[SCHEDULE 13G/A] Couchbase, Inc. SEC Filing

Rhea-AI Filing Summary

EVR Research LP and EVR Master Fund, LP filed an amendment on Schedule 13G relating to Couchbase, Inc. (ticker: BASE). The filing reports that both reporting persons beneficially own 0 shares of Couchbase common stock, representing 0% of the class, with no sole or shared voting or dispositive power. The filing also states the reporting persons are not acquiring or holding the securities to influence control of the issuer. The document lists the firms' addresses and identifies the Firm as a Delaware limited partnership and EVR Master as a Cayman Islands exempted limited partnership.

Positive

• Clear disclosure of ownership status showing transparency by the reporting persons
• Certification that securities are not held to influence control, reducing governance uncertainty

Negative

• No beneficial ownership reported (0 shares, 0%), so the reporting persons hold no economic interest in the issuer

Insights

Financial Analyst

TL;DR: Filing shows zero ownership by EVR entities; therefore no economic exposure or market influence on BASE.

The Schedule 13G/A is a routine disclosure indicating that EVR Research LP and EVR Master Fund, LP hold no beneficial shares of Couchbase and report 0% ownership with no voting or dispositive power. From a financial viewpoint this filing carries no direct impact on Couchbase's capitalization, voting dynamics, or shareholder base because there is no stake to affect liquidity, block trades, or shareholder votes. The explicit certification that the securities are not held to influence control further confirms a non-activist posture.

Corporate Governance Expert

TL;DR: Governance impact is nil; the reporting parties state they do not hold or seek influence over Couchbase.

For governance analysis, the key takeaway is the absence of any ownership or voting rights by these entities. This filing does not create disclosure-driven governance events such as contested nominations or proposals, nor does it trigger any changes to control thresholds. The signature and certification language conform to standard Schedule 13G/A requirements and formally record that these entities are not participants in control-related transactions regarding the issuer.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Couchbase, Inc.

(Name of Issuer)

Common Stock, par value $0.00001 per share

(Title of Class of Securities)

22207T101

(CUSIP Number)

06/30/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 22207T101

1

Names of Reporting Persons

EVR Research LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0 %

12

Type of Reporting Person (See Instructions)

IA, PN

SCHEDULE 13G

CUSIP No. 22207T101

1

Names of Reporting Persons

EVR Master Fund, LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Couchbase, Inc.
(b)	Address of issuer's principal executive offices: 3155 Olsen Drive San Jose, CA 95117
Item 2.
(a)	Name of person filing: This report on Schedule 13G is being filed by EVR Research LP, a Delaware limited partnership (the "Firm") and EVR Master Fund, LP, a Cayman Islands exempted limited partnership ("EVR Master"), with respect to the shares of common stock, par value $0.00001 per share, of Couchbase, Inc. that were directly held by EVR Master.
(b)	Address or principal business office or, if none, residence: The address for the Firm is: 411 Libbie Avenue, Suite 3, Richmond, VA 23226. The address for EVR Master is: 411 Libbie Avenue, Suite 3, Richmond, VA 23226.
(c)	Citizenship: The Firm is a Delaware limited partnership. EVR Master is a Cayman Islands exempted limited partnership.
(d)	Title of class of securities: Common Stock, par value $0.00001 per share
(e)	CUSIP No.: 22207T101
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: The information required by Item 4(a) is set forth in Row 9 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
(b)	Percent of class: 0%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
	(ii) Shared power to vote or to direct the vote: The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
	(iii) Sole power to dispose or to direct the disposition of: The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
	(iv) Shared power to dispose or to direct the disposition of: The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for each of the Reporting Persons and is incorporated herein by reference.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

EVR Research LP

Signature:	/s/ Derek J. Webb
Name/Title:	Derek J. Webb, Chief Compliance Officer
Date:	08/14/2025

EVR Master Fund, LP

Signature:	/s/ Derek J. Webb
Name/Title:	Derek J. Webb, Chief Compliance Officer
Date:	08/14/2025

FAQ

What does the Schedule 13G/A filed for Couchbase (BASE) state about EVR Research LP's ownership?

The filing states EVR Research LP beneficially owns 0 shares of Couchbase common stock, representing 0% of the class with no voting or dispositive power.

Does EVR Master Fund, LP hold any voting power in Couchbase (BASE)?

No. The filing reports 0 sole and 0 shared voting power for EVR Master Fund, LP.

Are the reporting persons attempting to influence control of Couchbase according to the filing?

No. The certification states the securities were not acquired and are not held for the purpose of changing or influencing control of the issuer.

What are the jurisdictions of formation for the reporting entities?

EVR Research LP is organized in Delaware and EVR Master Fund, LP is organized in the Cayman Islands.

Who signed the Schedule 13G/A for these reporting persons?

The filing is signed by Derek J. Webb, Chief Compliance Officer, on behalf of both EVR Research LP and EVR Master Fund, LP.