CIK 0001562088 · Large accelerated filer
Duolingo, Inc.
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion 10b5-1 | +10,000 | $38.08 | $381K | 10,072 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −403 | $339.32 | $137K | 9,669 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −2,098 | $340.28 | $714K | 7,571 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,330 | $341.55 | $454K | 6,241 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −2,205 | $342.56 | $755K | 4,036 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −600 | $343.43 | $206K | 3,436 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,133 | $344.99 | $391K | 2,303 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −200 | $346.73 | $69K | 2,103 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −300 | $349.25 | $105K | 1,803 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −200 | $351.08 | $70K | 1,603 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −200 | $352.75 | $71K | 1,403 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −931 | $354.45 | $330K | 472 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −400 | $355.06 | $142K | 72 |
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Stock Option (Right to Buy) 10b5-1 | −10,000 | 75,252 | ||
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | +10,000 | 96,075 | ||
| 2025-08-05 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | −10,000 | 86,075 | ||
| 2025-07-21 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion 10b5-1 | +10,000 | $38.08 | $381K | 10,072 |
| 2025-07-21 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −2,445 | $355.31 | $869K | 7,627 |
| 2025-07-21 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −728 | $356.20 | $259K | 6,899 |
| 2025-07-21 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,100 | $357.47 | $393K | 5,799 |
Page 17 of 79 · 1,565 trades