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 |
|---|---|---|---|---|---|---|
| 2025-11-17 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −2,534 | $177.95 | $451K | 113,637 |
| 2025-11-17 | Meese Robert Chief Business Officer | Sale | −1,444 | $177.95 | $257K | 123,636 |
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion 10b5-1 | +10,000 | $38.08 | $381K | 10,072 |
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −744 | $257.92 | $192K | 9,328 |
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −936 | $258.77 | $242K | 8,392 |
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −560 | $259.71 | $145K | 7,832 |
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −165 | $261.14 | $43K | 7,667 |
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,778 | $261.94 | $466K | 5,889 |
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −560 | $262.97 | $147K | 5,329 |
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,625 | $264.06 | $429K | 3,704 |
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −760 | $265.02 | $201K | 2,944 |
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,727 | $266.12 | $460K | 1,217 |
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,145 | $266.87 | $306K | 72 |
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Stock Option (Right to Buy) 10b5-1 | −10,000 | 15,252 | ||
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | +10,000 | 124,305 | ||
| 2025-11-04 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | −10,000 | 114,305 | ||
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion 10b5-1 | +10,000 | $38.08 | $381K | 10,072 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −100 | $305.86 | $31K | 9,972 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −600 | $307.55 | $185K | 9,372 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −500 | $309.06 | $155K | 8,872 |
Page 10 of 79 · 1,565 trades