Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2025-04-07 Purchase |
2025-04-08 09:25 am |
Compass Therapeutics Inc. | CMPX | Lerner Neil CHIEF ACCOUNTING OFFICER |
20,000 | $1.42 | $28,400 | 320,000 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-02-11 Option Award |
2025-02-13 5:11 pm |
N/A 2035-02-11 |
Compass Therapeutics Inc. | CMPX | Lerner Neil SVP, CAO |
200,000 | $0 | 200,000 (Direct) |
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Ownership |
2024-12-10 2:00 pm |
N/A N/A |
Compass Therapeutics Inc. | CMPX | Lerner Neil VP Finance |
0 | $0 | 880,000 (Direct) |
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2020-11-11 Option Award |
2020-11-13 4:38 pm |
N/A 2030-11-11 |
PSYCHEMEDICS CORP | PMD | Lerner Neil VP - Finance |
13,000 | $0 | 28,866 (Direct) |
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2020-05-04 Tax Withholding |
2020-05-06 7:21 pm |
N/A N/A |
PSYCHEMEDICS CORP | PMD | Lerner Neil VP - Finance |
399 | $5.75 | 15,866 (Direct) |
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