Patterson-UTI Energy, Inc. (PTEN) has 20 known insider and institutional holders on record. The largest holder is Blackstone Holdings III L.P. with 34,900,000 shares. Other notable holders include BEP Diamond Topco L.P. and SIEGEL MARK S.
Over the last 12 months, insiders have made 30 transactions in PTEN stock — 14 buys (valued at RSU Award) and 7 sells (valued at $9.71M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
PTEN Insider Ownership
Top Holder
Blackstone Holdings III L.P.
34,900,000 shares
Buys (12 mo)
14
$0.00 value
Sells (12 mo)
7
$9.71M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Blackstone Holdings Iii L.p. |
10 Percent Owner |
34,900,000 |
2023-08-17 |
|
| 2 |
Bep Diamond Topco L.p. |
10 Percent Owner |
34,900,000 |
2023-08-17 |
|
| 3 |
Siegel Mark S |
Chairman of the Board |
1,574,985 |
2020-05-13 |
|
| 4 |
Vollmer John E Iii |
Chief Financial Officer |
762,598 |
2017-05-04 |
|
| 5 |
Smith Charles Andrew |
EVP & Chief Financial Officer |
695,255 |
2025-05-12 |
|
| 6 |
Holcomb James Michael |
EVP & Chief Business Officer |
552,524 |
2025-05-12 |
|
| 7 |
Wexler Seth David |
EVP/general Counsel/secretary |
505,268 |
2025-05-12 |
|
| 8 |
Huff Curtis W |
Director |
450,040 |
2026-01-05 |
|
| 9 |
Hendricks William Andrew Jr |
President & CEO |
292,000 |
2025-05-05 |
|
| 10 |
Halverson Gary M. |
Director |
196,612 |
2026-01-05 |
|
| 11 |
Nelson Amy H |
Director |
191,468 |
2026-01-05 |
|
| 12 |
Judah Janeen S |
Director |
187,695 |
2026-01-05 |
|
| 13 |
Drummond Robert Wayne Jr |
Director |
164,775 |
2026-02-17 |
|
| 14 |
Cepak Tiffany Thom |
Director |
161,111 |
2026-03-06 |
|
| 15 |
Conlon Michael W |
Director |
146,655 |
2023-01-04 |
|
| 16 |
Hunt Terry H |
Director |
131,246 |
2023-01-04 |
|
| 17 |
Gillard Matthew |
President-completions |
129,742 |
2024-08-20 |
|
| 18 |
Patterson A Glenn |
President and COO |
119,000 |
2005-06-17 |
|
| 19 |
Stewart James Carl |
Director |
114,116 |
2026-01-05 |
|
| 20 |
Wall Douglas James |
Chief Executive Officer |
103,500 |
2011-04-28 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-16 |
Drummond Robert Wayne Jr |
Director |
Informative Sell |
164,775 |
$10.18 |
$1.68M |
| 2026-03-04 |
Cepak Tiffany Thom |
Director |
Informative Sell |
12,000 |
$8.86 |
$106.32K |
| 2026-02-13 |
Drummond Robert Wayne Jr |
Director |
Informative Sell |
400,000 |
$8.17 |
$3.27M |
| 2026-01-01 |
Jaime Cesar |
Director |
RSU Award |
28,641 |
- |
- |
| 2026-01-01 |
Judah Janeen S |
Director |
RSU Award |
28,641 |
- |
- |
| 2026-01-01 |
Stewart James Carl |
Director |
RSU Award |
28,641 |
- |
- |
| 2026-01-01 |
Drummond Robert Wayne Jr |
Director |
RSU Award |
28,641 |
- |
- |
| 2026-01-01 |
Nelson Amy H |
Director |
RSU Award |
28,641 |
- |
- |
| 2026-01-01 |
Halverson Gary M. |
Director |
RSU Award |
28,641 |
- |
- |
| 2026-01-01 |
Cepak Tiffany Thom |
Director |
RSU Award |
28,641 |
- |
- |
| 2026-01-01 |
Huff Curtis W |
Director |
RSU Award |
40,098 |
- |
- |
| 2026-01-01 |
Robertson Julie J |
Director |
RSU Award |
28,641 |
- |
- |
| 2025-12-18 |
Stewart James Carl |
Director |
Informative Sell |
368,254 |
$5.87 |
$2.16M |
| 2025-12-17 |
Stewart James Carl |
Director |
Informative Sell |
350,000 |
$5.87 |
$2.05M |
| 2025-06-09 |
Robinson Forrest C |
Chief Accounting Officer |
Tax Withholding of RSU |
2,843 |
$5.80 |
$16.49K |
| 2025-06-02 |
Stewart James Carl |
Director |
Informative Sell |
74,500 |
$5.51 |
$410.5K |
| 2025-05-09 |
Stewart James Carl |
Director |
Informative Sell |
5,500 |
$5.98 |
$32.89K |
| 2025-05-09 |
Holcomb James Michael |
EVP & Chief Business Officer |
Tax Withholding of RSU |
12,395 |
$5.84 |
$72.39K |
| 2025-05-09 |
Wexler Seth David |
EVP/general Counsel/secretary |
Tax Withholding of RSU |
10,363 |
$5.84 |
$60.52K |
| 2025-05-09 |
Smith Charles Andrew |
EVP & Chief Financial Officer |
Tax Withholding of RSU |
13,016 |
$5.84 |
$76.01K |
| 2025-05-01 |
Hendricks William Andrew Jr |
President & CEO |
RSU Award |
292,000 |
- |
- |
| 2025-05-05 |
Holcomb James Michael |
EVP & Chief Business Officer |
Tax Withholding of RSU |
9,741 |
$6.03 |
$58.74K |
| 2025-05-01 |
Holcomb James Michael |
EVP & Chief Business Officer |
RSU Award |
68,700 |
- |
- |
| 2025-05-05 |
Wexler Seth David |
EVP/general Counsel/secretary |
Tax Withholding of RSU |
8,185 |
$6.03 |
$49.36K |
| 2025-05-01 |
Wexler Seth David |
EVP/general Counsel/secretary |
RSU Award |
61,800 |
- |
- |
