[Form 4] RAMBUS INC Insider Trading Activity

Rhea-AI Filing Summary

Rambus Inc. executive Brian Wu, EVP and COO, reported a Form 4 transaction reflecting a bona fide gift of company stock. On 11/19/2025, Wu disposed of 300 shares of Rambus common stock as a gift at a reported price of $0.00, meaning he received no compensation for the transfer. Following this transaction, he beneficially owned 137,855 shares in direct ownership. The filing notes explicitly that no compensation was given in relation to the gift.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

FAN XIANZHI SEAN

(Last) (First) (Middle)

C/O RAMBUS, INC.

4453 NORTH FIRST STREET, SUITE 100

(Street)

SAN JOSE CA 95134

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
RAMBUS INC [ RMBS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, COO

3. Date of Earliest Transaction (Month/Day/Year)
11/19/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/19/2025		G(1)		300	D	$0.00	137,855	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. No compensation was given to the Reporting Person in relation to their bona fide gift on November 19, 2025.

	/s/ Brian Wu, by power of attorney	11/20/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Rambus (RMBS) report in this Form 4?

The Form 4 reports that EVP and COO Brian Wu made a bona fide gift of 300 shares of Rambus common stock on 11/19/2025.

Did the Rambus (RMBS) executive receive any compensation for the reported transaction?

No. The filing states that no compensation was given to the reporting person in relation to the bona fide gift on November 19, 2025.

How many Rambus (RMBS) shares does the executive own after the gift?

After the reported gift of 300 shares, EVP and COO Brian Wu beneficially owned 137,855 shares of Rambus common stock in direct ownership.

What transaction code was used in this Rambus (RMBS) Form 4 filing?

The Form 4 lists transaction code "G", which designates a bona fide gift of securities.

Which Rambus (RMBS) officer filed this Form 4 and what is their role?

The reporting person is Brian Wu, who is identified as an officer of Rambus with the title EVP, COO.

Does this Rambus (RMBS) Form 4 involve any derivative securities?

The provided excerpt shows details only in Table I for common stock, and Table II for derivative securities is present but contains no filled-in derivative transactions.