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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
DUOLINGO INC: DUOL
Price: 2/21/25 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
$385.35 $441.77 $145.05 $16,949 38 607 0.0% 3.8% 96.19% 0.98%
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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
    
 
HACKER SEVERIN
CTO,F,DIR,BO
OS
$4,339,354
10,000
---
2/19/25
$430.37
$438.98
72
-99.3
D
10b
2/21/25 - 4:32:50 pm
2
    
 
HACKER SEVERIN
CTO,F,DIR,BO
OE
$144,200
10,000
---
2/19/25
---
$14.42
10,072
13,888.9
D
10b
2/21/25 - 4:32:50 pm
3
    
 
SKARUPPA MATTHEW
CFO
AS
$1,554,954
3,591
---
2/19/25
$430.30
$435.42
56,391
-6.0
D
10b
2/21/25 - 4:30:13 pm
4
    
 
SKARUPPA MATTHEW
CFO
S
$1,429,460
3,284
---
2/18/25
---
$435.28
59,982
-5.2
D
R
2/20/25 - 5:05:43 pm
5
    
 
CHEN STEPHEN C
GC
AS
$898,091
2,064
---
2/18/25
$435.00
$435.28
34,634
-5.6
D
R,10b
2/19/25 - 7:20:59 pm
6
    
 
GLANCE NATALIE
O
S
$1,160,892
2,667
---
2/18/25
---
$435.28
129,572
-2.0
D
R
2/19/25 - 7:19:59 pm
7
    
 
MEESE ROBERT
O
S
$553,676
1,272
---
2/18/25
---
$435.28
139,156
-0.9
D
R
2/19/25 - 7:18:30 pm
8
    
 
VON AHN LUIS
PR,CEO,F,DIR,BO
OS
$3,478,282
8,000
---
2/18/25
$428.85
$441.29
---
All
D
10b
2/19/25 - 7:16:10 pm
9
    
 
VON AHN LUIS
PR,CEO,F,DIR,BO
OE
$59,840
8,000
---
2/18/25
---
$7.48
8,000
New
D
10b
2/19/25 - 7:16:10 pm
10
    
 
CHEN STEPHEN C
GC
OB
$19,193
1,331
---
2/6/25
---
$14.42
36,698
3.8
D
---
2/7/25 - 6:12:32 pm
11
    
 
HACKER SEVERIN
CTO,F,DIR,BO
AS
$3,914,552
10,000
---
2/5/25
$386.68
$409.40
72
-99.3
D
10b
2/6/25 - 7:27:34 pm
12
    
 
HACKER SEVERIN
CTO,F,DIR,BO
JB
---
10,000
---
2/5/25
---
---
10,072
13,888.9
D
10b
2/6/25 - 7:27:34 pm
13
    
 
HACKER SEVERIN
CTO,F,DIR,BO
OS
$3,339,535
10,000
---
1/21/25
$327.06
$347.14
72
-99.3
D
10b
1/23/25 - 4:40:02 pm
14
    
 
HACKER SEVERIN
CTO,F,DIR,BO
OE
$144,200
10,000
---
1/21/25
---
$14.42
10,072
13,888.9
D
10b
1/23/25 - 4:40:02 pm
15
    
 
VON AHN LUIS
PR,CEO,F,DIR,BO
OS
$2,568,015
8,000
---
1/15/25
$318.29
$323.52
---
All
D
10b
1/16/25 - 4:29:36 pm
16
    
 
VON AHN LUIS
PR,CEO,F,DIR,BO
OE
$59,840
8,000
---
1/15/25
---
$7.48
8,000
New
D
10b
1/16/25 - 4:29:36 pm
17
    
 
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
18
    
 
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
19
    
 
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
20
    
 
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
21
    
 
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
22
    
 
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
23
    
 
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
24
    
 
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
25
    
 
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
26
    
 
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
27
    
 
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
28
    
 
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
29
    
 
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
30
    
 
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
31
    
 
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
32
    
 
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
33
    
 
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
34
    
 
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
35
    
 
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
36
    
 
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
37
    
 
ROSS BONNIE
DIR
JB
---
965
---
12/5/24
---
---
965
New
D
R
12/10/24 - 4:36:29 pm
38
    
 
ROSS BONNIE
DIR
3
---
---
---
12/5/24
---
---
---
---
---
---
12/9/24 - 7:37:44 pm
39
    
 
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
40
    
 
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
41
    
 
HACKER SEVERIN
CTO,F,DIR,BO
JS
---
3,000
---
11/27/24
---
---
---
All
I
---
12/2/24 - 8:31:55 pm
42
    
 
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
43
    
 
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
44
    
 
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
45
    
 
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
46
    
 
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
47
    
 
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
48
    
 
HACKER SEVERIN
CTO,F,DIR,BO
JB
---
3,000
---
11/12/24
---
---
3,000
New
I
---
12/2/24 - 8:31:55 pm
49
    
 
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
50
    
 
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
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