Director Victor Peng receives 2,223 RSUs in Rambus (RMBS), vesting 2027

Rhea-AI Filing Summary

Rambus Inc. director Victor Peng reported an acquisition of company equity through a stock award. He received 2,223 restricted stock units (RSUs), each representing the contingent right to receive one share of RMBS common stock. All RSUs vest on April 1, 2027 or the first business day thereafter. Following this grant, Peng directly holds 2,391 shares of Rambus common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider PENG VICTOR

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,223	$0.00	--

Holdings After Transaction: Common Stock — 2,391 shares (Direct)

Footnotes (1)

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Key Figures

RSUs granted: 2,223 units Shares after transaction: 2,391 shares Grant price per RSU: $0.00 per unit +1 more

4 metrics

RSUs granted 2,223 units Restricted stock units awarded on April 1, 2026

Shares after transaction 2,391 shares Direct Rambus common stock holdings following grant

Grant price per RSU $0.00 per unit Equity award, not an open-market purchase

RSU vesting date April 1, 2027 All RSUs vest on this date or first business day thereafter

Key Terms

restricted stock units, RSUs, contingent right, Form 4

4 terms

restricted stock units financial

"The shares are represented by restricted stock units, or RSUs, all of which vest April 1, 2027"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

RSUs financial

"The shares are represented by restricted stock units, or RSUs, all of which vest April 1, 2027"

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

contingent right financial

"Each RSU represents the contingent right to receive one share of RMBS common stock"

Form 4 regulatory

"INSIDER FILING DATA (Form 4): { "issuerName": "RAMBUS INC""

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

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^*

PENG VICTOR

(Last) (First) (Middle)

C/O RAMBUS INC.

4453 N FIRST ST, SUITE 100

(Street)

SAN JOSE CALIFORNIA 95134

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

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

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

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

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	04/01/2026		A		2,223(1)	A	$0	2,391	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. The shares are represented by restricted stock units, or RSUs, all of which vest April 1, 2027 or the first business day thereafter. Each RSU represents the contingent right to receive one share of RMBS common stock.

	/s/ Brian Wu, by power of attorney	04/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Rambus (RMBS) director Victor Peng report?

Victor Peng reported receiving a grant of 2,223 restricted stock units in Rambus common stock. These RSUs are a stock-based award that increases his direct holdings to 2,391 shares once the grant is reflected in his ownership records.

How many Rambus shares does Victor Peng hold after this Form 4 transaction?

After the reported RSU grant, Victor Peng directly holds 2,391 shares of Rambus common stock. This figure includes the impact of the 2,223 restricted stock units awarded, as disclosed in the Form 4 filing for the April 1, 2026 transaction date.

When do Victor Peng’s newly granted Rambus RSUs vest?

All 2,223 restricted stock units granted to Victor Peng vest on April 1, 2027, or the first business day afterward. Vesting means each RSU will entitle him to receive one share of Rambus common stock at that future date, subject to continuing terms.

What does each restricted stock unit (RSU) in the Rambus grant represent?

Each RSU granted to Victor Peng represents a contingent right to receive one share of Rambus common stock. The units do not deliver shares immediately; instead, they convert into shares when they vest on April 1, 2027, or the first business day following that date.

Was Victor Peng’s Rambus RSU award an open-market purchase?

No, the Form 4 identifies the transaction with code A, a grant, award, or other acquisition. The RSUs were awarded at a price of $0.00 per unit rather than bought in the open market, indicating compensation-related equity rather than a market purchase.