Form 4: Duolingo Chief Engineering Officer Exercises Options

Duolingo's Chief Engineering Officer, Natalie Glance, exercised stock options to acquire 9,500 shares of Class A Common Stock at $5 per share.

Summary

• Natalie Glance, Duolingo's Chief Engineering Officer, exercised 9,500 stock options on December 5, 2025.
• The options were exercised at a price of $5 per share, resulting in the acquisition of 9,500 shares of Class A Common Stock.
• Following this transaction, Ms. Glance directly owns 120,666 shares of Class A Common Stock and indirectly owns 130 shares through her son.
• The exercised options were fully vested and exercisable, with an expiration date of April 7, 2027.
• Ms. Glance continues to beneficially own 11,834 unexercised stock options after this transaction.

Sentiment

Score: 7

Explanation: The exercise of options by a key executive is generally a positive signal of confidence in the company, although it is a routine compensation event and not a strategic investment decision.

Positives

• The exercise of stock options and acquisition of shares by a key executive can signal confidence in the company's future prospects.
• The exercise price of $5 per share is likely significantly below the current market price, indicating a substantial in-the-money value for the executive.

Future Outlook

NA

Industry Context

This is a routine insider transaction, common across all industries for executives with equity compensation. It reflects the executive's decision to realize value from their compensation package, which is a standard practice.

Related Party Transactions

• Natalie Glance, Chief Engineering Officer, acquired shares from Duolingo through the exercise of stock options, which is a related party transaction as she is an insider.

Stakeholder Impact

• Shareholders: May view the executive's acquisition of shares as a positive sign of insider confidence in the company's future.
• Employees: This transaction reflects standard executive compensation practices being executed.
• Management: The Chief Engineering Officer is realizing value from her equity compensation, aligning her interests with long-term shareholder value.

Key Dates

Recommendation

The exercise of stock options by a key executive is a positive indicator of insider confidence, but it is a routine compensation event and does not fundamentally alter the company's financial outlook or strategic direction. It reinforces a 'hold' position for investors who are already confident in Duolingo's long-term prospects, as it doesn't present new information warranting a 'buy' or 'sell' based solely on this filing.

Keywords

Duolingo, DUOL, SEC Form 4, Insider Transaction, Stock Options, Executive Compensation, Natalie Glance, Chief Engineering Officer, Share Acquisition