Severin Hacker, Chief Technology Officer, Co-Founder at Duolingo, Inc. (DUOL), sold 15,500 shares at $356.20 ($5.6M) on 2025-07-21, disclosed to the SEC on 2025-07-22.
Scheduled sale ($5.6M) by Chief Technology Officer, Co-Founder under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $355.31 | 2,445 | $869K | 15.6% |
| 2 | $355.31 | 2,445 | $869K | 15.6% |
| 3 | $356.20 | 728 | $259K | 4.7% |
| 4 | $356.20 | 728 | $259K | 4.7% |
| 5 | $357.47 | 1,100 | $393K | 7.1% |
| 6 | $357.47 | 1,100 |
| $393K |
| 7.1% |
| 7 | $358.39 | 300 | $108K | 1.9% |
| 8 | $359.65 | 854 | $307K | 5.5% |
| 9 | $359.65 | 854 | $307K | 5.5% |
| 10 | $360.54 | 373 | $134K | 2.4% |
| 11 | $360.54 | 373 | $134K | 2.4% |
| 12 | $361.87 | 200 | $72K | 1.3% |
| 13 | $363.40 | 620 | $225K | 4.0% |
| 14 | $364.55 | 1,580 | $576K | 10.3% |
| 15 | $365.49 | 1,200 | $439K | 7.9% |
| 16 | $366.32 | 300 | $110K | 2.0% |
| 17 | $367.61 | 100 | $37K | 0.7% |
| 18 | $370.05 | 200 | $74K | 1.3% |
| Total | $359.11 avg | 15,500 | $5.6M | 100% |
| Filing → |
| DUOL | SELL | 2025-10-22 | $4.4M | — | Filing → |
| DUOL | SELL | 2025-10-07 | $5.3M | — | Filing → |
| DUOL | SELL | 2025-09-22 | $3.5M | — | Filing → |