Patterson-UTI director may sell 198K shares

The filing is a notice of a planned Sept. 2, 2026 sale on NASDAQ, and also cites a prior Sept. 1, 2026 sale of 1,605 shares.

Rhea-AI Filing Summary

PATTERSON UTI ENERGY INC (PTEN) received a notice under Rule 144 that director Robert W. Drummond Jr., through Fidelity Brokerage Services LLC, may sell up to 198,395 shares of common stock, with an indicated aggregate market value of $2,549,549.53, against 381,384,874 shares outstanding as of a planned sale date of September 2, 2026 on NASDAQ. These shares were acquired from the issuer on September 1, 2023 via restricted stock vesting as compensation. The notice also reports a prior sale of 1,605 shares for $20,624.25 on September 1, 2026.

Key Figures

Shares to be sold under Rule 144: 198,395 shares Aggregate market value of shares to be sold: $2,549,549.53 Shares outstanding: 381,384,874 shares +4 more

7 metrics

Shares to be sold under Rule 144 198,395 shares Maximum PTEN common shares covered by the notice for potential sale

Aggregate market value of shares to be sold $2,549,549.53 Indicated value of the 198,395 PTEN shares covered by the Rule 144 notice

Shares outstanding 381,384,874 shares PTEN common shares outstanding used as context in the notice

Past 3 months sale volume 1,605 shares Shares of PTEN common stock sold on September 1, 2026

Proceeds from past 3 months sale $20,624.25 Value of 1,605 PTEN shares sold on September 1, 2026

Planned sale date September 2, 2026 Approximate date of the contemplated Rule 144 sale

Acquisition date of shares to be sold September 1, 2023 Date the 198,395 PTEN shares were acquired via restricted stock vesting

Key Terms

Rule 144, Restricted Stock Vesting, aggregate market value, attorney-in-fact, +1 more

5 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Common | 09/01/2023 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

aggregate market value financial

"Common | Fidelity Brokerage Services LLC ... | 198395 | 2549549.53"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

attorney-in-fact regulatory

"as attorney-in-fact for Robert W. Drummond Jr"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

compensation financial

"198395 | 09/01/2023 | Compensation"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider sale is disclosed for PATTERSON UTI ENERGY INC (PTEN) in this Form 144?

The filing reports that director Robert W. Drummond Jr. may sell up to 198,395 shares of PTEN common stock through Fidelity Brokerage Services LLC under Rule 144, with a planned sale date of September 2, 2026 on NASDAQ.

How many PATTERSON UTI ENERGY INC (PTEN) shares are covered by the potential Rule 144 sale and what is their value?

The notice covers up to 198,395 shares of PTEN common stock, with an indicated aggregate market value of $2,549,549.53 for the contemplated Rule 144 sale.

How many PATTERSON UTI ENERGY INC (PTEN) shares are outstanding according to this filing?

The filing states that there are 381,384,874 shares of PATTERSON UTI ENERGY INC common stock outstanding, as context for the contemplated Rule 144 sale.

How and when did the insider acquire the PATTERSON UTI ENERGY INC (PTEN) shares to be sold?

The 198,395 shares covered by the notice were acquired on September 1, 2023 from the issuer via Restricted Stock Vesting, characterized in the form as compensation.

What PATTERSON UTI ENERGY INC (PTEN) insider sales occurred in the past three months per this notice?

The filing reports that on September 1, 2026, 1,605 shares of PTEN common stock were sold for $20,624.25 by Robert W. Drummond Jr., which is listed under securities sold during the past three months.

Which broker is handling the potential PATTERSON UTI ENERGY INC (PTEN) Rule 144 sale?

The contemplated sale of 198,395 PTEN shares under Rule 144 is associated with Fidelity Brokerage Services LLC, listed as the broker handling the common stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/02/2026 - 02:04 PM EDT Accepted by SEC EDGAR 09/02/2026 - 02:03 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001645511
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	PATTERSON UTI ENERGY INC
SEC File Number	001-39270
Address of Issuer	10713 WEST SAM HOUSTON PARKWAY NORTH SUITE 800 HOUSTON TEXAS 77064
Phone	2817657100
Name of Person for Whose Account the Securities are To Be Sold	Drummond Robert Wayne Jr
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	198395	2549549.53	381384874	09/02/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/01/2023	Restricted Stock Vesting	Issuer			198395	09/01/2023	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Robert W. Drummond Jr 10713 W. Sam Houston Pkwy N Suite 800 Houston TX 77064	Common	09/01/2026	1605	20624.25

144: Remarks and Signature

Remarks
Date of Notice	09/02/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Robert W. Drummond Jr
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)