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
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -84.7%
502.26
USD 200,905
1,000 -84.7% 502.26 USD 100,000
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -68.0%
501.34
USD 502,846
1,000 -68.0% 501.34 USD 100,000
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -40.4%
500.12
USD 500,123
1,000 -40.4% 500.12 USD 100,000
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -14.4%
499.12
USD 208,131
1,000 -14.4% 499.12 USD 100,000
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -14.7%
497.82
USD 247,913
1,000 -14.7% 497.82 USD 100,000
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -19.5%
496.81
USD 408,379
1,000 -19.5% 496.81 USD 100,000
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -28.0%
495.73
USD 812,993
1,000 -28.0% 495.73 USD 100,000
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -12.7%
494.59
USD 422,873
1,000 -12.7% 494.59 USD 100,000
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -14.8%
493.87
USD 575,355
1,000 -14.8% 493.87 USD 100,000
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -13.2%
492.63
USD 591,159
1,000 -13.2% 492.63 USD 100,000
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -6.2%
491.44
USD 294,866
1,000 -6.2% 491.44 USD 100,000
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -2.0%
488.95
USD 97,790
1,000 -2.0% 488.95 USD 100,000
2025-05-07 2025-05-05 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,000 -2.0%
480.97
USD 96,194
1,000 -2.0% 480.97 USD 100,000
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
5,500 -4.3%
370.00
USD 2,035,000
5,500 -4.3% 370.00 USD 2,035,000
2025-04-24 2025-04-23 PS Planned sale

Meese Robert

Chief Business Officer

Officer
600 -0.5%
368.03
USD 220,818
600 -0.5% 368.03 USD 220,818
2025-04-24 2025-04-23 PS Planned sale

Meese Robert

Chief Business Officer

Officer
600 -0.5%
365.55
USD 219,330
600 -0.5% 365.55 USD 219,330
2025-04-24 2025-04-23 PS Planned sale

Meese Robert

Chief Business Officer

Officer
2,100 -1.6%
364.63
USD 765,730
2,100 -1.6% 364.63 USD 765,730
2025-04-24 2025-04-23 PS Planned sale

Meese Robert

Chief Business Officer

Officer
298 -0.2%
363.53
USD 108,333
298 -0.2% 363.53 USD 108,333
2025-04-24 2025-04-23 PS Planned sale

Meese Robert

Chief Business Officer

Officer
902 -0.7%
362.80
USD 327,245
902 -0.7% 362.80 USD 327,245
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
400 -84.7%
323.88
USD 129,551
400 -84.7% 323.88 USD 129,551
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
244 -34.1%
321.10
USD 78,349
244 -34.1% 321.10 USD 78,349
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
356 -33.2%
320.03
USD 113,932
356 -33.2% 320.03 USD 113,932
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

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

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
247 -17.4%
317.80
USD 78,495
247 -17.4% 317.80 USD 78,495
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
299 -17.4%
317.24
USD 94,854
299 -17.4% 317.24 USD 94,854
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
2,057 -54.5%
316.08
USD 650,174
2,057 -54.5% 316.08 USD 650,174
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,197 -24.1%
314.92
USD 376,961
1,197 -24.1% 314.92 USD 376,961
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
900 -15.3%
313.86
USD 282,475
900 -15.3% 313.86 USD 282,475
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

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

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
900 -11.4%
311.84
USD 280,657
900 -11.4% 311.84 USD 280,657
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 310,577
2025-04-23 2025-04-21 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Large shareholder
1,200 -11.9%
309.73
USD 371,674
1,200 -11.9% 309.73 USD 371,674
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
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