Robert Half (RHI) chairman granted new stock awards, shares withheld for taxes

Rhea-AI Filing Summary

ROBERT HALF INC. chairman Harold M. Messmer Jr. reported stock-based compensation awards rather than open-market trading. On March 23, 2026, he acquired 649 shares of common stock and an additional 44,319 shares as grants tied to company performance and the Stock Incentive Plan. A separate entry shows 5,896 shares were withheld at $24.82 per share to cover tax obligations, which is a non-market disposition. After these transactions, Messmer directly holds 684,158 shares of Robert Half common stock.

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

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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^*

MESSMER HAROLD M JR

(Last) (First) (Middle)

2884 SAND HILL ROAD

SUITE 200

(Street)

MENLO PARK CALIFORNIA 94025

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ROBERT HALF INC. [ RHI ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/23/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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
Common Stock	03/23/2026		A		649	A(1)	$0(2)	645,735	D
Common Stock	03/23/2026		A		44,319	A	$0(2)	690,054	D
Common Stock	03/23/2026		F		5,896	D	$24.82	684,158	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 additional shares granted as a result of the certification of a performance condition for the performance shares granted on March 20, 2023, which will vest on March 23, 2026.

2. Granted pursuant to the Stock Incentive Plan.

Remarks:

	/s/ Harold M. Messmer, Jr.	03/23/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider activity did Robert Half (RHI) report for Harold M. Messmer Jr.?

Robert Half reported that chairman Harold M. Messmer Jr. received stock-based compensation awards, not open-market trades. He was granted two blocks of common stock and had a portion of shares withheld to satisfy tax obligations associated with those awards on March 23, 2026.

How many Robert Half (RHI) shares were granted to the chairman in this filing?

The filing shows two grant or award acquisitions: 649 shares and 44,319 shares of Robert Half common stock. Footnotes explain these include additional shares from certification of a performance condition and that they were granted under the company’s Stock Incentive Plan.

Were any Robert Half (RHI) shares sold on the open market in this Form 4?

No open-market sales were reported. The only disposition was 5,896 shares classified as a tax-withholding transaction. Those shares were withheld at $24.82 per share to cover tax liabilities tied to the stock awards, rather than sold as a discretionary market trade.

What is Harold M. Messmer Jr.’s Robert Half (RHI) shareholding after these transactions?

After the reported grant awards and tax-withholding disposition, Harold M. Messmer Jr. directly holds 684,158 shares of Robert Half common stock. This total reflects his position following all transactions dated March 23, 2026 disclosed in this Form 4 filing.

What type of Robert Half (RHI) equity awards were reported in this Form 4?

The transactions are stock grants under Robert Half’s Stock Incentive Plan. Footnotes state that some shares were granted due to certification of a performance condition for performance shares granted on March 20, 2023, scheduled to vest on March 23, 2026.

When do the performance-based Robert Half (RHI) shares reported here vest?

Footnotes explain that the additional shares relate to performance shares originally granted on March 20, 2023. These performance-based shares are scheduled to vest on March 23, 2026, following certification of the relevant performance condition by the company.