Form 4: Calix CEO Weening Buys Shares via ESPP

Calix Inc. President and CEO Michael Weening acquired 305 shares of common stock through the company's Employee Stock Purchase Plan at a price of $33.6855 per share.

Summary

• Michael Weening, President & CEO and Director of Calix, Inc. (CALX), acquired 305 shares of common stock.
• The acquisition occurred on August 14, 2025, at a price of $33.6855 per share.
• This purchase was made through the Calix, Inc. Amended and Restated Employee Stock Purchase Plan (ESPP) for the purchase period of February 15, 2025, through August 14, 2025.
• The shares were purchased based on 85% of the closing price of the issuer's common stock on February 18, 2025, which was the first trading day of the purchase period.
• Following this transaction, Michael Weening directly beneficially owns 16,117 shares of Calix common stock.
• The transaction is exempt under SEC Rule 16b-3(c).

Sentiment

Score: 7

Explanation: The acquisition of shares by a key executive, Michael Weening, through the company's ESPP indicates management confidence and aligns their interests with shareholders, although the number of shares purchased is relatively small.

Positives

• An insider purchase by a key executive (President & CEO, Director) indicates confidence in the company's future outlook.
• Participation in the Employee Stock Purchase Plan (ESPP) aligns management's financial interests directly with those of shareholders.
• The shares were acquired at a discounted price of $33.6855, representing 85% of the closing price on the first trading day of the purchase period, which is a benefit to the executive.

Negatives

• The number of shares purchased (305) is relatively small compared to the executive's total beneficial ownership (16,117 shares), limiting the perceived strength of the insider signal.

Stakeholder Impact

• Shareholders: Potentially positive signal of management confidence in the company's future performance.
• Employees: Demonstrates executive participation in employee benefit plans, reinforcing internal alignment.

Key Dates

Recommendation

The purchase by the CEO, Michael Weening, through the ESPP is a positive signal of insider confidence and aligns management interests with shareholders. However, the relatively small number of shares acquired (305) does not significantly alter the investment thesis, suggesting a 'hold' recommendation for existing investors, while new investors should consider broader company fundamentals.

Keywords

Calix, CALX, Michael Weening, Form 4, SEC filing, insider trading, stock purchase, ESPP, employee stock purchase plan, CEO, director