| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 05/22/2023 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 375 | $4.93 | $1.8k | | 05/22/2023 |
| 05/15/2023 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 337 | $4.87 | $1.6k | | 05/15/2023 |
| 12/16/2022 | PSYCHEMEDICS CORP | PMD | Purchase | Common Stock, $.005 Par Value | 100 | $4.95 | $495 | | 12/16/2022 |
| 11/11/2022 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 525 | $6.18 | $3.2k | | 11/11/2022 |
| 05/20/2022 | PSYCHEMEDICS CORP | PMD | Grant | Common Stock, $.005 Par Value | 5k | $0.00 | $0 | | 05/20/2022 |
| 05/13/2022 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 337 | $6.44 | $2.2k | | 05/13/2022 |
| 11/12/2021 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 612 | $8.50 | $5.2k | | 11/12/2021 |
| 05/13/2021 | PSYCHEMEDICS CORP | PMD | Grant | Common Stock, $.005 Par Value | 4.5k | $0.00 | $0 | | 05/13/2021 |
| 11/18/2020 | PSYCHEMEDICS CORP | PMD | Purchase | Common Stock, $.005 Par Value | 500 | $4.20 | $2.1k | | 11/18/2020 |
| 11/11/2020 | PSYCHEMEDICS CORP | PMD | Grant | Stock Option (Right to Buy) | 2k | $4.07 | $8.1k | | 11/11/2020 |
| 11/11/2020 | PSYCHEMEDICS CORP | PMD | Grant | Common Stock, $.005 Par Value | 7k | $0.00 | $0 | | 11/11/2020 |
| 06/14/2019 | PSYCHEMEDICS CORP | PMD | Sale | Common Stock, $.005 Par Value | 3.9k | $9.61 | $37.5k | | 06/12/2019 |
| 06/13/2019 | PSYCHEMEDICS CORP | PMD | Sale | Common Stock, $.005 Par Value | 2.6k | $9.82 | $25.8k | | 06/12/2019 |
| 06/12/2019 | PSYCHEMEDICS CORP | PMD | Sale | Common Stock, $.005 Par Value | 2.8k | $9.84 | $27.6k | | 06/12/2019 |
| 05/03/2019 | PSYCHEMEDICS CORP | PMD | Grant | Stock Option (Right to Buy) | 10k | $10.60 | $106k | | 05/03/2019 |
| 04/30/2019 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 124 | $11.60 | $1.4k | | 04/30/2019 |
| 09/06/2018 | PSYCHEMEDICS CORP | PMD | Sale | Common Stock, $.005 Par Value | 6.3k | $19.23 | $121.6k | | 09/06/2018 |
| 05/08/2018 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 323 | $20.21 | $6.5k | | 05/08/2018 |
| 05/03/2018 | PSYCHEMEDICS CORP | PMD | Grant | Stock Option (Right to Buy) | 5k | $21.04 | $105.2k | | 05/03/2018 |
| 04/30/2018 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 112 | $21.06 | $2.4k | | 04/30/2018 |
| 05/04/2017 | PSYCHEMEDICS CORP | PMD | Grant | Stock Option (Right to Buy) | 8k | $18.87 | $151k | | 05/04/2017 |
| 05/08/2016 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 415 | $14.02 | $5.8k | | 05/08/2016 |
| 04/22/2013 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 1.2k | $11.76 | $13.8k | | 04/22/2013 |
| 11/09/2012 | PSYCHEMEDICS CORP | PMD | Grant | Common Stock, $.005 Par Value | 470 | $11.47 | $5.4k | | 11/09/2012 |
| 05/22/2012 | PSYCHEMEDICS CORP | PMD | Grant | Common Stock, $.005 Par Value | 8.5k | $0.00 | $0 | | 05/22/2012 |
| 05/16/2011 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 413 | $10.71 | $4.4k | | 05/16/2011 |
| 05/10/2011 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 409 | $10.62 | $4.3k | | 05/10/2011 |