Insider trade

Director sold ~$525K of RMBS shares in the open market

Traded Sep 22, 2026 · Filed Sep 24, 2026

RambusRMBS

~$525K
Reported value · 5,000 sh @ $105.00: 8,747
Holds after · shares reported: +4.8%
stock since the trade · S&P 500 +0.2%, $105.24 → $110.30 on Oct 5

Why it stands out

A board member of Rambus sold $525K of Rambus shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Sep 22, 2026
Reporting period: Not applicable
Filed with the SEC: Sep 24, 2026

DirectorIndirect holding$500K–$1MPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$525,000

Shares × reported transaction price

Timing vs results

57 days after results of Jul 27, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $105.24 on Sep 22, 2026, 32% above its 52-week low and 38% below its high, after a 10% rise over the previous 30 trading days

52-week range $79.73 (Mar 30, 2026) to $170.66 (Jun 3, 2026), 28% of the way up, from 242 adjusted closes. 30 trading days earlier: $95.89 on Aug 10, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+6.5%	−0.2%	+6.7%

Past results only. Not a forecast.

Source receipt

Record ID: 0001193125-26-400762
Filed / recorded: Sep 24, 2026, 9:04 PM UTC
Added to OQRO: Oct 6, 2026, 8:46 PM UTC
Parser: form4-xml-v2
Data quality: Verified: identifiers matched exactly
Issuer: RAMBUS INC
Issuer CIK: 917273
Ticker: RMBS
Reporting person: Charles Kissner
Relationship: Director
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Sep 22, 2026
Transaction code: S
Shares / units: 5,000
Price per share: $105.00
Acquired / disposed: Disposed (D)
Shares owned after: 8,747
Ownership form: Indirect — See Footnote
Amendment: No

Footnotes from the filing

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on May 8, 2026.
All shares sold at an exact price of $105.00.
The shares are held directly by Kissner and Associates LLC for which the Reporting Person serves as the owner of the company.

Around the same time

Director sold ~$555K of Rambus

Scheduled in advance2d ago

Director sold ~$505K of Rambus

Scheduled in advance8w ago