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 |
|---|---|---|---|---|---|---|
| 2025-09-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,148 | $265.95 | $305K | 8,424 |
| 2025-09-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −849 | $266.90 | $227K | 7,575 |
| 2025-09-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −2,100 | $267.93 | $563K | 5,475 |
| 2025-09-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,956 | $268.92 | $526K | 3,519 |
| 2025-09-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,600 | $269.87 | $432K | 1,919 |
| 2025-09-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,647 | $271.05 | $446K | 272 |
| 2025-09-05 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −200 | $271.57 | $54K | 72 |
| 2025-09-05 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Stock Option (Right to Buy) 10b5-1 | −10,000 | 55,252 | ||
| 2025-09-05 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | +10,000 | 96,075 | ||
| 2025-09-05 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | −10,000 | 86,075 | ||
| 2025-08-26 | Chen Stephen C. General Counsel | Sale 10b5-1 | −1,515 | $321.36 | $487K | 32,638 |
| 2025-08-26 | Skaruppa Matthew Chief Financial Officer | Option exercise 10b5-1 | +1,378 | $14.42 | $20K | 54,282 |
| 2025-08-26 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −500 | $311.38 | $156K | 53,782 |
| 2025-08-26 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −300 | $312.67 | $94K | 53,482 |
| 2025-08-26 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −755 | $314.16 | $237K | 52,727 |
| 2025-08-26 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −1,402 | $315.27 | $442K | 51,325 |
| 2025-08-26 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −2,301 | $316.24 | $728K | 49,024 |
| 2025-08-26 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −800 | $317.44 | $254K | 48,224 |
| 2025-08-26 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −1,501 | $318.36 | $478K | 46,723 |
| 2025-08-26 | Skaruppa Matthew Chief Financial Officer | Sale 10b5-1 | −700 | $319.33 | $224K | 46,023 |
Page 14 of 79 · 1,565 trades