RMBS Form 144: Proposed sale of up to 5,000 shares

RMBS submitted a Form 144 reporting proposed sales of Common Stock.

Accepted by SEC EDGAR 06/01/2026 - 04:11 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

RMBS submitted a Form 144 reporting proposed sales of Common Stock. The filing lists 5,000 shares with an aggregate value of $730,000.00, and two restricted stock vesting entries of 2,972 and 2,028 shares dated 04/01/2025 and 10/01/2013. The method is listed as Cash.

Insights

Securities Compliance Analyst

Routine Form 144 notice of proposed insider sales; data are transactional disclosures, not completed trades.

Form 144 is a regulatory notice that a person intends to sell restricted or control securities under Rule 144. The filing here lists 5,000 shares and two vesting-related entries of 2,972 and 2,028 shares, with $730,000.00 shown.

Timing and completion of any sale are not reported; subsequent filings would show executed transactions. Cash proceeds/settlement details beyond the listed aggregate value are not provided in the excerpt.

Key Figures

Proposed shares listed: 5,000 shares Aggregate value shown: $730,000.00 Restricted stock vesting - entry 1: 2,972 shares +2 more

5 metrics

Proposed shares listed 5,000 shares Form 144 summary line

Aggregate value shown $730,000.00 Associated with the 5,000-share entry

Restricted stock vesting - entry 1 2,972 shares Vesting date <date>04/01/2025</date>

Restricted stock vesting - entry 2 2,028 shares Vesting date <date>10/01/2013</date>

Listed reference number 108136967 Identifier shown in filing excerpt

Key Terms

Form 144, restricted stock vesting, Issuer

3 terms

Form 144 regulatory

"submitted a Form 144 reporting proposed sales"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

restricted stock vesting financial

"Restricted stock vesting under a registered plan"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Issuer regulatory

"Restricted stock vesting under a registered plan | Issuer"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does RMBS's Form 144 report?

It reports proposed sales of Common Stock, including 5,000 shares and two vesting entries. The filing lists an aggregate value of $730,000.00 and shows the sale method as Cash with dates 04/01/2025 and 10/01/2013.

Does Form 144 confirm the shares were sold for RMBS?

No, Form 144 notifies intent to sell, not completion. The filing lists proposed quantities of 5,000, 2,972, and 2,028 shares. Actual sale execution would appear in later transaction reports if and when the sales occur.

What do the listed restricted stock vesting entries mean for RMBS?

They show vesting events tied to restricted shares dated 04/01/2025 and 10/01/2013. The entries list 2,972 and 2,028 shares and indicate those securities are part of the proposed sale disclosure.

Does the Form 144 show who will receive proceeds for RMBS sales?

The excerpt lists the sale method as Cash but does not specify the payee. The filing shows an aggregate value of $730,000.00 but does not identify recipient parties in the provided text.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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	0001234045
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	RAMBUS INC.
SEC File Number	000-22339
Address of Issuer	4453 North First Street Suite 100 San Jose CALIFORNIA 95134
Phone	(408) 462-8000
Name of Person for Whose Account the Securities are To Be Sold	STANG FAMILY TRUST
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	Affiliate

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	5000	730000.00	108136967	06/01/2026	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	04/01/2025	Restricted stock vesting under a registered plan	Issuer			2972	04/01/2025	Cash
Common	10/01/2013	Restricted stock vesting under a registered plan	Issuer			2028	10/01/2013	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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	06/01/2026
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	/s/ Eric B Stang, Trustee
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)