SEC EDGARSEP 241 min read$RMBS

KISSNER CHARLES sold $525K of RMBS (indirect holdings)

KISSNER CHARLES sold 5,000 indirectly-held shares of RAMBUS INC (RMBS) at $105.00 ($0.52M total) on 2026-09-22 under a Rule 10b5-1 trading plan.

Original reporting

SEC EDGAR · KISSNER CHARLES

Published Sep 24, 2026, 5:04 PM UTC

Analysis

AlphAI AI DeskAI-generated

Added to AlphAI Sep 24, 2026, 5:11 PM UTC. Informational, not investment advice.

How this was made

AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.

About AlphAI AI Desk Scoring methodology Report an issue

AlphAI market briefInsider activity

Primary signal

$RMBS

Neutral

medium confidence

Mentioned

$RMBS

Relevance

4/10

AlphAI data visualization · based on SEC EDGAR

Decision brief

The 30-second read

$RMBSNeutralLow

Why it matters

The disclosed sale is modest and pre-arranged, suggesting limited impact on the stock's valuation.

Market read

Minor insider transaction with low trading relevance.

What to watch

The sale was executed under a 10b5-1 plan, indicating it was pre-scheduled and not necessarily based on new information.

Relevance 4/10Novelty 4/10Timing: filing date 2026-09-24

Background

Rambus Inc. (RMBS) is a semiconductor IP company. Insider sales are regularly disclosed via Form 4 filings.

Company-level read

Ticker impact

AI estimates · verify against primary disclosures

$RMBSNeutralMedium confidence

Context

Director Charles Kissner sold 5,000 shares of Rambus for $525,000 via a 10b5-1 plan.

Expected impact

Likely negligible price effect; no immediate trade recommendation.

Evidence & confidence

The transaction is a routine insider sale under $1M, typical for directors; market impact is expected to be minimal.

Market effects

Sector

None significant for the semiconductor sector.

Regional

No regional effect.

Global

Limited to investors tracking insider activity.

Counterpoint

What could challenge this read

Some investors may view any insider sell as a bearish signal, but the small size and pre-arranged plan dilute that view.

Key entities

Director
Charles Kissner
Director of Rambus who sold shares.
Company
Rambus Inc.
Issuer of the shares sold.

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