BASE Form 144: Huw Owen Plans Additional Share Sale After 39k Sold

Rhea-AI Filing Summary

Couchbase, Inc. (BASE) has filed a Form 144 indicating that 10,716 common shares (approximate market value $202,853.88) may be sold on or after 20 June 2025 through Morgan Stanley Smith Barney on NASDAQ. The filing lists 54,084,446 common shares outstanding, so the proposed sale represents roughly 0.02 % of shares O/S.

The seller—identified in the historical sales table as Huw Owen—has already sold 39,228 shares over the prior three months for gross proceeds of $689,188.29, including a 10b5-1 plan transaction. The current notice covers additional disposition of restricted stock units acquired on 15 June 2022.

While the absolute dollar amount is modest relative to Couchbase’s market capitalization, continued insider selling can signal management sentiment and may draw investor attention to share-price direction or upcoming lock-up expirations. The presence of a 10b5-1 plan and the small percentage of outstanding shares provide context that limits the likely market impact.

Positive

• Compliance transparency: Sales are disclosed via Form 144 and include a 10b5-1 plan, indicating adherence to insider-trading rules.
• Minimal dilution risk: 10,716 shares represent only 0.02 % of the 54.1 million shares outstanding.

Negative

• Continued insider selling: Total of 49,944 shares planned/sold in three months may raise concerns about insider sentiment.
• Potential perception risk: Investors might view clustered insider sales ahead of key dates as a bearish signal, even if dollar amounts are small.

Insights

Financial Analyst

TL;DR – Small insider sale; minimal dilution; sentiment mildly negative.

The Form 144 covers only 10,716 BASE shares (<0.1 % of float) but follows 39 k shares already sold by Huw Owen within three months. Aggregate insider cash-outs near $0.9 million are unlikely to move the stock mechanically, yet persistent selling—despite a 10b5-1 plan—can be interpreted as tepid insider confidence, especially if sales cluster around earnings or guidance events. From a liquidity standpoint the sale is immaterial, and there is no indication of undisclosed adverse information. Overall impact is modest, leaning neutral-to-slightly negative.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	10716	202853.88	54084446	06/20/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/15/2022	Restricted Stock Units	Issuer			10716	06/15/2022	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
HUW OWEN 3155 Olsen Drive San Jose CA 95117	Common	06/16/2025	23290	443341.45
10b5-1 Sales Plan for HUW OWEN 3155 Olsen Drive San Jose CA 95117	Common	03/28/2025	15938	245846.84

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many Couchbase (BASE) shares are being registered for sale in this Form 144?

The filing covers 10,716 common shares with an estimated market value of $202,853.88.

Who is the insider selling Couchbase stock?

The past-sales table identifies Huw Owen as the seller; he is also the account holder for the current notice.

What percentage of BASE shares does the sale represent?

Approximately 0.02 % of the 54,084,446 shares outstanding.

Were there recent insider sales prior to this notice?

Yes. 39,228 shares were sold between 28 Mar 2025 and 16 Jun 2025 for total proceeds of roughly $689,188.

Is the sale under a Rule 10b5-1 trading plan?

Prior sales included a 10b5-1 plan; the current notice does not explicitly state plan reliance but discloses the required adoption date field.