Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Duolingo, Inc. (DUOL) since 2021 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Duolingo, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1562088.
Total stock buying since 2021: $188,753,778.
Total stock sales since 2021: $855,505,100.
Total stock option exercises since 2021: $8,984,292.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 312,137 | $117,192,906 | 32,709 | $610,113 |
| 2024 | 0 | $0 | 937,051 | $261,369,325 | 215,832 | $2,920,840 |
| 2023 | 0 | $0 | 1,167,582 | $179,687,506 | 207,417 | $2,673,784 |
| 2022 | 2,123,836 | $185,105,905 | 733,792 | $63,880,534 | 180,032 | $2,341,014 |
| 2021 | 34,862 | $3,647,873 | 2,033,740 | $233,374,829 | 132,417 | $438,541 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-08 | 0 | $0 | 42,979 | $14,467,771 | 1,378 | $19,870 |
| 2025-07 | 0 | $0 | 22,709 | $8,639,092 | 0 | $0 |
| 2025-06 | 0 | $0 | 20,895 | $10,404,637 | 0 | $0 |
| 2025-05 | 0 | $0 | 38,710 | $20,113,392 | 0 | $0 |
| 2025-04 | 0 | $0 | 46,482 | $15,442,501 | 0 | $0 |
| 2025-03 | 0 | $0 | 62,020 | $18,419,744 | 25,000 | $498,950 |
| 2025-02 | 0 | $0 | 40,878 | $17,383,562 | 1,331 | $19,193 |
| 2025-01 | 0 | $0 | 37,464 | $12,322,207 | 5,000 | $72,100 |
| 2024-12 | 0 | $0 | 495,047 | $167,973,146 | 11,749 | $169,420 |
| 2024-11 | 0 | $0 | 20,233 | $6,050,825 | 14,000 | $201,880 |
| 2024-10 | 0 | $0 | 15,500 | $4,359,201 | 14,000 | $201,880 |
| 2024-09 | 0 | $0 | 35,319 | $8,447,667 | 14,000 | $201,880 |
| 2024-08 | 0 | $0 | 55,734 | $11,170,314 | 29,382 | $423,688 |
| 2024-07 | 0 | $0 | 19,500 | $3,901,151 | 8,000 | $115,360 |
| 2024-06 | 0 | $0 | 30,500 | $6,052,629 | 33,737 | $504,987 |
| 2024-05 | 0 | $0 | 41,339 | $7,616,271 | 18,000 | $137,660 |
| 2024-04 | 0 | $0 | 31,500 | $6,882,531 | 8,000 | $115,360 |
| 2024-03 | 0 | $0 | 82,500 | $17,837,013 | 15,000 | $244,050 |
| 2024-02 | 0 | $0 | 30,379 | $4,352,672 | 19,500 | $165,385 |
| 2024-01 | 0 | $0 | 79,500 | $16,725,905 | 30,464 | $439,290 |
| 2023-12 | 0 | $0 | 53,000 | $11,383,525 | 22,250 | $320,845 |
| 2023-11 | 0 | $0 | 206,176 | $40,056,261 | 8,000 | $115,360 |
| 2023-10 | 0 | $0 | 128,609 | $21,041,835 | 23,000 | $148,810 |
| 2023-09 | 0 | $0 | 148,337 | $23,905,739 | 26,167 | $377,327 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-26 | Chen Stephen C. (General Counsel) | Sale | 1,515 | 321.36 | 486,860 |
| 2025-08-26 | Skaruppa Matthew (Chief Financial Officer) | Sale | 10,937 | 316.67 | 3,463,408 |
| 2025-08-26 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 1,378 | 14.42 | 19,870 |
| 2025-08-19 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 349.14 | 3,491,370 |
| 2025-08-18 | Glance Natalie (Chief Engineering Officer) | Sale | 2,471 | 367.31 | 907,620 |
| 2025-08-15 | Glance Natalie (Chief Engineering Officer) | Sale | 2,533 | 329.03 | 833,432 |
| 2025-08-15 | Chen Stephen C. (General Counsel) | Sale | 1,282 | 329.03 | 421,816 |
| 2025-08-15 | Skaruppa Matthew (Chief Financial Officer) | Sale | 2,797 | 329.03 | 920,296 |
| 2025-08-15 | Meese Robert (Chief Business Officer) | Sale | 1,444 | 329.03 | 475,119 |
| 2025-08-05 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 346.79 | 3,467,850 |
