The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Chen Stephen C. since 2021.
This trader's CIK number is 1869758.
At the time of last reporting, Chen Stephen C. was the General Counsel of Duolingo, Inc.. (stock ticker symbol DUOL).
Also see all insider trading activities at Duolingo, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | DUOL | 0 | $0 | 8,753 | $3,867,336 | 1,331 | $19,193 |
| 2024 | DUOL | 0 | $0 | 45,331 | $9,292,046 | 37,797 | $545,032 |
| 2023 | DUOL | 0 | $0 | 37,296 | $5,357,590 | 34,167 | $492,686 |
| 2022 | DUOL | 0 | $0 | 42,193 | $4,320,053 | 45,000 | $648,898 |
| 2021 | DUOL | 0 | $0 | 17,840 | $2,558,684 | 18,043 | $130,090 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-26 | DUOL | Sale | 1,515 | 321.36 | 486,860 |
| 2025-08-15 | DUOL | Sale | 1,282 | 329.03 | 421,816 |
| 2025-05-16 | DUOL | Sale | 2,635 | 528.34 | 1,392,173 |
| 2025-05-15 | DUOL | Sale | 1,257 | 531.71 | 668,359 |
| 2025-02-18 | DUOL | Sale | 2,064 | 435.14 | 898,128 |
| 2025-02-06 | DUOL | Option Ex | 1,331 | 14.42 | 19,193 |
| 2024-12-19 | DUOL | Option Ex | 3,700 | 14.42 | 53,354 |
| 2024-11-18 | DUOL | Sale | 2,642 | 309.26 | 817,067 |
| 2024-08-30 | DUOL | Sale | 19,464 | 211.07 | 4,108,285 |
| 2024-08-30 | DUOL | Option Ex | 7,382 | 14.42 | 106,448 |
| 2024-08-15 | DUOL | Sale | 1,249 | 199.50 | 249,175 |
| 2024-06-28 | DUOL | Option Ex | 6,715 | 14.42 | 96,830 |
| 2024-05-15 | DUOL | Sale | 988 | .00 | 0 |
| 2024-02-15 | DUOL | Sale | 988 | .00 | 0 |
| 2024-02-09 | DUOL | Option Ex | 2,000 | 14.42 | 28,840 |
| 2024-02-09 | DUOL | Sale | 2,000 | 190.00 | 380,000 |
| 2024-01-04 | DUOL | Sale | 18,000 | 207.64 | 3,737,519 |
| 2024-01-04 | DUOL | Option Ex | 18,000 | 14.42 | 259,560 |
| 2023-11-15 | DUOL | Sale | 988 | 209.78 | 207,262 |
| 2023-09-08 | DUOL | Sale | 5,325 | 160.08 | 852,436 |
| 2023-09-11 | DUOL | Option Ex | 8,842 | 14.42 | 127,501 |
| 2023-09-11 | DUOL | Sale | 8,842 | 160.69 | 1,420,803 |
| 2023-09-08 | DUOL | Option Ex | 5,325 | 14.42 | 76,786 |
| 2023-08-15 | DUOL | Sale | 988 | 132.44 | 130,850 |
| 2023-05-15 | DUOL | Sale | 669 | 140.83 | 94,215 |
| 2023-03-21 | DUOL | Option Ex | 9,252 | 14.42 | 133,413 |
| 2023-03-21 | DUOL | Sale | 9,252 | 130.43 | 1,206,738 |
| 2023-03-07 | DUOL | Option Ex | 10,748 | 14.42 | 154,986 |
| 2023-03-07 | DUOL | Sale | 10,748 | 130.10 | 1,398,368 |
| 2023-02-15 | DUOL | Sale | 484 | 96.94 | 46,918 |
| 2022-11-15 | DUOL | Sale | 674 | 74.31 | 50,084 |
| 2022-11-15 | DUOL | Sale | 674 | 74.31 | 50,084 |
| 2022-08-15 | DUOL | Sale | 673 | 106.37 | 71,587 |
| 2022-06-24 | DUOL | Sale | 25,358 | 103.97 | 2,636,471 |
| 2022-06-24 | DUOL | Option Ex | 25,358 | 14.42 | 365,662 |
| 2022-06-21 | DUOL | Option Ex | 10,535 | 14.42 | 151,914 |
| 2022-06-21 | DUOL | Sale | 10,535 | 102.14 | 1,076,076 |
| 2022-06-08 | DUOL | Option Ex | 4,007 | 14.42 | 57,780 |
| 2022-06-09 | DUOL | Option Ex | 100 | 14.42 | 1,442 |
| 2022-06-08 | DUOL | Sale | 4,007 | 102.12 | 409,210 |
| 2022-06-09 | DUOL | Sale | 100 | 102.12 | 10,212 |
| 2022-05-16 | DUOL | Sale | 75 | 90.97 | 6,822 |
| 2022-02-28 | DUOL | Option Ex | 5,000 | 14.42 | 72,100 |
| 2022-02-15 | DUOL | Sale | 97 | 98.01 | 9,507 |
| 2021-11-15 | DUOL | Sale | 17,840 | 143.42 | 2,558,684 |
| 2021-11-15 | DUOL | Option Ex | 18,043 | 7.21 | 130,090 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Chen Stephen C. (General Counsel of Duolingo, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.