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 |
|---|---|---|---|---|---|---|
| 2026-11-04 | Chen Stephen C. General Counsel | Sale 10b5-1 | −3,700 | $175.00 | $648K | 40,069 |
| 2026-11-02 | GORDON WILLIAM B Director | Sale 10b5-1 | −300 | $132.14 | $40K | 68,115 |
| 2026-11-02 | GORDON WILLIAM B Director | Sale 10b5-1 | −300 | $133.30 | $40K | 67,815 |
| 2026-11-02 | GORDON WILLIAM B Director | Sale 10b5-1 | −300 | $134.51 | $40K | 67,515 |
| 2026-11-02 | GORDON WILLIAM B Director | Sale 10b5-1 | −3,941 | $135.53 | $534K | 63,574 |
| 2026-11-02 | GORDON WILLIAM B Director | Sale 10b5-1 | −1,759 | $136.25 | $240K | 61,815 |
| 2026-11-02 | GORDON WILLIAM B Director | Sale 10b5-1 | −1,326 | $137.60 | $182K | 60,489 |
| 2026-11-02 | GORDON WILLIAM B Director | Sale 10b5-1 | −1,374 | $138.40 | $190K | 59,115 |
| 2026-11-02 | GORDON WILLIAM B Director | Sale 10b5-1 | −700 | $139.20 | $97K | 58,415 |
| 2026-10-07 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −20,025 | $150.63 | $3.0M | 90,021 |
| 2026-10-07 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −55,036 | $151.52 | $8.3M | 34,985 |
| 2026-10-07 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −29,871 | $152.47 | $4.6M | 5,114 |
| 2026-10-07 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −5,114 | $153.26 | $784K | 0 |
| 2026-09-24 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −38,758 | $150.45 | $5.8M | 7,924 |
| 2026-09-24 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −7,024 | $151.42 | $1.1M | 900 |
| 2026-09-24 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −900 | $152.29 | $137K | 0 |
| 2026-09-22 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −200 | $150.00 | $30K | 3,414 |
| 2026-09-22 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −3,414 | $152.02 | $519K | 0 |
| 2026-09-21 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −33,257 | $150.46 | $5.0M | 4,109 |
| 2026-09-21 | von Ahn Luis President & CEO, Co-Founder | Sale 10b5-1 | −4,109 | $151.07 | $621K | 0 |
Page 1 of 54 · 1,077 trades