| 2025-07-21 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 362.07 | 3,620,659 |
| 2025-07-07 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 392.48 | 3,924,780 |
| 2025-07-01 | Glance Natalie (Chief Engineering Officer) | Sale | 2,709 | 403.71 | 1,093,653 |
| 2025-06-20 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 472.52 | 4,725,220 |
| 2025-06-13 | Shelton James H (Director) | Sale | 895 | 476.85 | 426,777 |
| 2025-06-05 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 525.26 | 5,252,640 |
| 2025-05-19 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 524.29 | 5,242,900 |
| 2025-05-16 | Glance Natalie (Chief Engineering Officer) | Sale | 3,267 | 528.84 | 1,727,707 |
| 2025-05-16 | Chen Stephen C. (General Counsel) | Sale | 2,635 | 528.34 | 1,392,173 |
| 2025-05-16 | Skaruppa Matthew (Chief Financial Officer) | Sale | 3,573 | 528.90 | 1,889,773 |
| 2025-05-15 | Glance Natalie (Chief Engineering Officer) | Sale | 3,039 | 531.71 | 1,615,866 |
| 2025-05-15 | Chen Stephen C. (General Counsel) | Sale | 1,257 | 531.71 | 668,359 |
| 2025-05-15 | Skaruppa Matthew (Chief Financial Officer) | Sale | 3,304 | 531.71 | 1,756,769 |
| 2025-05-15 | Meese Robert (Chief Business Officer) | Sale | 1,635 | 531.71 | 869,345 |
| 2025-05-05 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 495.05 | 4,950,500 |
| 2025-04-29 | Meese Robert (Chief Business Officer) | Sale | 5,000 | 395.00 | 1,975,000 |
| 2025-04-23 | Meese Robert (Chief Business Officer) | Sale | 10,000 | 365.76 | 3,657,580 |
| 2025-04-21 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 316.05 | 3,160,490 |
| 2025-04-15 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 8,000 | 327.82 | 2,622,576 |
| 2025-04-07 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 291.95 | 2,919,520 |
| 2025-04-01 | Glance Natalie (Chief Engineering Officer) | Sale | 3,482 | 318.02 | 1,107,335 |
| 2025-03-20 | Munson Gillian (Director) | Sale | 5,000 | 310.00 | 1,550,000 |
| 2025-03-20 | Munson Gillian (Director) | Option Ex | 5,000 | 8.15 | 40,750 |
| 2025-03-19 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 297.46 | 2,974,560 |
| 2025-03-17 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 8,000 | 293.64 | 2,349,136 |
| 2025-03-17 | Shelton James H (Director) | Sale | 20,000 | 300.86 | 6,017,240 |
| 2025-03-17 | Shelton James H (Director) | Option Ex | 20,000 | 22.91 | 458,200 |
| 2025-03-05 | Glance Natalie (Chief Engineering Officer) | Sale | 9,020 | 290.54 | 2,620,688 |
| 2025-03-05 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 290.81 | 2,908,120 |
| 2025-02-19 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 434.46 | 4,344,570 |
| 2025-02-19 | Skaruppa Matthew (Chief Financial Officer) | Sale | 3,591 | 432.81 | 1,554,224 |
| 2025-02-18 | Glance Natalie (Chief Engineering Officer) | Sale | 2,667 | 435.28 | 1,160,891 |
| 2025-02-18 | Chen Stephen C. (General Counsel) | Sale | 2,064 | 435.14 | 898,128 |
| 2025-02-18 | Skaruppa Matthew (Chief Financial Officer) | Sale | 3,284 | 435.28 | 1,429,459 |
| 2025-02-18 | Meese Robert (Chief Business Officer) | Sale | 1,272 | 435.28 | 553,676 |
| 2025-02-18 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 8,000 | 435.22 | 3,481,784 |
| 2025-02-06 | Chen Stephen C. (General Counsel) | Option Ex | 1,331 | 14.42 | 19,193 |
