| Jul 18, 2025 | McManus David | Director | DTOISS | 41,466 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Meyers Kevin Omar | Director | DTOISS | 38,597 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | McGuire Raymond J | Director | DTOISS | 5,936 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lynch Richard D. | Senior Vice President | DTOISS◆ | 3,484 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lynch Richard D. | Senior Vice President | DTOISS◆ | 2,953 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lynch Richard D. | Senior Vice President | DTOISS◆ | 2,953 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lynch Richard D. | Senior Vice President | DTOISS◆ | 2,102 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lynch Richard D. | Senior Vice President | DTOISS◆ | 2,101 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lynch Richard D. | Senior Vice President | DTOISS◆ | 2,101 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lynch Richard D. | Senior Vice President | DTOISS◆ | 6,711 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lynch Richard D. | Senior Vice President | DTOISS | 60,843 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lowery-Yilmaz Barbara J | Senior Vice President | DTOISS◆ | 3,484 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lowery-Yilmaz Barbara J | Senior Vice President | DTOISS◆ | 3,484 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lowery-Yilmaz Barbara J | Senior Vice President | DTOISS◆ | 3,484 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lowery-Yilmaz Barbara J | Senior Vice President | DTOISS◆ | 3,122 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lowery-Yilmaz Barbara J | Senior Vice President | DTOISS◆ | 3,122 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lowery-Yilmaz Barbara J | Senior Vice President | DTOISS◆ | 3,121 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lowery-Yilmaz Barbara J | Senior Vice President | DTOISS◆ | 2,312 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lowery-Yilmaz Barbara J | Senior Vice President | DTOISS◆ | 2,312 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lowery-Yilmaz Barbara J | Senior Vice President | DTOISS◆ | 2,311 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lowery-Yilmaz Barbara J | Senior Vice President | DTOISS◆ | 7,383 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lowery-Yilmaz Barbara J | Senior Vice President | DTOISS | 158,905 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Ovelmen Karyn F. | Director | DTOISS | 9,025 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Quigley James H. | Director | DTOISS | 21,409.88 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 7,375 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 10,257 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 10,256 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 4,945 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 4,945 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 4,945 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 4,387 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 4,387 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 4,387 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 3,152 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 3,152 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 3,152 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS◆ | 10,067 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS | 5,059 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Rielly John P | EVP and CFO | DTOISS | 365,637 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hill Gregory P. | COO and President, E&P | DTOISS◆ | 9 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hill Gregory P. | COO and President, E&P | DTOISS◆ | 10,293 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hill Gregory P. | COO and President, E&P | DTOISS◆ | 10,293 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hill Gregory P. | COO and President, E&P | DTOISS◆ | 10,292 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hill Gregory P. | COO and President, E&P | DTOISS◆ | 7,460 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hill Gregory P. | COO and President, E&P | DTOISS◆ | 7,460 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hill Gregory P. | COO and President, E&P | DTOISS◆ | 7,460 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hill Gregory P. | COO and President, E&P | DTOISS◆ | 23,826 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hill Gregory P. | COO and President, E&P | DTOISS | 142,594 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Holiday Edith E | Director | DTOISS | 65,067 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Lipschultz Marc S | Director | DTOISS | 22,120 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 55,310 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 55,310 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 55,309 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 79,254 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 79,254 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 79,254 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 38,211 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 38,211 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 38,211 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 33,747 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 33,747 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 33,746 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 24,166 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 24,166 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 24,166 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS◆ | 38,591 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS | 74,365 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS | 1.7M | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS | 7,109 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS | 300,000 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS | 28,753 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS | 7.1M | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Hess John B | Chief Executive Officer | DTOISS | 344,421 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Schoonman Geurt G | Senior Vice President | DTOISS◆ | 3,038 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Schoonman Geurt G | Senior Vice President | DTOISS◆ | 2,207 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Schoonman Geurt G | Senior Vice President | DTOISS◆ | 2,206 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Schoonman Geurt G | Senior Vice President | DTOISS◆ | 2,206 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Schoonman Geurt G | Senior Vice President | DTOISS◆ | 7,047 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Schoonman Geurt G | Senior Vice President | DTOISS | 51,872 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Schrader William G. | Director | DTOISS | 33,974 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Slentz Andrew P | Senior Vice President | DTOISS◆ | 2,967 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Slentz Andrew P | Senior Vice President | DTOISS◆ | 2,967 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Slentz Andrew P | Senior Vice President | DTOISS◆ | 2,967 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Slentz Andrew P | Senior Vice President | DTOISS◆ | 2,531 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Slentz Andrew P | Senior Vice President | DTOISS◆ | 2,531 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Slentz Andrew P | Senior Vice President | DTOISS◆ | 2,531 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Slentz Andrew P | Senior Vice President | DTOISS◆ | 1,787 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Slentz Andrew P | Senior Vice President | DTOISS◆ | 1,786 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Slentz Andrew P | Senior Vice President | DTOISS◆ | 1,786 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Slentz Andrew P | Senior Vice President | DTOISS◆ | 5,705 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Slentz Andrew P | Senior Vice President | DTOISS | 61,566 | — | — | -100.0% | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Goodell Timothy B. | EVP, Gen Counsel &… | DTOISS◆ | 9,907 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Goodell Timothy B. | EVP, Gen Counsel &… | DTOISS◆ | 4,777 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Goodell Timothy B. | EVP, Gen Counsel &… | DTOISS◆ | 4,776 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Goodell Timothy B. | EVP, Gen Counsel &… | DTOISS◆ | 4,219 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Goodell Timothy B. | EVP, Gen Counsel &… | DTOISS◆ | 4,218 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Goodell Timothy B. | EVP, Gen Counsel &… | DTOISS◆ | 4,218 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Goodell Timothy B. | EVP, Gen Counsel &… | DTOISS◆ | 3,021 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Goodell Timothy B. | EVP, Gen Counsel &… | DTOISS◆ | 3,021 | — | — | — | ↗Open the original filing on SEC.gov |
| Jul 18, 2025 | Goodell Timothy B. | EVP, Gen Counsel &… | DTOISS◆ | 3,020 | — | — | — | ↗Open the original filing on SEC.gov |