Who
Mark Stephen Berg
Director
Company insider
Files Form 4 as: Director, ProPetro Holding; EVP, Corporate Operations, Pioneer Natural Resources Co; Director, HighPoint Resources; EVP, General Counsel, Pioneer Southwest Energy Partners L.P.
In numbers
- Trades disclosed
- 259
- Buys
- 4
- Sells
- 46
- Bought
- $441K
- Sold
- $24.9M
- Companies
- 4
- Companies where not an officer
- 2
- First trade
- 14 Feb 2006
- Last trade
- 20 May 2026
- Last filed
- 21 May 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 20 May 2026filed 21 May 2026 | PUMP ProPetro Holdingoption or derivative · Oilfield services | SEC FORM 4 Code A | —9,101 at $0.00 | filing |
| 20 May 2026filed 21 May 2026 | PUMP ProPetro Holdingoption or derivative · Oilfield services | SEC FORM 4 Code A | —9,101 at $0.00 | filing |
| 18 May 2026filed 19 May 2026 | PUMP ProPetro HoldingOilfield services | SEC FORM 4 Code M | —28,181 | filing |
| 18 May 2026filed 19 May 2026 | PUMP ProPetro Holdingoption or derivative · Oilfield services | SEC FORM 4 Code M | —28,181 at $0.00 | filing |
| 18 May 2026filed 19 May 2026 | PUMP ProPetro Holdingoption or derivative · Oilfield services | SEC FORM 4 Code M | —28,181 at $0.00 | filing |
| 18 May 2026filed 19 May 2026 | PUMP ProPetro HoldingOilfield services | SEC FORM 4 Code M | —28,181 | filing |
| 21 May 2025filed 23 May 2025 | PUMP ProPetro Holdingoption or derivative · Oilfield services | SEC FORM 4 Code A | —28,181 at $0.00 | filing |
| 9 May 2025filed 9 May 2025 | PUMP ProPetro Holdingoption or derivative · Oilfield services | SEC FORM 4 Code M | —16,454 at $0.00 | filing |
| 9 May 2025filed 9 May 2025 | PUMP ProPetro HoldingOilfield services | SEC FORM 4 Code M | —16,454 | filing |
| 9 May 2024filed 10 May 2024 | PUMP ProPetro Holdingoption or derivative · Oilfield services | SEC FORM 4 Code A | —16,454 at $0.00 | filing |
| 3 May 2024filed 3 May 2024 | Pioneer Natural Resources Co | SEC FORM 4 Code A | —37,518 at $0.00 | filing |
| 3 May 2024filed 3 May 2024 | Pioneer Natural Resources Co | SEC FORM 4 Code D | —77,253 | filing |
| 3 May 2024filed 3 May 2024 | Pioneer Natural Resources Co | SEC FORM 4 Code D | —27,096 | filing |
| 3 May 2024filed 3 May 2024 | Pioneer Natural Resources Co | SEC FORM 4 Code D | —54,725 | filing |
| 7 Mar 2024filed 11 Mar 2024 | Pioneer Natural Resources Co | SEC FORM 4 Sold | $1.7M6,973 at $240.21 | filing |
| 7 Mar 2024filed 11 Mar 2024 | Pioneer Natural Resources Co | SEC FORM 4 Sold | $84K350 at $241.38 | filing |
| 21 Feb 2024filed 22 Feb 2024 | Pioneer Natural Resources Co | SEC FORM 4 Code F | $325K1,419 at $229.14 | filing |
| 7 Feb 2024filed 8 Feb 2024 | Pioneer Natural Resources Co | SEC FORM 4 Code A | —11,521 at $0.00 | filing |
| 15 Dec 2023filed 19 Dec 2023 | Pioneer Natural Resources Co | SEC FORM 4 Code A | —27,960 at $0.00 | filing |
| 15 Dec 2023filed 19 Dec 2023 | Pioneer Natural Resources Co | SEC FORM 4 Code F | $2.5M11,003 at $228.45 | filing |
News
No headline names them, or the companies they trade most, lately.