| 2025-02-05 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 396.08 | 3,960,830 |
| 2025-01-21 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 334.39 | 3,343,870 |
| 2025-01-15 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 8,000 | 320.88 | 2,567,032 |
| 2025-01-13 | Skaruppa Matthew (Chief Financial Officer) | Sale | 4,464 | 312.49 | 1,394,950 |
| 2025-01-06 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 339.28 | 3,392,820 |
| 2025-01-02 | Skaruppa Matthew (Chief Financial Officer) | Sale | 5,000 | 324.71 | 1,623,535 |
| 2025-01-02 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 5,000 | 14.42 | 72,100 |
| 2024-12-19 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 338.60 | 3,386,000 |
| 2024-12-19 | Chen Stephen C. (General Counsel) | Option Ex | 3,700 | 14.42 | 53,354 |
| 2024-12-16 | Skaruppa Matthew (Chief Financial Officer) | Sale | 14,250 | 345.02 | 4,916,492 |
| 2024-12-16 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 99,396 | 345.21 | 34,312,691 |
| 2024-12-13 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 43,826 | 339.80 | 14,891,855 |
| 2024-12-13 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 45,845 | 339.17 | 15,549,432 |
| 2024-12-12 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 41,521 | 340.87 | 14,153,055 |
| 2024-12-12 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 41,759 | 340.74 | 14,229,003 |
| 2024-12-11 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 188,901 | 334.58 | 63,202,307 |
| 2024-12-06 | Glance Natalie (Chief Engineering Officer) | Sale | 1,500 | 369.88 | 554,827 |
| 2024-12-02 | Skaruppa Matthew (Chief Financial Officer) | Sale | 8,049 | 345.07 | 2,777,484 |
| 2024-12-02 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 8,049 | 14.42 | 116,066 |
| 2024-11-18 | Chen Stephen C. (General Counsel) | Sale | 2,642 | 309.26 | 817,067 |
| 2024-11-18 | Skaruppa Matthew (Chief Financial Officer) | Sale | 3,591 | 309.37 | 1,110,954 |
| 2024-11-01 | Skaruppa Matthew (Chief Financial Officer) | Sale | 14,000 | 294.49 | 4,122,804 |
| 2024-11-01 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 14,000 | 14.42 | 201,880 |
| 2024-10-07 | Glance Natalie (Chief Engineering Officer) | Sale | 1,500 | 280.91 | 421,365 |
| 2024-10-01 | Skaruppa Matthew (Chief Financial Officer) | Sale | 14,000 | 281.27 | 3,937,836 |
| 2024-10-01 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 14,000 | 14.42 | 201,880 |
| 2024-09-25 | Meese Robert (Chief Business Officer) | Sale | 5,000 | 285.02 | 1,425,105 |
| 2024-09-20 | Meese Robert (Chief Business Officer) | Sale | 5,000 | 270.00 | 1,350,000 |
| 2024-09-18 | Meese Robert (Chief Business Officer) | Sale | 5,000 | 255.00 | 1,275,000 |
| 2024-09-17 | Meese Robert (Chief Business Officer) | Sale | 4,819 | 240.02 | 1,156,646 |
| 2024-09-06 | Glance Natalie (Chief Engineering Officer) | Sale | 1,500 | 208.01 | 312,018 |
| 2024-09-03 | Skaruppa Matthew (Chief Financial Officer) | Sale | 14,000 | 209.21 | 2,928,898 |
| 2024-09-03 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 14,000 | 14.42 | 201,880 |
| 2024-08-30 | Chen Stephen C. (General Counsel) | Sale | 19,464 | 211.07 | 4,108,285 |
