CIK 0001562088 · Large accelerated filer
Duolingo, Inc.
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- DUOL
- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 453055872
- Phone
- (412) 347-6116
- Business address
- 5900 PENN AVE, SECOND FLOOR, PITTSBURGH, PA, 15206
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $39,697,514
- in 11 filings, $39.4M under 10b5-1 plans
Net −$39,697,514. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
- von Ahn Luis −$34.1M President & CEO, Co-Founder sold 100% of stake
- GORDON WILLIAM B −$2.8M Director sold 26% of stake
- Chen Stephen C. −$2.0M General Counsel sold 24% of stake
- Glance Natalie −$567K Chief Engineering Officer sold 2% of stake
- Meese Robert −$175K Chief Business Officer sold <1% of stake
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-09-21 | von Ahn Luis President & CEO, Co-Founder | Conversion · Class B Common Stock 10b5-1 | −27,960 | 3,368,120 | ||
| 2026-09-21 | von Ahn Luis President & CEO, Co-Founder | Option exercise · Stock Option (Right to Buy) 10b5-1 | −9,406 | 160,342 | ||
| 2026-09-21 | von Ahn Luis President & CEO, Co-Founder | Conversion · Class B Common Stock 10b5-1 | +9,406 | 3,377,526 | ||
| 2026-09-21 | von Ahn Luis President & CEO, Co-Founder | Conversion · Class B Common Stock 10b5-1 | −9,406 | 3,368,120 | ||
| 2026-09-16 | von Ahn Luis President & CEO, Co-Founder | Conversion 10b5-1 | +23,040 | $14.42 | $332K | 23,040 |
| 2026-09-16 | von Ahn Luis President & CEO, Co-Founder | Conversion 10b5-1 | +5,252 | $38.08 | $200K | 28,292 |
| 2026-09-16 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −27,272 | $150.17 | $4.1M | 1,020 |
| 2026-09-16 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −1,020 | $151.54 | $155K | 0 |
| 2026-09-16 | von Ahn Luis President & CEO, Co-Founder | Option exercise · Stock Option (Right to Buy) 10b5-1 | −23,040 | 27,960 | ||
| 2026-09-16 | von Ahn Luis President & CEO, Co-Founder | Conversion · Class B Common Stock 10b5-1 | +23,040 | 3,391,160 | ||
| 2026-09-16 | von Ahn Luis President & CEO, Co-Founder | Conversion · Class B Common Stock 10b5-1 | −23,040 | 3,368,120 | ||
| 2026-09-16 | von Ahn Luis President & CEO, Co-Founder | Option exercise · Stock Option (Right to Buy) 10b5-1 | −5,252 | 169,748 | ||
| 2026-09-16 | von Ahn Luis President & CEO, Co-Founder | Conversion · Class B Common Stock 10b5-1 | +5,252 | 3,373,372 | ||
| 2026-09-16 | von Ahn Luis President & CEO, Co-Founder | Conversion · Class B Common Stock 10b5-1 | −5,252 | 3,368,120 | ||
| 2026-09-14 | Chen Stephen C. General Counsel | Sale 10b5-1 | −2,107 | $147.43 | $311K | 49,734 |
| 2026-09-14 | Chen Stephen C. General Counsel | Sale 10b5-1 | −5,965 | $150.00 | $895K | 43,769 |
| 2026-09-08 | GORDON WILLIAM B Director | Sale 10b5-1 | −800 | $143.83 | $115K | 77,615 |
| 2026-09-08 | GORDON WILLIAM B Director | Sale 10b5-1 | −2,742 | $144.59 | $396K | 74,873 |
| 2026-09-08 | GORDON WILLIAM B Director | Sale 10b5-1 | −3,483 | $145.91 | $508K | 71,390 |
| 2026-09-08 | GORDON WILLIAM B Director | Sale 10b5-1 | −2,675 | $146.58 | $392K | 68,715 |
Page 3 of 79 · 1,565 trades