Insider Trading & Ownership - Hacker Severin

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Hacker Severin
Goto 0, 1, Next
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2025-04-07
Sale
2025-04-09
4:07 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $292.43 $2,924,302 3,294,391
(Indirect
Direct)
View
2025-03-19
Sale
2025-03-21
6:59 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $298.25 $2,982,515 3,476,541
(Indirect
Direct)
View
2025-03-05
Sale
2025-03-06
8:54 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $290.54 $2,905,357 3,139,391
(Indirect
Direct)
View
2025-02-19
Sale
2025-02-21
4:32 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $433.94 $4,339,354 3,149,391
(Indirect
Direct)
View
2025-02-05
Sale
2025-02-06
7:27 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $391.46 $3,914,552 3,159,391
(Indirect
Direct)
View
2025-01-21
Sale
2025-01-23
4:40 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $333.95 $3,339,535 3,169,391
(Indirect
Direct)
View
2025-01-06
Sale
2025-01-07
4:06 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $336.23 $3,362,318 3,179,391
(Indirect
Direct)
View
2024-12-19
Sale
2024-12-20
4:16 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $336.82 $3,368,203 3,132,931
(Indirect
Direct)
View
2024-12-13
Sale
2024-12-16
4:20 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
43,826 $338.75 $14,845,949 3,176,757
(Indirect
Direct)
View
2024-12-12
Sale
2024-12-13
5:09 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
41,521 $340.29 $14,129,045 3,218,278
(Indirect
Direct)
View
2024-12-11
Sale
2024-12-13
4:04 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
188,901 $339.54 $64,139,078 3,522,869
(Indirect
Direct)
View
2024-08-01
Sale
2024-08-02
4:34 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $166.49 $1,664,920 3,018,719
(Indirect
Direct)
View
2024-07-01
Sale
2024-07-02
4:58 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $198.61 $1,986,075 3,028,719
(Indirect
Direct)
View
2024-06-03
Sale
2024-06-05
4:32 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $196.39 $1,963,871 3,038,719
(Indirect
Direct)
View
2024-05-01
Sale
2024-05-03
7:39 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $223.47 $2,234,653 3,048,719
(Indirect
Direct)
View
2024-04-01
Sale
2024-04-02
4:30 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $218.42 $2,184,156 3,058,719
(Indirect
Direct)
View
2024-03-01
Sale
2024-03-04
4:40 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $235.13 $2,351,325 3,078,719
(Indirect
Direct)
View
2024-02-01
Sale
2024-02-05
4:17 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $178.62 $1,786,247 3,088,719
(Indirect
Direct)
View
2024-01-02
Sale
2024-01-03
4:52 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $214.25 $2,142,456 3,098,719
(Indirect
Direct)
View
2023-12-01
Sale
2023-12-04
4:10 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $212.87 $2,128,662 3,108,719
(Indirect
Direct)
View
2023-11-01
Sale
2023-11-02
4:29 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $146.57 $1,465,700 3,118,719
(Indirect
Direct)
View
2023-10-02
Sale
2023-10-05
4:14 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $165.26 $1,652,569 3,128,719
(Indirect
Direct)
View
2023-09-01
Sale
2023-09-06
8:43 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $148.8 $1,487,982 6,249,636
(Indirect
Direct)
View
2023-05-01
Sale
2023-05-02
7:34 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $138.35 $1,383,485 3,193,489
(Indirect
Direct)
View
2023-04-03
Sale
2023-04-04
4:20 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $142.26 $1,422,555 3,203,489
(Indirect
Direct)
View
2023-03-01
Sale
2023-03-02
9:50 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $108.22 $1,082,165 3,213,489
(Indirect
Direct)
View
2023-02-01
Sale
2023-02-02
8:06 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $95.59 $955,859 3,223,489
(Indirect
Direct)
View
2023-01-09
Sale
2023-01-11
4:44 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $75.07 $750,680 6,465,606
(Indirect
Direct)
View
2022-12-14
Sale
2022-12-15
4:44 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $75.5 $755,032 3,246,989
(Indirect
Direct)
View
2022-11-01
Sale
2022-11-02
4:52 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $81.81 $818,110 3,256,989
