MCCOLLUM MARK A
Insider CIK 1215888 · MRO Director · OKE Director · WLK Director · EXH Director · WFT President and CEO, Director · SDRL Director · HAL EVP - Chief Intergration Ofc
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| WLK WESTLAKE CORP | A Award deriv | 2026-08-14 | 2026-08-17 | 2,184 | — | $0 | 2,184 | SEC↗ |
| WLK WESTLAKE CORP | A Award deriv | 2026-08-14 | 2026-08-17 | 2,184 | — | $0 | 2,184 | SEC↗ |
| WLK WESTLAKE CORP | M Exercise deriv | 2026-08-08 | 2026-08-10 | 2,168 | — | $0 | 2,168 | SEC↗ |
| WLK WESTLAKE CORP | M Exercise | 2026-08-08 | 2026-08-10 | 2,168 | — | $0 | 11,824 | SEC↗ |
| WLK WESTLAKE CORP | M Exercise deriv | 2026-08-08 | 2026-08-10 | 2,168 | — | $0 | 2,168 | SEC↗ |
| WLK WESTLAKE CORP | M Exercise | 2026-08-08 | 2026-08-10 | 2,168 | — | — | 11,824 | SEC↗ |
| SDRL SEADRILL Ltd | A Award deriv | 2026-06-03 | 2026-06-05 | 2,618 | — | $0 | 2,618 | SEC↗ |
| OKE ONEOK INC /NEW/ | A Award | 2026-05-20 | 2026-05-22 | 1,845 | $92.15 | $170.0K | 2,572 | SEC↗ |
| SDRL Seadrill Ltd | M Exercise deriv | 2026-05-14 | 2026-05-18 | 4,860 | — | $0 | 0 | SEC↗ |
| SDRL Seadrill Ltd | M Exercise | 2026-05-14 | 2026-05-18 | 4,860 | — | $0 | 7,269 | SEC↗ |
| OKE ONEOK INC /NEW/ | A Award | 2026-01-23 | 2026-01-27 | 727 | $78.00 | $56.7K | 727 | SEC↗ |
| WLK WESTLAKE CORP | M Exercise deriv | 2025-08-09 | 2025-08-11 | 1,128 | — | $0 | 0 | SEC↗ |
| WLK WESTLAKE CORP | M Exercise | 2025-08-09 | 2025-08-11 | 1,128 | — | $0 | 9,656 | SEC↗ |
| WLK WESTLAKE CORP | A Award deriv | 2025-08-08 | 2025-08-11 | 2,168 | — | $0 | 2,168 | SEC↗ |
| SDRL Seadrill Ltd | A Award deriv | 2025-05-14 | 2025-05-16 | 4,860 | — | $0 | 4,860 | SEC↗ |
| SDRL Seadrill Ltd | M Exercise deriv | 2025-04-17 | 2025-04-21 | 2,409 | — | $0 | 0 | SEC↗ |
| SDRL Seadrill Ltd | M Exercise | 2025-04-17 | 2025-04-21 | 2,409 | — | $0 | 2,409 | SEC↗ |
| MRO MARATHON OIL CORP | D To issuer | 2024-11-22 | 2024-11-22 | 8,130 | — | $0 | 0 | SEC↗ |
| MRO MARATHON OIL CORP | D To issuer | 2024-11-22 | 2024-11-22 | 8,169 | — | $0 | 0 | SEC↗ |
| WLK WESTLAKE CORP | M Exercise deriv | 2024-08-11 | 2024-08-12 | 1,136 | — | $0 | 0 | SEC↗ |
| WLK WESTLAKE CORP | M Exercise | 2024-08-11 | 2024-08-12 | 1,136 | — | $0 | 8,528 | SEC↗ |
| WLK WESTLAKE CORP | A Award deriv | 2024-08-09 | 2024-08-12 | 1,128 | — | $0 | 1,128 | SEC↗ |
| MRO MARATHON OIL CORP | A Award | 2024-03-01 | 2024-03-05 | 8,130 | — | $0 | 16,299 | SEC↗ |
| WLK WESTLAKE CORP | M Exercise deriv | 2023-08-12 | 2023-08-14 | 1,446 | — | $0 | 0 | SEC↗ |
| WLK WESTLAKE CORP | M Exercise | 2023-08-12 | 2023-08-14 | 1,446 | — | $0 | 7,392 | SEC↗ |
| WLK WESTLAKE CORP | A Award deriv | 2023-08-11 | 2023-08-14 | 1,136 | — | $0 | 1,136 | SEC↗ |
| MRO MARATHON OIL CORP | A Award | 2023-03-01 | 2023-03-03 | 7,754 | — | $0 | 8,169 | SEC↗ |
| MRO MARATHON OIL CORP | A Award | 2022-12-01 | 2022-12-02 | 415 | — | $0 | 415 | SEC↗ |
| WLK WESTLAKE CORP | M Exercise deriv | 2022-08-13 | 2022-08-15 | 1,763 | — | $0 | 0 | SEC↗ |
| WLK WESTLAKE CORP | M Exercise | 2022-08-13 | 2022-08-15 | 1,763 | — | $0 | 5,946 | SEC↗ |
| WLK WESTLAKE CORP | A Award deriv | 2022-08-12 | 2022-08-15 | 1,446 | — | $0 | 1,446 | SEC↗ |
