[144] Rambus Inc SEC Filing

Rhea-AI Filing Summary

Rambus Inc. (RMBS) Form 144 reports a proposed sale of 1,075 common shares through Morgan Stanley Smith Barney with an aggregate market value of $83,581.25 and an approximate sale date of 08/13/2025 on NASDAQ. The filing shows these shares were acquired as restricted stock from the issuer on 04/03/2024 and paid for the same day.

The filing also lists a recent sale by Emiko Higashi of 1,111 shares on 08/04/2025 for $83,325.00. With 107,593,820 shares outstanding, the proposed 1,075-share sale represents roughly 0.001% of outstanding shares, indicating this is a routine, small-scale insider sale disclosed under Rule 144.

Positive

• Proposed sale disclosed: 1,075 common shares with aggregate market value of $83,581.25 to be sold on 08/13/2025.
• Acquisition details provided: Shares were acquired as restricted stock from the issuer on 04/03/2024, showing transaction traceability.

Negative

• None.

Insights

Securities Analyst

TL;DR: Small insider sale (1,075 shares) valued at ~$83.6k; immaterial to company capitalization.

The Form 144 shows a proposed sale of 1,075 common shares valued at $83,581.25, acquired as restricted stock from the issuer on 04/03/2024. Given the 107,593,820 shares outstanding disclosed in the filing, the sale equals approximately 0.001% of outstanding shares, suggesting negligible direct impact on market capitalization or liquidity. The transaction is being routed through a major broker, which is typical for Rule 144 dispositions.

Corporate Governance Expert

TL;DR: Filing appears compliant with Rule 144 and includes the required insider representations.

The notice includes the standard representation that the seller does not possess undisclosed material adverse information and references the possibility of a Rule 10b5-1 trading plan. The form identifies the broker (Morgan Stanley Smith Barney LLC) and provides acquisition details (restricted stock, acquired 04/03/2024), meeting disclosure expectations for an insider disposition. The separate reported sale by Emiko Higashi is also listed, demonstrating recent related insider activity.

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	1075	83581.25	107593820	08/13/2025	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	04/03/2024	Restricted Stock	Issuer			1075	04/03/2024	Not Applicable

* 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
EMIKO HIGASHI 4453 North First Street Suite 100 San Jose CA 95134	Common	08/04/2025	1111	83325.00

144: Remarks and Signature

Remarks

Date of Notice

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

What does the RMBS Form 144 report?

The filing reports a proposed sale of 1,075 common shares valued at $83,581.25, to be sold on 08/13/2025 on NASDAQ.

Who is the broker handling the sale in the RMBS filing?

The broker listed is Morgan Stanley Smith Barney LLC, Executive Financial Services, 1 New York Plaza, 8th Floor, New York, NY.

When were the shares to be sold acquired?

The 1,075 shares were acquired as restricted stock from the issuer on 04/03/2024, with payment dated 04/03/2024.

Does the filing show recent related insider sales?

Yes. The filing lists a sale by Emiko Higashi of 1,111 shares on 08/04/2025 for $83,325.00.

How material is the proposed 1,075-share sale to Rambus's capitalization?

The filing shows 107,593,820 shares outstanding; the proposed 1,075-share sale equals roughly 0.001% of outstanding shares, indicating it is immaterial to overall capitalization.