Skip to contentMCCOLLUM MARK A — HALLIBURTON CO insider: 203 transactions · InsiderLensMCCOLLUM MARK A
- Director at Universal Compression Partners, L.P. · on record since Oct 18, 2006
- Director at KBR, INC. · on record since Nov 15, 2006
- Director at EXTERRAN HOLDINGS INC. · on record since Jun 1, 2009
- Director at ACR GROUP INC · on record since Jul 10, 2003
- Former officer at TENNECO INC · on record since Aug 18, 2003
- Director at ONEOK INC /NEW/ · on record since May 22, 2026
- Senior VP, Chief Acctg. Off. at HALLIBURTON CO · on record since Aug 25, 2003
- Director at Seadrill Ltd · on record since May 18, 2026
- Director at AUROR CAPITAL CORP · on record since Mar 7, 2016
- Director at WEATHERFORD INTERNATIONAL LTD · on record since Apr 25, 2017
- President and CEO at WEATHERFORD INTERNATIONAL LTD · on record since Apr 25, 2017
- Director at WESTLAKE CHEMICAL CORP · on record since May 21, 2018
- Director at Weatherford International plc · on record since Dec 17, 2019
- President and CEO at Weatherford International plc · on record since Dec 17, 2019
- Director at MARATHON OIL CORP · on record since Dec 2, 2022
Insider trading activity of MCCOLLUM MARK A
- Transactions on record
- 203
- since Aug 18, 2003
- Open-market buys
- 0
- Open-market sells
- 22
- $15.5M
- Companies traded
- 12
- last filing Jun 5, 2026
Figures computed from official regulatory filings — methodology.
Companies where MCCOLLUM MARK A has traded
Track record of MCCOLLUM MARK A
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of MCCOLLUM MARK A
Co-insiders of MCCOLLUM MARK A
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7 tx · Jun 1, 2009
AUSTIN WILLIAM MEXTERRAN HOLDINGS INC. +1
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 5, 2026 | AwardD | 2,618 | 0.00 USD | $0 | SEC |
| May 22, 2026 | Award | 1,845 | 92.15 USD | $170K | SEC |
| May 18, 2026 | Exercise | 4,860 | — | — | SEC |
| May 18, 2026 | ExerciseD | -4,860 | 0.00 USD | $0 | SEC |
| Jan 27, 2026 | Award | 727 | 78.00 USD | $56.7K | SEC |
| Aug 11, 2025 | ExerciseD | -1,128 | 0.00 USD | $0 | SEC |
| Aug 11, 2025 | Exercise | 1,128 | — | — | SEC |
| Aug 11, 2025 | AwardD | 2,168 | 0.00 USD | $0 | SEC |
| May 16, 2025 | AwardD | 4,860 | 0.00 USD | $0 | SEC |
| Apr 21, 2025 | ExerciseD | -2,409 | 0.00 USD | $0 | SEC |
| Apr 21, 2025 | Exercise | 2,409 | — | — | SEC |
| Nov 22, 2024 | Other | -8,130 | — | — | SEC |
| Nov 22, 2024 | Other | -8,169 | — | — | SEC |
| Aug 12, 2024 | AwardD | 1,128 | 0.00 USD | $0 | SEC |
| Aug 12, 2024 | Exercise | 1,136 | — | — | SEC |
| Aug 12, 2024 | ExerciseD | -1,136 | 0.00 USD | $0 | SEC |
| Mar 5, 2024 | Award | 8,130 | 0.00 USD | $0 | SEC |
| Aug 14, 2023 | ExerciseD | -1,446 | 0.00 USD | $0 | SEC |
| Aug 14, 2023 | AwardD | 1,136 | 0.00 USD | $0 | SEC |
| Aug 14, 2023 | Exercise | 1,446 | — | — | SEC |
| Mar 3, 2023 | Award | 7,754 | 0.00 USD | $0 | SEC |
| Dec 2, 2022 | Award | 415 | 0.00 USD | $0 | SEC |
| Aug 15, 2022 | AwardD | 1,446 | 0.00 USD | $0 | SEC |
| Aug 15, 2022 | ExerciseD | -1,763 | 0.00 USD | $0 | SEC |
| Aug 15, 2022 | Exercise | 1,763 | — | — | SEC |