Holdings derived from the most recent reported transactions. Not adjusted for stock splits or share-class conversions.
| Issuer | Shares | Source | Last tx | Detail |
|---|---|---|---|---|
| MATRIX SERVICE CO | 55,219 | reported | 04 Nov 2025 | tx 6+55,219 |
| Oiltanking Partners, L.P. | 12,000 | reported | 19 Jul 2011 | tx 1+12,000 |
| Rose Rock Midstream, L.P. | 0 | reported | 30 Sept 2016 | tx 6+44,078−44,078 |
| SemGroup Corp | 0 | reported | 05 Dec 2019 | tx 21+392,078.44−392,078.44 |
| Date | Type | Issuer | Qty | Price | Signals |
|---|---|---|---|---|---|
| 04 Nov 2025 | GRANT_AWARD | MATRIX SERVICE CO | 7,986 | 0.00 USD | |
| 05 Nov 2024 | GRANT_AWARD | MATRIX SERVICE CO | 8,290 | 0.00 USD | |
| 14 Nov 2023 | GRANT_AWARD | MATRIX SERVICE CO | 7,991 | 0.00 USD | |
| 05 Dec 2022 | GRANT_AWARD | MATRIX SERVICE CO | 11,571 | 0.00 USD | |
| 02 Nov 2021 | GRANT_AWARD | MATRIX SERVICE CO | 9,117 | 0.00 USD | |
| 03 Nov 2020 | GRANT_AWARD | MATRIX SERVICE CO | 10,264 | 0.00 USD | |
| 03 Dec 2019 | GRANT_AWARD | SemGroup Corp | 115,041 | 0.00 USD | |
| 03 Dec 2019 | TAX_WITHHOLDING | SemGroup Corp | 51,022 | 15.06 USD | |
| 05 Dec 2019 | OTHER | SemGroup Corp | 315,492.44 | 0.00 USD | |
| 01 Apr 2019 | TAX_WITHHOLDING | SemGroup Corp | 2,420 | 14.79 USD | |
| 01 Mar 2019 | TAX_WITHHOLDING | SemGroup Corp | 3,900 | 15.22 USD | |
| 01 Mar 2019 | GRANT_AWARD | SemGroup Corp | 48,725 | 0.00 USD | |
| 01 Apr 2018 | TAX_WITHHOLDING | SemGroup Corp | 3,259 | 21.40 USD | |
| 02 Mar 2018 | TAX_WITHHOLDING | SemGroup Corp | 1,889 | 22.40 USD | |
| 01 Mar 2018 | GRANT_AWARD | SemGroup Corp | 50,313 | 0.00 USD | |
| 08 Jun 2017 | PURCHASE | SemGroup Corp | 3,824 | 26.18 USD | |
| 01 Apr 2017 | TAX_WITHHOLDING | SemGroup Corp | 5,213 | 36.00 USD | |
| 10 Mar 2017 | PURCHASE | SemGroup Corp | 7,500 | 33.55 USD | first after silence |
| 01 Mar 2017 | GRANT_AWARD | SemGroup Corp | 24,931 | 0.00 USD | |
| 30 Sept 2016 | OTHER | Rose Rock Midstream, L.P. | 42,409 | 0.00 USD | |
| 30 Sept 2016 | GRANT_AWARD | SemGroup Corp | 34,504 | 0.00 USD | |
| 01 Apr 2016 | TAX_WITHHOLDING | SemGroup Corp | 2,957 | 21.03 USD | |
| 01 Apr 2016 | TAX_WITHHOLDING | Rose Rock Midstream, L.P. | 90 | 10.96 USD | |
| 01 Mar 2016 | GRANT_AWARD | Rose Rock Midstream, L.P. | 21,910 | 0.00 USD | |
| 01 Mar 2016 | GRANT_AWARD | SemGroup Corp | 35,144 | 0.00 USD |
2 purchases reported after at least 12 months of silence — most recent on 10 Mar 2017.