USA - NASDAQ:DUOL - US26603R1068 - Common Stock
| Shares Outstanding | 45.82M |
| Float | 39.01M |
| Float Short Interest Percentage | 9.89% |
| Owners (insider) | 0.77% |
| Owners (institutional) | 100.56% |
| Owners (insider) change | -5.66% |
| Owners (institutional) change | 0.02% |
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Oct 20, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| Oct 20, 2025 | Hacker Severin | Open Market Sale | 10000 | 314.72 | $ 3,147,198.33 |
| Oct 6, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| Oct 6, 2025 | Hacker Severin | Open Market Sale | 10000 | 321.63 | $ 3,216,303.32 |
| Oct 1, 2025 | Glance Natalie | Open Market Sale | 3283 | 312.30 | $ 1,025,265.12 |
| Sep 19, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| Sep 19, 2025 | Hacker Severin | Open Market Sale | 10000 | 288.94 | $ 2,889,373.13 |
| Sep 18, 2025 | Chen Stephen C. | Option Excercise | 1700 | 14.42 | $ 24,514.00 |
| Sep 11, 2025 | Meese Robert | Option Excercise | 5000 | 8.15 | $ 40,750.00 |
| Sep 5, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| Sep 5, 2025 | Hacker Severin | Open Market Sale | 10000 | 268.55 | $ 2,685,461.75 |
| Aug 26, 2025 | Chen Stephen C. | Open Market Sale | 1515 | 321.36 | $ 486,860.40 |
| Aug 26, 2025 | Skaruppa Matthew | Option Excercise | 1378 | 14.42 | $ 19,870.76 |
| Aug 26, 2025 | Skaruppa Matthew | Open Market Sale | 10937 | 317.39 | $ 3,471,321.56 |
| Aug 20, 2025 | Hacker Severin | Other Disposition | 10000 | 0.00 | $ 0.00 |
| Aug 20, 2025 | Hacker Severin | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Aug 19, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| Aug 19, 2025 | Hacker Severin | Open Market Sale | 10000 | 344.56 | $ 3,445,587.09 |
| Aug 18, 2025 | Glance Natalie | Open Market Sale | 2471 | 367.09 | $ 907,091.17 |
| Aug 18, 2025 | Glance Natalie | Other Disposition | 187 | 0.00 | $ 0.00 |
| Aug 15, 2025 | Chen Stephen C. | Other Disposition | 750 | 0.00 | $ 0.00 |
| Aug 15, 2025 | Chen Stephen C. | Open Market Sale | 1282 | 329.03 | $ 421,816.46 |
| Aug 15, 2025 | Skaruppa Matthew | Open Market Sale | 2797 | 329.03 | $ 920,296.91 |
| Aug 15, 2025 | Glance Natalie | Open Market Sale | 2533 | 329.03 | $ 833,432.99 |
| Aug 15, 2025 | Meese Robert | Open Market Sale | 1444 | 329.03 | $ 475,119.32 |
| Aug 14, 2025 | Skaruppa Matthew | Other Disposition | 2522 | 0.00 | $ 0.00 |
| Aug 12, 2025 | Glance Natalie | Other Disposition | 2300 | 0.00 | $ 0.00 |
| Aug 5, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| Aug 5, 2025 | Hacker Severin | Open Market Sale | 10000 | 344.41 | $ 3,444,076.39 |
| Jul 7, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| Jul 7, 2025 | Hacker Severin | Open Market Sale | 10000 | 392.89 | $ 3,928,885.18 |
| Jul 1, 2025 | Glance Natalie | Open Market Sale | 2709 | 402.58 | $ 1,090,581.46 |
| Jun 20, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| Jun 20, 2025 | Hacker Severin | Open Market Sale | 10000 | 471.20 | $ 4,711,992.69 |
| Jun 13, 2025 | Shelton James H | Open Market Sale | 895 | 476.85 | $ 426,777.08 |
| Jun 6, 2025 | Hacker Severin | Other Aquisition | 60000 | 0.00 | $ 0.00 |
| Jun 6, 2025 | Hacker Severin | Other Disposition | 60000 | 0.00 | $ 0.00 |
| Jun 5, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| Jun 5, 2025 | Hacker Severin | Open Market Sale | 10000 | 525.10 | $ 5,251,038.75 |
| Jun 5, 2025 | von Ahn Luis | Other Aquisition | 5000 | 0.00 | $ 0.00 |
| Jun 5, 2025 | von Ahn Luis | Other Disposition | 5000 | 0.00 | $ 0.00 |
