Cactus GC Exercises RSUs, Withholds and Gifts Shares

Cactus, Inc. General Counsel, EVP and Secretary William D. Marsh reported multiple equity compensation transactions.

Rhea-AI Filing Summary

Cactus, Inc. General Counsel, EVP and Secretary William D. Marsh reported multiple equity compensation transactions. On March 10, 2026, he received 14,290 restricted stock units (RSUs) and had several RSU vestings that converted a total of 12,449 RSUs into Class A common stock.

Across March 10–11, the company withheld 4,901 shares of Class A common stock at prices around $48.56–$48.60 to cover tax obligations on these vestings, and 3,910 shares were transferred as a bona fide gift. After these transactions, Marsh directly owned 25,843 shares of Class A common stock.

Insider Trade Summary

12,449 shares exercised/converted

Exercise 11 txns

Insider MARSH WILLIAM D

Role GC, EVP and Secretary

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	3,314	$0.00	$0.00
Exercise	Class A Common Stock	3,314	$0.00	$0.00
Exercise Price or Tax Liability	Class A Common Stock	1,305	$48.56	$63K
Gift	Class A Common Stock	3,910	$0.00	$0.00
Grant/Award	Restricted Stock Units	14,290	$0.00	$0.00
Exercise	Restricted Stock Units	6,450	$0.00	$0.00
Exercise	Restricted Stock Units	2,685	$0.00	$0.00
Exercise	Class A Common Stock	6,450	$0.00	$0.00
Exercise Price or Tax Liability	Class A Common Stock	2,539	$48.60	$123K
Exercise	Class A Common Stock	2,685	$0.00	$0.00
Exercise Price or Tax Liability	Class A Common Stock	1,057	$48.60	$51K

Holdings After Transaction: Restricted Stock Units — 42,638 contracts (Direct); Class A Common Stock — 25,843 shares (Direct)

Footnotes (6)

1. F1. Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit.
2. F2. Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units.
3. F3. On March 10, 2026, the reporting person was granted 14,290 restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date.
4. F4. On March 10, 2023, the reporting person was granted 19,349 restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date.
5. F5. On March 10, 2025, the reporting person was granted 8,053 restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date.
6. F6. On March 11, 2024, the reporting person was granted 9,943 restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date.

FAQ

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

What equity transactions did WHD executive William D. Marsh report?

William D. Marsh reported RSU grants, vestings, tax withholdings, and a gift. He received 14,290 new RSUs, had 12,449 RSUs convert into Class A shares, 4,901 shares withheld for taxes, and 3,910 shares transferred as a bona fide gift.

Did WHD’s William D. Marsh buy or sell Cactus, Inc. shares on the market?

The filing shows no open-market purchases or sales by William D. Marsh. Reported dispositions were 4,901 shares withheld by Cactus, Inc. to satisfy tax obligations and 3,910 shares transferred as a bona fide gift, not market trades.

How many Cactus, Inc. RSUs did WHD’s William D. Marsh receive and vest?

Marsh received a grant of 14,290 restricted stock units on March 10, 2026. In addition, RSU vestings converted a total of 12,449 RSUs into Class A common stock, reflecting ongoing equity compensation rather than open-market activity.

How many Cactus, Inc. shares were withheld for taxes from WHD’s Form 4?

A total of 4,901 Class A common shares were withheld to cover tax obligations tied to RSU vestings. These tax-withholding dispositions occurred at prices around $48.56–$48.60 per share and do not represent discretionary market sales by Marsh.

How many Cactus, Inc. shares did William D. Marsh gift according to the Form 4?

The Form 4 reports that 3,910 shares of Cactus, Inc. Class A common stock were transferred as a bona fide gift. This gift is a non-market disposition and does not involve sale proceeds or a change in the company’s total shares outstanding.

What are William D. Marsh’s direct Cactus, Inc. share holdings after these transactions?

Following the reported RSU conversions, tax withholdings, and the gift transfer, William D. Marsh directly owned 25,843 shares of Cactus, Inc. Class A common stock. This reflects his remaining direct equity position after all March 10–11, 2026 transactions.

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

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Accepted by SEC EDGAR 03/12/2026 - 08:34 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^*

MARSH WILLIAM D

(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)
	GC, EVP and Secretary

3. Date of Earliest Transaction (Month/Day/Year)
03/10/2026

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	03/10/2026		M		6,450	A	(1)	28,655	D
Class A Common Stock	03/10/2026		F		2,539(2)	D	$48.6	26,116	D
Class A Common Stock	03/10/2026		M		2,685	A	(1)	28,801	D
Class A Common Stock	03/10/2026		F		1,057(2)	D	$48.6	27,744	D
Class A Common Stock	03/11/2026		M		3,314	A	(1)	31,058	D
Class A Common Stock	03/11/2026		F		1,305(2)	D	$48.56	29,753	D
Class A Common Stock	03/11/2026		G		3,910	D	$0	25,843	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
Restricted Stock Units	(1)	03/10/2026		A		14,290		(3)	(3)	Class A Common Stock	14,290	$0	55,087	D
Restricted Stock Units	(1)	03/10/2026		M			6,450	(4)	(4)	Class A Common Stock	6,450	$0	48,637	D
Restricted Stock Units	(1)	03/10/2026		M			2,685	(5)	(5)	Class A Common Stock	2,685	$0	45,952	D
Restricted Stock Units	(1)	03/11/2026		M			3,314	(6)	(6)	Class A Common Stock	3,314	$0	42,638	D

Explanation of Responses:

1. Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit.

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

3. On March 10, 2026, the reporting person was granted 14,290 restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date.

4. On March 10, 2023, the reporting person was granted 19,349 restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date.

5. On March 10, 2025, the reporting person was granted 8,053 restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date.

6. On March 11, 2024, the reporting person was granted 9,943 restricted stock units, vesting in three equal installments beginning on the first anniversary of the grant date.

Remarks:

	/s/ William D. Marsh	03/12/2026
	** 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.