Cactus EVP reports equity grant and tax share withholding

Cactus, Inc. executive Stephen Tadlock reported equity compensation activity involving the company’s Class A common stock.

Rhea-AI Filing Summary

Cactus, Inc. executive Stephen Tadlock reported equity compensation activity involving the company’s Class A common stock. He acquired 27,496 shares on February 26, 2026 as a grant earned from performance share units covering a three-year period ending December 31, 2025. On the same date, 10,820 shares were disposed of at $51.56 per share, representing shares withheld by the company to cover tax obligations tied to vesting restricted stock units. Following these transactions, Tadlock directly owned 71,774 Class A shares.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Tadlock Stephen

Role EVP/CEO Spool Tech/Cactus Intl

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	27,496	$0.00	$0.00
Exercise Price or Tax Liability	Class A Common Stock	10,820	$51.56	$558K

Holdings After Transaction: Class A Common Stock — 71,774 shares (Direct)

Footnotes (2)

1. F1. Represents shares earned for the performance share units granted in 2023 for the three-year performance period ending December 31, 2025 as approved by the Compensation Committee of the Board of Directors based on the audited financial statements for the year ended December 31, 2025.
2. F2. Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units.

FAQ

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

What insider transactions did Cactus, Inc. (WHD) report for Stephen Tadlock?

Cactus, Inc. reported that executive Stephen Tadlock received 27,496 Class A shares as an equity award and had 10,820 shares withheld for taxes. Both transactions occurred on February 26, 2026 and relate to previously granted performance and restricted stock units.

Was the Cactus, Inc. (WHD) Form 4 transaction a stock purchase or sale?

The Form 4 for Cactus, Inc. shows an award and a tax-related disposition, not an open-market trade. Tadlock received 27,496 shares at no cost and 10,820 shares were withheld by the company to satisfy tax withholding obligations from vested restricted stock units.

How many Cactus, Inc. (WHD) shares does Stephen Tadlock own after this Form 4?

After the reported transactions, Stephen Tadlock directly owned 71,774 shares of Cactus, Inc. Class A common stock. This reflects the 27,496-share award minus 10,820 shares withheld for taxes, as disclosed in the Form 4’s post-transaction ownership column.

What is the origin of the 27,496 Cactus, Inc. (WHD) shares granted to Stephen Tadlock?

The 27,496 shares represent performance share units granted in 2023, earned over a three-year period ending December 31, 2025. The Compensation Committee approved the payout based on audited 2025 financial statements, converting the performance units into Class A common stock.

Why were 10,820 Cactus, Inc. (WHD) shares disposed of at $51.56 in the Form 4?

The 10,820 shares at $51.56 were withheld by Cactus, Inc. to satisfy tax withholding obligations from vesting restricted stock units. This tax-withholding disposition is coded “F” on the Form 4 and does not reflect an open-market sale by Stephen Tadlock.

What do the performance and restricted stock units mean for Cactus, Inc. (WHD) insiders?

Performance share units and restricted stock units give insiders equity based on service and performance goals. For Tadlock, earned 2023 performance units converted into 27,496 shares, while previously granted restricted units vested, triggering 10,820 shares withheld to cover taxes due at vesting.

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

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Accepted by SEC EDGAR 03/02/2026 - 08:11 PM Learn about SEC filing dates

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^*

Tadlock Stephen

(Last) (First) (Middle)

920 MEMORIAL CITY WAY

SUITE 300

(Street)

HOUSTON TX 77024

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Cactus, Inc. [ WHD ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP/CEO Spool Tech/Cactus Intl

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

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
Class A Common Stock	02/26/2026		A		27,496	A	(1)	82,594	D
Class A Common Stock	02/26/2026		F		10,820(2)	D	$51.56	71,774	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. Represents shares earned for the performance share units granted in 2023 for the three-year performance period ending December 31, 2025 as approved by the Compensation Committee of the Board of Directors based on the audited financial statements for the year ended December 31, 2025.

2. Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units.

Remarks:

	/s/ Stephen Tadlock, by Will Marsh as Attorney-in-Fact	03/02/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.