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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

______________________

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): ~~May 28~~June 30, 2026

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FLOWSERVE CORPORATION

(Exact Name of Registrant as Specified in its Charter)

New York	1-13179	31-0267900
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)
5215 N. O’Connor Blvd., Suite 700, Irving, Texas		75039
(Address of Principal Executive Offices)		(Zip Code)

______________________


New York	1-13179	31-0267900
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)


5215 N. O'Connor Blvd., Suite 700,	Irving,	Texas	75039
(Address of Principal Executive Offices)			(Zip Code)

(972) 443-6500

(Registrant’'s telephone number, including area code)

N/A

(Former Name or Former Address, if Changed Since Last Report)

______________________

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $1.25 Par Value	FLS	New York Stock Exchange

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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Item 7.01 Regulation FD Disclosure.

OnAcquisition May 28, 2026, Flowserve Corporation, a New York corporation (the “Company”), issued a press release in response to public statements made by Starboard Value LP, reaffirming its previously announced full-year guidance for fiscal year 2026. A copy of ~~this~~Trillium ~~press~~Flow ~~release~~Technologies’ isValves ~~attached as Exhibit 99.1 and incorporated herein by reference.~~ Division

~~The~~On ~~information~~June ~~furnished~~30, in2026, ~~Item~~Flowserve ~~7.01~~Corporation ofissued ~~this~~a ~~Form~~press ~~8-K~~release ~~and~~announcing inthe ~~Exhibit~~closing ~~99.1~~of ~~attached~~its ~~hereto~~acquisition ~~shall not be deemed “filed” for purposes~~ of ~~Section 18~~Trillium ofFlow ~~the~~Technologies’ ~~Securities~~Valves ~~Exchange Act of 1934~~Division, asa ~~amended~~market ~~(the~~leading ~~“Exchange~~provider ~~Act”),~~of orhighly ~~otherwise~~engineered ~~subject~~mission-critical tovalves ~~the~~used ~~liabilities~~in ~~under~~nuclear ~~that section~~ and ~~shall~~traditional ~~not~~power begeneration, ~~deemed~~industrial, ~~incorporated~~and bycritical ~~reference~~infrastructure ~~into~~applications, ~~any~~for ~~filing~~$490 ~~under~~million ~~the~~in ~~Securities~~cash. ~~Act~~A copy of ~~1933, as amended (~~the ~~“Securities~~press ~~Act”),~~release oris ~~the~~furnished ~~Exchange Act, unless specifically identified therein~~ as ~~being~~Exhibit ~~incorporated~~99.1 ~~therein by reference~~hereto.

The information furnished in Item 7.01 of this Form 8-K, including Exhibit 99.1 attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that section and shall not be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, unless specifically identified therein as being incorporated therein by reference.

Forward-Looking Statements and Cautionary Statements

This Current Report includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Exchange Act, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Words or phrases such as, “may,” “should,” “expects,” “could,” “intends,” “plans,” “anticipates,” “estimates,” “believes,” “forecasts,” “predicts” or other similar expressions are intended to identify forward-looking statements, which include, without limitation, earnings forecasts, statements relating to our business strategy and statements of expectations, beliefs, future plans and strategies and anticipated developments concerning our industry, business, operations and financial performance and condition.

