Stock chart
Ticker: DUOL Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
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 Total value Details
2024-02-22 2024-02-20 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
1,000 -4.0%
179.51
100,000 USD
1,000 -4.0% 179.51 100,000 USD
2024-02-12 2024-02-09 PS Planned sale

Chen Stephen C.

General Counsel

Officer
1,000 -5.4%
190.00
100,000 USD
1,000 -5.4% 190.00 100,000 USD
2024-02-08 2024-02-06 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
200 -0.2%
183.30
36,660 USD
200 -0.2% 183.30 36,660 USD
2024-02-08 2024-02-06 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
101 -0.1%
182.16
18,399 USD
101 -0.1% 182.16 18,399 USD
2024-02-08 2024-02-06 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
200 -0.2%
180.49
36,097 USD
200 -0.2% 180.49 36,097 USD
2024-02-08 2024-02-06 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
999 -0.8%
179.14
178,956 USD
999 -0.8% 179.14 178,956 USD
2024-02-05 2024-02-01 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
200 -0.3%
181.41
36,281 USD
200 -0.3% 181.41 36,281 USD
2024-02-05 2024-02-01 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
1,444 -2.0%
180.81
261,088 USD
1,444 -2.0% 180.81 261,088 USD
2024-02-05 2024-02-01 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
1,925 -2.6%
179.90
346,305 USD
1,925 -2.6% 179.90 346,305 USD
2024-02-05 2024-02-01 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
600 -0.8%
178.80
107,279 USD
600 -0.8% 178.80 107,279 USD
2024-02-05 2024-02-01 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
1,943 -2.6%
177.73
345,320 USD
1,943 -2.6% 177.73 345,320 USD
2024-02-05 2024-02-01 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
1,488 -1.9%
176.65
262,852 USD
1,488 -1.9% 176.65 262,852 USD
2024-02-05 2024-02-01 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
400 -0.5%
175.56
70,222 USD
400 -0.5% 175.56 70,222 USD
2024-02-05 2024-02-01 PS Planned sale

Shelton James H

Non-Executive Director
1,266 -22.9%
181.24
229,452 USD
1,266 -22.9% 181.24 229,452 USD
2024-02-05 2024-02-01 PS Planned sale

Shelton James H

Non-Executive Director
2,273 -29.2%
180.18
409,551 USD
2,273 -29.2% 180.18 409,551 USD
2024-02-05 2024-02-01 PS Planned sale

Shelton James H

Non-Executive Director
1,700 -17.9%
179.38
304,939 USD
1,700 -17.9% 179.38 304,939 USD
2024-02-05 2024-02-01 PS Planned sale

Shelton James H

Non-Executive Director
1,498 -13.6%
178.04
266,699 USD
1,498 -13.6% 178.04 266,699 USD
2024-02-05 2024-02-01 PS Planned sale

Shelton James H

Non-Executive Director
2,463 -18.3%
176.89
435,678 USD
2,463 -18.3% 176.89 435,678 USD
2024-02-05 2024-02-01 PS Planned sale

