SCHEDULE 13G/A: Duolingo Co-Founder Severin Hacker Discloses 7.6% Beneficial Ownership Stake

Duolingo, Inc. co-founder and CTO Severin Hacker has filed an amended Schedule 13G, disclosing a beneficial ownership of 7.6% of the company's Class A common stock as of March 31, 2025.

Summary

• Severin Hacker, a co-founder and the Chief Technology Officer (CTO) of Duolingo, Inc., has filed an Amendment No. 3 to Schedule 13G.
• The filing indicates that Mr. Hacker beneficially owns 3,198,316 shares of Duolingo's Class A common stock.
• This ownership represents 7.6% of the total Class A common stock outstanding.
• The beneficial ownership includes 72 shares of Class A common stock held directly, 86,075 shares underlying Class B common stock held directly, 165,252 shares underlying stock options exercisable prior to May 30, 2025, and 2,946,917 shares underlying Class B common stock held by SBH Trust.
• The calculation of the percentage is based on 39,044,190 shares of Class A Common Stock outstanding as of February 26, 2025, as reported in Duolingo's Annual Report on Form 10-K filed on February 28, 2025.
• Mr. Hacker holds sole voting and sole dispositive power over all 3,198,316 shares.

Sentiment

Score: 5

Explanation: The document is a factual disclosure of beneficial ownership, which is neutral in sentiment. The continued significant stake by a co-founder is generally viewed positively by investors, but the document itself is purely informational.

Positives

• The disclosure confirms a significant and continued ownership stake by a co-founder and key executive, Severin Hacker, which can signal strong alignment with shareholder interests and confidence in the company's future.

Negatives

• This filing is a routine disclosure of beneficial ownership and does not inherently contain negative financial or operational information.

Risks

• This document is a beneficial ownership disclosure and does not detail specific risks to the company's operations or financial performance.

Future Outlook

This document is a beneficial ownership disclosure and does not contain forward-looking statements or guidance regarding Duolingo's future performance or outlook.

Industry Context

This filing is a standard regulatory disclosure of a significant ownership stake by a company insider and does not provide broader industry context or trends.

Stakeholder Impact

• Shareholders: Provides transparency regarding the ownership structure and the significant stake held by a co-founder and key executive, which can influence investor confidence.
• Management: Confirms the continued substantial personal investment of a co-founder in the company's equity.

Key Dates

Keywords

Duolingo, Severin Hacker, Beneficial Ownership, Schedule 13G, Class A Common Stock, SEC Filing, Ownership Stake, DUOL