Form 4: Rambus CEO Luc Seraphin Reports Stock Transactions

Rambus CEO Luc Seraphin reports acquisition and disposal of company stock, including shares withheld for tax liability and sales under a 10b5-1 trading plan.

Summary

• On April 1, 2025, Luc Seraphin, the President and CEO of Rambus Inc., reported transactions involving Rambus common stock.
• Seraphin acquired 55,077 shares of common stock through the vesting of restricted stock units (RSUs) at a price of $0.
• He disposed of 5,164 shares to cover tax liabilities related to the RSU vesting at a price of $52.29 per share.
• Additionally, Seraphin sold 10,000 shares at a weighted average price of $50.8815, with individual sales ranging from $50.175 to $51.41.
• Following these transactions, Seraphin directly owns 346,844 shares of Rambus common stock.
• The sale of 10,000 shares was executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 13, 2024.

Sentiment

Score: 5

Explanation: Neutral sentiment as the document simply reports stock transactions by an executive, which is a routine occurrence.

Future Outlook

The RSUs vest in four equal annual installments beginning on April 1, 2026, or the first business trading day thereafter, indicating future potential stock acquisitions by the reporting person.

Industry Context

This filing is a routine disclosure of stock transactions by a company executive, which is common in publicly traded companies. It provides transparency into the executive's holdings and trading activities.

Stakeholder Impact

• The transactions may have a minor impact on shareholders due to the change in the CEO's holdings, but the impact is likely minimal given the relatively small number of shares involved.

Key Dates

Keywords

Rambus, RMBS, Luc Seraphin, Stock Transactions, Form 4, RSU, Rule 10b5-1, Insider Trading