The forward-looking statements included in this Current Report are based on our current expectations, projections, estimates and assumptions. These statements are only predictions, not guarantees. Such forward-looking statements are subject to numerous risks and uncertainties that are difficult to predict. These risks and uncertainties may cause actual results to differ materially from what is forecast in such forward-looking statements, and include, without limitation, the following: economic, political and other risks associated with our international operations, including military actions, trade embargoes, blockades or other closures of major trade lanes, epidemics or pandemics and changes to tariffs or trade agreements that could affect customer and supply markets, particularly North African, Latin American, Asian and Middle Eastern markets and global ~~oil and gas producers, and non-compliance with U.S. export/re-export control, foreign corrupt practice laws, economic sanctions and import laws and regulations; global~~ supply chain disruptions and the current inflationary environment could adversely affect the efficiency of our manufacturing and increase the cost of providing our products to customers; a portion of our bookings may not lead to completed sales, and our ability to convert bookings into revenues at acceptable profit margins; changes in global economic conditions and the potential for unexpected cancellations or delays of customer orders in our reported backlog; our dependence on our customers’ ability to make required capital investment and maintenance expenditures; if we are not able to successfully execute and realize the expected financial benefits from any restructuring and realignment initiatives, our business could be adversely affected; the substantial dependence of our sales on the success of the energy, chemical, power generation and general industries; the adverse impact of volatile raw materials prices on our products and operating margins; ~~the~~economic, ~~impact~~political ofand ~~public~~other ~~health~~risks ~~emergencies,~~associated ~~such~~with asour ~~outbreaks~~international ~~of epidemics~~operations, ~~pandemics,~~including ~~and~~military ~~contagious~~actions, ~~diseases~~trade embargoes, onepidemics ~~our~~or ~~business~~pandemics and ~~operations;~~changes ~~increased~~to ~~aging~~tariffs ~~and~~or ~~slower~~trade ~~collection~~agreements ofthat ~~receivables~~could affect customer markets, particularly inNorth African, Latin ~~America~~American, Asian and ~~other~~Middle ~~emerging~~Eastern markets; ~~potential~~and ~~adverse~~global ~~effects~~oil ~~resulting~~and ~~from~~gas ~~the~~producers, ~~implementation~~and non-compliance with ofU.S. export/re-export control, ~~new~~foreign ~~tariffs~~corrupt ~~and~~practice ~~related~~laws, ~~retaliatory~~economic ~~actions~~sanctions and ~~changes~~import tolaws orand ~~uncertainties~~regulations; ~~related~~the toimpact ~~tariffs~~of ~~and~~public ~~trade~~health ~~agreements;~~emergencies, ~~our~~such ~~exposure~~as tooutbreaks ~~fluctuations~~of inepidemics, ~~foreign~~pandemics, ~~currency~~and ~~exchange~~contagious ~~rates~~diseases, ~~including~~on inour ~~hyperinflationary~~business ~~countries~~and ~~such as Argentina~~operations; ~~potential~~increased ~~adverse~~aging ~~consequences~~and ~~resulting~~slower ~~from~~collection ~~litigation~~of toreceivables, ~~which~~particularly wein ~~are~~Latin aAmerica ~~party; expectations regarding acquisitions~~ and ~~the~~other ~~integration~~emerging ~~of acquired businesses~~markets; ~~the~~ potential adverse ~~impact~~effects ofresulting anfrom ~~impairment in~~ the ~~carrying~~implementation ~~value~~ of ~~goodwill~~new ~~or other intangible assets; our~~

tariffs and related retaliatory actions and changes to or uncertainties related to tariffs and trade agreements; our exposure to fluctuations in foreign currency exchange rates, including in hyperinflationary countries such as Argentina; potential adverse consequences resulting from litigation to which we are a party, such as litigation involving asbestos-containing material claims; expectations regarding acquisitions and the integration of acquired businesses; the potential adverse impact of an impairment in the carrying value of goodwill or other intangible assets; our dependence upon third-party suppliers whose failure to perform timely could adversely affect our business operations; the highly competitive nature of the markets in which we operate; if we are not able to maintain our competitive position by successfully developing and introducing new products and integrate new technologies, including artificial intelligence and machine learning; environmental compliance costs and liabilities; potential work stoppages and other labor matters; access to public and private sources of debt financing; our inability to protect our intellectual property in the United States, as well as in foreign countries; obligations under our defined benefit pension plans; our internal control over financial reporting may not prevent or detect misstatements because of its inherent limitations, including the possibility of human error, the circumvention or overriding of controls, or fraud; the recording of increased deferred tax asset valuation allowances in the future or the impact of tax law changes on such deferred tax assets could affect our operating results; our information technology infrastructure could be subject to service interruptions, data corruption, cyber-based attacks or network security breaches, which could disrupt our business operations and result in the loss of critical and confidential information; ineffective internal controls could impact the accuracy and timely reporting of our business and financial results; and other factors described from time to time in our filings with the Securities and Exchange Commission.

All forward-looking statements included in this Current Report are based on information available to us on the date hereof, and we assume no obligation to update any forward-looking statement.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

ExhibitNo.		Description
99.1		Press Release, dated May 28, 2026.
104		Cover Page Interactive Data File (embedded within the Inline XBRL Document).

Exhibit No. Description

99.1 Press Release, dated Ju ne 30 , 2026.

104 Cover Page Interactive Data File (embedded within the Inline XBRL Document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	~~FLOWSERVE CORPORATION~~	FLOWSERVE CORPORATION
Dated: May 28, 2026	By:	/s/ Amy B. Schwetz
Dated: June 30, 2026		By:	/s/ Amy B. Schwetz
		~~Amy B. Schwetz~~	Amy B. Schwetz
		~~Senior Vice President, Chief Financial Officer~~	Senior Vice President, Chief Financial Officer

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