| May 19, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| May 19, 2025 | Hacker Severin | Open Market Sale | 10000 | 524.70 | $ 5,247,038.61 |
| May 16, 2025 | Skaruppa Matthew | Open Market Sale | 3573 | 528.35 | $ 1,887,802.30 |
| May 16, 2025 | Glance Natalie | Open Market Sale | 3267 | 528.37 | $ 1,726,185.67 |
| May 16, 2025 | Chen Stephen C. | Open Market Sale | 2635 | 526.94 | $ 1,388,480.36 |
| May 15, 2025 | Skaruppa Matthew | Open Market Sale | 3304 | 531.71 | $ 1,756,769.84 |
| May 15, 2025 | Meese Robert | Grant | 4354 | 0.00 | $ 0.00 |
| May 15, 2025 | Meese Robert | Open Market Sale | 1635 | 531.71 | $ 869,345.85 |
| May 15, 2025 | Chen Stephen C. | Grant | 5443 | 0.00 | $ 0.00 |
| May 15, 2025 | Chen Stephen C. | Open Market Sale | 1257 | 531.71 | $ 668,359.47 |
| May 15, 2025 | Glance Natalie | Grant | 8709 | 0.00 | $ 0.00 |
| May 15, 2025 | Glance Natalie | Open Market Sale | 3039 | 531.71 | $ 1,615,866.69 |
| May 15, 2025 | Skaruppa Matthew | Grant | 8709 | 0.00 | $ 0.00 |
| May 5, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| May 5, 2025 | Hacker Severin | Open Market Sale | 10000 | 495.95 | $ 4,959,527.17 |
| Apr 29, 2025 | Meese Robert | Open Market Sale | 5000 | 395.00 | $ 1,975,000.00 |
| Apr 23, 2025 | Meese Robert | Open Market Sale | 10000 | 367.65 | $ 3,676,456.27 |
| Apr 21, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| Apr 21, 2025 | Hacker Severin | Open Market Sale | 10000 | 314.36 | $ 3,143,600.87 |
| Apr 15, 2025 | von Ahn Luis | Other Aquisition | 8000 | 7.48 | $ 59,840.00 |
| Apr 15, 2025 | von Ahn Luis | Open Market Sale | 8000 | 327.41 | $ 2,619,252.09 |
| Apr 7, 2025 | Hacker Severin | Other Aquisition | 10000 | 38.08 | $ 380,800.00 |
| Apr 7, 2025 | Hacker Severin | Open Market Sale | 10000 | 292.43 | $ 2,924,302.34 |
| Apr 1, 2025 | Glance Natalie | Open Market Sale | 3482 | 319.59 | $ 1,112,804.93 |
| Mar 24, 2025 | Meese Robert | Open Market Sale | 5351 | 320.02 | $ 1,712,447.89 |
| Mar 20, 2025 | Munson Gillian | Option Excercise | 5000 | 8.15 | $ 40,750.00 |
| Mar 20, 2025 | Munson Gillian | Open Market Sale | 5000 | 310.00 | $ 1,550,000.00 |
| Mar 19, 2025 | Hacker Severin | Other Aquisition | 10000 | 37.48 | $ 374,837.68 |
| Mar 19, 2025 | Hacker Severin | Open Market Sale | 10000 | 298.25 | $ 2,982,514.63 |
| Mar 17, 2025 | Shelton James H | Option Excercise | 20000 | 22.91 | $ 458,200.00 |
| Mar 17, 2025 | Shelton James H | Open Market Sale | 20000 | 300.68 | $ 6,013,605.47 |
| Mar 17, 2025 | von Ahn Luis | Other Aquisition | 8000 | 7.48 | $ 59,840.00 |
| Mar 17, 2025 | von Ahn Luis | Open Market Sale | 8000 | 293.80 | $ 2,350,368.18 |
| Mar 5, 2025 | Glance Natalie | Open Market Sale | 9020 | 290.59 | $ 2,621,156.57 |
| Mar 5, 2025 | Hacker Severin | Other Aquisition | 10000 | 14.42 | $ 144,200.00 |
| Mar 5, 2025 | Hacker Severin | Open Market Sale | 10000 | 290.54 | $ 2,905,357.24 |
| Feb 24, 2025 | Glance Natalie | Option Excercise | 10181 | 2.23 | $ 22,703.63 |
| Feb 19, 2025 | Hacker Severin | Open Market Sale | 10000 | 433.94 | $ 4,339,354.06 |
| Feb 19, 2025 | Hacker Severin | Other Aquisition | 10000 | 14.42 | $ 144,200.00 |
| Feb 18, 2025 | Chen Stephen C. | Open Market Sale | 2064 | 435.12 | $ 898,091.44 |
| Feb 18, 2025 | Glance Natalie | Open Market Sale | 2667 | 435.28 | $ 1,160,891.76 |
| Feb 18, 2025 | Meese Robert | Open Market Sale | 1272 | 435.28 | $ 553,676.16 |
| Feb 18, 2025 | von Ahn Luis | Other Aquisition | 8000 | 7.48 | $ 59,840.00 |