Shelton James H

Non-Executive Director
800 -5.6%
175.66
140,528 USD
800 -5.6% 175.66 140,528 USD
2024-02-05 2024-02-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
94 -100.0%
181.46
17,057 USD
94 -100.0% 181.46 17,057 USD
2024-02-05 2024-02-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
1,773 -95.0%
180.84
320,626 USD
1,773 -95.0% 180.84 320,626 USD
2024-02-05 2024-02-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
2,644 -58.6%
179.81
475,431 USD
2,644 -58.6% 179.81 475,431 USD
2024-02-05 2024-02-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
859 -16.0%
178.70
153,504 USD
859 -16.0% 178.70 153,504 USD
2024-02-05 2024-02-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
2,300 -30.0%
177.69
408,698 USD
2,300 -30.0% 177.69 408,698 USD
2024-02-05 2024-02-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
1,630 -17.5%
176.66
287,964 USD
1,630 -17.5% 176.66 287,964 USD
2024-02-05 2024-02-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
700 -7.0%
175.67
122,968 USD
700 -7.0% 175.67 122,968 USD
2024-01-09 2024-01-08 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
2,222 -1.8%
214.14
475,819 USD
2,222 -1.8% 214.14 475,819 USD
2024-01-09 2024-01-08 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
3,278 -2.6%
213.26
699,060 USD
3,278 -2.6% 213.26 699,060 USD
2024-01-09 2024-01-08 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
5,254 -4.0%
212.22
1,115,013 USD
5,254 -4.0% 212.22 1,115,013 USD
2024-01-09 2024-01-08 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
5,937 -4.3%
211.06
1,253,084 USD
5,937 -4.3% 211.06 1,253,084 USD
2024-01-09 2024-01-08 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
12,573 -8.4%
210.08
2,641,313 USD
12,573 -8.4% 210.08 2,641,313 USD
2024-01-09 2024-01-08 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
7,919 -5.0%
209.23
1,656,878 USD
7,919 -5.0% 209.23 1,656,878 USD
2024-01-09 2024-01-08 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
3,266 -2.0%
208.25
680,130 USD
3,266 -2.0% 208.25 680,130 USD
2024-01-09 2024-01-08 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
915 -0.6%
206.95
189,361 USD
915 -0.6% 206.95 189,361 USD
2024-01-09 2024-01-08 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
1,636 -1.0%
205.73
336,573 USD
1,636 -1.0% 205.73 336,573 USD
2024-01-09 2024-01-08 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
500 -0.3%
204.52
102,259 USD
500 -0.3% 204.52 102,259 USD
2024-01-05 2024-01-04 PS Planned sale

Chen Stephen C.

General Counsel

Officer
365 -1.0%
210.29
76,754 USD
365 -1.0% 210.29 76,754 USD
2024-01-05 2024-01-04 PS Planned sale

Chen Stephen C.

General Counsel

Officer
2,091 -5.6%
209.01
437,030 USD
2,091 -5.6% 209.01 437,030 USD
2024-01-05 2024-01-04 PS Planned sale

Chen Stephen C.

General Counsel

Officer
4,722 -11.2%
208.17
982,984 USD
4,722 -11.2% 208.17 982,984 USD
2024-01-05 2024-01-04 PS Planned sale

Chen Stephen C.

General Counsel

Officer
1,586 -3.6%
207.19
328,600 USD
1,586 -3.6% 207.19 328,600 USD
2024-01-05 2024-01-04 PS Planned sale

Chen Stephen C.

General Counsel

Officer
3,840 -8.1%
205.98
790,980 USD
3,840 -8.1% 205.98 790,980 USD
2024-01-05 2024-01-04 PS Planned sale

Chen Stephen C.