| 2024-08-30 | Chen Stephen C. (General Counsel) | Option Ex | 7,382 | 14.42 | 106,448 |
| 2024-08-21 | Skaruppa Matthew (Chief Financial Officer) | Sale | 17,591 | 206.82 | 3,638,117 |
| 2024-08-21 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 14,000 | 14.42 | 201,880 |
| 2024-08-15 | Glance Natalie (Chief Engineering Officer) | Sale | 3,022 | 199.50 | 602,889 |
| 2024-08-15 | Chen Stephen C. (General Counsel) | Sale | 1,249 | 199.50 | 249,175 |
| 2024-08-15 | Skaruppa Matthew (Chief Financial Officer) | Sale | 3,284 | 199.50 | 655,158 |
| 2024-08-15 | Meese Robert (Chief Business Officer) | Sale | 1,624 | 199.50 | 323,988 |
| 2024-08-06 | Glance Natalie (Chief Engineering Officer) | Sale | 1,500 | 161.78 | 242,670 |
| 2024-08-01 | Skaruppa Matthew (Chief Financial Officer) | Sale | 8,000 | 168.75 | 1,350,032 |
| 2024-08-01 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 8,000 | 14.42 | 115,360 |
| 2024-07-08 | Glance Natalie (Chief Engineering Officer) | Sale | 1,500 | 195.81 | 293,721 |
| 2024-07-01 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 200.41 | 2,004,070 |
| 2024-07-01 | Skaruppa Matthew (Chief Financial Officer) | Sale | 8,000 | 200.42 | 1,603,360 |
| 2024-07-01 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 8,000 | 14.42 | 115,360 |
| 2024-06-28 | Chen Stephen C. (General Counsel) | Option Ex | 6,715 | 14.42 | 96,830 |
| 2024-06-28 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 1,000 | 215.00 | 215,000 |
| 2024-06-14 | Clemens Sara (Director) | Sale | 10,000 | 200.61 | 2,006,060 |
| 2024-06-14 | Clemens Sara (Director) | Option Ex | 10,000 | 16.27 | 162,700 |
| 2024-06-12 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 9,022 | 14.42 | 130,097 |
| 2024-06-06 | Glance Natalie (Chief Engineering Officer) | Sale | 1,500 | 193.79 | 290,679 |
| 2024-06-03 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 196.76 | 1,967,610 |
| 2024-06-03 | Skaruppa Matthew (Chief Financial Officer) | Sale | 8,000 | 196.66 | 1,573,280 |
| 2024-06-03 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 8,000 | 14.42 | 115,360 |
| 2024-05-20 | Glance Natalie (Chief Engineering Officer) | Option Ex | 10,000 | 2.23 | 22,300 |
| 2024-05-17 | Skaruppa Matthew (Chief Financial Officer) | Sale | 2,698 | 177.82 | 479,769 |
| 2024-05-15 | Glance Natalie (Chief Engineering Officer) | Sale | 2,458 | .00 | 0 |
| 2024-05-15 | Chen Stephen C. (General Counsel) | Sale | 988 | .00 | 0 |
| 2024-05-15 | Skaruppa Matthew (Chief Financial Officer) | Sale | 2,469 | .00 | 0 |
| 2024-05-15 | Meese Robert (Chief Business Officer) | Sale | 1,226 | .00 | 0 |
| 2024-05-06 | Glance Natalie (Chief Engineering Officer) | Sale | 1,500 | 247.05 | 370,572 |
| 2024-05-01 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 225.44 | 2,254,390 |
| 2024-05-01 | Skaruppa Matthew (Chief Financial Officer) | Sale | 8,000 | 225.18 | 1,801,472 |
| 2024-05-01 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 8,000 | 14.42 | 115,360 |
| 2024-05-01 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 12,000 | 225.84 | 2,710,068 |
| 2024-04-08 | Glance Natalie (Chief Engineering Officer) | Sale | 1,500 | 215.35 | 323,025 |
| 2024-04-01 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 218.65 | 2,186,510 |
