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AI filing briefs · archive

8-K filings in February 2026, explained

1,673 material Form 8-K filings that 1,260 companies we cover made with the SEC in February 2026, each read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). All of them were written later, when past filings were added: a selection, not every 8-K of the month (see the note below).

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DUOLDuolingo, Inc. Feb 26, 4:03 PM ET

Duolingo Q4 revenue rises 35% to $282.9 million; 2026 bookings growth guided to 10%-12%

Mixed guidance Written later 2.028.01

Duolingo reported fourth-quarter 2025 revenue of $282.9 million, up 35% year over year, and full-year 2025 revenue of $1,037.6 million, up 39%. The company also guided to slower 2026 bookings growth of 10% to 12% and an Adjusted EBITDA margin of about 25%, and authorized a share repurchase program of up to $400 million, which management says reflects a deliberate shift toward user growth.

  • Q4 2025 revenue $282.9 million, up 35%; Q4 net income $42.0 million, versus $13.9 million in Q4 2024
  • Full-year 2025 net income $414.1 million, including a one-time income-tax benefit of $256.7 million
  • FY 2026 guidance: bookings $1,274 million to $1,298 million (10% to 12% growth); revenue $1,197 million to $1,221 million; Adjusted EBITDA margin about 25%, versus 29.5% in 2025
  • Board authorized share repurchases of up to $400 million with no expiration date
Read the filing on SEC.gov ↗

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.

Briefs marked “Written later” were written in November 2026 for filings that were by then more than three weeks old, so months before mid-October 2026 hold a selection: every material 8-K of the past year for the 100 largest companies we cover and the last 15 important 8-Ks of every other one. Briefs the number check holds back are not shown or counted. Also: the last 45 days, briefs by company, A–Z and the live SEC filings wire.