William D. Marsh - 01 Jan 2026 Form 4 Insider Report for Cactus, Inc. (WHD)

Role: GC, EVP and Secretary
Signature: /s/ William D. Marsh
Issuer symbol: WHD
Transactions as of: 01 Jan 2026
Net transactions value: $0
Form type: 4
Filing time: 05 Jan 2026, 18:19:52 UTC
Previous filing: 09 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MARSH WILLIAM D	GC, EVP and Secretary	920 MEMORIAL CITY WAY, SUITE 300, HOUSTON	/s/ William D. Marsh	05 Jan 2026	0001570404

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	WHD	Restricted Stock Units	Award	$0	+8,741	+41%	$0.000000	29,871	01 Jan 2026	Class A Common Stock	8,741		Direct	F1, F2
transaction	WHD	Restricted Stock Units	Award	$0	+10,926	+37%	$0.000000	40,797	01 Jan 2026	Class A Common Stock	10,926		Direct	F1, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.
F2	On January 1, 2026 the reporting person was granted 8,741 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.
F3	On January 1, 2026 the reporting person was granted 10,926 restricted stock units, vesting in two equal annual installments beginning on the first anniversary of the grant date.