| WLK WESTLAKE CORP | G Gift | 2022-03-03 | 2022-03-04 | 3,000 | — | $0 | 4,183 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | M Exercise deriv | 2021-08-14 | 2021-08-16 | 2,400 | — | $0 | 0 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | M Exercise | 2021-08-14 | 2021-08-16 | 2,400 | — | $0 | 7,183 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | A Award deriv | 2021-08-13 | 2021-08-16 | 1,763 | — | $0 | 1,763 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | M Exercise deriv | 2020-08-16 | 2020-08-17 | 2,387 | — | $0 | 0 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | M Exercise | 2020-08-16 | 2020-08-17 | 2,387 | — | $0 | 4,783 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | A Award deriv | 2020-08-14 | 2020-08-17 | 2,400 | — | $0 | 2,400 | SEC↗ |
| NONE Weatherford International | A Award deriv | 2019-12-13 | 2019-12-17 | 19,350 | — | $0 | 19,350 | SEC↗ |
| NONE Weatherford International | A Award | 2019-12-13 | 2019-12-17 | 1,741 | — | $0 | 1,741 | SEC↗ |
| NONE Weatherford International | D To issuer | 2019-12-13 | 2019-12-17 | 2,511,573 | — | $0 | 0 | SEC↗ |
| NONE Weatherford International | F Tax w/h | 2019-12-13 | 2019-12-17 | 809,498 | $0.02 | $16.2K | 2,511,573 | SEC↗ |
| NONE Weatherford International | A Award | 2019-12-13 | 2019-12-17 | 2,057,174 | $0.02 | $41.1K | 3,321,071 | SEC↗ |
| NONE Weatherford International | F Tax w/h | 2019-12-13 | 2019-12-17 | 401,718 | $0.02 | $8.0K | 1,263,897 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | M Exercise deriv | 2019-08-17 | 2019-08-19 | 1,409 | — | $0 | 0 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | M Exercise | 2019-08-17 | 2019-08-19 | 1,409 | — | $0 | 2,396 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | A Award deriv | 2019-08-16 | 2019-08-19 | 2,387 | — | $0 | 2,387 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | M Exercise deriv | 2019-05-18 | 2019-05-20 | 987 | — | $0 | 0 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | M Exercise | 2019-05-18 | 2019-05-20 | 987 | — | $0 | 987 | SEC↗ |
| WFT Weatherford International | F Tax w/h | 2019-04-24 | 2019-04-25 | 53,954 | $0.63 | $34.0K | 1,665,615 | SEC↗ |
| WFT Weatherford International | F Tax w/h | 2019-04-24 | 2019-04-25 | 71,938 | $0.63 | $45.3K | 1,719,569 | SEC↗ |
| WFT Weatherford International | F Tax w/h | 2019-01-31 | 2019-02-04 | 73,253 | $0.64 | $46.9K | 1,791,507 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | A Award deriv | 2018-08-17 | 2018-08-20 | 1,409 | — | $0 | 1,409 | SEC↗ |
| WLK WESTLAKE CHEMICAL CORP | A Award deriv | 2018-05-18 | 2018-05-21 | 987 | — | $0 | 987 | SEC↗ |
| AROC Archrock, Inc. | A Award | 2018-04-26 | 2018-04-27 | 2,800 | — | $0 | 82,751 | SEC↗ |
| WFT Weatherford International | F Tax w/h | 2018-04-24 | 2018-04-26 | 77,903 | $2.59 | $201.8K | 1,864,760 | SEC↗ |
| AROC Archrock, Inc. | A Award | 2018-03-02 | 2018-03-05 | 13,158 | — | $0 | 79,951 | SEC↗ |
| WFT Weatherford International | A Award | 2018-01-31 | 2018-02-02 | 845,771 | — | $0 | 1,942,663 | SEC↗ |
| WFT Weatherford International | A Award deriv | 2017-04-24 | 2017-04-25 | 548,446 | — | $0 | 548,446 | SEC↗ |
| WFT Weatherford International | A Award | 2017-04-24 | 2017-04-25 | 1,096,892 | — | $0 | 1,096,892 | SEC↗ |
