Severin Hacker, Chief Technology Officer, Co-Founder at Duolingo, Inc. (DUOL), sold 12,200 shares at $286.77 ($3.5M) on 2025-09-19, disclosed to the SEC on 2025-09-22.
Scheduled sale ($3.5M) 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 | $286.77 | 1,300 | $373K | 10.6% |
| 2 | $287.81 | 2,300 | $662K | 18.8% |
| 3 | $288.81 | 2,300 | $664K | 18.8% |
| 4 | $289.79 | 1,900 | $551K | 15.6% |
| 5 | $290.78 | 2,200 | $640K | 18.1% |
| 6 | $290.78 | 2,200 |
| $640K |
| 18.1% |
| Total | $289.27 avg | 12,200 | $3.5M | 100% |
| Filing → |
| DUOL | SELL | 2025-10-22 | $4.4M | — | Filing → |
| DUOL | SELL | 2025-10-07 | $5.3M | — | Filing → |
| DUOL | SELL | 2025-09-09 | $4.2M | — | Filing → |