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 |
|---|---|---|---|---|---|---|
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −400 | $354.89 | $142K | 572 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −100 | $357.67 | $36K | 472 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −200 | $359.30 | $72K | 272 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −200 | $363.05 | $73K | 72 |
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Stock Option (Right to Buy) 10b5-1 | −10,000 | 65,252 | ||
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | +10,000 | 96,075 | ||
| 2025-08-19 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | −10,000 | 86,075 | ||
| 2025-08-18 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −300 | $364.64 | $109K | 121,812 |
| 2025-08-18 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −900 | $366.16 | $330K | 120,912 |
| 2025-08-18 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −702 | $367.44 | $258K | 120,210 |
| 2025-08-18 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −169 | $368.44 | $62K | 120,041 |
| 2025-08-18 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −400 | $369.87 | $148K | 119,641 |
| 2025-08-18 | Glance Natalie Chief Engineering Officer | Gift 10b5-1 | −187 | 119,454 | ||
| 2025-08-15 | Chen Stephen C. General Counsel | Sale | −1,282 | $329.03 | $422K | 34,153 |
| 2025-08-15 | Skaruppa Matthew Chief Financial Officer | Sale | −2,797 | $329.03 | $920K | 52,904 |
| 2025-08-15 | Glance Natalie Chief Engineering Officer | Sale | −2,533 | $329.03 | $833K | 122,112 |
| 2025-08-15 | Meese Robert Chief Business Officer | Sale | −1,444 | $329.03 | $475K | 120,080 |
| 2025-08-15 | Chen Stephen C. General Counsel | Gift | −750 | 35,435 | ||
| 2025-08-14 | Skaruppa Matthew Chief Financial Officer | Gift | −2,522 | 55,701 | ||
| 2025-08-12 | Glance Natalie Chief Engineering Officer | Gift | −2,300 | 124,645 |
Page 16 of 79 · 1,565 trades