(Indirect
Direct)
View
2022-10-03
Sale
2022-10-04
4:46 pm
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $96.54 $965,418 3,266,989
(Indirect
Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2025-04-07
Conversion
2025-04-09
4:07 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $38.08 3,294,391
(Direct)
View
2025-04-07
Exercise
2025-04-09
4:07 pm
N/A
2030-12-02
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,294,391
(Direct)
View
2025-04-07
Conversion
2025-04-09
4:07 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
20,000 $0 3,294,391
(Direct)
View
2025-03-19
Conversion
2025-03-21
6:59 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
252 $14.42 3,476,541
(Direct)
View
2025-03-19
Conversion
2025-03-21
6:59 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
9,748 $38.08 3,476,541
(Direct)
View
2025-03-19
Exercise
2025-03-21
6:59 pm
N/A
2029-12-12
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,476,541
(Direct)
View
2025-03-19
Conversion
2025-03-21
6:59 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
20,000 $0 3,476,541
(Direct)
View
2025-03-05
Conversion
2025-03-06
8:54 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $14.42 3,139,391
(Direct)
View
2025-03-05
Exercise
2025-03-06
8:54 pm
N/A
2029-12-12
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,139,391
(Direct)
View
2025-03-05
Conversion
2025-03-06
8:54 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
20,000 $0 3,139,391
(Direct)
View
2025-02-19
Conversion
2025-02-21
4:32 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $14.42 3,149,391
(Direct)
View
2025-02-19
Exercise
2025-02-21
4:32 pm
N/A
2029-12-12
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,149,391
(Direct)
View
2025-02-19
Conversion
2025-02-21
4:32 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
20,000 $0 3,149,391
(Direct)
View
2025-02-05
Exercise
2025-02-06
7:27 pm
N/A
2029-12-12
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,159,391
(Direct)
View
2025-02-05
Conversion
2025-02-06
7:27 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
20,000 $0 3,159,391
(Direct)
View
2025-01-21
Conversion
2025-01-23
4:40 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $14.42 3,169,391
(Direct)
View
2025-01-21
Exercise
2025-01-23
4:40 pm
N/A
2029-12-12
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,169,391
(Direct)
View
2025-01-21
Conversion
2025-01-23
4:40 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
20,000 $0 3,169,391
(Direct)
View
2025-01-06
Exercise
2025-01-07
4:06 pm
N/A
2029-12-12
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,179,391
(Direct)
View
2025-01-06
Conversion
2025-01-07
4:06 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
20,000 $0 3,179,391
(Direct)
View
2024-12-26
Exercise
2025-01-03
5:40 pm
N/A
2031-06-21
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
120,000 $0 3,610,837
(Direct)
View
2024-12-26
Tax Withholding
2025-01-03
5:40 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
31,770 $341.88 3,610,837
(Direct)
View
2024-12-19
Exercise
2024-12-20
4:16 pm
N/A
2029-12-12
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,132,931
(Direct)
View
2024-12-19
Conversion
2024-12-20
4:16 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
20,000 $0 3,132,931
(Direct)
View
2024-12-13
Exercise
2024-12-16
4:20 pm
N/A
2029-12-12
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
43,826 $0 3,176,757
(Direct)
View
2024-12-13
Conversion
2024-12-16
4:20 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
87,652 $0 3,176,757
(Direct)
View
2024-12-12
Exercise
2024-12-13
5:09 pm
N/A
2029-12-12
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
41,521 $0 3,218,278
(Direct)
View
2024-12-12
Conversion
2024-12-13
5:09 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
83,042 $0 3,218,278
(Direct)
View
2024-12-11
Exercise
2024-12-13
4:04 pm
N/A
2029-02-14
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
188,901 $0 3,522,869
(Direct)
View
2024-12-11
Conversion
2024-12-13
4:04 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
566,703 $0 3,522,869
(Direct)
View
2024-11-27
Gift
2024-12-02
8:31 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
3,000 $0 3,014,834
(Indirect)
View
2024-11-12
Conversion
2024-12-02
8:31 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
