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 17, 2025

Couchbase, Inc.

(Exact name of registrant as specified in charter)

Delaware	001-40601	26-3576987
(State or other jurisdiction of Incorporation or organization)	(Commission File Number)	(I.R.S. Employer Identification No.)

3155 Olsen Drive, San Jose, California 95117

(Address of principal executive offices, including zip code)

(650) 417-7500

(Registrant’s telephone number, including area code)

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, par value $0.00001 per share	BASE	The Nasdaq Stock Market LLC (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 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

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 8.01 Other Events.

Haveli Investments, L.P. (“Haveli”) and Couchbase, Inc. (“Couchbase”) announced today that the closing of the acquisition of Couchbase by affiliates of Haveli will occur on September 24, 2025. The consummation of the transaction remains subject to the delivery of certain customary closing items by the parties as set forth in the merger agreement.

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, hereunto duly authorized.

	COUCHBASE, INC.
Date: September 17, 2025	By:	/s/ Margaret Chow

Name:	Margaret Chow
Title:	SVP, Chief Legal Officer and Corporate Secretary