| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Chief Tech Officer, Co-founder
1 company
Severin Hacker is Chief Tech Officer, Co-founder at DUOL. Since September 2022, the filings on record show 0 open-market purchases and 47 sales. Severin Hacker's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $9K at current prices.
Historically, Severin Hacker's trades have earned a middling insider score of 58/100 across 57 rated trades. Over a 12-month horizon, 48.1% of those trades were profitable, with an average 12-month return of -10.2%.
The DUOL filings lean toward selling, a net 711,420 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 20, 2025 | DUOL Duolingo, Inc. | Chief Tech Officer, Co-founder | Sale+OE | 10,000 | $471.20 | $4,711,992.69 | -99.3% | -38.6% | -73.0% | |
| Jun 5, 2025 | DUOL Duolingo, Inc. | Chief Tech Officer, Co-founder | Sale+OE10b5-1 | 10,000 | $525.10 | $5,251,038.75 | -99.3% | -46.0% | -79.2% | |
| May 19, 2025 | DUOL Duolingo, Inc. | Chief Tech Officer, Co-founder | Sale+OE10b5-1 | 10,000 | $524.70 | $5,247,038.61 | -99.3% | -29.0% | -78.1% | |
| May 5, 2025 | DUOL Duolingo, Inc. | Chief Tech Officer, Co-founder | Sale+OE10b5-1 | 10,622 | $495.01 | $5,258,037.06 | -95.7% | -28.7% | -78.9% | |
| Apr 21, 2025 | DUOL Duolingo, Inc. | Chief Tech Officer, Co-founder | Sale+OE10b5-1 | 10,000 | $314.36 | $3,143,600.87 | -99.3% | +12.6% | - | |
| Apr 7, 2025 | DUOL Duolingo, Inc. | Chief Tech Officer, Co-founder | Sale+OE10b5-1 | 10,000 | $292.43 | $2,924,302.34 | -99.3% | +33.7% | -67.5% | |
| Mar 19, 2025 | DUOL Duolingo, Inc. | Chief Tech Officer, Co-founder | Sale+OE10b5-1 | 9,790 | $298.23 | $2,919,677.87 | -99.3% | +58.2% | -66.9% | |
| Mar 5, 2025 | DUOL Duolingo, Inc. | Chief Tech Officer, Co-founder | Sale+OE10b5-1 | 10,000 | $290.54 | $2,905,357.24 | -99.3% | +75.4% | -65.3% | |
| Feb 19, 2025 | DUOL Duolingo, Inc. | Chief Tech Officer, Co-founder | Sale+OE10b5-1 | 10,000 | $433.94 | $4,339,354.06 | -99.3% | +21.6% | -74.3% | |
| Feb 5, 2025 | DUOL Duolingo, Inc. | Chief Tech Officer, Co-founder | Sale+OE10b5-1 | 10,000 | $391.46 | $3,914,551.57 | -99.3% | +25.1% | -70.8% |