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 |
|---|---|---|---|---|---|---|
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −632 | $309.94 | $196K | 8,240 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,000 | $311.43 | $311K | 7,240 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,281 | $312.37 | $400K | 5,959 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −500 | $313.93 | $157K | 5,459 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,100 | $315.79 | $347K | 4,359 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,600 | $316.64 | $507K | 2,759 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −680 | $317.68 | $216K | 2,079 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −907 | $318.73 | $289K | 1,172 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −300 | $319.97 | $96K | 872 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −400 | $321.75 | $129K | 472 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −300 | $323.09 | $97K | 172 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −100 | $324.10 | $32K | 72 |
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Stock Option (Right to Buy) 10b5-1 | −10,000 | 25,252 | ||
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | +10,000 | 96,075 | ||
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock 10b5-1 | −10,000 | 86,075 | ||
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Performance-Based Restricted Stock Units 10b5-1 | −60,000 | 390,000 | ||
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Class B Common Stock 10b5-1 | +60,000 | 146,075 | ||
| 2025-10-20 | Hacker Severin Chief Tech Officer, Co-Founder | Shares withheld for taxes · Class B Common Stock 10b5-1 | −31,770 | $312.73 | $9.9M | 114,305 |
| 2025-10-20 | von Ahn Luis President & CEO, Co-Founder | Option exercise · Performance-Based Restricted Stock Units | −120,000 | 780,000 | ||
| 2025-10-20 | von Ahn Luis President & CEO, Co-Founder | Option exercise · Class B Common Stock | +120,000 | 3,270,171 |
Page 11 of 79 · 1,565 trades