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 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
DUOLINGO INC: DUOL
Price: 1/10/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$318.67 $378.48 $145.05 $14,017 38 541 0.0% 3.3% 95.94% 0.93%
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
SKARUPPA MATTHEW
CFO
AS
$1,399,698
4,464
---
1/13/25
$307.48
$316.59
63,266
-6.6
D
10b
1/14/25 - 4:27:55 pm
2
    
 
HACKER SEVERIN
CTO,F,DIR,BO
AS
$3,362,318
10,000
---
1/6/25
$333.34
$347.04
72
-99.3
D
10b
1/7/25 - 4:06:51 pm
3
    
 
HACKER SEVERIN
CTO,F,DIR,BO
JB
---
10,000
---
1/6/25
---
---
10,072
13,888.9
D
10b
1/7/25 - 4:06:51 pm
4
    
 
SKARUPPA MATTHEW
CFO
OS
$1,622,408
5,000
---
1/2/25
$321.46
$328.53
67,730
-6.9
D
10b
1/3/25 - 5:35:54 pm
5
    
 
SKARUPPA MATTHEW
CFO
OE
$72,100
5,000
---
1/2/25
---
$14.42
72,730
7.4
D
10b
1/3/25 - 5:35:54 pm
6
    
 
HACKER SEVERIN
CTO,F,DIR,BO
AS
$3,368,203
10,000
---
12/19/24
$334.21
$343.86
72
-99.3
D
10b
12/20/24 - 4:16:54 pm
7
    
 
HACKER SEVERIN
CTO,F,DIR,BO
JB
---
10,000
---
12/19/24
---
---
10,072
13,888.9
D
10b
12/20/24 - 4:16:54 pm
8
    
 
CHEN STEPHEN C
GC
OB
$53,354
3,700
---
12/19/24
---
$14.42
35,367
11.7
D
---
12/20/24 - 4:15:09 pm
9
    
 
SKARUPPA MATTHEW
CFO
AS
$4,951,050
14,250
---
12/16/24
$339.05
$350.30
67,730
-17.4
D
10b
12/17/24 - 4:27:56 pm
10
    
 
VON AHN LUIS
PR,CEO,F,DIR,BO
AS
$50,066,948
145,241
12/13/24
12/16/24
$334.51
$350.49
---
All
D
10b
12/17/24 - 4:24:21 pm
11
    
