UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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):

September 11, 2025

F5, Inc.

(Exact name of registrant as specified in its charter)

Washington

000-26041

91-1714307

(State or other jurisdiction

(Commission

(IRS Employer

of incorporation)

File Number)

Identification No.)

801 5th Avenue

Seattle

98104

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code (206) 272-5555

Not Applicable

Former name or former address, if changed since last report

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:

☐ 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))

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, no par value	FFIV	NASDAQ Global Select Market

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


Item 7.01			Regulation FD Disclosure

On September 11, 2025, F5, Inc. (“F5”) issued a press release announcing the entry into an acquisition arrangement with Calypso AI Corp, a Delaware corporation (“Calypso AI”), pursuant to which, subject to the terms and conditions thereof, Calypso AI will become a direct, wholly owned subsidiary of F5. A copy of this press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K (the “Report”) and incorporated by reference herein. 

The information contained in Item 7.01 of this Report, including Exhibit 99.1, shall not be incorporated by reference into any filing of the registrant, whether made before, on or after the date hereof, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference to such filing. The information contained in Item 7.01 of this Report, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section.


Item 9.01			Financial Statements and Exhibits

(d) Exhibits:


99.1						Press Release, dated September 1 1 , 2025.
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.

F5, INC.
(Registrant)

Date: September 11, 2025

By:

/s/ François Locoh-Donou

François Locoh-Donou

President and Chief Executive Officer

F5, INC. 8-K