8 insiders reported 18 Form 4 transactions for Compass Therapeutics, Inc. (CMPX) over the past 18 months (most recent 2026-04-30). Recent activity: Lerner Neil (Chief Accounting Officer) Buy 15,000 shares, Anderman Jonathan (General Counsel) Buy 25,000 shares, Lerner Neil (Chief Accounting Officer) Buy 15,000 shares, Anderman Jonathan (General Counsel) Buy 25,000 shares, Schuetz Thomas J. (CHIEF EXECUTIVE OFFICER) Sell 36,687 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-30 | Lerner Neil | Chief Accounting Officer | Buy | 15,000 | $28,350 |
| 2026-04-30 | Anderman Jonathan | General Counsel | Buy | 25,000 | $47,250 |
| 2026-04-29 | Lerner Neil | Chief Accounting Officer | Buy | 15,000 | $28,350 |
| 2026-04-29 | Anderman Jonathan | General Counsel | Buy | 25,000 | $47,250 |
| 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 |
Source: SEC Form 4 filings · as of 2026-04-30