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Latest Form 4 (Aug 11, 2026): Huan Gamblin (EVP & Chief Technical Officer): Exercise/Conversion of 8,312 shares.
Every alert includes an AI-written analysis of the filing, plus news and market context.
| Filed | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Aug 11, 2026 | Huan Gamblin, EVP & Chief Technical Officer | Exercise/Conversion | 8,312 | n/a |
| Aug 11, 2026 | William J. Williford, EVP & Chief Operating Officer | Exercise/Conversion | 56,075 | n/a |
| Aug 11, 2026 | Sameer Parasnis, EVP & Chief Financial Officer | Exercise/Conversion | 56,075 | n/a |
| Aug 11, 2026 | Tracy W. Krohn, Chairman, CEO & President | Exercise/Conversion | 132,918 | n/a |
| Aug 11, 2026 | Bart P. Hartman III, VP & Chief Accounting Officer | Exercise/Conversion | 7,425 | n/a |
| Jul 16, 2026 | Daniel O. Conwill IV | Sale | 60,000 | $204.6K |
| Jul 16, 2026 | Nancy T. Chang | Sale | 60,000 | $198.6K |
| Jul 16, 2026 | William J. Williford, EVP & Chief Operating Officer | Sale | 30,000 | $106.8K |
| Jul 16, 2026 | Sameer Parasnis, EVP & Chief Financial Officer | Sale | 30,000 | $106.8K |
| Jul 16, 2026 | George Hittner, EVP, GC & Corporate Secretary | Sale | 30,000 | $105.9K |