8 insiders reported 17 Form 4 transactions for Compass Therapeutics, Inc. (CMPX) over the past 18 months (most recent 2026-04-30). Recent activity: Anderman Jonathan (General Counsel) Buy 25,000 shares, Lerner Neil (Chief Accounting Officer) Buy 15,000 shares, Schuetz Thomas J. (CHIEF EXECUTIVE OFFICER) Sell 36,687 shares, Schuetz Thomas J. (CHIEF EXECUTIVE OFFICER) Sell 46,777 shares, Schuetz Thomas J. (CEO) Buy 250,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-30 | Anderman Jonathan | General Counsel | Buy | 25,000 | $47,250 |
| 2026-04-30 | Lerner Neil | Chief Accounting Officer | Buy | 15,000 | $28,350 |
| 2026-02-10 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Sell | 36,687 | $239,199 |
| 2026-01-12 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Sell | 46,777 | $250,257 |
| 2026-01-05 | Schuetz Thomas J. | CEO | Buy | 250,000 | $1.3M |
| 2026-01-05 | Anderman Jonathan | General Counsel | Buy | 150,000 | $775,500 |
| 2026-01-05 | Shin Barry | CFO | Buy | 125,000 | $646,250 |
| 2026-01-05 | Lerner Neil | Chief Accounting Officer | Buy | 62,500 | $323,125 |
| 2025-11-18 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Sell | 44,025 | $212,641 |
| 2025-05-27 | Schuetz Thomas J. | CHIEF EXECUTIVE OFFICER | Buy | 10,000 | $21,100 |
| 2025-04-11 | GORDON CARL L | Director | Sell | 3.6M | $5.7M |
| 2025-04-11 | ORBIMED ADVISORS LLC | Director | Sell | 3.6M | $5.7M |
| 2025-04-11 | OrbiMed Capital GP VI LLC | Director | Sell | 3.6M | $5.7M |
| 2025-04-11 | OrbiMed Genesis GP LLC | Director | Sell | 3.6M | $5.7M |
| 2025-04-08 | Lerner Neil | CHIEF ACCOUNTING OFFICER | Buy | 20,000 | $28,400 |
| 2025-04-08 | Anderman Jonathan | Gen Counsel & Corporate Sec | Buy | 20,000 | $30,800 |
| 2025-02-11 | Schuetz Thomas J. | CEO | Sell | 41,687 | $145,904 |
Source: SEC Form 4 filings · as of 2026-04-30