Neil Lerner, Chief Accounting Officer of Compass Therapeutics, Inc. ($CMPX), made one open market purchase of common shares worth $28,400 in the last 365 days, with the most recent on April 7, 2025. This ranks 3,492nd among 4,983 insiders by purchase amount, well below the average of $1.5 million across 3.29 transactions per insider. Lerner had no open market sales in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 2, 2026 | Compass Therapeutics, Inc. | $CMPX | Lerner Neil | Chief Accounting Officer | A | Common Stock | 62500 | $5.17 | 382,500.0000 | 177,862,102 | 19.53% | 0.04% |
| Jan. 2, 2026 | Compass Therapeutics, Inc. | $CMPX | Lerner Neil | Chief Accounting Officer | A | Stock Option (Right to Buy) | 435000 | $0.00 | 435,000.0000 | 177,862,102 | 9999.99% | 0.24% |
| April 7, 2025 | Compass Therapeutics, Inc. | $CMPX | Lerner Neil | CHIEF ACCOUNTING OFFICER | P | Common Stock | 20000 | $1.42 | 320,000.0000 | 138,282,498 | 6.67% | 0.01% |
| Feb. 11, 2025 | Compass Therapeutics, Inc. | $CMPX | Lerner Neil | SVP, CAO | A | Stock Option (Right to Buy) | 200000 | $0.00 | 200,000.0000 | 0 | 9999.99% | 0.00% |