Cactus (WHD) COO receives 14,290 RSUs as prior awards vest

Rhea-AI Filing Summary

Cactus, Inc. Chief Operating Officer Steven Bender reported routine equity compensation activity involving restricted stock units and common shares. On March 10, 2026, he received a grant of 14,290 restricted stock units that vest in three equal annual installments beginning on the first anniversary of the grant date.

Across March 10–11, 2026, 13,581 previously granted restricted stock units vested and were exercised into Class A common stock at a conversion price of $0.00 per share. To satisfy tax withholding obligations upon these vestings, the company withheld 5,346 shares of Class A common stock at prices of about $48.56–$48.60 per share instead of any open‑market sale.

Following these transactions, Bender directly holds 99,241 shares of Class A common stock and 121,894 restricted stock units, each RSU representing a contingent right to receive one share of Class A common stock upon vesting.

Insider Trade Summary

13,581 shares exercised/converted

Mixed 10 txns

Insider Bender Steven

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	4,971	$0.00	--
Exercise	Class A Common Stock	4,971	$0.00	--
Tax Withholding	Class A Common Stock	1,957	$48.56	$95K
Grant/Award	Restricted Stock Units	14,290	$0.00	--
Exercise	Restricted Stock Units	4,583	$0.00	--
Exercise	Restricted Stock Units	4,027	$0.00	--
Exercise	Class A Common Stock	4,583	$0.00	--
Tax Withholding	Class A Common Stock	1,804	$48.60	$88K
Exercise	Class A Common Stock	4,027	$0.00	--
Tax Withholding	Class A Common Stock	1,585	$48.60	$77K

Holdings After Transaction: Restricted Stock Units — 121,894 shares (Direct); Class A Common Stock — 101,198 shares (Direct)

Footnotes (1)

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. Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units. On March 10, 2026, the reporting person was granted 14,290 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. On March 10, 2023, the reporting person was granted 13,748 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. On March 10, 2025, the reporting person was granted 12,080 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. On March 11, 2024, the reporting person was granted 14,915 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

Form 4 Insider Transactions: What Each Field Means →

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^*

Bender Steven

(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)
	Chief Operating Officer

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		4,583	A	(1)	95,589	D
Class A Common Stock	03/10/2026		F		1,804(2)	D	$48.6	93,785	D
Class A Common Stock	03/10/2026		M		4,027	A	(1)	97,812	D
Class A Common Stock	03/10/2026		F		1,585(2)	D	$48.6	96,227	D
Class A Common Stock	03/11/2026		M		4,971	A	(1)	101,198	D
Class A Common Stock	03/11/2026		F		1,957(2)	D	$48.56	99,241	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	135,475	D
Restricted Stock Units	(1)	03/10/2026		M			4,583	(4)	(4)	Class A Common Stock	4,583	$0	130,892	D
Restricted Stock Units	(1)	03/10/2026		M			4,027	(5)	(5)	Class A Common Stock	4,027	$0	126,865	D
Restricted Stock Units	(1)	03/11/2026		M			4,971	(6)	(6)	Class A Common Stock	4,971	$0	121,894	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 annual installments beginning on the first anniversary of the grant date.

4. On March 10, 2023, the reporting person was granted 13,748 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

5. On March 10, 2025, the reporting person was granted 12,080 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

6. On March 11, 2024, the reporting person was granted 14,915 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

Remarks:

	/s/ Steven Bender, by William Marsh as Attorney-in-Fact	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.

FAQ

What equity transactions did Cactus (WHD) COO Steven Bender report?

Steven Bender reported RSU grants, vesting, and related tax withholding. He received 14,290 new restricted stock units, had 13,581 previously granted RSUs vest into Class A common stock, and the company withheld 5,346 shares to cover tax obligations.

How many restricted stock units were granted to the Cactus (WHD) COO?

The COO was granted 14,290 restricted stock units. These RSUs were awarded on March 10, 2026 and will vest in three equal annual installments beginning on the first anniversary of the grant date, subject to the standard vesting conditions described.

How many Cactus (WHD) RSUs vested and converted to shares in this Form 4?

A total of 13,581 restricted stock units vested and converted. These RSUs were exercised into Class A common stock at a conversion price of $0.00 per share, reflecting the delivery of stock upon vesting rather than an open‑market purchase.

Were any Cactus (WHD) shares sold on the open market in this filing?

No open‑market sales were reported. The only dispositions were 5,346 shares of Class A common stock withheld by the company at about $48.56–$48.60 per share to satisfy tax withholding obligations triggered by the RSU vesting events.

What are Steven Bender’s Cactus (WHD) holdings after these transactions?

After these transactions, Bender holds 99,241 common shares and 121,894 RSUs. The common shares are held directly, while each restricted stock unit represents a contingent right to receive one share of Class A common stock upon future vesting.

How do restricted stock units work for Cactus (WHD) executives in this Form 4?

Restricted stock units provide a right to receive stock upon vesting. For Bender, one share of Class A common stock will be delivered for each vested RSU, and the company may withhold a portion of shares at vesting to cover tax obligations.