CMPX Insider Trading Activity and SEC Form 4 Filings
CMPX insider trading summary
Over the past 12 months, insiders at Compass Therapeutics, Inc. (CMPX) reported 4 open-market purchases worth $97K by 2 insiders and no sales on SEC Form 4. Net insider buying was $97K.
Latest CMPX insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Oct 1, 2026 | Neil Lerner | Chief Accounting Officer | Buy | $18K (20,000 @ $0.92) |
| Sep 24, 2026 | Neil Lerner | Chief Accounting Officer | Buy | $3K (2,500 @ $1.14) |
| Apr 29, 2026 | Neil Lerner | Chief Accounting Officer | Buy | $28K (15,000 @ $1.89) |
| Apr 29, 2026 | Jonathan Anderman | General Counsel | Buy | $47K (25,000 @ $1.89) |
| May 27, 2025 | Thomas J. Schuetz | Chief Executive Officer | Buy | $21K (10,000 @ $2.11) |
| Apr 9, 2025 | Carl L Gordon | Director | Sell | $5.7M (3,571,428 @ $1.59) |
| Apr 9, 2025 | OrbiMed Capital GP VI LLC | Director | Sell | $5.7M (3,571,428 @ $1.59) |
| Apr 9, 2025 | Orbimed Advisors LLC | Director | Sell | $5.7M (3,571,428 @ $1.59) |
| Apr 9, 2025 | OrbiMed Genesis GP LLC | Director | Sell | $5.7M (3,571,428 @ $1.59) |
| Apr 7, 2025 | Neil Lerner | Chief Accounting Officer | Buy | $28K (20,000 @ $1.42) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.