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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| DUOL | Skaruppa Matthew | Chief Financial Officer | Feb 18 '26 | Sale | 113.52 | 3,986 | 452,492 | 31,631 | Feb 20 |
| DUOL | Skaruppa Matthew | Chief Financial Officer | Feb 17 '26 | Sale | 110.06 | 1,870 | 205,812 | 35,617 | Feb 20 |
| DUOL | Skaruppa Matthew | Chief Financial Officer | Nov 18 '25 | Sale | 175.76 | 3,059 | 537,642 | 37,487 | Nov 19 |
| DUOL | Skaruppa Matthew | Chief Financial Officer | Nov 17 '25 | Sale | 177.95 | 2,799 | 498,082 | 40,546 | Nov 19 |
| DUOL | Skaruppa Matthew | Chief Financial Officer | Aug 26 '25 | Sale | 317.39 | 10,937 | 3,471,320 | 43,345 | Aug 28 |
| DUOL | Skaruppa Matthew | Chief Financial Officer | Aug 26 '25 | Option Exercise | 14.42 | 1,378 | 19,871 | 54,282 | Aug 28 |
| DUOL | Skaruppa Matthew | Chief Financial Officer | Aug 15 '25 | Sale | 329.03 | 2,797 | 920,297 | 52,904 | Aug 18 |
| DUOL | Skaruppa Matthew | Chief Financial Officer | May 16 '25 | Sale | 528.35 | 3,573 | 1,887,802 | 58,223 | May 19 |
| DUOL | Skaruppa Matthew | Chief Financial Officer | May 15 '25 | Sale | 531.71 | 3,304 | 1,756,770 | 61,796 | May 16 |