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UBS Group AG
> PMD
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | PSYCHEMEDICS CORP | PMD | 47 | -76 | 214,000 | -432,000 | $4,553.19 |
| 03/31/2023 | PSYCHEMEDICS CORP | PMD | 123 | -4,551 | 646,000 | -22,303,000 | $5,252.03 |
| 12/31/2022 | PSYCHEMEDICS CORP | PMD | 4,674 | 1,570 | 22,949,000 | 22,929,000 | $4,909.93 |
| 09/30/2022 | PSYCHEMEDICS CORP | PMD | 3,104 | 2,594 | 20,000 | 17,000 | $6.44 |
| 06/30/2022 | PSYCHEMEDICS CORP | PMD | 510 | -1,236 | 3,000 | -9,000 | $5.88 |
| 03/31/2022 | PSYCHEMEDICS CORP | PMD | 1,746 | 511 | 12,000 | 4,000 | $6.87 |
| 12/31/2021 | PSYCHEMEDICS CORP | PMD | 1,235 | 81 | 8,000 | -1,000 | $6.48 |
| 09/30/2021 | PSYCHEMEDICS CORP | PMD | 1,154 | -1,625 | 9,000 | -10,000 | $7.80 |
| 06/30/2021 | PSYCHEMEDICS CORP | PMD | 2,779 | 1,252 | 19,000 | 11,000 | $6.84 |
| 12/31/2020 | PSYCHEMEDICS CORP | PMD | 1,527 | 1,482 | 8,000 | 7,802 | $5.24 |
| 09/30/2020 | PSYCHEMEDICS CORP | PMD | 45 | -1,335 | 198 | -6,802 | $4.41 |
| 06/30/2020 | PSYCHEMEDICS CORP | PMD | 1,380 | 906 | 7,000 | 4,000 | $5.07 |
| 03/31/2020 | PSYCHEMEDICS CORP | PMD | 474 | -2,059 | 3,000 | -20,000 | $6.33 |
| 12/31/2019 | PSYCHEMEDICS CORP | PMD | 2,533 | 623 | 23,000 | 6,000 | $9.08 |
| 09/30/2019 | PSYCHEMEDICS CORP | PMD | 1,910 | -1,525 | 17,000 | -18,000 | $8.90 |
| 06/30/2019 | PSYCHEMEDICS CORP | PMD | 3,435 | 3,435 | 35,000 | 35,000 | $10.19 |
| 12/31/2018 | PSYCHEMEDICS CORP | PMD | 0 | -5,499 | 0 | -103,000 | |
| 09/30/2018 | PSYCHEMEDICS CORP | PMD | 5,499 | 5,292 | 103,000 | 99,000 | $18.73 |
| 06/30/2018 | PSYCHEMEDICS CORP | PMD | 207 | 207 | 4,000 | 4,000 | $19.32 |
| 09/30/2017 | PSYCHEMEDICS CORP | PMD | 0 | -100 | 0 | -3,000 | |
| 06/30/2017 | PSYCHEMEDICS CORP | PMD | 100 | -1,979 | 3,000 | -39,000 | $30.00 |
| 03/31/2017 | PSYCHEMEDICS CORP | PMD | 2,079 | 596 | 42,000 | 6,000 | $20.20 |
| 12/31/2016 | PSYCHEMEDICS CORP | PMD | 1,483 | 277 | 36,000 | 12,000 | $24.28 |
| 09/30/2016 | PSYCHEMEDICS CORP | PMD | 1,206 | 1,206 | 24,000 | 24,000 | $19.90 |
| 06/30/2016 | PSYCHEMEDICS CORP | PMD | 200 | 0 | 3,000 | 0 | $15.00 |
| 03/31/2016 | PSYCHEMEDICS CORP | PMD | 200 | -1,677 | 3,000 | -16,000 | $15.00 |
| 12/31/2015 | PSYCHEMEDICS CORP | PMD | 2,608 | 731 | 26,000 | 7,000 | $9.97 |
| 09/30/2015 | PSYCHEMEDICS CORP | PMD | 1,877 | 1,677 | 19,000 | 16,000 | $10.12 |
| 06/30/2015 | PSYCHEMEDICS CORP | PMD | 200 | -1,181 | 3,000 | -20,000 | $15.00 |
| 03/31/2015 | PSYCHEMEDICS CORP | PMD | 1,381 | -1,669 | 23,000 | -23,000 | $16.65 |
| 12/31/2014 | PSYCHEMEDICS CORP | PMD | 3,050 | 3,050 | 46,000 | 46,000 | $15.08 |
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