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| Latest Insider Trading | Top Insider Trading Recent Week | Top 10% Owner Trading Recent Week | Filter
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| Ticker | Owner | Relationship | Date | Transaction | Cost  |
#Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | May 05 '25 | Sale | 495.95 | 10,000 | 4,959,527 | 72 | May 07 04:06 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Apr 21 '25 | Sale | 314.36 | 10,000 | 3,143,601 | 72 | Apr 23 04:12 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Apr 07 '25 | Sale | 292.43 | 10,000 | 2,924,302 | 72 | Apr 09 04:07 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Mar 19 '25 | Sale | 298.25 | 10,000 | 2,982,515 | 72 | Mar 21 06:59 PM |
| DUOL | SEVERIN HACKER | Director | Mar 19 '25 | Proposed Sale | 288.81 | 60,000 | 17,328,600 | Mar 19 04:20 PM | |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Mar 05 '25 | Sale | 290.54 | 10,000 | 2,905,357 | 72 | Mar 06 08:54 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Feb 19 '25 | Sale | 433.94 | 10,000 | 4,339,354 | 72 | Feb 21 04:32 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Feb 05 '25 | Sale | 391.46 | 10,000 | 3,914,552 | 72 | Feb 06 07:27 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Jan 21 '25 | Sale | 333.95 | 10,000 | 3,339,535 | 72 | Jan 23 04:40 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Jan 06 '25 | Sale | 336.23 | 10,000 | 3,362,318 | 72 | Jan 07 04:06 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Dec 19 '24 | Sale | 336.82 | 10,000 | 3,368,203 | 72 | Dec 20 04:16 PM |
| DUOL | SEVERIN HACKER | Director | Dec 19 '24 | Proposed Sale | 332.81 | 60,000 | 19,968,600 | Dec 19 04:30 PM | |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Dec 13 '24 | Sale | 338.75 | 43,826 | 14,845,949 | 72 | Dec 16 04:20 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Dec 12 '24 | Sale | 340.29 | 41,521 | 14,129,045 | 72 | Dec 13 05:09 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Dec 11 '24 | Sale | 339.54 | 188,901 | 64,139,078 | 72 | Dec 13 04:04 PM |
| DUOL | SEVERIN HACKER | Director | Dec 11 '24 | Proposed Sale | 361.82 | 274,248 | 99,229,783 | Dec 11 04:57 PM | |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Aug 01 '24 | Sale | 166.49 | 10,000 | 1,664,920 | 0 | Aug 02 04:34 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Jul 01 '24 | Sale | 198.61 | 10,000 | 1,986,075 | 0 | Jul 02 04:58 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Jun 03 '24 | Sale | 196.39 | 10,000 | 1,963,871 | 0 | Jun 05 04:32 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | May 01 '24 | Sale | 223.47 | 10,000 | 2,234,653 | 0 | May 03 07:39 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Apr 01 '24 | Sale | 218.42 | 10,000 | 2,184,156 | 0 | Apr 02 04:30 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Mar 01 '24 | Sale | 235.13 | 10,000 | 2,351,325 | 0 | Mar 04 04:40 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Feb 01 '24 | Sale | 178.62 | 10,000 | 1,786,247 | 0 | Feb 05 04:17 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Jan 02 '24 | Sale | 214.25 | 10,000 | 2,142,456 | 0 | Jan 03 04:52 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Dec 01 '23 | Sale | 212.87 | 10,000 | 2,128,662 | 0 | Dec 04 04:10 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Nov 01 '23 | Sale | 146.57 | 10,000 | 1,465,700 | 0 | Nov 02 04:29 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Oct 02 '23 | Sale | 165.26 | 10,000 | 1,652,569 | 0 | Oct 05 04:14 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Sep 01 '23 | Sale | 148.80 | 10,000 | 1,487,982 | 0 | Sep 06 08:43 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | May 01 '23 | Sale | 138.35 | 10,000 | 1,383,485 | 0 | May 02 07:34 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Apr 03 '23 | Sale | 142.26 | 10,000 | 1,422,555 | 0 | Apr 04 04:20 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Mar 01 '23 | Sale | 108.22 | 10,000 | 1,082,165 | 0 | Mar 02 09:50 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Feb 01 '23 | Sale | 95.59 | 10,000 | 955,859 | 0 | Feb 02 08:06 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Jan 09 '23 | Sale | 75.05 | 2,800 | 210,146 | 0 | Jan 11 04:44 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Jan 10 '23 | Sale | 75.07 | 7,200 | 540,534 | 0 | Jan 11 04:44 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Dec 14 '22 | Sale | 75.50 | 10,000 | 755,032 | 0 | Dec 15 04:44 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Nov 01 '22 | Sale | 81.81 | 10,000 | 818,110 | 0 | Nov 02 04:52 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Oct 03 '22 | Sale | 96.54 | 10,000 | 965,418 | 0 | Oct 04 04:46 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Sep 01 '22 | Sale | 92.09 | 10,000 | 920,896 | 0 | Sep 06 08:20 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Aug 01 '22 | Option Exercise | 0.00 | 10,000 | 0 | 10,000 | Aug 02 04:37 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Aug 01 '22 | Sale | 94.26 | 10,000 | 942,588 | 0 | Aug 02 04:37 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Jul 01 '22 | Sale | 91.22 | 10,000 | 912,240 | 0 | Jul 05 04:39 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Jun 23 '22 | Sale | 98.39 | 20,000 | 1,967,803 | 0 | Jun 27 07:13 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Jun 16 '22 | Sale | 91.36 | 20,000 | 1,827,204 | 0 | Jun 21 04:28 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Jun 09 '22 | Sale | 97.95 | 20,000 | 1,959,027 | 0 | Jun 13 05:08 PM |
| DUOL | Hacker Severin | Chief Tech Officer, Co-Founder | Jun 01 '22 | Sale | 82.92 | 20,000 | 1,658,303 | 0 | Jun 03 04:14 PM |
| DUOL | Hacker Severin | Chief Technology Officer, | Dec 08 '21 | Option Exercise | 0.00 | 108 | 0 | 108 | Dec 10 05:27 PM |
| DUOL | Hacker Severin | Chief Technology Officer, | Dec 08 '21 | Sale | 110.01 | 36 | 3,960 | 72 | Dec 10 05:27 PM |
| DUOL | Hacker Severin | Chief Technology Officer, | Nov 15 '21 | Sale | 144.41 | 30,000 | 4,332,421 | 0 | Nov 17 04:51 PM |
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