RMBS insider files Form 144 to sell 7,500 shares valued at $642,225

Rhea-AI Filing Summary

Rambus Inc. (RMBS) Form 144: An individual filer notified the proposed sale of 7,500 common shares, with an aggregate market value of $642,225.75, aiming to sell on or about 09/11/2025 on NASDAQ. The securities were acquired by exercising options on 11/08/2023 and paid in cash. The filing discloses a prior sale of 7,500 shares on 08/08/2025 that generated gross proceeds of $551,447.25. The filer affirms no undisclosed material adverse information and includes the required attestations for Rule 144 compliance.

Insights

Securities Analyst

TL;DR: Routine Rule 144 notice for an insider sale of 7,500 shares; transaction appears procedural and non-material to cap table.

The filing reports a proposed sale of 7,500 common shares valued at $642,225.75 and a prior sale of the same quantity on 08/08/2025 yielding $551,447.25. The shares were acquired by exercise on 11/08/2023 and paid in cash, indicating gain realization rather than liquidation of a substantial stake. Given the issuer's outstanding shares of 107,593,820, the size represents roughly 0.007% of outstanding shares, suggesting limited market impact. Disclosure and attestations appear to follow Rule 144 requirements.

Corporate Governance Expert

TL;DR: Compliance-focused filing showing insider compliance with sale notification rules and a representation of no undisclosed material information.

The notice includes the standard declaration that the filer is not aware of material non-public information and references potential trading-plan considerations. The filer documents acquisition via exercise and cash payment, plus a recent prior sale, which supports transparency around the insider's trading history. From a governance perspective, the submission satisfies routine disclosure obligations under Rule 144 but does not provide additional context on any trading plan or insider holdings beyond the transactions listed.

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	7500	642225.75	107593820	09/11/2025	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	11/08/2023	Exercised Shares	Issuer			7500	11/08/2023	Cash

* 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
NECIP SAYINER 4453 North First Street Suite 100 San Jose CA 95134	Common	08/08/2025	7500	551447.25

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 shares does the Form 144 filed for RMBS cover?

The notice covers 7,500 common shares of Rambus Inc.

What is the aggregate market value reported for the proposed sale?

The aggregate market value is reported as $642,225.75.

When were the shares acquired and how were they paid for?

The shares were acquired on 11/08/2023 via exercised shares and paid for in cash on that date.

When is the approximate date of the proposed sale and where will it trade?

The approximate date of sale is 09/11/2025 and the sale is expected on NASDAQ.

Was any sale of these securities reported in the past three months?

Yes, a sale of 7,500 shares occurred on 08/08/2025 with gross proceeds of $551,447.25.