Helmerich & Payne, Inc. of TULSA, OK filed a DEF 14A with the SEC on 1998-01-27. Industry: Drilling Oil & Gas Wells.
Showing 12 of 52 filings.
| Filed | Form |
|---|---|
| 2026-01-22 | DEFA14A |
| 2026-01-22 | DEF 14A |
| 2025-01-22 | DEFA14A |
| 2025-01-22 | DEF 14A |
| 2024-01-17 | DEFA14A |
| 2024-01-17 | DEF 14A |
| 2023-01-18 | DEFA14A |
| 2023-01-18 | DEF 14A |
| 2022-01-18 | DEFA14A |
| 2022-01-18 | DEF 14A |
| 2021-02-16 | DEFA14A |
| 2021-01-19 | DEFA14A |