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

Penumbra Inc. Director Thomas Wilder sold 186 shares of common stock for $253.93 per share, executed under a pre-arranged 10b5-1 trading plan.

Summary

• Thomas Wilder, a Director of Penumbra Inc. (PEN), reported a sale of common stock.
• The transaction involved 186 shares of Penumbra common stock.
• The shares were sold at a price of $253.93 per share.
• The sale was executed on October 1, 2025.
• This transaction was made pursuant to a Rule 10b5-1 trading plan, indicating a pre-scheduled sale.
• Following the transaction, Thomas Wilder directly beneficially owns 186 shares, a portion of which is subject to vesting.
• Additionally, 4,506 shares are indirectly beneficially owned by the Thomas and Catharine Wilder Family Trust dated March 31, 2006.

Sentiment

Score: 5

Explanation: The filing reports a routine insider sale executed under a Rule 10b5-1 trading plan, which is generally considered neutral as it indicates a pre-scheduled transaction rather than a reaction to new information. The transaction amount is relatively small compared to the company's market capitalization.

Positives

• The sale was conducted under a Rule 10b5-1 trading plan, indicating a pre-scheduled transaction rather than a reaction to immediate market conditions.

Negatives

• Insider selling, even under a 10b5-1 plan, can sometimes be perceived negatively by investors, though the amount in this instance is small.

Future Outlook

This filing does not contain forward-looking statements or guidance.

Industry Context

This filing is specific to an individual insider transaction and does not provide broader industry context.

Related Party Transactions

• The filing notes that 4,506 shares are indirectly held by the Thomas and Catharine Wilder Family Trust dated March 31, 2006, which is a related party. However, the reported transaction is a direct sale by Thomas Wilder, not a transaction involving the trust.

Stakeholder Impact

• Shareholders: May observe a minor insider sale, which could be interpreted in various ways, though the 10b5-1 plan mitigates immediate concerns. The small volume is unlikely to significantly impact perception.
• Employees, Customers, Suppliers, Creditors: No direct impact is indicated by this filing.

Key Dates

Keywords

Penumbra Inc., PEN, Thomas Wilder, Insider Trading, Form 4, SEC Filing, Stock Sale, 10b5-1 Plan, Director, Common Stock