| AROC Archrock, Inc. | A Award | 2017-03-03 | 2017-03-06 | 9,125 | — | $0 | 66,793 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise deriv | 2017-02-27 | 2017-03-01 | 12,000 | — | $0 | 0 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise deriv | 2017-02-27 | 2017-03-01 | 33,200 | — | $0 | 0 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise deriv | 2017-02-27 | 2017-03-01 | 44,100 | — | $0 | 0 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2017-02-27 | 2017-03-01 | 12,000 | $53.30 | $639.6K | 204,993 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise | 2017-02-27 | 2017-03-01 | 12,000 | $36.90 | $442.8K | 216,993 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise | 2017-02-27 | 2017-03-01 | 33,200 | $35.57 | $1.18M | 238,193 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2017-02-27 | 2017-03-01 | 33,200 | $53.30 | $1.77M | 204,993 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise | 2017-02-27 | 2017-03-01 | 44,100 | $33.50 | $1.48M | 249,093 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2017-02-27 | 2017-03-01 | 44,100 | $53.30 | $2.35M | 204,993 | SEC↗ |
| HAL HALLIBURTON CO | F Tax w/h | 2016-12-08 | 2016-12-09 | 2,711 | $54.02 | $146.4K | 204,993 | SEC↗ |
| HAL HALLIBURTON CO | A Award deriv | 2016-12-07 | 2016-12-09 | 30,500 | — | $0 | 30,500 | SEC↗ |
| HAL HALLIBURTON CO | F Tax w/h | 2016-12-07 | 2016-12-08 | 2,677 | $53.90 | $144.3K | 189,304 | SEC↗ |
| HAL HALLIBURTON CO | A Award | 2016-12-07 | 2016-12-09 | 18,400 | $53.54 | $985.1K | 207,704 | SEC↗ |
| HAL HALLIBURTON CO | F Tax w/h | 2016-12-06 | 2016-12-08 | 6,512 | $54.17 | $352.8K | 191,981 | SEC↗ |
| AROC Archrock, Inc. | A Award | 2016-03-04 | 2016-03-07 | 18,473 | — | $0 | 57,668 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2015-12-08 | 2015-12-10 | 7,427 | $37.90 | $281.5K | 198,493 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2015-12-07 | 2015-12-09 | 2,098 | $38.10 | $79.9K | 205,920 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2015-12-03 | 2015-12-07 | 2,098 | $40.40 | $84.8K | 208,018 | SEC↗ |
| HAL HALLIBURTON CO | A Award deriv | 2015-12-02 | 2015-12-04 | 50,400 | — | $0 | 50,400 | SEC↗ |
| HAL HALLIBURTON CO | A Award | 2015-12-02 | 2015-12-04 | 28,300 | $38.95 | $1.10M | 210,116 | SEC↗ |
| EXH EXTERRAN HOLDINGS INC. | A Award | 2015-03-04 | 2015-03-05 | 3,915 | — | $0 | 39,195 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2014-12-09 | 2014-12-10 | 5,388 | $40.37 | $217.5K | 181,816 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2014-12-08 | 2014-12-10 | 2,039 | $40.74 | $83.1K | 187,204 | SEC↗ |
| HAL HALLIBURTON CO | A Award deriv | 2014-12-03 | 2014-12-05 | 46,400 | — | $0 | 46,400 | SEC↗ |
| HAL HALLIBURTON CO | A Award | 2014-12-03 | 2014-12-05 | 25,000 | $40.75 | $1.02M | 194,127 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2014-12-03 | 2014-12-05 | 4,884 | $41.21 | $201.3K | 189,243 | SEC↗ |
| HAL HALLIBURTON CO | A Award | 2014-07-15 | 2014-07-17 | 50,000 | $70.26 | $3.51M | 169,127 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise deriv | 2014-06-20 | 2014-06-24 | 40,600 | — | $0 | 0 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise | 2014-06-20 | 2014-06-24 | 40,600 | $29.35 | $1.19M | 161,125 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2014-06-20 | 2014-06-24 | 1,398 | $69.64 | $97.4K | 119,127 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2014-06-20 | 2014-06-24 | 40,600 | $69.36 | $2.82M | 120,525 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2014-05-23 | 2014-05-27 | 6,189 | $63.56 | $393.4K | 120,525 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2014-04-21 | 2014-04-22 | 3,177 | $61.51 | $195.4K | 126,714 | SEC↗ |
