Flowserve (FLS) HR chief settles stock units and withholds shares for taxes

Rhea-AI Filing Summary

Flowserve Corp’s Chief Human Resources Officer Brian Boukalik reported equity compensation activity involving restricted stock units and common shares. On March 2, 2026, restricted stock units that vested on March 1, 2026 converted into common stock under the company’s long-term incentive plan.

As part of these settlements, Boukalik acquired common shares through derivative exercises and had portions of the stock (374 and 430 shares) withheld at $88.52 per share to cover tax obligations. The transactions reflect routine vesting and tax-withholding dispositions rather than open-market buying or selling.

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^*

Boukalik Brian

(Last) (First) (Middle)

5215 N. O'CONNOR BLVD.

SUITE 700

(Street)

IRVING TX 75039

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FLOWSERVE CORP [ FLS ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

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
Common Stock	03/02/2026		M		1,295	A	$0	2,716	D
Common Stock	03/02/2026		F		374	D	$88.52	2,342	D
Common Stock	03/02/2026		M		1,762	A	$0	4,104	D
Common Stock	03/02/2026		F		430	D	$88.52	3,674	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)	03/02/2026		M			1,260	(1)	(1)	Common Stock	1,260	$0	12,896	D
Restricted Stock Units	(1)	03/02/2026		M			1,735	(1)	(1)	Common Stock	1,735	$0	11,161	D

Explanation of Responses:

1. Each restricted stock unit represents the right to receive, at settlement, one share of common stock (plus dividends accrued on the underlying shares) and are granted to the reporting person pursuant to the issuer's long-term incentive compensation plan for employees. These restricted stock units vested on March 1, 2026, and settled on the next business day.

Remarks:

	/s/ Shakeeb U. Mir, attorney in fact	03/04/2026
	** 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 Flowserve (FLS) report for Brian Boukalik?

Flowserve reported that Chief Human Resources Officer Brian Boukalik settled vested restricted stock units into common stock and had some shares withheld to cover taxes. These transactions reflect routine equity compensation activity under the company’s long-term incentive plan.

Were the Flowserve (FLS) transactions by Brian Boukalik open-market stock purchases or sales?

The reported transactions were not open-market trades. They involved the exercise and settlement of restricted stock units into common stock and tax-withholding dispositions, where shares were delivered at $88.52 per share to satisfy tax liabilities.

What are the restricted stock units mentioned in the Flowserve (FLS) Form 4?

Each restricted stock unit represents the right to receive one share of Flowserve common stock plus accrued dividends at settlement. They were granted to Brian Boukalik under Flowserve’s long-term incentive compensation plan for employees and vested on March 1, 2026.

When did Brian Boukalik’s restricted stock units vest and settle at Flowserve (FLS)?

The restricted stock units vested on March 1, 2026 and settled on the next business day. The Form 4 reflects the resulting share issuances and related tax-withholding stock dispositions recorded on March 2, 2026.

Why were some Flowserve (FLS) shares disposed of in Brian Boukalik’s Form 4 filing?

Shares were disposed of solely to pay tax liabilities tied to the vesting of restricted stock units. Flowserve’s Form 4 identifies these as tax-withholding dispositions, using shares valued at $88.52 per share instead of cash to satisfy the tax obligations.