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 |
|---|---|---|---|---|---|---|
| 2025-07-07 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −800 | $394.93 | $316K | 1,874 |
| 2025-07-07 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,202 | $396.09 | $476K | 672 |
| 2025-07-07 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −600 | $396.73 | $238K | 72 |
| 2025-07-07 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Stock Option (Right to Buy) 10b5-1 | −10,000 | 95,252 | ||
| 2025-07-07 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | +10,000 | 96,075 | ||
| 2025-07-07 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | −10,000 | 86,075 | ||
| 2025-07-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −300 | $395.93 | $119K | 129,354 |
| 2025-07-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −200 | $397.13 | $79K | 129,154 |
| 2025-07-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −200 | $399.65 | $80K | 128,954 |
| 2025-07-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −685 | $400.92 | $275K | 128,269 |
| 2025-07-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −224 | $402.38 | $90K | 128,045 |
| 2025-07-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −300 | $403.19 | $121K | 127,745 |
| 2025-07-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −200 | $404.26 | $81K | 127,545 |
| 2025-07-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −100 | $405.39 | $41K | 127,445 |
| 2025-07-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −100 | $408.14 | $41K | 127,345 |
| 2025-07-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −300 | $410.68 | $123K | 127,045 |
| 2025-07-01 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −100 | $413.14 | $41K | 126,945 |
| 2025-06-20 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion | +10,000 | $38.08 | $381K | 10,072 |
| 2025-06-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale | −300 | $466.43 | $140K | 9,772 |
| 2025-06-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale | −900 | $467.46 | $421K | 8,872 |
Page 19 of 79 · 1,565 trades