Neil Lerner, Chief Accounting Officer at Compass Therapeutics, Inc. (CMPX), bought 2,500 shares at $1.14 ($3K) on 2026-09-24, disclosed to the SEC on 2026-09-25.
Open-market purchase of $3k CMPX by Chief Accounting Officer. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade C.
Nothing distinguishes this filing.
| Filing → |
| PMD | SELL | 2018-05-23 | $159K | — | Filing → |
| PMD | SELL | 2016-11-21 | $74K | — | Filing → |
| PMD | BUY | 2015-09-14 | $31K | — | Filing → |