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Stock Insider Trading Activity of Hacker Severin
Chief Tech Officer, Co-Founder
Avg Cost/Share
$173.06
Shares
10,000
Total Value
$1,727,441.08
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$262.45
Shares
10,000
Total Value
$2,631,299.18
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$315.19
Shares
10,000
Total Value
$3,147,198.33
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$322.86
Shares
10,000
Total Value
$3,216,303.32
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$288.79
Shares
10,000
Total Value
$2,889,373.13
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$268.37
Shares
10,000
Total Value
$2,685,461.75
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$349.14
Shares
10,000
Total Value
$3,445,587.09
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$472.52
Shares
10,000
Total Value
$4,711,992.69
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$525.26
Shares
10,000
Total Value
$5,251,038.75
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$524.29
Shares
10,000
Total Value
$5,247,038.61
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$495.05
Shares
10,000
Total Value
$4,959,527.17
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$316.05
Shares
10,000
Total Value
$3,143,600.87
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$291.95
Shares
10,000
Total Value
$2,924,302.34
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$297.46
Shares
10,000
Total Value
$2,982,514.63
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$290.81
Shares
10,000
Total Value
$2,905,357.24
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$434.46
Shares
10,000
Total Value
$4,339,354.06
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$396.08
Shares
10,000
Total Value
$3,914,551.57
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$334.39
Shares
10,000
Total Value
$3,339,535.33
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$339.28
Shares
10,000
Total Value
$3,362,317.71
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$338.60
Shares
10,000
Total Value
$3,368,202.63
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$339.79
Shares
43,826
Total Value
$14,845,949.06
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$340.87
Shares
41,521
Total Value
$14,129,045.22
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$334.58
Shares
188,901
Total Value
$64,139,078.48
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$168.40
Shares
10,000
Total Value
$1,664,920.00
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$200.41
Shares
10,000
Total Value
$1,986,075.07
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$196.76
Shares
10,000
Total Value
$1,963,870.74
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$225.44
Shares
10,000
Total Value
$2,234,653.10
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$218.65
Shares
10,000
Total Value
$2,184,156.28
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$234.77
Shares
10,000
Total Value
$2,351,324.77
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$178.69
Shares
10,000
Total Value
$1,786,247.17
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$215.06
Shares
10,000
Total Value
$2,142,456.33
Owned After
3,876
Chief Tech Officer, Co-Founder
Avg Cost/Share
$211.84
Shares
10,000
Total Value
$2,128,661.85
Owned After
3,876
| Insider | Ticker | Relationship | Date | Transaction | Avg Cost | Shares | Total Value | Owned After | SEC Forms |
|---|---|---|---|---|---|---|---|---|---|
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Nov 19, 2025 | Sell | $173.06 | 10,000 | $1,727,441.08 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Nov 4, 2025 | Sell | $262.45 | 10,000 | $2,631,299.18 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Oct 20, 2025 | Sell | $315.19 | 10,000 | $3,147,198.33 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Oct 6, 2025 | Sell | $322.86 | 10,000 | $3,216,303.32 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Sep 19, 2025 | Sell | $288.79 | 10,000 | $2,889,373.13 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Sep 5, 2025 | Sell | $268.37 | 10,000 | $2,685,461.75 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Aug 19, 2025 | Sell | $349.14 | 10,000 | $3,445,587.09 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Jun 20, 2025 | Sell | $472.52 | 10,000 | $4,711,992.69 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Jun 5, 2025 | Sell | $525.26 | 10,000 | $5,251,038.75 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | May 19, 2025 | Sell | $524.29 | 10,000 | $5,247,038.61 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | May 5, 2025 | Sell | $495.05 | 10,000 | $4,959,527.17 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Apr 21, 2025 | Sell | $316.05 | 10,000 | $3,143,600.87 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Apr 7, 2025 | Sell | $291.95 | 10,000 | $2,924,302.34 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Mar 19, 2025 | Sell | $297.46 | 10,000 | $2,982,514.63 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Mar 5, 2025 | Sell | $290.81 | 10,000 | $2,905,357.24 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Feb 19, 2025 | Sell | $434.46 | 10,000 | $4,339,354.06 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Feb 5, 2025 | Sell | $396.08 | 10,000 | $3,914,551.57 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Jan 21, 2025 | Sell | $334.39 | 10,000 | $3,339,535.33 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Jan 6, 2025 | Sell | $339.28 | 10,000 | $3,362,317.71 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Dec 19, 2024 | Sell | $338.60 | 10,000 | $3,368,202.63 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Dec 13, 2024 | Sell | $339.79 | 43,826 | $14,845,949.06 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Dec 12, 2024 | Sell | $340.87 | 41,521 | $14,129,045.22 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Dec 11, 2024 | Sell | $334.58 | 188,901 | $64,139,078.48 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Aug 1, 2024 | Sell | $168.40 | 10,000 | $1,664,920.00 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Jul 1, 2024 | Sell | $200.41 | 10,000 | $1,986,075.07 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Jun 3, 2024 | Sell | $196.76 | 10,000 | $1,963,870.74 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | May 1, 2024 | Sell | $225.44 | 10,000 | $2,234,653.10 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Apr 1, 2024 | Sell | $218.65 | 10,000 | $2,184,156.28 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Mar 1, 2024 | Sell | $234.77 | 10,000 | $2,351,324.77 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Feb 1, 2024 | Sell | $178.69 | 10,000 | $1,786,247.17 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Jan 2, 2024 | Sell | $215.06 | 10,000 | $2,142,456.33 | 3,876 | |
| Hacker Severin | DUOL | Chief Tech Officer, Co-Founder | Dec 1, 2023 | Sell | $211.84 | 10,000 | $2,128,661.85 | 3,876 |