Initial Statement of Beneficial Ownership (Form 3)

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * Klopfer Matthew Carl 2. Date of Event Requiring Statement (Month/Day/Year) 04/11/2026 3. Issuer Name and Ticker or Trading Symbol FLOWSERVE CORP [FLS] (Last) (First) (Middle) 5215 N. O'CONNOR BLVD., SUITE 700 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President, FPD 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) IRVING, TX 75039 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 6,845 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Rights	(1)	(1)	Common Stock	1,395	(1)	D
Restricted Stock Units	(2)	(2)	Common Stock	1,084	(2)	D
Restricted Stock Units	(3)	(3)	Common Stock	1,135	(3)	D
Performance Rights	(4)	(4)	Common Stock	931	(4)	D
Restricted Stock Units	(5)	(5)	Common Stock	1,449	(5)	D
Restricted Stock Units	(6)	(6)	Common Stock	9,028	(6)	D
Performance Rights	(7)	(7)	Common Stock	878	(7)	D
Restricted Stock Units	(8)	(8)	Common Stock	2,049	(8)	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Klopfer Matthew Carl 5215 N. O'CONNOR BLVD. SUITE 700 IRVING, TX 75039			President, FPD

Signatures

/s/ Grace-Ann Duquette, attorney in fact		04/15/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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).
(1)	Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% and are based on two factors during a three-year performance cycle beginning on January 1, 2024 and ending on December 31, 2026 which are based equally on: 1) the issuer's ROIC for each calendar year in the performance period measured against the issuer's target ROIC for each calendar year in the performance period; and 2) the issuer's FCF as a percentage of adjusted net income for each calendar year in the performance period measured against the issuer's target FCF as a percentage of adjusted net income for each calendar year in the performance period. The performance rights are also subject to 15% payout modifier (positive or negative) based on the issuer's relative TSR in comparison to the TSR of companies that comprise the S&P 500 Industrials Index for the entire performance period.
(2)	Each restricted stock unit represents the right to receive, at settlement, one share of common stock and is granted to the reporting person pursuant to the issuer's long-term incentive compensation plan for employees. The shares vest ratably over a three-year period on each anniversary of March 1, 2024.
(3)	Each restricted stock unit represents the right to receive, at settlement, one share of common stock and is granted to the reporting person pursuant to the issuer's long-term incentive compensation plan for employees. The shares cliff vest on the third anniversary of the grant date, January 15, 2025.
(4)	Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% and are based on two factors during a three-year performance cycle beginning on January 1, 2025 and ending on December 31, 2027 which are based equally on: 1) the issuer's ROIC for each calendar year in the performance period measured against the issuer's target ROIC for each calendar year in the performance period; and 2) the issuer's FCF as a percentage of adjusted net income for each calendar year in the performance period measured against the issuer's target FCF as a percentage of adjusted net income for each calendar year in the performance period. The performance rights are also subject to 15% payout modifier (positive or negative) based on the issuer's relative TSR in comparison to the TSR of companies that comprise the S&P 500 Industrials Index for the entire performance period.
(5)	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. The shares vest ratably over a three-year period on each anniversary of March 1, 2025.
(6)	Each restricted stock unit represents the right to receive, at settlement, one share of common stock and is granted to the reporting person pursuant to the issuer's long-term incentive compensation plan for employees. The shares vest ratably over a three-year period on each anniversary of the grant date, September 22, 2025.
(7)	Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% and are based on two factors during a three-year performance cycle beginning on January 1, 2026 and ending on December 31, 2028 which are: 1) the issuer's return on invested capital ("ROIC") measured against the issuer's target ROIC for each calendar year during the performance period; and 2) the issuer's average annual earnings per share growth over each calendar year during the performance period. The performance rights are also subject to a 15% payout modifier (positive or negative) based on the issuer's relative total shareholder return ("TSR") in comparison to the TSR of companies that comprise the S&P 500 Industrial Index for the entire performance period, as of January 1, 2026. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.
(8)	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. The shares vest ratably over a three-year period on each anniversary of March 1, 2026.

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