Form 4: Rambus Director Sells Shares Under 10b5-1 Plan

Rambus Inc. Director Eric B. Stang reported sales of common stock totaling 9,000 shares in November 2025 under a pre-arranged 10b5-1 trading plan.

Summary

• Eric B. Stang, a Director of Rambus Inc. (RMBS), reported two separate sales of common stock.
• On November 7, 2025, Stang sold 5,000 shares at a weighted average price of $102.352 per share, with prices ranging from $102.343 to $102.455.
• On November 10, 2025, Stang sold an additional 4,000 shares at an exact price of $111.785 per share.
• Both transactions were conducted indirectly through the Stang Family Trust dated September 2, 2004, for which Stang serves as a trustee.
• Following these transactions, Stang beneficially owns 20,394 indirect shares through the trust and 3,824 direct shares, totaling 24,218 shares.

Sentiment

Score: 5

Explanation: The sales were conducted under a Rule 10b5-1 plan, indicating pre-scheduled transactions rather than opportunistic selling, which typically results in a neutral sentiment.

Positives

• The transactions were made pursuant to a Rule 10b5-1(c) plan, indicating pre-scheduled sales and reducing the perception of opportunistic trading.

Negatives

• Director sales, even under a 10b5-1 plan, can sometimes be interpreted by some investors as a lack of confidence, though this is often an oversimplification for planned sales.

Future Outlook

NA

Industry Context

This filing reports a routine insider stock transaction and does not provide information related to broader industry trends or competitive landscape.

Related Party Transactions

• Eric B. Stang, a Director of Rambus Inc., sold 9,000 shares of common stock indirectly through the Stang Family Trust.

Stakeholder Impact

• Shareholders: The sale represents a reduction in a director's indirect holdings, which is a routine event for pre-planned sales and typically has minimal direct impact on other shareholders.

Key Dates

Keywords

Rambus, RMBS, Form 4, Insider Transaction, Stock Sale, Director, 10b5-1 Plan