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Ticker: DUOL Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
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
March 22, 2023 March 21, 2023 PS Planned sale

Chen Stephen C.

General Counsel

Officer
9,252 -25.8%
130.43
1,206,736 USD
9,252 -25.8% 130.43 1,206,736 USD
March 8, 2023 March 7, 2023 PS Planned sale

Meese Robert

Chief Business Officer

Officer
5,000 -2.4%
130.11
650,536 USD
5,000 -2.4% 130.11 650,536 USD
March 8, 2023 March 7, 2023 PS Planned sale

Chen Stephen C.

General Counsel

Officer
10,748 -28.8%
130.10
1,398,367 USD
10,748 -28.8% 130.10 1,398,367 USD
March 7, 2023 March 6, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
12,000 -21.4%
125.19
1,502,336 USD
12,000 -21.4% 125.19 1,502,336 USD
March 6, 2023 March 3, 2023 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Major owner
400 -100.0%
120.11
48,045 USD
400 -100.0% 120.11 48,045 USD
March 6, 2023 March 3, 2023 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Major owner
48,093 -99.2%
119.46
5,745,199 USD
48,093 -99.2% 119.46 5,745,199 USD
March 6, 2023 March 3, 2023 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Major owner
53,460 -52.4%
118.48
6,334,074 USD
53,460 -52.4% 118.48 6,334,074 USD
March 6, 2023 March 3, 2023 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Major owner
38,361 -27.3%
117.77
4,517,894 USD
38,361 -27.3% 117.77 4,517,894 USD
March 6, 2023 March 3, 2023 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Major owner
7,100 -4.8%
116.52
827,269 USD
7,100 -4.8% 116.52 827,269 USD
March 6, 2023 March 3, 2023 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Major owner
2,600 -1.7%
115.78
301,033 USD
2,600 -1.7% 115.78 301,033 USD
March 6, 2023 March 3, 2023 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Major owner
100 -0.1%
113.20
11,320 USD
100 -0.1% 113.20 11,320 USD
March 6, 2023 March 3, 2023 PS Planned sale

von Ahn Luis

President & CEO, Co-Founder

Executive Director Major owner
3,400 -2.2%
112.22
381,537 USD
3,400 -2.2% 112.22 381,537 USD
March 6, 2023 March 3, 2023 PS Planned sale

Clemens Sara

Non-Executive Director
3,042 -48.4%
119.70
364,123 USD
3,042 -48.4% 119.70 364,123 USD
March 6, 2023 March 3, 2023 PS Planned sale

Clemens Sara

Non-Executive Director
6,275 -50.0%
118.93
746,268 USD
6,275 -50.0% 118.93 746,268 USD
March 6, 2023 March 3, 2023 PS Planned sale

Clemens Sara

Non-Executive Director
8,583 -40.6%
117.98
1,012,585 USD
8,583 -40.6% 117.98 1,012,585 USD
March 6, 2023 March 3, 2023 PS Planned sale

Clemens Sara

Non-Executive Director
1,500 -6.6%
116.78
175,171 USD
1,500 -6.6% 116.78 175,171 USD
March 6, 2023 March 3, 2023 PS Planned sale

Clemens Sara

Non-Executive Director
200 -0.9%
113.20
22,640 USD
200 -0.9% 113.20 22,640 USD
March 6, 2023 March 3, 2023 PS Planned sale

Clemens Sara

Non-Executive Director
400 -1.7%
112.35
44,938 USD
400 -1.7% 112.35 44,938 USD
March 3, 2023 March 2, 2023 PS Planned sale

Meese Robert

Chief Business Officer

Officer
5,000 -2.4%
120.00
600,000 USD
5,000 -2.4% 120.00 600,000 USD
March 3, 2023 March 2, 2023 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
1,443 -1.1%
119.07
171,815 USD
1,443 -1.1% 119.07 171,815 USD
March 3, 2023 March 2, 2023 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
25,557 -15.9%
118.30
3,023,500 USD
25,557 -15.9% 118.30 3,023,500 USD
March 3, 2023 March 1, 2023 PS Planned sale

