| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| DUOL | Chief Business Officer | May 16, 2022 | Sale | $90.97 | 188 | 17,102 | 225,129 | May 18, 2022, 05:10 PM |
| DUOL | Chief Business Officer | May 03, 2022 | Option Exercise | $14.06 | 4,644 | 65,280 | 198,081 | May 03, 2022, 07:21 PM |
| DUOL | Chief Business Officer | Apr 29, 2022 | Option Exercise | $8.15 | 15,356 | 125,151 | 193,437 | May 03, 2022, 07:21 PM |
| DUOL | Chief Business Officer | Feb 15, 2022 | Sale | $98.01 | 237 | 23,228 | 178,283 | Feb 24, 2022, 05:42 PM |
| DUOL | Chief Business Officer | Feb 15, 2022 | Sale | $98.01 | 237 | 23,229 | 178,081 | Feb 17, 2022, 07:20 PM |
| DUOL | Chief Business Officer | Nov 15, 2021 | Sale | $144.16 | 32,085 | 4,625,226 | 210,312 | Nov 17, 2021, 04:51 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| DUOL | Chief Business Officer | May 16, 2022 | Sale | 17,102 |
| DUOL | Chief Business Officer | May 03, 2022 | Option Exercise | 65,280 |
| DUOL | Chief Business Officer | Apr 29, 2022 | Option Exercise | 125,151 |
| DUOL | Chief Business Officer | Feb 15, 2022 | Sale | 23,228 |
| DUOL | Chief Business Officer | Feb 15, 2022 | Sale | 23,229 |
| DUOL | Chief Business Officer | Nov 15, 2021 | Sale | 4,625,226 |