| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 05/22/2023 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 1.5k | $4.93 | $7.4k | | 05/22/2023 |
| 05/15/2023 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 1.7k | $4.87 | $8.4k | | 05/15/2023 |
| 11/11/2022 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 2.6k | $6.18 | $16.2k | | 11/11/2022 |
| 05/20/2022 | PSYCHEMEDICS CORP | PMD | Grant | Common Stock, $.005 Par Value | 20k | $0.00 | $0 | | 05/20/2022 |
| 05/13/2022 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 1.7k | $6.44 | $11.1k | | 05/13/2022 |
| 11/12/2021 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 3.1k | $8.50 | $26k | | 11/12/2021 |
| 05/13/2021 | PSYCHEMEDICS CORP | PMD | Grant | Common Stock, $.005 Par Value | 23k | $0.00 | $0 | | 05/13/2021 |
| 12/08/2020 | PSYCHEMEDICS CORP | PMD | Purchase | Common Stock, $.005 Par Value | 1000 | $5.00 | $5k | | 12/08/2020 |
| 11/12/2020 | PSYCHEMEDICS CORP | PMD | Purchase | Common Stock, $.005 Par Value | 1000 | $3.93 | $3.9k | | 11/12/2020 |
| 11/12/2020 | PSYCHEMEDICS CORP | PMD | Purchase | Common Stock, $.005 Par Value | 1000 | $3.79 | $3.8k | | 11/12/2020 |
| 11/11/2020 | PSYCHEMEDICS CORP | PMD | Grant | Common Stock, $.005 Par Value | 35k | $0.00 | $0 | | 11/11/2020 |
| 11/11/2020 | PSYCHEMEDICS CORP | PMD | Grant | Stock Option (Right to Buy) | 15k | $4.07 | $61k | | 11/11/2020 |
| 06/14/2019 | PSYCHEMEDICS CORP | PMD | Purchase | Common Stock, $.005 Par Value | 1000 | $9.99 | $10k | | 06/14/2019 |
| 05/03/2019 | PSYCHEMEDICS CORP | PMD | Grant | Stock Option ( Right to Buy) | 60k | $10.60 | $636k | | 05/03/2019 |
| 04/30/2019 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 1.1k | $11.60 | $12.2k | | 04/30/2019 |
| 05/08/2018 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 957 | $20.21 | $19.3k | | 05/08/2018 |
| 05/03/2018 | PSYCHEMEDICS CORP | PMD | Grant | Stock Option ( Right to Buy) | 28k | $21.04 | $589.1k | | 05/03/2018 |
| 04/30/2018 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 846 | $21.06 | $17.8k | | 04/30/2018 |
| 04/30/2018 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 846 | $21.06 | $17.8k | | 04/30/2018 |
| 11/14/2017 | PSYCHEMEDICS CORP | PMD | Purchase | Common Stock, $.005 Par Value | 1000 | $16.88 | $16.9k | | 11/14/2017 |
| 05/01/2017 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 909 | $18.56 | $16.9k | | 05/01/2017 |
| 05/23/2016 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 1.8k | $13.28 | $23.7k | | 05/23/2016 |
| 05/23/2016 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 1.4k | $13.26 | $18.3k | | 05/23/2016 |
| 05/12/2016 | PSYCHEMEDICS CORP | PMD | Grant | Stock Option (Right to Buy) | 42k | $13.82 | $580.4k | | 05/12/2016 |
| 05/08/2016 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 1.1k | $14.02 | $14.8k | | 05/08/2016 |
| 05/24/2012 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 1.5k | $9.74 | $14.6k | | 05/24/2012 |
| 05/22/2012 | PSYCHEMEDICS CORP | PMD | Grant | Common Stock, $.005 Par Value | 22k | $0.00 | $0 | | 05/22/2012 |
| 05/16/2011 | PSYCHEMEDICS CORP | PMD | Payment of Exercise | Common Stock, $.005 Par Value | 1.2k | $10.71 | $12.8k | | 05/16/2011 |