | low |
| Jan 9, 2026 | Schuetz Thomas J. CEO | Other | Common Stock | $250.3K | -47K -0.70% | 6,640,023 3.69% of shares | low |
| Feb 8, 2026 | Schuetz Thomas J. CEO | Other | Common Stock | $239.2K | -37K -0.55% | 6,603,336 3.67% of shares | low |
| Jan 2, 2026 | Ferneau Philip Director | Grant | Stock Option (Right to Buy) | — | +90K | 90,000 0.05% of shares | low |
| Jan 2, 2026 | Sirard Cynthia Executive | Grant | STOCK OPTION (RIGHT TO BUY) | — | +1.0M | 1,000,000 0.56% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| State Street Corporation | Passive13G | — |
| Blackstone Annex Master Fund L.P. | Passive13G/A | — |
| BlackRock, Inc. | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| CMPX | — | 20454B104 |