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 |
|---|---|---|---|---|---|---|
| 2025-12-08 | Hacker Severin Chief Tech Officer, Co-Founder | Gift | −50,000 | 72 | ||
| 2025-12-08 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion · Class B Common Stock | −50,000 | 2,836,917 | ||
| 2025-12-05 | Glance Natalie Chief Engineering Officer | Option exercise | +9,500 | $5.00 | $48K | 120,666 |
| 2025-12-05 | Glance Natalie Chief Engineering Officer | Option exercise · Stock Option (Right to Buy) | −9,500 | 11,834 | ||
| 2025-12-03 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Stock Option (Right to Buy) | −5,252 | 0 | ||
| 2025-12-03 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Class B Common Stock | +5,252 | $38.08 | $200K | 147,787 |
| 2025-12-01 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Performance-Based Restricted Stock Units | −60,000 | 330,000 | ||
| 2025-12-01 | Hacker Severin Chief Tech Officer, Co-Founder | Option exercise · Class B Common Stock | +60,000 | 174,305 | ||
| 2025-12-01 | Hacker Severin Chief Tech Officer, Co-Founder | Shares withheld for taxes · Class B Common Stock | −31,770 | $185.45 | $5.9M | 142,535 |
| 2025-12-01 | von Ahn Luis President & CEO, Co-Founder | Option exercise · Performance-Based Restricted Stock Units | −120,000 | 660,000 | ||
| 2025-12-01 | von Ahn Luis President & CEO, Co-Founder | Option exercise · Class B Common Stock | +120,000 | 3,338,403 | ||
| 2025-12-01 | von Ahn Luis President & CEO, Co-Founder | Shares withheld for taxes · Class B Common Stock | −51,768 | $185.45 | $9.6M | 3,286,635 |
| 2025-11-19 | Hacker Severin Chief Tech Officer, Co-Founder | Conversion 10b5-1 | +10,000 | $38.08 | $381K | 10,072 |
| 2025-11-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,146 | $169.57 | $194K | 8,926 |
| 2025-11-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,000 | $170.55 | $171K | 7,926 |
| 2025-11-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −2,009 | $171.50 | $345K | 5,917 |
| 2025-11-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −1,281 | $172.39 | $221K | 4,636 |
| 2025-11-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −760 | $173.74 | $132K | 3,876 |
| 2025-11-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −3,089 | $174.61 | $539K | 787 |
| 2025-11-19 | Hacker Severin Chief Tech Officer, Co-Founder | Sale 10b5-1 | −435 | $175.46 | $76K | 352 |
Page 8 of 79 · 1,565 trades