Desmond Lynch - 15 Sep 2025 Form 4 Insider Report for RAMBUS INC (RMBS)

Role
SVP, CFO
Signature
/s/ Brian Wu, by power of attorney
Issuer symbol
RMBS
Transactions as of
15 Sep 2025
Net transactions value
-$832,099
Form type
4
Filing time
16 Sep 2025, 17:46:31 UTC
Previous filing
03 Sep 2025
Next filing
06 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Lynch Desmond SVP, CFO C/O RAMBUS INC, 4453 N. FIRST ST, #100, SAN JOSE /s/ Brian Wu, by power of attorney 16 Sep 2025 0001941085

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RMBS Common Stock Sale $832,099 -9,074 -12% $91.70 64,430 15 Sep 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

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).

Explanation of Responses:

Id Content
F1 The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on June 13, 2025.
F2 The price reported in Column 4 is a weighted average price. These shares were sold in mulitple transactions at prices ranging from $88.125 to $94.50, inclusive.