| 2024-04-01 | Skaruppa Matthew (Chief Financial Officer) | Sale | 8,000 | 218.55 | 1,748,368 |
| 2024-04-01 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 8,000 | 14.42 | 115,360 |
| 2024-04-01 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 12,000 | 218.72 | 2,624,628 |
| 2024-03-11 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 22,023 | 219.19 | 4,827,199 |
| 2024-03-08 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 18,004 | 215.79 | 3,885,137 |
| 2024-03-07 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 100 | 215.00 | 21,500 |
| 2024-03-06 | Glance Natalie (Chief Engineering Officer) | Sale | 1,500 | 215.07 | 322,605 |
| 2024-03-06 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 2,273 | 216.39 | 491,847 |
| 2024-03-05 | Von Ahn Luis (President & CEO, Co-Founder) | Sale | 13,600 | 208.38 | 2,833,940 |
| 2024-03-05 | Bohutinsky Amy (Director) | Sale | 15,000 | 207.14 | 3,107,055 |
| 2024-03-05 | Bohutinsky Amy (Director) | Option Ex | 15,000 | 16.27 | 244,050 |
| 2024-03-01 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 234.77 | 2,347,730 |
| 2024-02-20 | Skaruppa Matthew (Chief Financial Officer) | Sale | 2,698 | 179.51 | 484,328 |
| 2024-02-15 | Glance Natalie (Chief Engineering Officer) | Sale | 1,683 | .00 | 0 |
| 2024-02-15 | Chen Stephen C. (General Counsel) | Sale | 988 | .00 | 0 |
| 2024-02-15 | Skaruppa Matthew (Chief Financial Officer) | Sale | 2,467 | .00 | 0 |
| 2024-02-15 | Meese Robert (Chief Business Officer) | Sale | 1,043 | .00 | 0 |
| 2024-02-09 | Chen Stephen C. (General Counsel) | Sale | 2,000 | 190.00 | 380,000 |
| 2024-02-09 | Chen Stephen C. (General Counsel) | Option Ex | 2,000 | 14.42 | 28,840 |
| 2024-02-06 | Glance Natalie (Chief Engineering Officer) | Sale | 1,500 | 181.27 | 271,906 |
| 2024-02-01 | Glance Natalie (Chief Engineering Officer) | Option Ex | 9,500 | 2.23 | 21,185 |
| 2024-02-01 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 178.69 | 1,786,910 |
| 2024-02-01 | Skaruppa Matthew (Chief Financial Officer) | Sale | 8,000 | 178.69 | 1,429,528 |
| 2024-02-01 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 8,000 | 14.42 | 115,360 |
| 2024-01-11 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 4,464 | 14.42 | 64,370 |
| 2024-01-08 | Glance Natalie (Chief Engineering Officer) | Sale | 43,500 | 209.54 | 9,115,120 |
| 2024-01-04 | Chen Stephen C. (General Counsel) | Sale | 18,000 | 207.64 | 3,737,519 |
| 2024-01-04 | Chen Stephen C. (General Counsel) | Option Ex | 18,000 | 14.42 | 259,560 |
| 2024-01-02 | Hacker Severin (Chief Tech Officer, Co-Founder) | Sale | 10,000 | 215.06 | 2,150,610 |
| 2024-01-02 | Skaruppa Matthew (Chief Financial Officer) | Sale | 8,000 | 215.33 | 1,722,656 |
| 2024-01-02 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 8,000 | 14.42 | 115,360 |
| 2023-12-15 | Skaruppa Matthew (Chief Financial Officer) | Option Ex | 14,250 | 14.42 | 205,485 |
| 2023-12-11 | Meese Robert (Chief Business Officer) | Sale | 35,000 | 216.22 | 7,567,735 |
Insider trading activities including stock purchases, stock sales, and option exercises of DUOL listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Duolingo, Inc. (symbol DUOL, CIK number 1562088) see the Securities and Exchange Commission (SEC) website.