[Form 4] Couchbase, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Insider Trading Alert: William Robert Carey, Interim CFO & CAO of Couchbase (BASE), has executed a sale of 1,321 shares of common stock on June 20, 2025, at a price of $25 per share. Following this transaction, Carey retains direct ownership of 92,443 shares.

The transaction was conducted under a pre-established Rule 10b5-1 trading plan, which was adopted by Carey on June 27, 2024. This type of plan provides a structured approach to insider trading that complies with SEC regulations by establishing predetermined trading parameters.

• Transaction Type: Sale of Common Stock
• Execution Method: Rule 10b5-1 Trading Plan
• Total Transaction Value: $33,025
• Ownership Form: Direct

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Carey William Robert

(Last) (First) (Middle)

C/O COUCHBASE, INC.

3155 OLSEN DR., SUITE 150

(Street)

SAN JOSE CA 95117

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Couchbase, Inc. [ BASE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Interim CFO & CAO

3. Date of Earliest Transaction (Month/Day/Year)
06/20/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/20/2025		S		1,321(1)	D	$25	92,443	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on 6/27/2024.

Remarks:

	/s/ Margaret Chow, by Power of Attorney for William R. Carey	06/24/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many shares of BASE stock did William Carey sell on June 20, 2025?

William Carey, Interim CFO & CAO of Couchbase (BASE), sold 1,321 shares of common stock at a price of $25 per share on June 20, 2025.

How many shares of BASE does William Carey own after the June 2025 transaction?

Following the reported transaction, William Carey directly owns 92,443 shares of Couchbase (BASE) common stock.

Was BASE insider William Carey's stock sale part of a 10b5-1 trading plan?

Yes, the sale was executed pursuant to a Rule 10b5-1 trading plan that William Carey adopted on June 27, 2024, approximately one year before the transaction.

What is William Carey's position at BASE?

William Carey serves as the Interim Chief Financial Officer (CFO) and Chief Accounting Officer (CAO) of Couchbase, Inc. (BASE).

When was the Form 4 filed for BASE insider William Carey's stock sale?

The Form 4 was filed on June 28, 2025, and was signed by Margaret Chow (via power of attorney for William R. Carey) on June 24, 2025.