Meese Robert

Chief Business Officer

Officer
4,629 -2.1%
110.00
509,190 USD
4,629 -2.1% 110.00 509,190 USD
March 2, 2023 March 1, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
500 -1.1%
110.08
55,041 USD
500 -1.1% 110.08 55,041 USD
March 2, 2023 March 1, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
1,098 -2.4%
110.30
121,108 USD
1,098 -2.4% 110.30 121,108 USD
March 2, 2023 March 1, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
1,420 -3.0%
108.78
154,463 USD
1,420 -3.0% 108.78 154,463 USD
March 2, 2023 March 1, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
291 -0.6%
107.91
31,403 USD
291 -0.6% 107.91 31,403 USD
March 2, 2023 March 1, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
900 -1.9%
106.21
95,593 USD
900 -1.9% 106.21 95,593 USD
March 2, 2023 March 1, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
691 -1.4%
105.05
72,593 USD
691 -1.4% 105.05 72,593 USD
March 2, 2023 March 1, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
100 -0.2%
102.00
10,200 USD
100 -0.2% 102.00 10,200 USD
March 2, 2023 March 1, 2023 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
3,000 -2.2%
106.00
318,000 USD
3,000 -2.2% 106.00 318,000 USD
March 2, 2023 March 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
1,957 -100.0%
110.92
217,070 USD
1,957 -100.0% 110.92 217,070 USD
March 2, 2023 March 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
1,572 -44.5%
109.89
172,753 USD
1,572 -44.5% 109.89 172,753 USD
March 2, 2023 March 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
2,825 -44.5%
108.68
307,033 USD
2,825 -44.5% 108.68 307,033 USD
March 2, 2023 March 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
445 -6.5%
107.46
47,820 USD
445 -6.5% 107.46 47,820 USD
March 2, 2023 March 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
1,601 -19.1%
106.24
170,091 USD
1,601 -19.1% 106.24 170,091 USD
March 2, 2023 March 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
1,200 -12.5%
105.15
126,175 USD
1,200 -12.5% 105.15 126,175 USD
March 2, 2023 March 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
100 -1.0%
103.75
10,375 USD
100 -1.0% 103.75 10,375 USD
March 2, 2023 March 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
300 -3.0%
102.83
30,849 USD
300 -3.0% 102.83 30,849 USD
March 2, 2023 Feb. 28, 2023 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
2,156 -1.6%
94.00
202,664 USD
2,156 -1.6% 94.00 202,664 USD
Feb. 21, 2023 Feb. 17, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
1,400 -3.1%
91.98
128,767 USD
1,400 -3.1% 91.98 128,767 USD
Feb. 21, 2023 Feb. 17, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
1,193 -2.6%
91.36
108,988 USD
1,193 -2.6% 91.36 108,988 USD
Feb. 21, 2023 Feb. 17, 2023 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
844 -0.6%
94.00
79,336 USD
844 -0.6% 94.00 79,336 USD
Feb. 3, 2023 Feb. 2, 2023 PS Planned sale

Meese Robert

Chief Business Officer

Officer
5,176 -2.3%
100.18
518,536 USD
5,176 -2.3% 100.18 518,536 USD
Feb. 2, 2023 Feb. 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
357 -100.0%
97.94
34,965 USD
357 -100.0% 97.94 34,965 USD
Feb. 2, 2023 Feb. 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
3,021 -89.4%
97.24
293,771 USD
3,021 -89.4% 97.24 293,771 USD
Feb. 2, 2023 Feb. 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
400 -10.6%
96.19
38,475 USD
400 -10.6% 96.19 38,475 USD
Feb. 2, 2023 Feb. 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
2,803 -42.6%
95.02
266,327 USD
2,803 -42.6% 95.02 266,327 USD
Feb. 2, 2023 Feb. 1, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
3,419 -34.2%
94.27
322,321 USD
3,419 -34.2% 94.27 322,321 USD
Jan. 31, 2023 Jan. 30, 2023 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
500 -0.4%
94.04
47,018 USD
500 -0.4% 94.04 47,018 USD
Jan. 31, 2023 Jan. 27, 2023 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
2,400 -1.7%
94.35
226,442 USD
2,400 -1.7% 94.35 226,442 USD
Jan. 31, 2023 Jan. 27, 2023 PS Planned sale

Glance Natalie

Chief Engineering Officer

Officer
100 -0.1%
94.00
9,400 USD
100 -0.1% 94.00 9,400 USD
Jan. 18, 2023 Jan. 17, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
1,156 -2.4%
79.31
91,682 USD
1,156 -2.4% 79.31 91,682 USD
Jan. 11, 2023 Jan. 10, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
7,200 -100.0%
75.07
540,534 USD
7,200 -100.0% 75.07 540,534 USD
Jan. 11, 2023 Jan. 9, 2023 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
2,800 -100.0%
75.05
210,146 USD
2,800 -100.0% 75.05 210,146 USD
Jan. 4, 2023 Jan. 3, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
300 -0.6%
71.69
21,508 USD
300 -0.6% 71.69 21,508 USD
Jan. 4, 2023 Jan. 3, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
3,900 -7.3%
70.57
275,206 USD
3,900 -7.3% 70.57 275,206 USD
Jan. 4, 2023 Jan. 3, 2023 PS Planned sale