| HAL HALLIBURTON CO | G Gift | 2014-04-03 | 2014-04-07 | 4,300 | — | $0 | 129,891 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2014-03-21 | 2014-03-25 | 4,895 | $58.00 | $283.9K | 134,191 | SEC↗ |
| EXH EXTERRAN HOLDINGS INC. | A Award | 2014-03-04 | 2014-03-06 | 3,036 | — | $0 | 35,280 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2014-02-25 | 2014-02-27 | 4,992 | $56.00 | $279.6K | 139,086 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2013-12-06 | 2013-12-10 | 2,711 | $50.56 | $137.1K | 144,078 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2013-12-05 | 2013-12-06 | 2,677 | $50.48 | $135.1K | 146,789 | SEC↗ |
| HAL HALLIBURTON CO | A Award deriv | 2013-12-04 | 2013-12-06 | 35,400 | $50.62 | $1.79M | 35,400 | SEC↗ |
| HAL HALLIBURTON CO | A Award | 2013-12-04 | 2013-12-06 | 24,300 | $50.62 | $1.23M | 149,466 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2013-12-02 | 2013-12-04 | 4,086 | $52.01 | $212.5K | 125,166 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2013-11-29 | 2013-12-02 | 3,409 | $52.68 | $179.6K | 129,252 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise deriv | 2013-09-16 | 2013-09-18 | 7,000 | — | $0 | 0 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise deriv | 2013-09-16 | 2013-09-18 | 13,400 | — | $0 | 0 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2013-09-16 | 2013-09-18 | 13,400 | $49.96 | $669.5K | 132,661 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2013-09-16 | 2013-09-18 | 32,000 | $50.15 | $1.60M | 132,661 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise | 2013-09-16 | 2013-09-18 | 7,000 | $32.39 | $226.7K | 139,661 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2013-09-16 | 2013-09-18 | 7,000 | $49.88 | $349.2K | 132,661 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise | 2013-09-16 | 2013-09-18 | 13,400 | $33.17 | $444.5K | 146,061 | SEC↗ |
| EXH EXTERRAN HOLDINGS INC. | A Award | 2013-03-04 | 2013-03-06 | 4,393 | — | $0 | 32,244 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2013-02-13 | 2013-02-15 | 580 | $40.84 | $23.7K | 164,661 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2012-12-06 | 2012-12-07 | 2,355 | $33.58 | $79.1K | 165,241 | SEC↗ |
| HAL HALLIBURTON CO | A Award deriv | 2012-12-05 | 2012-12-07 | 44,100 | $33.50 | $1.48M | 44,100 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2012-12-05 | 2012-12-07 | 802 | $33.50 | $26.9K | 167,596 | SEC↗ |
| HAL HALLIBURTON CO | A Award | 2012-12-05 | 2012-12-07 | 31,900 | $33.50 | $1.07M | 168,398 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2012-11-30 | 2012-12-04 | 7,795 | $33.35 | $260.0K | 136,498 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise deriv | 2012-05-14 | 2012-05-15 | 16,800 | — | $0 | 0 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2012-05-14 | 2012-05-15 | 9,200 | $31.26 | $287.6K | 151,893 | SEC↗ |
| HAL HALLIBURTON CO | M Exercise | 2012-05-14 | 2012-05-15 | 16,800 | $15.42 | $259.1K | 161,093 | SEC↗ |
| HAL HALLIBURTON CO | S Sale | 2012-05-14 | 2012-05-15 | 7,600 | $31.37 | $238.4K | 144,293 | SEC↗ |
| EXH EXTERRAN HOLDINGS INC. | A Award | 2012-03-04 | 2012-03-06 | 7,660 | — | $0 | 27,851 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2012-02-13 | 2012-02-15 | 578 | $36.14 | $20.9K | 145,044 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2012-02-13 | 2012-02-21 | 838 | $36.14 | $30.3K | 144,784 | SEC↗ |
| HAL HALLIBURTON CO | D To issuer | 2012-02-13 | 2012-02-27 | 751 | $36.14 | $27.1K | 144,293 | SEC↗ |