| Feb 18, 2025 | von Ahn Luis | Open Market Sale | 8000 | 434.79 | $ 3,478,281.41 |
| Feb 18, 2025 | Skaruppa Matthew | Open Market Sale | 3284 | 435.28 | $ 1,429,459.52 |
| Feb 6, 2025 | Chen Stephen C. | Option Excercise | 1331 | 14.42 | $ 19,193.02 |
| Feb 5, 2025 | Hacker Severin | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Feb 5, 2025 | Hacker Severin | Open Market Sale | 10000 | 391.46 | $ 3,914,551.57 |
| Jan 21, 2025 | Hacker Severin | Other Aquisition | 10000 | 14.42 | $ 144,200.00 |
| Jan 21, 2025 | Hacker Severin | Open Market Sale | 10000 | 333.95 | $ 3,339,535.33 |
| Jan 15, 2025 | von Ahn Luis | Other Aquisition | 8000 | 7.48 | $ 59,840.00 |
| Jan 15, 2025 | von Ahn Luis | Open Market Sale | 8000 | 321.00 | $ 2,568,014.53 |
| Jan 13, 2025 | Skaruppa Matthew | Open Market Sale | 4464 | 313.55 | $ 1,399,697.76 |
| Jan 6, 2025 | Hacker Severin | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Jan 6, 2025 | Hacker Severin | Open Market Sale | 10000 | 336.23 | $ 3,362,317.71 |
| Jan 2, 2025 | Skaruppa Matthew | Option Excercise | 5000 | 14.42 | $ 72,100.00 |
| Jan 2, 2025 | Skaruppa Matthew | Open Market Sale | 5000 | 324.48 | $ 1,622,407.91 |
| Dec 19, 2024 | Hacker Severin | Other Aquisition | 10000 | 0.00 | $ 0.00 |
| Dec 19, 2024 | Hacker Severin | Open Market Sale | 10000 | 336.82 | $ 3,368,202.63 |
| Dec 19, 2024 | Chen Stephen C. | Option Excercise | 3700 | 14.42 | $ 53,354.00 |
| Dec 16, 2024 | Skaruppa Matthew | Open Market Sale | 14250 | 347.44 | $ 4,951,050.19 |
| Dec 13, 2024 | Hacker Severin | Other Aquisition | 43826 | 0.00 | $ 0.00 |
| Dec 13, 2024 | Hacker Severin | Open Market Sale | 43826 | 338.75 | $ 14,845,949.06 |
| Dec 13, 2024 | von Ahn Luis | Other Aquisition | 145241 | 0.00 | $ 0.00 |
| Dec 13, 2024 | von Ahn Luis | Open Market Sale | 145241 | 344.72 | $ 50,066,949.58 |
| Dec 12, 2024 | Hacker Severin | Other Aquisition | 41521 | 0.00 | $ 0.00 |
| Dec 12, 2024 | Hacker Severin | Open Market Sale | 41521 | 340.29 | $ 14,129,045.22 |
| Dec 12, 2024 | von Ahn Luis | Other Aquisition | 41759 | 0.00 | $ 0.00 |
| Dec 12, 2024 | von Ahn Luis | Open Market Sale | 41759 | 340.29 | $ 14,210,221.08 |
| Dec 11, 2024 | Hacker Severin | Open Market Sale | 188901 | 339.54 | $ 64,139,078.48 |
| Dec 11, 2024 | Hacker Severin | Other Aquisition | 188901 | 0.00 | $ 0.00 |
| Dec 6, 2024 | Glance Natalie | Open Market Sale | 1500 | 369.33 | $ 553,997.35 |
| Dec 5, 2024 | Ross Bonnie | Grant | 965 | 0.00 | $ 0.00 |
| Dec 2, 2024 | Skaruppa Matthew | Option Excercise | 8049 | 14.42 | $ 116,066.58 |
| Dec 2, 2024 | Skaruppa Matthew | Open Market Sale | 8049 | 346.18 | $ 2,786,371.15 |
| Nov 27, 2024 | Hacker Severin | Other Disposition | 3000 | 0.00 | $ 0.00 |
| Nov 18, 2024 | Chen Stephen C. | Open Market Sale | 2642 | 308.47 | $ 814,966.71 |
| Nov 18, 2024 | Skaruppa Matthew | Open Market Sale | 3591 | 308.88 | $ 1,109,204.94 |
| Nov 15, 2024 | Chen Stephen C. | Open Market Sale | 1249 | 309.30 | $ 386,315.70 |
| Nov 15, 2024 | Meese Robert | Open Market Sale | 1625 | 309.30 | $ 502,612.50 |
| Nov 15, 2024 | Skaruppa Matthew | Open Market Sale | 3285 | 309.30 | $ 1,016,050.50 |
| Nov 15, 2024 | Glance Natalie | Open Market Sale | 3021 | 309.30 | $ 934,395.30 |
| Nov 6, 2024 | Glance Natalie | Open Market Sale | 1500 | 313.36 | $ 470,042.94 |
| Nov 1, 2024 | Skaruppa Matthew | Option Excercise | 14000 | 14.42 | $ 201,880.00 |
| Nov 1, 2024 | Skaruppa Matthew | Open Market Sale | 14000 | 293.24 | $ 4,105,426.09 |