3,000 $0 3,014,834
(Indirect)
View
2024-11-22
Tax Withholding(A)
2024-11-27
9:57 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
15,885 $351.97 57,845
(Direct)
View
2024-11-22
Tax Withholding
2024-11-26
4:16 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
14,115 $351.97 3,499,532
(Direct)
View
2024-11-22
Exercise
2024-11-26
4:16 pm
N/A
2031-06-21
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
30,000 $0 3,499,532
(Direct)
View
2024-08-26
Gift
2024-08-26
4:25 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
15,000 $0 3,003,719
(Indirect)
View
2024-08-22
Conversion
2024-08-26
4:25 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
15,000 $0 3,003,719
(Indirect)
View
2024-08-01
Conversion
2024-08-02
4:34 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,018,719
(Indirect)
View
2024-07-01
Conversion
2024-07-02
4:58 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,028,719
(Indirect)
View
2024-06-03
Conversion
2024-06-05
4:32 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,038,719
(Indirect)
View
2024-05-01
Conversion
2024-05-03
7:39 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,048,719
(Indirect)
View
2024-04-01
Conversion
2024-04-02
4:30 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,058,719
(Indirect)
View
2024-03-13
Gift
2024-03-15
7:46 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,068,719
(Indirect)
View
2024-03-13
Conversion
2024-03-15
7:46 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,068,719
(Indirect)
View
2024-03-01
Conversion
2024-03-04
4:40 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,078,719
(Indirect)
View
2024-02-01
Conversion
2024-02-05
4:17 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,088,719
(Indirect)
View
2024-01-02
Conversion
2024-01-03
4:52 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,098,719
(Indirect)
View
2023-12-01
Conversion
2023-12-04
4:10 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,108,719
(Indirect)
View
2023-11-01
Conversion
2023-11-02
4:29 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,118,719
(Indirect)
View
2023-10-02
Conversion
2023-10-05
4:14 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,128,719
(Indirect)
View
2023-09-15
Gift
2023-09-19
4:18 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
3,000 $0 3,094,989
(Indirect)
View
2023-08-30
Conversion
2023-09-19
4:18 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
3,000 $0 3,094,989
(Indirect)
View
2023-05-31
Gift
2023-09-06
8:43 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
70,000 $0 6,249,636
(Indirect)
View
2023-09-01
Conversion
2023-09-06
8:43 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 6,249,636
(Indirect)
View
2023-08-14
Tax Withholding
2023-08-16
9:11 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
31,770 $137.45 3,761,647
(Indirect)
View
2023-08-14
Exercise
2023-08-16
9:11 pm
N/A
2031-06-21
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
60,000 $0 3,761,647
(Direct)
View
2023-05-01
Conversion
2023-05-02
7:34 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,193,489
(Indirect)
View
2023-04-03
Conversion
2023-04-04
4:20 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,203,489
(Indirect)
View
2023-03-01
Conversion
2023-03-02
9:50 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,213,489
(Indirect)
View
2023-02-01
Conversion
2023-02-02
8:06 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,223,489
(Indirect)
View
2022-12-12
Gift
2023-01-27
4:28 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
3,500 $0 3,217,989
(Indirect)
View
2022-12-12
Conversion
2023-01-27
4:28 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
3,500 $0 3,217,989
(Indirect)
View
2023-01-09
Conversion
2023-01-11
4:44 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 6,465,606
(Indirect)
View
2022-12-14
Conversion
2022-12-15
4:44 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,246,989
(Indirect)
View
2022-11-01
Conversion
2022-11-02
4:52 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,256,989
(Indirect)
View
2022-10-03
Conversion
2022-10-04
4:46 pm
N/A
N/A
Duolingo Inc. DUOL Hacker Severin
Chief Tech Officer, Co-Founder
10% Owner
10,000 $0 3,266,989
(Indirect)
View
(A) Indicate amendment filing.
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