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 |
|---|---|---|---|---|---|---|
| 2025-08-26 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −1,100 | $320.50 | $353K | 44,923 |
| 2025-08-26 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −1,578 | $321.33 | $507K | 43,345 |
| 2025-08-26 | Skaruppa Matthew Chief Financial Officer | Option exercise · Stock Option (Right to Buy) 10b5-1 | −1,378 | 0 | ||
| 2025-08-20 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion | +10,000 | 10,000 | ||
| 2025-08-20 | Hacker Severin Chief Tech Officer, Co-Founder | Gift | −10,000 | 0 | ||
| 2025-08-20 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock | −10,000 | 2,886,917 | ||
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion 10b5-1 | +10,000 | $38.08 | $381K | 10,072 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,003 | $339.15 | $340K | 9,069 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,700 | $340.03 | $578K | 7,369 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,979 | $340.92 | $675K | 5,390 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,318 | $342.00 | $451K | 4,072 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −300 | $343.82 | $103K | 3,772 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −300 | $345.02 | $104K | 3,472 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −600 | $346.15 | $208K | 2,872 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −500 | $347.48 | $174K | 2,372 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −400 | $348.83 | $140K | 1,972 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −100 | $349.28 | $35K | 1,872 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −400 | $351.29 | $141K | 1,472 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −200 | $352.40 | $70K | 1,272 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −300 | $354.08 | $106K | 972 |
Page 15 of 79 · 1,565 trades