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 |
|---|---|---|---|---|---|---|
| 2025-10-20 | von Ahn Luis President & CEO, Co-Founder | Shares withheld for taxes · Class B Common Stock | −51,768 | $312.73 | $16.2M | 3,218,403 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion 10b5-1 | +10,000 | $38.08 | $381K | 10,072 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −500 | $317.31 | $159K | 9,572 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,916 | $318.26 | $610K | 7,656 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,599 | $319.56 | $511K | 6,057 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,803 | $320.33 | $578K | 4,254 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,173 | $321.39 | $377K | 3,081 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −109 | $322.62 | $35K | 2,972 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −300 | $324.10 | $97K | 2,672 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −500 | $325.22 | $163K | 2,172 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −600 | $326.50 | $196K | 1,572 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,300 | $327.44 | $426K | 272 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −200 | $328.76 | $66K | 72 |
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Stock Option (Right to Buy) 10b5-1 | −10,000 | 35,252 | ||
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | +10,000 | 96,075 | ||
| 2025-10-06 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | −10,000 | 86,075 | ||
| 2025-10-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −100 | $300.56 | $30K | 119,354 |
| 2025-10-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −475 | $303.74 | $144K | 118,879 |
| 2025-10-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −200 | $305.09 | $61K | 118,679 |
| 2025-10-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −600 | $306.51 | $184K | 118,079 |
Page 12 of 79 · 1,565 trades