 
VON AHN LUIS
PR,CEO,F,DIR,BO
JB
---
145,241
12/13/24
12/16/24
---
---
99,396
---
D
10b
12/17/24 - 4:24:21 pm
12
    
 
HACKER SEVERIN
CTO,F,DIR,BO
AS
$14,845,949
43,826
---
12/13/24
$335.14
$344.54
72
-99.8
D
10b
12/16/24 - 4:20:20 pm
13
    
 
HACKER SEVERIN
CTO,F,DIR,BO
JB
---
43,826
---
12/13/24
---
---
43,898
60,869.4
D
10b
12/16/24 - 4:20:20 pm
14
    
 
VON AHN LUIS
PR,CEO,F,DIR,BO
AS
$14,210,221
41,759
---
12/12/24
$336.83
$344.72
---
All
D
10b
12/16/24 - 5:07:33 pm
15
    
 
VON AHN LUIS
PR,CEO,F,DIR,BO
JB
---
41,759
---
12/12/24
---
---
41,759
New
D
10b
12/16/24 - 5:07:33 pm
16
    
 
HACKER SEVERIN
CTO,F,DIR,BO
AS
$14,129,045
41,521
---
12/12/24
$336.91
$344.72
72
-99.8
D
10b
12/13/24 - 5:09:58 pm
17
    
 
HACKER SEVERIN
CTO,F,DIR,BO
JB
---
41,521
---
12/12/24
---
---
41,593
57,668.1
D
10b
12/13/24 - 5:09:58 pm
18
    
 
HACKER SEVERIN
CTO,F,DIR,BO
AS
$64,139,080
188,901
---
12/11/24
$321.29
$352.72
72
-100.0
D
10b
12/13/24 - 4:04:38 pm
19
    
 
HACKER SEVERIN
CTO,F,DIR,BO
JB
---
188,901
---
12/11/24
---
---
188,973
262,362.5
D
10b
12/13/24 - 4:04:38 pm
20
    
 
GLANCE NATALIE
O
AS
$553,997
1,500
---
12/6/24
$367.97
$371.86
132,239
-1.1
D
10b
12/9/24 - 7:23:34 pm
21
    
 
ROSS BONNIE
DIR
JB
---
965
---
12/5/24
---
---
965
New
D
R
12/10/24 - 4:36:29 pm
22
    
 
ROSS BONNIE
DIR
3
---
---
---
12/5/24
---
---
---
---
---
---
12/9/24 - 7:37:44 pm
23
    
 
SKARUPPA MATTHEW
CFO
OS
$2,786,371
8,049
---
12/2/24
$341.57
$347.99
81,980
-8.9
D
10b
12/4/24 - 4:18:56 pm
24
    
 
SKARUPPA MATTHEW
CFO
OE
$116,067
8,049
---
12/2/24
---
$14.42
90,029
9.8
D
10b
12/4/24 - 4:18:56 pm
25
    
 
HACKER SEVERIN
CTO,F,DIR,BO
JS
---
3,000
---
11/27/24
---
---
---
All
I
---
12/2/24 - 8:31:55 pm
26
    
 
CHEN STEPHEN C
GC
AS
$814,967
2,642
---
11/18/24
$307.04
$312.19
31,667
-7.7
D
10b
11/20/24 - 4:46:15 pm
27
    
 
SKARUPPA MATTHEW
CFO
AS
$1,109,205
3,591
---
11/18/24
$307.32
$312.01
81,980
-4.2
D
10b
11/20/24 - 4:43:36 pm
28
    
 
CHEN STEPHEN C
GC
S
$386,316
1,249
---
11/15/24
---
$309.30
34,309
-3.5
D
R
11/18/24 - 4:14:32 pm
29
    
 
MEESE ROBERT
O
S
$502,613
1,625
---
11/15/24
---
$309.30
140,428
-1.1
D
R
11/18/24 - 4:14:21 pm
30
    
 
SKARUPPA MATTHEW
CFO
S
$1,016,051
3,285
---
11/15/24
---
$309.30
85,571
-3.7
D
R
11/18/24 - 4:14:11 pm
31
    
 
GLANCE NATALIE
O
S
$934,395
3,021
---
11/15/24
---
$309.30
133,739
-2.2
D
R
11/18/24 - 4:14:01 pm
32
    
 
HACKER SEVERIN
CTO,F,DIR,BO
JB
---
3,000
---
11/12/24
---
---
3,000
New
I
---
12/2/24 - 8:31:55 pm
33
    
 
GLANCE NATALIE
O
AS
$470,043
1,500
---
11/6/24
$306.97
$318.44
136,760
-1.1
D
10b
11/7/24 - 5:17:34 pm
34
    
 
SKARUPPA MATTHEW
CFO
OS
$4,105,426
14,000
---
11/1/24
$291.41
$297.33
88,856
-13.6
D
10b
11/5/24 - 4:16:40 pm
35
    
 
SKARUPPA MATTHEW
CFO
OE
$201,880
14,000
---
11/1/24
---
$14.42
102,856
15.8
D
10b
11/5/24 - 4:16:40 pm
36
    
 
GLANCE NATALIE
O
AS
$421,365
1,500
---
10/7/24
---
$280.91
138,260
-1.1
D
10b
10/8/24 - 8:09:15 pm
37
    
 
SKARUPPA MATTHEW
CFO
OS
$3,932,319
14,000
---
10/1/24
$279.39
$283.07
88,856
-13.6
D
10b
10/3/24 - 4:17:18 pm
38
    
 
SKARUPPA MATTHEW
CFO
OE
$201,880
14,000
---
10/1/24
---
$14.42
102,856
15.8
D
10b
10/3/24 - 4:17:18 pm
39
    
 
MEESE ROBERT
O
AS
$1,425,194
5,000
---
9/25/24
---
$285.00
142,053
-3.4
D
10b
9/26/24 - 4:28:08 pm
40
    
 
MEESE ROBERT
O
AS
$1,350,000
5,000
---
9/20/24
---
$270.00
147,053
-3.3
D
10b
9/23/24 - 4:18:32 pm
41
    
 
MEESE ROBERT
O
AS
$2,431,645
9,819
9/17/24
9/18/24
$240.02
$255.00
152,053
-6.1
D
10b
9/19/24 - 4:21:41 pm
42
    
 
GLANCE NATALIE
O
AS
$311,267
1,500
---
9/6/24
$205.23
$210.93
139,760
-1.1
D
10b
9/9/24 - 8:18:41 pm
43
    
 
SKARUPPA MATTHEW
CFO
OS
$2,904,144
14,000
---
9/3/24
$205.63
$213.02
88,856
-13.6
D
10b
9/4/24 - 4:16:53 pm
44
    
 
SKARUPPA MATTHEW
CFO
OE
$201,880
14,000
---
9/3/24
---
$14.42
102,856
15.8
D
10b
9/4/24 - 4:16:53 pm
45
    
 
CHEN STEPHEN C
GC
OS
$4,117,674
19,464
---
8/30/24
$208.53
$213.42
35,558
-35.4
D
10b
9/3/24 - 8:52:23 pm
46
    
 
CHEN STEPHEN C
GC
OE
$106,448
7,382
---
8/30/24
---
$14.42
55,022
15.5
D
10b
9/3/24 - 8:52:23 pm
47
    
 
SKARUPPA MATTHEW
CFO
OS
$3,646,091
17,591
---
8/21/24
$203.76
$209.79
88,856
-16.5
D
10b
8/22/24 - 8:12:05 pm
48
    
 
SKARUPPA MATTHEW
CFO
OE
$201,880
14,000
---
8/21/24
---
$14.42
106,447
15.1
D
10b
8/22/24 - 8:12:05 pm
49
    
 
MEESE ROBERT
O
S
$323,988
1,624
---
8/15/24
---
$199.50
161,872
-1.0
D
R
8/16/24 - 4:37:27 pm
50
    
 
CHEN STEPHEN C
GC
S
$249,176
1,249
---
8/15/24
---
$199.50
47,640
-2.6
D
R
8/16/24 - 4:37:18 pm
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