Form 4: Duolingo Officer Sells Shares, Gifts Stock

Duolingo's Chief Engineering Officer, Natalie Glance, reported the sale of 2,471 Class A Common Stock shares and a gift of 187 shares, all executed on August 18, 2025.

Summary

• Natalie Glance, Duolingo, Inc.'s Chief Engineering Officer, reported changes in her beneficial ownership of Class A Common Stock.
• On August 18, 2025, Glance sold a total of 2,471 shares of Class A Common Stock across five separate transactions.
• The sales were executed at weighted average prices ranging from $364.64 to $369.865 per share.
• These sales were conducted under a Rule 10b5-1 trading plan, which was adopted on November 14, 2024.
• Additionally, on August 18, 2025, Glance gifted 187 shares of Class A Common Stock at a price of $0.
• Following these transactions, Natalie Glance directly beneficially owns 119,454 shares of Class A Common Stock.
• An additional 130 shares are indirectly beneficially owned by her son.

Sentiment

Score: 5

Explanation: The sentiment is neutral. While insider selling can sometimes be viewed negatively, the fact that these sales were conducted under a pre-arranged Rule 10b5-1 trading plan mitigates any negative implications, as they are not indicative of new, adverse information.

Negatives

• The sale of 2,471 shares by a Chief Engineering Officer could be perceived as a slight negative signal, although mitigated by the pre-arranged 10b5-1 plan.

Future Outlook

The filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategic direction.

Industry Context

This Form 4 filing reports routine insider transactions and does not provide broader industry context or trends. Insider sales, especially those under a 10b5-1 plan, are common for executives managing personal finances and diversifying portfolios.

Related Party Transactions

• Natalie Glance gifted 187 shares of Class A Common Stock to her son, which constitutes a related party transaction.

Stakeholder Impact

• Shareholders: The sale of shares by an officer results in a minor increase in the public float, but the impact on share price is likely minimal given the pre-planned nature of the transaction and the relatively small volume compared to Duolingo's overall market capitalization.

Key Dates

Recommendation

This Form 4 filing details routine insider transactions, specifically sales and a gift of shares by a Chief Engineering Officer, executed under a pre-arranged 10b5-1 plan. Such transactions are typically for personal financial management and do not usually signal a change in the company's fundamental outlook or warrant a strong buy or sell recommendation. Investors should consider broader company performance, industry trends, and market conditions rather than basing decisions solely on this type of insider filing.

Keywords

Duolingo, DUOL, SEC Form 4, Insider Trading, Stock Sale, Beneficial Ownership, Rule 10b5-1, Officer Transaction