Rambus director sells 5,000 shares under trading plan

Q: What did Rambus (RMBS) director Charles Kissner report in this Form 4?

Charles Kissner, a director of Rambus Inc., reported the sale of 5,000 shares of Rambus Common Stock at $100.92 per share on August 7, 2026, executed through Kissner and Associates LLC.

Q: How many Rambus (RMBS) shares did Charles Kissner sell and at what price?

Kissner’s associated LLC sold 5,000 shares of Rambus Common Stock at an exact price of $100.92 per share. This transaction was categorized as a sale in an open market or private transaction.

Q: Was the Rambus (RMBS) insider sale by Charles Kissner under a Rule 10b5-1 plan?

Yes. The sale of 5,000 shares on August 7, 2026 was effected under a Rule 10b5-1 trading plan that was adopted on May 8, 2026, indicating the trades were pre-arranged.

Q: How many Rambus (RMBS) shares does Charles Kissner report after this transaction?

After the sale, Kissner’s associated LLC held 13,747 shares indirectly. Separately, he reported 40,545 shares as directly held Common Stock, according to the holdings line in the filing.

Q: Are Charles Kissner’s Rambus (RMBS) shares held directly or indirectly?

He reports both. 13,747 shares are held indirectly through Kissner and Associates LLC, where he is the owner, while another 40,545 shares are reported as held directly in his own name.

Rambus Inc. director Charles Kissner, through Kissner and Associates LLC, sold 5,000 shares of Common Stock of Rambus on August 7, 2026 at an exact price of $100.92 per share.

Accepted by SEC EDGAR 08/10/2026 - 07:58 PM EDT

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Rhea-AI Filing Summary

Rambus Inc. director Charles Kissner, through Kissner and Associates LLC, sold 5,000 shares of Common Stock of Rambus on August 7, 2026 at an exact price of $100.92 per share. The sale was effected under a Rule 10b5-1 trading plan adopted on May 8, 2026. Following this transaction, the LLC held 13,747 shares indirectly attributed to Kissner, and he also reported 40,545 shares held directly.

Insider Trade Summary 10b5-1

Net Seller: 5,000 shares

Net Sell 1 txn

Insider KISSNER CHARLES

Role Director

Sold 5,000 shs ($505K)

Share of Position Sold 26.7%

Type	Security	Shares	Price	Value
Sale	Common Stock ^{F1, F2, F3}	5,000	$100.92	$505K
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 13,747 shares (Indirect, See Footnote); Common Stock — 40,545 shares (Direct)

Holdings Before and After: Common Stock, 18,747 to 13,747 shares (Indirect, See Footnote)

Footnotes (3)

F1. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on May 8, 2026.
F2. All shares sold at an exact price of $100.92.
F3. The shares are held directly by Kissner and Associates LLC for which the Reporting Person serves as the owner of the company.

Key Figures

Shares sold: 5,000 shares Sale price: $100.92 per share Indirect holdings after sale: 13,747 shares +2 more

5 metrics

Shares sold 5,000 shares Common Stock sold on August 7, 2026 by Kissner and Associates LLC

Sale price $100.92 per share Exact price for all shares sold in the August 7, 2026 transaction

Indirect holdings after sale 13,747 shares Common Stock held indirectly via Kissner and Associates LLC following the sale

Direct holdings reported 40,545 shares Common Stock reported as directly held by Charles Kissner after the reported transactions

Net shares sold 5,000 shares Net sell volume across reported non-derivative transactions in this filing

Key Terms

Rule 10b5-1 trading plan, indirect ownership, open market or private transaction

3 terms

Rule 10b5-1 trading plan regulatory

"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

indirect ownership financial

"The shares are held directly by Kissner and Associates LLC for which the Reporting Person serves as the owner"

open market or private transaction financial

"Transaction code description: Sale in open market or private transaction"

FAQ

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

What did Rambus (RMBS) director Charles Kissner report in this Form 4?

Charles Kissner, a director of Rambus Inc., reported the sale of 5,000 shares of Rambus Common Stock at $100.92 per share on August 7, 2026, executed through Kissner and Associates LLC.

How many Rambus (RMBS) shares did Charles Kissner sell and at what price?

Kissner’s associated LLC sold 5,000 shares of Rambus Common Stock at an exact price of $100.92 per share. This transaction was categorized as a sale in an open market or private transaction.

Was the Rambus (RMBS) insider sale by Charles Kissner under a Rule 10b5-1 plan?

Yes. The sale of 5,000 shares on August 7, 2026 was effected under a Rule 10b5-1 trading plan that was adopted on May 8, 2026, indicating the trades were pre-arranged.

How many Rambus (RMBS) shares does Charles Kissner report after this transaction?

After the sale, Kissner’s associated LLC held 13,747 shares indirectly. Separately, he reported 40,545 shares as directly held Common Stock, according to the holdings line in the filing.

Are Charles Kissner’s Rambus (RMBS) shares held directly or indirectly?

He reports both. 13,747 shares are held indirectly through Kissner and Associates LLC, where he is the owner, while another 40,545 shares are reported as held directly in his own name.

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

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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^*

KISSNER CHARLES

(Last)

(First)

(Middle)

C/O RAMBUS INC.

4453 NORTH FIRST STREET, 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)
08/07/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/07/2026		S⁽¹⁾		5,000	D	$100.92⁽²⁾	13,747	I	See Footnote⁽³⁾
Common Stock								40,545	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on May 8, 2026.

2. All shares sold at an exact price of $100.92.

3. The shares are held directly by Kissner and Associates LLC for which the Reporting Person serves as the owner of the company.

	/s/ Brian Wu, by power of attorney	08/10/2026
	** 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)

Source: View Original Filing on SEC EDGAR