Form 4: Silvaco CEO Buys 13,100 Shares

Silvaco Group CEO Walden C. Rhines acquired 13,100 shares of common stock at an average price of $4.0077 per share on December 9, 2025.

Summary

• Walden C. Rhines, the Chief Executive Officer and a Director of Silvaco Group, Inc. (SVCO), purchased 13,100 shares of the company's common stock.
• The transaction occurred on December 9, 2025, at a weighted average price of $4.0077 per share.
• The purchase price ranged from $4.00 to $4.05 per share.
• Following this transaction, Mr. Rhines beneficially owns a total of 105,918 shares of Silvaco Group, Inc. common stock.
• The transaction was made pursuant to a contract, instruction, or written plan for the purchase of equity securities, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Sentiment

Score: 8

Explanation: The sentiment is highly positive due to significant insider buying by the CEO, indicating strong confidence in the company's future. The use of a 10b5-1 plan further reinforces a deliberate, long-term investment perspective.

Positives

• The Chief Executive Officer's purchase of 13,100 shares demonstrates strong insider confidence in Silvaco Group, Inc.'s future performance and valuation.
• The transaction was executed under a Rule 10b5-1(c) plan, which often indicates a pre-planned, long-term investment strategy rather than opportunistic trading.

Future Outlook

This filing does not contain specific forward-looking statements or guidance regarding the company's financial performance or strategic direction, beyond the implication of management's confidence.

Management Comments

• Chief Executive Officer Walden C. Rhines's purchase of additional shares signals strong confidence in the company's future prospects and intrinsic value.

Industry Context

Insider buying, particularly by a CEO, is generally viewed as a positive signal across all industries, suggesting that management believes the company's stock is undervalued or expects positive developments.

Corporate Governance

Stakeholder Impact

• Shareholders: The CEO's purchase may instill greater confidence among existing and potential shareholders, potentially leading to increased investor interest and a positive impact on stock price.
• Employees: A strong signal of management confidence can positively impact employee morale and alignment with company goals.

Key Dates

Recommendation

The Chief Executive Officer's significant purchase of 13,100 shares at market prices is a strong signal of confidence in Silvaco Group, Inc.'s future prospects. Insider buying, especially from top management, often suggests that those with the most intimate knowledge of the company believe the stock is undervalued or anticipate positive developments. This action, coupled with the use of a 10b5-1 plan, indicates a deliberate, long-term investment decision, making the stock a compelling 'buy' for investors seeking to align with management's conviction.

Keywords

Silvaco Group, SVCO, Insider Buying, CEO Stock Purchase, Walden C. Rhines, Form 4, Equity Acquisition, 10b5-1 Plan