🕵️ Patterson UTI Energy Inc ($PTEN)
SEC insider & ownership activity, last 12 months · CIK 889900 · every row links its SEC filing
Over the last 12 months insiders sold $30.9M with no open-market buying against it. Drummond Robert Wayne Jr. sold $12.1M (Feb–Sep). 1 planned sale is pending, the largest $21K (Drummond Robert Wayne Jr.). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 8 sellers, $30.9M (17 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Drummond Robert Wayne Jr. | 0 | – | 6 | $12.1M | Sep 2, 2026 |
| Hendricks William Andrew Jr. | 0 | – | 3 | $8.5M | Sep 2, 2026 |
| JCS Partners LP | 0 | – | 3 | $6.6M | Aug 25, 2026 |
| Holcomb James Michael | 0 | – | 1 | $1.7M | May 28, 2026 |
| Wexler Seth David | 0 | – | 1 | $1.5M | Sep 1, 2026 |
| Forrest C. Robinson | 0 | – | 1 | $164K | Jun 8, 2026 |
| Jaime Cesar | 0 | – | 1 | $123K | May 5, 2026 |
| Tiffany Thom Cepak | 0 | – | 1 | $106K | Mar 4, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 14.4% | 13G | Apr 30, 2025 | filing ↗ | |
| Vanguard Portfolio Management | 7.2% | 13G | Apr 29, 2026 | filing ↗ | |
| Dimensional Fund Advisors LP | 5.6% | 13G | Apr 9, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.1% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| William A. Hendricks | $3.2M | Sep 2, 2026 | filing ↗ |
| Drummond Robert Wayne Jr. | $2.5M | Sep 2, 2026 | filing ↗ |
| Drummond Robert Wayne Jr. | $21K | Sep 1, 2026 | filing ↗ |
| Wexler Seth David | $1.5M | Sep 1, 2026 | filing ↗ |
| William A. Hendricks | $2.5M | Jun 5, 2026 | filing ↗ |
| James M. Holcomb | $1.7M | May 28, 2026 | filing ↗ |
| Jaime Cesar | $123K | May 5, 2026 | filing ↗ |
| William A. Hendricks | $3.1M | May 1, 2026 | filing ↗ |
| Robert W. Drummond Jr. | $4.6M | May 1, 2026 | filing ↗ |
| Robert W. Drummond Jr. | $1.7M | Mar 16, 2026 | filing ↗ |
| Tiffany Thom Cepak | $106K | Mar 4, 2026 | filing ↗ |
| Robert W. Drummond Jr. | $3.2M | Feb 13, 2026 | filing ↗ |
| JCS Partners LP | $4.3M | Dec 17, 2025 | filing ↗ |
| Leslie A. Beyer | $310K | Dec 9, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Sep 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 8, 2026 | filing ↗ |
| Earnings (2.02) | Jul 29, 2026 | filing ↗ |
| Other events (8.01) | Jul 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 29, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 4, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 4, 2026 | filing ↗ |
| Other events (8.01) | Jun 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 4, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 26, 2026 | filing ↗ |
| Material agreement (1.01) | May 19, 2026 | filing ↗ |
| New financial obligation (2.03) | May 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 19, 2026 | filing ↗ |
| Other events (8.01) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Material agreement (1.01) | Apr 24, 2026 | filing ↗ |
| New financial obligation (2.03) | Apr 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 24, 2026 | filing ↗ |
| Earnings (2.02) | Apr 22, 2026 | filing ↗ |
| Other events (8.01) | Apr 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 22, 2026 | filing ↗ |
| Earnings (2.02) | Feb 4, 2026 | filing ↗ |
| Other events (8.01) | Feb 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 4, 2026 | filing ↗ |
| Earnings (2.02) | Jan 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 5, 2026 | filing ↗ |
| Earnings (2.02) | Oct 22, 2025 | filing ↗ |
| Other events (8.01) | Oct 22, 2025 | filing ↗ |