Charles Kissner - 07 Aug 2026 Form 4 Insider Report for RAMBUS INC (RMBS)

Reporting relationship: Director
Issuer ticker: RMBS
Reported as of: 07 Aug 2026
Net transaction value: -$504,600
SEC form: 4
Accepted by SEC: 10 Aug 2026, 19:58:49 UTC
Prior SEC filing: 03 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Brian Wu, by power of attorney

Key filing fact

Charles Kissner filed Form 4 for RAMBUS INC (RMBS) on 10 Aug 2026.

Key facts

This page summarizes Charles Kissner's Form 4 filing for RAMBUS INC (RMBS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 10 Aug 2026, 19:58.

Change

Previous filing in this sequence was filed on 03 Apr 2026.
Current net transaction value: -$504,600.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001188095 Primary reporting owner

KISSNER CHARLES

Relationship: Director
Address: C/O RAMBUS INC., 4453 NORTH FIRST STREET, SUITE 100, SAN JOSE
Signature: /s/ Brian Wu, by power of attorney
Signature date: 10 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RMBS transaction

Common Stock

Sale

Transaction value: $504,600
Shares: -5,000
Change %: -27%
Price: $100.92
Shares after: 13,747
Date: 07 Aug 2026
Ownership: See Footnote
Footnotes: F1, F2, F3

RMBS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 40,545
Date: 07 Aug 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

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

Footnote F2

All shares sold at an exact price of $100.92.

Footnote F3

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