Neil Lerner, Chief Accounting Officer at Compass Therapeutics, bought CMPX on Sep 24, 2026
Data as of Oct 16
- Traded
- Sep 24, 2026
- Disclosed
- Sep 25, 2026
- Filed
- 1 day after the trade
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
CMPX since disclosure
−23.9%
Similar stocks (XLV) since disclosure
+3.5%
XLV — its sector index fund
Change in closing price from Sep 25, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.
Our take
None of our tested rules fired on this trade.