| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| DUOL | Chief Tech Officer, Co-Founder | Aug 01, 2022 | Sale | $94.26 | 10,000 | 942,588 | 9,600 | Aug 02, 2022, 04:37 PM |
| DUOL | Chief Tech Officer, Co-Founder | Jul 01, 2022 | Sale | $91.22 | 10,000 | 912,240 | 9,700 | Jul 05, 2022, 04:39 PM |
| DUOL | Chief Tech Officer, Co-Founder | Jun 23, 2022 | Sale | $98.39 | 20,000 | 1,967,803 | 19,600 | Jun 27, 2022, 07:13 PM |
| DUOL | Chief Tech Officer, Co-Founder | Jun 16, 2022 | Sale | $91.36 | 20,000 | 1,827,204 | 18,212 | Jun 21, 2022, 04:28 PM |
| DUOL | Chief Tech Officer, Co-Founder | Jun 09, 2022 | Sale | $97.95 | 20,000 | 1,959,027 | 15,608 | Jun 13, 2022, 05:08 PM |
| DUOL | Chief Tech Officer, Co-Founder | Jun 01, 2022 | Sale | $82.92 | 20,000 | 1,658,303 | 17,941 | Jun 03, 2022, 04:14 PM |
| DUOL | Chief Technology Officer, | Dec 08, 2021 | Sale | $110.01 | 36 | 3,960 | 72 | Dec 10, 2021, 05:27 PM |
| DUOL | Chief Technology Officer, | Nov 15, 2021 | Sale | $144.41 | 30,000 | 4,332,421 | 27,546 | Nov 17, 2021, 04:51 PM |
| DUOL | Chief Technology Officer, | Jul 30, 2021 | Sale | $102.00 | 50,000 | 5,100,000 | 0 | Aug 02, 2021, 09:48 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| DUOL | Chief Tech Officer, Co-Founder | Aug 01, 2022 | Sale | 942,588 |
| DUOL | Chief Tech Officer, Co-Founder | Jul 01, 2022 | Sale | 912,240 |
| DUOL | Chief Tech Officer, Co-Founder | Jun 23, 2022 | Sale | 1,967,803 |
| DUOL | Chief Tech Officer, Co-Founder | Jun 16, 2022 | Sale | 1,827,204 |
| DUOL | Chief Tech Officer, Co-Founder | Jun 09, 2022 | Sale | 1,959,027 |
| DUOL | Chief Tech Officer, Co-Founder | Jun 01, 2022 | Sale | 1,658,303 |
| DUOL | Chief Technology Officer, | Dec 08, 2021 | Sale | 3,960 |
| DUOL | Chief Technology Officer, | Nov 15, 2021 | Sale | 4,332,421 |
| DUOL | Chief Technology Officer, | Jul 30, 2021 | Sale | 5,100,000 |