General Counsel

Officer
5,396 -10.2%
205.20
1,107,280 USD
5,396 -10.2% 205.20 1,107,280 USD
2024-01-03 2024-01-02 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
200 -0.3%
222.64
44,527 USD
200 -0.3% 222.64 44,527 USD
2024-01-03 2024-01-02 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
400 -0.6%
218.97
87,586 USD
400 -0.6% 218.97 87,586 USD
2024-01-03 2024-01-02 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
300 -0.5%
217.29
65,186 USD
300 -0.5% 217.29 65,186 USD
2024-01-03 2024-01-02 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
200 -0.3%
215.51
43,102 USD
200 -0.3% 215.51 43,102 USD
2024-01-03 2024-01-02 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
2,316 -3.4%
214.56
496,916 USD
2,316 -3.4% 214.56 496,916 USD
2024-01-03 2024-01-02 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
2,700 -3.8%
213.90
577,542 USD
2,700 -3.8% 213.90 577,542 USD
2024-01-03 2024-01-02 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
784 -1.1%
212.80
166,838 USD
784 -1.1% 212.80 166,838 USD
2024-01-03 2024-01-02 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
500 -0.7%
211.73
105,863 USD
500 -0.7% 211.73 105,863 USD
2024-01-03 2024-01-02 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
600 -0.8%
210.60
126,359 USD
600 -0.8% 210.60 126,359 USD
2024-01-03 2024-01-02 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
300 -100.0%
222.70
66,810 USD
300 -100.0% 222.70 66,810 USD
2024-01-03 2024-01-02 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
400 -57.1%
218.91
87,563 USD
400 -57.1% 218.91 87,563 USD
2024-01-03 2024-01-02 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
413 -37.1%
217.46
89,811 USD
413 -37.1% 217.46 89,811 USD
2024-01-03 2024-01-02 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
589 -34.6%
215.17
126,736 USD
589 -34.6% 215.17 126,736 USD
2024-01-03 2024-01-02 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
4,530 -72.7%
214.32
970,885 USD
4,530 -72.7% 214.32 970,885 USD
2024-01-03 2024-01-02 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
2,069 -24.9%
213.41
441,551 USD
2,069 -24.9% 213.41 441,551 USD
2024-01-03 2024-01-02 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
600 -6.7%
212.25
127,347 USD
600 -6.7% 212.25 127,347 USD
2024-01-03 2024-01-02 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
799 -8.2%
211.13
168,696 USD
799 -8.2% 211.13 168,696 USD
2024-01-03 2024-01-02 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
300 -3.0%
210.19
63,057 USD
300 -3.0% 210.19 63,057 USD
2023-12-13 2023-12-11 PS Planned sale

Meese Robert

Chief Business Officer

Officer
600 -0.4%
219.00
131,401 USD
600 -0.4% 219.00 131,401 USD
2023-12-13 2023-12-11 PS Planned sale

Meese Robert

Chief Business Officer

Officer
3,026 -1.9%
217.97
659,570 USD
3,026 -1.9% 217.97 659,570 USD
2023-12-13 2023-12-11 PS Planned sale

Meese Robert

Chief Business Officer

Officer
6,400 -3.8%
217.20
1,390,054 USD
6,400 -3.8% 217.20 1,390,054 USD
2023-12-13 2023-12-11 PS Planned sale

Meese Robert

Chief Business Officer

Officer
11,737 -6.5%
215.99
2,535,024 USD
11,737 -6.5% 215.99 2,535,024 USD
2023-12-13 2023-12-11 PS Planned sale

Meese Robert

Chief Business Officer

Officer
12,437 -6.5%
215.33
2,678,084 USD
12,437 -6.5% 215.33 2,678,084 USD
2023-12-13 2023-12-11 PS Planned sale

Meese Robert

Chief Business Officer

Officer
800 -0.4%
211.84
169,475 USD
800 -0.4% 211.84 169,475 USD
2023-12-04 2023-12-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
1,259 -100.0%
214.83
270,477 USD
1,259 -100.0% 214.83 270,477 USD
2023-12-04 2023-12-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
3,113 -71.2%
214.13
666,599 USD
3,113 -71.2% 214.13 666,599 USD
2023-12-04 2023-12-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
2,726 -38.4%
213.31
581,493 USD
2,726 -38.4% 213.31 581,493 USD
2023-12-04 2023-12-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
900 -11.3%
212.03
190,823 USD
900 -11.3% 212.03 190,823 USD
2023-12-04 2023-12-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
500 -5.9%
210.61
105,307 USD
500 -5.9% 210.61 105,307 USD
2023-12-04 2023-12-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
802 -8.6%
209.56
168,066 USD
802 -8.6% 209.56 168,066 USD
2023-12-04 2023-12-01 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
700 -7.0%
208.42
145,896 USD
700 -7.0% 208.42 145,896 USD
2023-12-04 2023-12-01 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
200 -0.4%
215.17
43,034 USD
200 -0.4% 215.17 43,034 USD
2023-12-04 2023-12-01 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
2,208 -4.1%
214.53
473,685 USD
2,208 -4.1% 214.53 473,685 USD