Severin Hacker sold $4.7M of DUOL
Chief Tech Officer, Co-Founder at Duolingo, Inc.. 10,000 shares at an average of $471.20, traded Jun 20, 2025, filed Jun 23, 2025.
Score components
- +15RoleOfficer
- +25Trade size$4.7M at market
- +20Share of holdings soldSold 99% of holdings
- +8Cluster2 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001562088-25-000153, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jun 20, 2025 | CConversion Class A Common Stock | +10,000 | $38.08 | $381k | 10,072 | Jun 23, 2025 |
| Jun 20, 2025 | SOpen-market sale Class A Common Stock10b5-1 | -300 | $466.43 | $140k | 9,772 | Jun 23, 2025 |
| Jun 20, 2025 | SOpen-market sale Class A Common Stock10b5-1 | -900 | $467.46 | $421k | 8,872 | Jun 23, 2025 |
| Jun 20, 2025 | SOpen-market sale Class A Common Stock10b5-1 | -1,017 | $468.40 | $476k | 7,855 | Jun 23, 2025 |
| Jun 20, 2025 | SOpen-market sale Class A Common Stock10b5-1 | -2,183 | $469.55 | $1.0M | 5,672 | Jun 23, 2025 |
| Jun 20, 2025 | SOpen-market sale Class A Common Stock10b5-1 | -1,401 | $470.39 | $659k | 4,271 | Jun 23, 2025 |
| Jun 20, 2025 | SOpen-market sale Class A Common Stock10b5-1 | -1,199 | $471.45 | $565k | 3,072 | Jun 23, 2025 |
| Jun 20, 2025 | SOpen-market sale Class A Common Stock10b5-1 | -928 | $472.54 | $439k | 2,144 | Jun 23, 2025 |
| Jun 20, 2025 | SOpen-market sale Class A Common Stock | -272 | $473.46 | $129k | 1,872 | Jun 23, 2025 |
| Jun 20, 2025 | SOpen-market sale Class A Common Stock | -500 | $474.65 | $237k | 1,372 | Jun 23, 2025 |
| Jun 20, 2025 | SOpen-market sale Class A Common Stock | -700 | $476.47 | $334k | 672 | Jun 23, 2025 |
| Jun 20, 2025 | SOpen-market sale Class A Common Stock | -400 | $478.12 | $191k | 272 | Jun 23, 2025 |
| Jun 20, 2025 | SOpen-market sale Class A Common Stock | -200 | $481.35 | $96k | 72 | Jun 23, 2025 |
| Jun 20, 2025 | MOption exercise Stock Option (Right to Buy)derivative | -10,000 | $0.00 | $0 | 105,252 | Jun 23, 2025 |
| Jun 20, 2025 | CConversion Class B Common Stockderivative | +10,000 | $0.00 | $0 | 96,075 | Jun 23, 2025 |
| Jun 20, 2025 | CConversion Class B Common Stockderivative | -10,000 | $0.00 | $0 | 86,075 | Jun 23, 2025 |
Related signals
Other insiders at Duolingo, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 35Weak | Duolingo, Inc. | Luis von Ahn President & CEO, Co-Founder | $17M 110,046 shares | -100% | |
| 43Moderate | Duolingo, Inc. | Luis von Ahn President & CEO, Co-Founder | $7.0M 46,682 shares | -100% | |
| 50Moderate | Duolingo, Inc. | Luis von Ahn President & CEO, Co-Founder | $6.2M 40,980 shares | -110% | |
| 50Moderate | Duolingo, Inc. | Luis von Ahn President & CEO, Co-Founder | $4.3M 28,292 shares | -100% | |
| 40Moderate | Duolingo, Inc. | Stephen C. Chen General Counsel | $1.2M 8,072 shares | -16% | |
| 40Moderate | Duolingo, Inc. | William B Gordon director | $1.5M 10,000 shares | -13% | |
| 25Weak | Duolingo, Inc. | James H Shelton director | $427k 895 shares | -17% | |
| 33Weak | Duolingo, Inc. | Severin Hacker Chief Tech Officer, Co-Founder | $5.3M 10,000 shares | -99% | |
| 40Moderate | Duolingo, Inc. | Severin Hacker Chief Tech Officer, Co-Founder | $5.2M 10,000 shares | -99% | |
| 35Weak | Duolingo, Inc. | Stephen C. Chen General Counsel | $1.4M 2,635 shares | -7% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.