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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| DTM | Slater David | Exec. Chair and CEO | Feb 01 '26 | Option Exercise | 0.00 | 54,645 | 0 | 203,379 | Feb 03 12:00 AM |
| DTM | Slater David | President and CEO | Aug 02 '25 | Option Exercise | 0.00 | 95,450 | 0 | 198,312 | Aug 04 12:00 AM |
| DTM | Slater David | President and CEO | Feb 04 '25 | Option Exercise | 0.00 | 44,352 | 0 | 96,632 | Feb 06 12:00 AM |
| DTM | Slater David | President and CEO | Aug 02 '24 | Option Exercise | 0.00 | 46,913 | 0 | 85,214 | Aug 06 12:00 AM |
| DTM | Slater David | President and CEO | Jan 27 '24 | Option Exercise | 0.00 | 11,263 | 0 | 52,323 | Jan 30 12:00 AM |
| DTM | Slater David | President and CEO | Aug 02 '23 | Option Exercise | 0.00 | 45,756 | 0 | 65,249 | Aug 04 12:00 AM |
| DTM | Slater David | President and CEO | May 08 '23 | Buy | 46.57 | 1,500 | 69,855 | 33,273 | May 08 12:00 AM |
| DTM | Slater David | President and CEO | Jan 29 '23 | Option Exercise | 0.00 | 10,273 | 0 | 25,547 | Jan 31 12:00 AM |
| DTM | Slater David | President and CEO | Jan 30 '22 | Option Exercise | 0.00 | 8,585 | 0 | 18,764 | Feb 10 12:00 AM |