Form 4: Annexon Director Buys Shares Under 10b5-1 Plan

Annexon Inc. Director William H. Carson acquired 4,115 shares of common stock at a weighted average price of $3.05 per share under a pre-arranged trading plan.

Summary

• Director William H. Carson of Annexon, Inc. (ANNX) acquired 4,115 shares of common stock.
• The transaction occurred on September 30, 2025.
• The shares were purchased at a weighted average price of $3.05 per share.
• This acquisition was made pursuant to a Rule 10b5-1 trading plan adopted on March 17, 2025.
• Following this transaction, William H. Carson beneficially owns 42,060 shares of Annexon common stock.

Sentiment

Score: 7

Explanation: A director's acquisition of company stock, especially under a pre-arranged 10b5-1 plan, typically signals confidence in the company's future performance and valuation.

Positives

• A director increasing their stake in the company can signal confidence in its future prospects.
• The transaction was executed under a Rule 10b5-1 plan, indicating a pre-planned, non-discretionary purchase.

Future Outlook

NA

Industry Context

NA

Related Party Transactions

• Director William H. Carson acquired 4,115 shares of Annexon, Inc. common stock.

Stakeholder Impact

• Shareholders may view the director's purchase as a positive signal of confidence in the company's future, potentially influencing investor sentiment.

Key Dates

Recommendation

The director's purchase of shares indicates confidence in the company's prospects. However, a single insider transaction, even from a director, typically serves as a positive signal rather than a standalone reason for a strong buy or sell recommendation, warranting a 'hold' or 'monitor' stance for seasoned investors.

Keywords

Annexon Inc., ANNX, Insider Trading, Form 4, Director Purchase, William H. Carson, 10b5-1 Plan, Common Stock Acquisition