UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of ~~August~~November 2025

Commission File Number: 001-41754

SHARKNINJA, INC.
(Translation of registrant’s name into English)

89 A Street
Needham, MA 02494
(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F x Form 40-F ¨

~~EXPLANATORY~~Explanatory ~~NOTE~~Note

On ~~August 26~~November 6, 2025, ~~Patraic Reagan notified~~ SharkNinja, Inc. (the “Company”) ofannounced ~~his~~its ~~decision~~financial toresults ~~resign~~for asthe ~~Chief~~third ~~Financial~~quarter ~~Officer~~ended ~~(“CFO”), effective~~ September 5 30, 2025. ~~Mr.~~ ~~Reagan’s~~The ~~resignation~~announcement ~~is not the result~~ of ~~any dispute or disagreement with~~ the Company ~~or its Board of Directors, including any matters relating to the Company~~’s ~~operations, policies, accounting practices, or~~ financial ~~reporting. On~~results ~~August~~for ~~27, 2025,~~ the ~~Board~~third ofquarter ~~Directors~~ended ~~appointed Adam Quigley to serve as interim CFO~~September 30, ~~effective~~2025 ~~immediately~~is ~~upon~~furnished ~~Mr. Reagan’s departure. Mr. Quigley joined the Company in 2015 and has served~~ as ~~SVP Finance – Global Business Planning since September 2024~~Exhibit 99. He3 ~~previously served as SVP Finance – Global FP&A, Strategic Finance from June 2022~~ to ~~September~~this ~~2024~~report ~~and~~on ~~as VP Finance – FP&A from December 2019 to June 2022~~Form 6-K.

~~The~~On ~~information~~November ~~contained~~4, in2025, ~~this~~the ~~report~~Board onof ~~Form~~Directors ~~6-K~~ of the Company isappointed ~~incorporated~~Adam byQuigley, ~~reference~~current ~~into~~interim ~~the~~Chief ~~Company’s~~Financial ~~Registration~~Officer ~~Statement~~(“CFO”), onto ~~Form~~serve ~~F-3ASR~~as ~~(File~~CFO ~~No.~~on ~~333-289729)~~a ~~and~~permanent ~~related~~basis, ~~prospectus~~effective November 6, ~~and~~2025. ~~into~~Mr. Quigley joined the Company’s ~~Registration~~in ~~Statements~~2015 onand ~~Form~~has ~~S-8~~served ~~(File~~as ~~No.~~interim ~~333-273518~~CFO ~~and~~since NoSeptember 2025. ~~333-286263),~~He ~~filed~~previously ~~with~~served ~~the~~as ~~SEC,~~SVP toFinance be- aGlobal ~~part~~Business ~~thereof~~Planning from ~~the~~September ~~date~~2024 onto ~~which~~September ~~this~~2025, ~~report~~SVP isFinance ~~furnished~~- toGlobal ~~the SEC~~FP&A, Strategic Finance from June 2022 to ~~the~~September ~~extent~~2024 ~~not~~and ~~superseded~~as byVP ~~documents~~Finance or- ~~reports~~FP&A ~~subsequently~~from ~~filed~~December or2019 ~~furnished~~to June 2022.

On November 6, 2025, the Company issued a press release announcing the appointment of Mr. Quigley as the Company’s CFO. A copy of the press release is furnished as Exhibit 99.4 to this report on Form 6-K.

The information contained in this report on Form 6-K of the Company, other than Exhibit 99.3 and Exhibit 99.4, is incorporated by reference into the Company’s Registration Statement on Form F-3ASR (File No. 333-289729) and related prospectus, and into the Company’s Registration Statements on Form S-8 (File No. 333-273518 and No. 333-286263), filed with the SEC, to be a part thereof from the date on which this report is furnished to the SEC, to the extent not superseded by documents or reports subsequently filed or furnished.

EXHIBIT INDEX


Exhibit			Description of Exhibit

99.1			Unaudited Interim Condensed Consolidated Financial Statements as of September 30, 2025
99.2			Management’s Discussion and Analysis of Financial Condition and Results of Operations
99.3			Press Release of SharkNinja, Inc. dated November 6, 2025
99.4			Press Release of SharkNinja, Inc. dated November 6, 2025

SIGNATURE

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, thereunto duly authorized.

SHARKNINJA, INC.

~~SHARKNINJA, INC.~~

By:

/s/ Adam Quigley

~~By:~~

~~/s/ Pedro J. Lopez-Baldrich~~

Date: August 28, 2025

Name: Pedro J. Lopez-Baldrich

Date: November 6, 2025

Name: Adam Quigley

Title: Chief Legal Officer

Title: Chief Financial Officer

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