Cactus (NYSE: WHD) director awarded RSUs and exercises prior grant

Rhea-AI Filing Summary

Cactus, Inc. director Tymothi O. Tombar reported equity compensation and an option-style conversion, not any open-market trading. On March 10, 2026, he received a grant of 2,559 restricted stock units (RSUs), which vest on the first anniversary of the grant. The same day, 2,524 RSUs granted on March 10, 2025 vested and were converted into 2,524 shares of Class A common stock at no cash exercise price. Following these transactions, he directly holds 27,527 shares of Class A common stock and 2,559 RSUs that will settle into shares upon vesting.

Insider Trade Summary

2,524 shares exercised/converted

Mixed 3 txns

Insider Tombar Tymothi O.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	2,559	$0.00	--
Exercise	Restricted Stock Units	2,524	$0.00	--
Exercise	Class A Common Stock	2,524	$0.00	--

Holdings After Transaction: Restricted Stock Units — 5,083 shares (Direct); Class A Common Stock — 27,527 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. On March 10, 2026, the reporting person was granted 2,559 restricted stock units, vesting on the first anniversary of the grant date. On March 10, 2025, the reporting person was granted 2,524 restricted stock units, vesting 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^*

Tombar Tymothi O.

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

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		2,524	A	(1)	27,527	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		2,559		(2)	(2)	Class A Common Stock	2,559	$0	5,083	D
Restricted Stock Units	(1)	03/10/2026		M			2,524	(3)	(3)	Class A Common Stock	2,524	$0	2,559	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. On March 10, 2026, the reporting person was granted 2,559 restricted stock units, vesting on the first anniversary of the grant date.

3. On March 10, 2025, the reporting person was granted 2,524 restricted stock units, vesting on the first anniversary of the grant date.

Remarks:

	/s/ Tymothi Tombar, 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 insider activity did Cactus (WHD) director Tymothi Tombar report?

Director Tymothi O. Tombar reported equity compensation activity, not market trades. He received a grant of 2,559 restricted stock units and had 2,524 previously granted units vest and convert into Class A common shares on March 10, 2026.

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

He was granted 2,559 restricted stock units. Each unit represents a contingent right to receive one share of Cactus Class A common stock, with the entire grant vesting on the first anniversary of the March 10, 2026 grant date, according to the filing footnotes.

What happened to the 2,524 Cactus (WHD) restricted stock units granted in 2025?

The 2,524 restricted stock units granted on March 10, 2025 vested on their first anniversary. Upon vesting, they were converted into 2,524 shares of Cactus Class A common stock, with no cash exercise price, increasing the director’s direct share ownership.

Did the Cactus (WHD) director buy or sell shares on the open market?

No open-market purchases or sales were reported. The Form 4 shows a grant of new restricted stock units and the vesting and conversion of prior units into shares, all at a reported price of $0.00 per share, reflecting equity compensation, not trading.

How many Cactus (WHD) shares does the director hold after these transactions?

After these transactions, the director directly owns 27,527 shares of Class A common stock. He also holds 2,559 restricted stock units that will each settle into one share of Class A common stock upon vesting, as described in the filing footnotes.