PTEN director sells 12,000 Patterson-UTI shares

Patterson-UTI Energy director Tiffany Thom Cepak reported an open-market sale of common stock.

Accepted by SEC EDGAR 03/06/2026 - 04:10 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Patterson-UTI Energy director Tiffany Thom Cepak reported an open-market sale of common stock. On March 4, 2026, she sold 12,000 shares of Patterson-UTI Energy common stock at a weighted average price of $8.86 per share, in multiple transactions between $8.86 and $8.88. After this sale, she directly owned 161,111 shares of Patterson-UTI Energy common stock.

Insider Trade Summary

Net Seller: 12,000 shares

Net Sell 1 txn

Insider CEPAK TIFFANY THOM

Role Director

Sold 12,000 shs ($106K)

Share of Position Sold 6.9%

Type	Security	Shares	Price	Value
Sale	Common Stock	12,000	$8.86	$106K

Holdings After Transaction: Common Stock — 161,111 shares (Direct)

Holdings Before and After: Common Stock, 173,111 to 161,111 shares (Direct)

Other Insiders: 1 other insider reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (1)

1. F1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $8.86 to $8.88, inclusive. The Reporting Person undertakes to provide to Patterson-UTI Energy, Inc., any security holder of Patterson-UTI Energy, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

FAQ

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What insider transaction did PTEN director Tiffany Thom Cepak report?

Tiffany Thom Cepak reported selling 12,000 shares of Patterson-UTI Energy common stock. The transaction was an open-market sale on March 4, 2026, reported on Form 4, and reflects a change in her directly held share position.

At what price did Tiffany Thom Cepak sell PTEN shares?

She sold 12,000 Patterson-UTI Energy shares at a weighted average price of $8.86 per share. The shares were sold in multiple trades, with individual transaction prices ranging between $8.86 and $8.88, according to the Form 4 footnote.

How many PTEN shares does Tiffany Thom Cepak own after this sale?

After the reported sale, Tiffany Thom Cepak directly owns 161,111 shares of Patterson-UTI Energy common stock. This post-transaction balance is disclosed in the Form 4 as the total number of shares beneficially owned following the open-market sale.

What does transaction code "S" mean in the PTEN Form 4 filing?

Transaction code “S” on the Form 4 indicates a sale of securities. In this case, it represents an open-market or private sale of 12,000 shares of Patterson-UTI Energy common stock by director Tiffany Thom Cepak on March 4, 2026.

Was the PTEN insider sale made directly by Tiffany Thom Cepak?

Yes. The Form 4 identifies the ownership as direct, with 12,000 shares of Patterson-UTI Energy common stock sold and 161,111 shares directly owned afterward. No footnotes indicate indirect ownership through another entity or a disclaimer of beneficial ownership.

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

CEPAK TIFFANY THOM

(Last) (First) (Middle)

10713 W SAM HOUSTON PKWY N

SUITE 800

(Street)

HOUSTON TX 77064

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PATTERSON UTI ENERGY INC [ PTEN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/04/2026		S		12,000	D	$8.86(1)	161,111	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $8.86 to $8.88, inclusive. The Reporting Person undertakes to provide to Patterson-UTI Energy, Inc., any security holder of Patterson-UTI Energy, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Remarks:

	By Forrest Robinson pursuant to a limited power of attorney filed with the SEC on 08/11/2014 /s/Forrest Robinson	03/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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