InsidersTradesSigma
Duolingo, Inc. Stock: price and directors' dealings · United States · SEC (Form 4)
Track the Duolingo, Inc. share price and the full management transaction log of the company, a listed issuer based in United States. Shares are listed on US US, under the authority of SEC (Form 4). Operating in the Business Services sector, Duolingo, Inc. has published 405 insider filings. Market capitalisation: €5.9bn. The latest transaction was filed on 18 June 2026 (Levée d'options). Among the most active insiders: Hacker Severin. Every trade is accessible without an account.
405
Insider Decl.
0
Thresholds
€63m
36 ops.
Buy Volume
€80m
141 ops.
Sell Volume
Analyst consensus: bullish or bearish?
Analysts rate Duolingo, Inc. Hold (neutral), based on 17 analysts. Average price target: US$106.31.
38Σ signal
Informational score on this market. Our backtest validates the signal only on 8 EU venues; elsewhere (notably US markets) insider buys historically invert or do not hold. Not a recommendation.
Fundamental score
Ranked 3,852 of 25,535 companies
70.0
score / 100
Value51
Quality89
FCF yld6.2%
Earn yld7.1%
EV/EBITDA39.7x
ROE37%
Gross mgn72%
Net mgn40%
Debt/EBITDA0.6x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Sigma AI Analysis
Fundamental view, insider signal, bull and bear case, synthesis.
AI-generated analysis. Opinion, not investment advice. Not backtested. Built from public filings and financials. No price target, no buy or sell recommendation.
Last declaration on 18 June 2026
Declarations405 total
58 sharesClass A Common StockSEC:0001628280-26-044413:0
2,001 shares0Class A Common StockSEC:0001628280-26-041254:0
2,001 shares0Class A Common StockSEC:0001628280-26-041255:0
2,001 shares0Class A Common StockSEC:0001628280-26-041250:0
2,001 shares0Class A Common StockSEC:0001628280-26-041251:0
2,001 shares0Class A Common StockSEC:0001628280-26-041252:0
2,001 shares0Class A Common StockSEC:0001628280-26-041253:0
2,001 shares0Class A Common StockSEC:0001628280-26-041256:0
10,000 shares@ US$38.086.3% of flowClass A Common StockSEC:0001562088-25-000159:0
2,445 shares@ US$355.306314.3% of flowClass A Common StockSEC:0001562088-25-000159:1
728 shares@ US$356.20334.3% of flowClass A Common StockSEC:0001562088-25-000159:2
1,100 shares@ US$357.47346.5% of flowClass A Common StockSEC:0001562088-25-000159:3
300 shares@ US$358.39051.8% of flowClass A Common StockSEC:0001562088-25-000159:4
854 shares@ US$359.64745.1% of flowClass A Common StockSEC:0001562088-25-000159:5
373 shares@ US$360.53512.2% of flowClass A Common StockSEC:0001562088-25-000159:6
200 shares@ US$361.871.2% of flowClass A Common StockSEC:0001562088-25-000159:7
620 shares@ US$363.40423.7% of flowClass A Common StockSEC:0001562088-25-000159:8
1,580 shares@ US$364.55479.5% of flowClass A Common StockSEC:0001562088-25-000159:9
1,200 shares@ US$365.49427.2% of flowClass A Common StockSEC:0001562088-25-000159:10
300 shares@ US$366.31671.8% of flowClass A Common StockSEC:0001562088-25-000159:11
100 shares@ US$367.610.6% of flowClass A Common StockSEC:0001562088-25-000159:12
200 shares@ US$370.051.2% of flowClass A Common StockSEC:0001562088-25-000159:13
10,000 shares@ US$38.086.5% of flowClass A Common StockSEC:0001562088-25-000119:0
1,268 shares@ US$525.074915.6% of flowClass A Common StockSEC:0001562088-25-000114:0
800 shares@ US$526.1045.5% of flowClass A Common StockSEC:0001562088-25-000115:0
25 of 405 declarations
About Duolingo, Inc.
Duolingo, Inc. is a U.S.-based education technology company listed on the NASDAQ under the ticker DUOL, in the United States. Founded in 2011 by Luis von Ahn and Severin Hacker, both Carnegie Mellon engineers, the company was built around a straightforward mission: make high-quality education universally available. Its headquarters are in Pittsburgh, Pennsylvania, which remains the company’s operational and cultural center. Duolingo first gained scale as a mobile-first language-learning app and has since evolved into a broader learning platform that combines pedagogy, gamification, and data-driven product development. ([investors.duolingo.com](https://investors.duolingo.com/?utm_source=openai)) The core business is still language learning, delivered through Duolingo’s mobile app and web platform. The company offers courses in more than 40 languages and serves a very large global user base. Monetization is primarily driven by premium subscriptions and other paid offerings, while the free tier remains strategically important for user acquisition, engagement, and brand reach. Duolingo’s competitive edge comes from its strong consumer brand, highly effective product design, and a culture of rapid experimentation through A/B testing. Over time, the company has expanded beyond languages into adjacent learning products, including Duolingo English Test, Duolingo Math, Duolingo Music, and newer features that broaden the platform’s educational scope. ([investors.duolingo.com](https://investors.duolingo.com/?utm_source=openai)) From a competitive standpoint, Duolingo is widely viewed as the global leader in mobile language learning. Its scale, brand recognition, and mostly organic growth model give it meaningful advantages in user acquisition and app-store visibility. For investors, the key questions are execution on paid conversion, retention, and the company’s ability to extend growth beyond its core language-learning franchise. SEC filings indicate that Duolingo had more than 100 million monthly active users as of year-end 2024, underscoring the breadth of its platform and the strength of its consumer reach. ([investors.duolingo.com](https://investors.duolingo.com/?utm_source=openai)) Recent developments show that Duolingo remains highly product-driven. In April 2025, the company launched 148 new language courses, one of the largest content expansions in its history. At Duocon in September 2025, Duolingo announced major product updates, including a Duolingo Score integration with LinkedIn profiles, the expansion of its chess course, and improvements to its AI-powered Video Call feature. Investor-relations materials also show continued operational momentum into Q1 2026, while the SEC filing pipeline has remained active, including multiple Form 4 insider transaction filings, which keeps the stock in the spotlight for market participants. ([investors.duolingo.com](https://investors.duolingo.com/news-releases/news-release-details/duolingo-launches-148-new-language-courses?utm_source=openai))
