| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For DTM | |||||
| 2026-05-15 | Jewell, Jeffrey A | Executive V.P., CFO | Purchased | 150 | $147.73 |
| 2026-05-06 | Archon, Angela N | Director | Purchased | 1178 | $0.00 |
| 2026-05-06 | Archon, Angela N | Director | Sold | 1145 | $0.00 |
| 2026-05-05 | Archon, Angela N | Director | Purchased | 1093 | $0.00 |
| 2026-05-05 | Pickle, Elaine M | Director | Purchased | 1093 | $0.00 |
| 2026-05-05 | Baker, Stephen W | Director | Purchased | 1093 | $0.00 |
| 2026-05-05 | Tumminello, Peter I | Director | Purchased | 1093 | $0.00 |
| 2026-05-05 | Skaggs, Robert C Jr | Director | Purchased | 1093 | $0.00 |
| 2026-05-05 | Wilson, Dwayne Andree | Director | Purchased | 1093 | $0.00 |
| 2026-05-04 | Jewell, Jeffrey A | Executive V.P., CFO | Sold | 13209.2 | $0.00 |
| 2026-05-04 | Jewell, Jeffrey A | Executive V.P., CFO | Purchased | 16109 | $0.00 |
| 2026-05-04 | Jewell, Jeffrey A | Executive V.P., CFO | Sold | 16109 | $138.70 |
| 2026-03-05 | Finland, Joseph Peter | Chief Accounting Officer | Sold | 412 | $141.77 |
| 2026-03-05 | Finland, Joseph Peter | Chief Accounting Officer | Purchased | 1033 | $0.00 |
| 2026-03-05 | Finland, Joseph Peter | Chief Accounting Officer | Sold | 965 | $0.00 |
| 2026-02-26 | Tumminello, Peter I | Director | Sold | 2002 | $135.79 |
| 2026-02-25 | Jewell, Jeffrey A | Executive V.P., CFO | Purchased | 185 | $136.33 |
| 2026-02-20 | Jewell, Jeffrey A | Executive V.P., CFO | Purchased | 5287 | $0.00 |
| 2026-02-20 | Zona, Christopher | President and Chief Oper. Off. | Purchased | 5853 | $0.00 |
| 2026-02-20 | Finland, Joseph Peter | Chief Accounting Officer | Purchased | 161 | $0.00 |