Hof Matthew Kaes Van't
Chief Executive Officer at Diamondback Energy Inc.
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 3 years
- Director since
- 2025
3 years of board service in total across 2 boards, counting each seat separately. Longest: Diamondback Energy Inc., 1 year.
Diamondback Energy Inc.
Director · Chief Executive Officer
Viper Energy Inc.
Director · Chief Executive Officer
Chief executive roles
Diamondback Energy Inc.
· Chief Executive Officer
Dates unknown
Viper Energy Inc.
· Chief Executive Officer
Since August 2025
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 20, 2026 | Diamondback Energy Inc. | Open-market sale | −9,500 | $214.64 | $2,039,080 |
| Aug 20, 2026 | Diamondback Energy Inc. | Open-market sale | −500 | $215.06 | $107,528 |
| Aug 11, 2026 | Diamondback Energy Inc. | Open-market sale | −5,000 | $202.46 | $1,012,316 |
| Jun 17, 2026 | Diamondback Energy Inc. | Gift | −2,674 | — | — |
| Jun 3, 2026 | Diamondback Energy Inc. | Open-market sale | −5,000 | $205.00 | $1,025,000 |
| Jun 3, 2026 | Diamondback Energy Inc. | Open-market sale | −10,000 | $210.00 | $2,100,000 |
| Mar 6, 2026 | Diamondback Energy Inc. | Open-market sale | −10,000 | $180.84 | $1,808,400 |
| Mar 1, 2026 | Diamondback Energy Inc. | Grant or award | +24,501 | — | — |
| Mar 1, 2026 | Diamondback Energy Inc. | Grant or award | +36,436 | — | — |
| Mar 1, 2026 | Diamondback Energy Inc. | Grant or award | +2,636 | — | — |
| Mar 1, 2026 | Diamondback Energy Inc. | Shares withheld for tax | −14,338 | $174.08 | $2,495,959 |
| Mar 1, 2026 | Diamondback Energy Inc. | Shares withheld for tax | −1,038 | $174.08 | $180,695 |
| Mar 1, 2026 | Diamondback Energy Inc. | Shares withheld for tax | −1,182 | $174.08 | $205,763 |
| Mar 1, 2026 | Diamondback Energy Inc. | Shares withheld for tax | −1,446 | $174.08 | $251,720 |
| Mar 1, 2026 | Diamondback Energy Inc. | Shares withheld for tax | −1,302 | $174.08 | $226,652 |
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