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 |
|---|---|---|---|---|---|---|
| 2025-11-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −280 | $176.68 | $49K | 72 |
| 2025-11-19 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Stock Option (Right to Buy) 10b5-1 | −10,000 | 5,252 | ||
| 2025-11-19 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | +10,000 | 124,305 | ||
| 2025-11-19 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | −10,000 | 114,305 | ||
| 2025-11-18 | Chen Stephen C. General Counsel | Sale 10b5-1 | −120 | $173.97 | $21K | 32,936 |
| 2025-11-18 | Chen Stephen C. General Counsel | Sale 10b5-1 | −594 | $175.15 | $104K | 32,342 |
| 2025-11-18 | Chen Stephen C. General Counsel | Sale 10b5-1 | −320 | $175.94 | $56K | 32,022 |
| 2025-11-18 | Chen Stephen C. General Counsel | Sale 10b5-1 | −480 | $177.19 | $85K | 31,542 |
| 2025-11-18 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −390 | $174.04 | $68K | 40,156 |
| 2025-11-18 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −793 | $175.00 | $139K | 39,363 |
| 2025-11-18 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −880 | $175.73 | $155K | 38,483 |
| 2025-11-18 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −796 | $176.91 | $141K | 37,687 |
| 2025-11-18 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −200 | $177.65 | $36K | 37,487 |
| 2025-11-18 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −160 | $173.80 | $28K | 113,477 |
| 2025-11-18 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −741 | $174.97 | $130K | 112,736 |
| 2025-11-18 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −850 | $175.73 | $149K | 111,886 |
| 2025-11-18 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −560 | $177.00 | $99K | 111,326 |
| 2025-11-18 | Glance Natalie Chief Engineering Officer | Sale 10b5-1 | −160 | $177.60 | $28K | 111,166 |
| 2025-11-17 | Chen Stephen C. General Counsel | Sale 10b5-1 | −1,282 | $177.95 | $228K | 33,056 |
| 2025-11-17 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −2,799 | $177.95 | $498K | 40,546 |
Page 9 of 79 · 1,565 trades