Stock chart
Ticker: DUOL Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-04-30 2025-04-29 PS Planned sale

Meese Robert

Chief Business Officer

Officer
1,000 -4.0%
395.00
USD 1,975,000
1,000 -4.0% 395.00 USD 100,000
2025-04-24 2025-04-23 PS Planned sale

Meese Robert

Chief Business Officer

Officer
1,000 -4.3%
370.00
USD 2,035,000
1,000 -4.3% 370.00 USD 100,000
2025-04-24 2025-04-23 PS Planned sale

Meese Robert

Chief Business Officer

Officer
1,000 -0.5%
368.03
USD 220,818
1,000 -0.5% 368.03 USD 100,000
2025-04-24 2025-04-23 PS Planned sale

Meese Robert

Chief Business Officer

Officer
1,000 -0.5%
365.55
USD 219,330
1,000 -0.5% 365.55 USD 100,000
2025-04-24 2025-04-23 PS Planned sale

Meese Robert

Chief Business Officer

Officer
1,000 -1.6%
364.63
USD 765,730
1,000 -1.6% 364.63 USD 100,000
2025-04-24 2025-04-23 PS Planned sale

Meese Robert

Chief Business Officer

Officer
1,000 -0.2%
363.53
USD 108,333
1,000 -0.2% 363.53 USD 100,000
2025-04-24 2025-04-23 PS Planned sale

Meese Robert

Chief Business Officer

Officer
1,000 -0.7%
362.80
USD 327,245
1,000 -0.7% 362.80 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -84.7%
323.88
USD 129,551
1,000 -84.7% 323.88 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -34.1%
321.10
USD 78,349
1,000 -34.1% 321.10 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -33.2%
320.03
USD 113,932
1,000 -33.2% 320.03 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -8.5%
318.85
USD 31,885
1,000 -8.5% 318.85 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -17.4%
317.80
USD 78,495
1,000 -17.4% 317.80 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -17.4%
317.24
USD 94,854
1,000 -17.4% 317.24 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -54.5%
316.08
USD 650,174
1,000 -54.5% 316.08 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -24.1%
314.92
USD 376,961
1,000 -24.1% 314.92 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -15.3%
313.86
USD 282,475
1,000 -15.3% 313.86 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -15.8%
312.74
USD 344,017
1,000 -15.8% 312.74 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -11.4%
311.84
USD 280,657
1,000 -11.4% 311.84 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -11.3%
310.58
USD 310,577
1,000 -11.3% 310.58 USD 100,000
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -11.9%
309.73
USD 371,674
1,000 -11.9% 309.73 USD 100,000
2025-04-17 2025-04-15 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Large shareholder
200 -100.0%
330.90
USD 66,179
200 -100.0% 330.90 USD 66,179
2025-04-17 2025-04-15 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Large shareholder
400 -66.7%
330.15
USD 132,060
400 -66.7% 330.15 USD 132,060
2025-04-17 2025-04-15 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Large shareholder
2,313 -79.4%
328.72
USD 760,325
2,313 -79.4% 328.72 USD 760,325
2025-04-17 2025-04-15 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Large shareholder
1,600 -35.5%
327.77
USD 524,439
1,600 -35.5% 327.77 USD 524,439
2025-04-17 2025-04-15 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Large shareholder
1,119 -19.9%
326.59
USD 365,457
1,119 -19.9% 326.59 USD 365,457
2025-04-17 2025-04-15 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Large shareholder
1,863 -24.9%
325.65
USD 606,681
1,863 -24.9% 325.65 USD 606,681
2025-04-17 2025-04-15 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Large shareholder
505 -6.3%
324.97
USD 164,112
505 -6.3% 324.97 USD 164,112
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
100 -58.1%
314.80
USD 31,480
100 -58.1% 314.80 USD 31,480
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
100 -36.8%
304.68
USD 30,468
100 -36.8% 304.68 USD 30,468
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
200 -42.4%
301.72
USD 60,343
200 -42.4% 301.72 USD 60,343
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
200 -29.8%
299.84
USD 59,967
200 -29.8% 299.84 USD 59,967
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
300 -30.9%
298.76
USD 89,629
300 -30.9% 298.76 USD 89,629
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
476 -32.9%
297.68
USD 141,696
476 -32.9% 297.68 USD 141,696
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
749 -34.1%
296.32
USD 221,941
749 -34.1% 296.32 USD 221,941
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -31.3%
295.64
USD 295,639
1,000 -31.3% 295.64 USD 295,639
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,200 -27.3%
294.17
USD 353,005
1,200 -27.3% 294.17 USD 353,005
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
700 -13.7%
293.12
USD 205,186
700 -13.7% 293.12 USD 205,186
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,349 -20.9%
291.88
USD 393,745
1,349 -20.9% 291.88 USD 393,745
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
841 -11.5%
290.79
USD 244,558
841 -11.5% 290.79 USD 244,558
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
910 -11.1%
289.85
USD 263,759
910 -11.1% 289.85 USD 263,759
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
300 -3.5%
288.35
USD 86,504
300 -3.5% 288.35 USD 86,504
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
410 -4.6%
287.24
USD 117,768
410 -4.6% 287.24 USD 117,768
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
400 -4.3%
285.58
USD 114,231
400 -4.3% 285.58 USD 114,231
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
100 -1.1%
283.95
USD 28,395
100 -1.1% 283.95 USD 28,395
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
265 -2.7%
281.84
USD 74,687
265 -2.7% 281.84 USD 74,687
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
100 -1.0%
279.80
USD 27,980
100 -1.0% 279.80 USD 27,980
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
200 -2.0%
278.21
USD 55,641
200 -2.0% 278.21 USD 55,641
2025-04-09 2025-04-07 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
100 -1.0%
276.80
USD 27,680
100 -1.0% 276.80 USD 27,680
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
732 -0.6%
327.32
USD 239,598
732 -0.6% 327.32 USD 239,598
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
100 -0.1%
325.44
USD 32,544
100 -0.1% 325.44 USD 32,544
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
100 -0.1%
324.38
USD 32,438
100 -0.1% 324.38 USD 32,438
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
200 -0.2%
323.42
USD 64,683
200 -0.2% 323.42 USD 64,683
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
200 -0.2%
321.67
USD 64,333
200 -0.2% 321.67 USD 64,333
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
400 -0.3%
320.75
USD 128,301
400 -0.3% 320.75 USD 128,301
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
700 -0.5%
319.56
USD 223,690
700 -0.5% 319.56 USD 223,690
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
100 -0.1%
317.03
USD 31,703
100 -0.1% 317.03 USD 31,703
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
200 -0.2%
313.77
USD 62,753
200 -0.2% 313.77 USD 62,753
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
200 -0.2%
312.36
USD 62,472
200 -0.2% 312.36 USD 62,472
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
200 -0.2%
311.08
USD 62,216
200 -0.2% 311.08 USD 62,216
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
200 -0.2%
309.11
USD 61,821
200 -0.2% 309.11 USD 61,821
2025-04-02 2025-04-01 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
150 -0.1%
308.35
USD 46,253
150 -0.1% 308.35 USD 46,253
2025-03-26 2025-03-24 PS Planned sale