Skaruppa Matthew

Chief Financial Officer

Officer
800 -1.5%
69.45
55,556 USD
800 -1.5% 69.45 55,556 USD
Dec. 30, 2022 Dec. 28, 2022 B Purchase

Durable Capital Partners LP

Major owner
5,000 +0.1%
67.12
335,600 USD
5,000 +0.1% 67.12 335,600 USD
Dec. 28, 2022 Dec. 27, 2022 B Purchase

Durable Capital Partners LP

Major owner
5,000 +0.1%
68.73
343,650 USD
5,000 +0.1% 68.73 343,650 USD
Dec. 28, 2022 Dec. 27, 2022 B Purchase

Durable Capital Partners LP

Major owner
9,611 +0.3%
69.23
665,370 USD
9,611 +0.3% 69.23 665,370 USD
Dec. 28, 2022 Dec. 23, 2022 B Purchase

Durable Capital Partners LP

Major owner
20,000 +0.5%
70.29
1,405,800 USD
20,000 +0.5% 70.29 1,405,800 USD
Dec. 23, 2022 Dec. 22, 2022 B Purchase

Durable Capital Partners LP

Major owner
25,389 +0.7%
69.62
1,767,582 USD
25,389 +0.7% 69.62 1,767,582 USD
Dec. 23, 2022 Dec. 22, 2022 B Purchase

Durable Capital Partners LP

Major owner
10,000 +0.3%
71.98
719,800 USD
10,000 +0.3% 71.98 719,800 USD
Dec. 23, 2022 Dec. 22, 2022 B Purchase

Durable Capital Partners LP

Major owner
15,000 +0.4%
70.38
1,055,700 USD
15,000 +0.4% 70.38 1,055,700 USD
Dec. 23, 2022 Dec. 22, 2022 B Purchase

Durable Capital Partners LP

Major owner
20,899 +0.6%
71.78
1,500,130 USD
20,899 +0.6% 71.78 1,500,130 USD
Dec. 23, 2022 Dec. 21, 2022 B Purchase

Durable Capital Partners LP

Major owner
7,100 +0.2%
72.93
517,803 USD
7,100 +0.2% 72.93 517,803 USD
Dec. 21, 2022 Dec. 20, 2022 B Purchase

Durable Capital Partners LP

Major owner
49,155 +1.4%
72.70
3,573,569 USD
49,155 +1.4% 72.70 3,573,569 USD
Dec. 21, 2022 Dec. 20, 2022 B Purchase

Durable Capital Partners LP

Major owner
5,000 +0.1%
72.71
363,550 USD
5,000 +0.1% 72.71 363,550 USD
Dec. 21, 2022 Dec. 19, 2022 B Purchase

Durable Capital Partners LP

Major owner
15,812 +0.4%
72.25
1,142,417 USD
15,812 +0.4% 72.25 1,142,417 USD
Dec. 21, 2022 Dec. 19, 2022 B Purchase

Durable Capital Partners LP

Major owner
51,240 +1.5%
72.21
3,700,040 USD
51,240 +1.5% 72.21 3,700,040 USD
Dec. 19, 2022 Dec. 16, 2022 B Purchase

Durable Capital Partners LP

Major owner
10,794 +0.3%
72.97
787,638 USD
10,794 +0.3% 72.97 787,638 USD
Dec. 19, 2022 Dec. 16, 2022 B Purchase

Durable Capital Partners LP

Major owner
26,604 +0.8%
72.92
1,939,964 USD
26,604 +0.8% 72.92 1,939,964 USD
Dec. 19, 2022 Dec. 15, 2022 B Purchase

Durable Capital Partners LP

Major owner
4,936 +0.1%
72.84
359,538 USD
4,936 +0.1% 72.84 359,538 USD
Dec. 19, 2022 Dec. 15, 2022 B Purchase

Durable Capital Partners LP

Major owner
62,853 +1.9%
72.82
4,576,955 USD
62,853 +1.9% 72.82 4,576,955 USD
Dec. 15, 2022 Dec. 14, 2022 PS Planned sale

Hacker Severin

Chief Tech Officer, Co-Founder

Executive Director Major owner
10,000 -100.0%
75.50
755,032 USD
10,000 -100.0% 75.50 755,032 USD