[144] Rambus Inc SEC Filing

Rhea-AI Filing Summary

Form 144 notice for Rambus Inc. (RMBS): The filing notifies a proposed sale of 2,261 restricted common shares through Morgan Stanley Smith Barney LLC on or about 08/29/2025. The aggregate market value of the shares at filing is $177,994.96, with 107,593,820 shares outstanding. The shares were acquired as restricted stock from the issuer on 05/02/2023 and payment was recorded on that date. The filer reports no securities sold in the past three months and affirms no undisclosed material adverse information. The notice is a routine disclosure of an insider's planned sale under Rule 144.

Positive

• Compliance disclosure completed with required Rule 144 details including broker, share count, and acquisition provenance
• Seller attests they do not possess undisclosed material adverse information about the issuer

Negative

• None.

Insights

Securities Analyst

TL;DR: Routine insider sale notice of 2,261 restricted shares, modest in size relative to the outstanding share count.

The Form 144 documents a proposed sale of 2,261 restricted common shares with an aggregate market value of $177,994.96, to be executed through Morgan Stanley Smith Barney LLC around 08/29/2025. The shares were originally acquired as restricted stock from the issuer on 05/02/2023. The filing indicates no sales in the prior three months and includes the standard representation that no material nonpublic information is known to the seller. Based solely on the filing, this appears to be a routine compliance filing required to sell restricted securities; the filing itself provides no operational or financial performance information.

Corporate Governance Expert

TL;DR: Disclosure aligns with Rule 144 requirements; provides chain-of-acquisition detail and broker execution plan.

The notice specifies the nature of acquisition as restricted stock from the issuer and records the acquisition and payment date as 05/02/2023. It names Morgan Stanley Smith Barney LLC as the broker and gives an approximate sale date. The filer also signs the standard attestation about material information. There are no statements here about any trading plan adoption or 10b5-1 instructions, and no recent sales to aggregate. From a governance perspective, the filing fulfills required transparency for an insider sale but contains no additional governance signals.

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	2261	177994.96	107593820	08/29/2025	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	05/02/2023	Restricted Stock	Issuer			2261	05/02/2023	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

Nothing to Report

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 disclose?

The filing discloses a proposed sale of 2,261 restricted common shares through Morgan Stanley Smith Barney LLC with aggregate market value $177,994.96 and approximate sale date 08/29/2025.

When were the shares acquired that are being sold under this Form 144?

The shares were acquired as restricted stock from the issuer on 05/02/2023, with payment recorded the same date.

How many Rambus (RMBS) shares are outstanding according to the filing?

The filing reports 107,593,820 shares outstanding.

Did the filer sell any RMBS securities in the past three months?

No. The filing explicitly states "Nothing to Report" under securities sold during the past three months.

Which broker is handling the proposed sale in this Form 144?

Morgan Stanley Smith Barney LLC is listed as the broker and execution address for the proposed sale.