Meese Robert

Chief Business Officer

Officer
5,351 -3.8%
320.02
USD 1,712,448
5,351 -3.8% 320.02 USD 1,712,448
2025-03-21 2025-03-20 PS Planned sale

Munson Gillian

Non-Executive Director
5,000 -58.6%
310.00
USD 1,550,000
5,000 -58.6% 310.00 USD 1,550,000
2025-03-21 2025-03-19 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
100 -58.1%
304.22
USD 30,422
100 -58.1% 304.22 USD 30,422
2025-03-21 2025-03-19 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
904 -84.0%
303.60
USD 274,454
904 -84.0% 303.60 USD 274,454
2025-03-21 2025-03-19 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
900 -45.5%
302.45
USD 272,209
900 -45.5% 302.45 USD 272,209
2025-03-21 2025-03-19 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,360 -40.8%
301.62
USD 410,208
1,360 -40.8% 301.62 USD 410,208
2025-03-21 2025-03-19 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
700 -17.3%
300.33
USD 210,233
700 -17.3% 300.33 USD 210,233
2025-03-21 2025-03-19 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
900 -18.2%
299.41
USD 269,471
900 -18.2% 299.41 USD 269,471
2025-03-21 2025-03-19 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
800 -13.9%
298.03
USD 238,427
800 -13.9% 298.03 USD 238,427
2025-03-21 2025-03-19 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -14.8%
297.36
USD 297,363
1,000 -14.8% 297.36 USD 297,363
2025-03-21 2025-03-19 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
800 -10.6%
296.04
USD 236,836
800 -10.6% 296.04 USD 236,836
2025-03-21 2025-03-19 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -11.7%
295.00
USD 295,002
1,000 -11.7% 295.00 USD 295,002
2025-03-21 2025-03-19 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
474 -5.3%
294.00
USD 139,354
474 -5.3% 294.00 USD 139,354
2025-03-21 2025-03-19 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
310 -3.3%
293.22
USD 90,897
310 -3.3% 293.22 USD 90,897
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