Skip to contentDONOVAN WILLIAM T — GREY WOLF INC insider: 39 transactions · InsiderLensDONOVAN WILLIAM T
- Director at GREY WOLF INC · on record since Feb 21, 2006
- Director at SILGAN HOLDINGS INC · on record since May 29, 2026
- Director at C2 INC · on record since Feb 4, 2005
- President & CEO at C2 INC · on record since Feb 4, 2005
Insider trading activity of DONOVAN WILLIAM T
- Transactions on record
- 39
- since Mar 29, 2004
- Open-market buys
- 1
- $118.8K
- Open-market sells
- 3
- $1.6M
- Companies traded
- 3
- last filing May 29, 2026
Figures computed from official regulatory filings — methodology.
Companies where DONOVAN WILLIAM T has traded
Track record of DONOVAN WILLIAM T
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of DONOVAN WILLIAM T
Co-insiders of DONOVAN WILLIAM T
This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →
BROWN FRANK MGREY WOLF INC
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| May 29, 2026 | Award | 3,254 | — | — | SEC |
| May 30, 2025 | Award | 2,262 | — | — | SEC |
| May 31, 2024 | Award | 2,712 | — | — | SEC |
| Jun 2, 2023 | Award | 2,748 | — | — | SEC |
| Jun 3, 2022 | Award | 2,833 | — | — | SEC |
| Jun 4, 2021 | Award | 2,967 | — | — | SEC |
| Jun 11, 2020 | Award | 3,253 | — | — | SEC |
| Jun 17, 2019 | Award | 3,676 | — | — | SEC |
| Oct 30, 2018 | Buy | 5,000 | 23.75 USD | $118.8K | SEC |
| Jun 14, 2018 | Award | 3,235 | — | — | SEC |
| Dec 29, 2008 | Exercise | 50,000 | 3.91 | $195.5K | SEC |
| Dec 29, 2008 | Other | -2,000 | — | — | SEC |
| Dec 29, 2008 | ExerciseD | -75,000 | — | — | SEC |
| Dec 29, 2008 | Exercise | 75,000 | 1.50 | $112.5K | SEC |
| Dec 29, 2008 | ExerciseD | -50,000 | — | — | SEC |
| Dec 29, 2008 | Exercise | 75,000 | 3.06 | $229.5K | SEC |
| Dec 29, 2008 | Other | -411,409 | — | — | SEC |
| Dec 29, 2008 | ExerciseD | -50,000 | — | — | SEC |
| Dec 29, 2008 | Other | -168,660 | — | — | SEC |
| Dec 29, 2008 | ExerciseD | -75,000 | — | — | SEC |
| Dec 29, 2008 | Exercise | 50,000 | 2.84 | $142K | SEC |
| Dec 29, 2008 | Other | -106,869 | 6.36 | $679.7K | SEC |
| Dec 29, 2008 | Other | -22,000 | — | — | SEC |
| Nov 15, 2007 | Award | 26,000 | 0.00 | $0 | SEC |
| Jun 5, 2007 | Sell | -32,500 | 8.10 | $263.3K | SEC |