| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/17/2023 | PSYCHEMEDICS CORP | PMD | Sale | Common Stock, $.005 Par Value | 12.7k | $4.66 | $59.2k | | 08/17/2023 |
| 05/22/2023 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 825 | $4.93 | $4.1k | | 05/22/2023 |
| 05/15/2023 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 900 | $4.87 | $4.4k | | 05/15/2023 |
| 11/11/2022 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 1.4k | $6.18 | $8.3k | | 11/11/2022 |
| 05/20/2022 | PSYCHEMEDICS CORP | PMD | Grant | Common Stock, $.005 Par Value | 11k | $0.00 | $0 | | 05/20/2022 |
| 05/13/2022 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 900 | $6.44 | $5.8k | | 05/13/2022 |
| 11/12/2021 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 1.6k | $8.50 | $13.4k | | 11/12/2021 |
| 05/13/2021 | PSYCHEMEDICS CORP | PMD | Grant | Common Stock, $.005 Par Value | 12k | $0.00 | $0 | | 05/13/2021 |
| 11/11/2020 | PSYCHEMEDICS CORP | PMD | Grant | Stock Option (Right to Buy) | 7k | $4.07 | $28.5k | | 11/11/2020 |
| 11/11/2020 | PSYCHEMEDICS CORP | PMD | Grant | Common Stock, $.005 Par Value | 18k | $0.00 | $0 | | 11/11/2020 |
| 06/05/2019 | PSYCHEMEDICS CORP | PMD | Purchase | Common Stock, $.005 Par Value | 500 | $9.90 | $5k | | 06/05/2019 |
| 05/03/2019 | PSYCHEMEDICS CORP | PMD | Grant | Stock Option (Right-to-Buy) | 30k | $10.60 | $318k | | 05/03/2019 |
| 05/03/2018 | PSYCHEMEDICS CORP | PMD | Grant | Stock Option (Right-to-Buy) | 18k | $21.04 | $378.7k | | 05/03/2018 |