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Chen Stephen C. - Insider Transactions

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Ticker Owner Relationship Date Transaction Cost #Shares Value ($) #Shares Total SEC Form 4
DUOLChen Stephen C.General CounselNov 17 '25Sale177.951,282228,13233,056Nov 19 04:20 PM
DUOLChen Stephen C.General CounselNov 18 '25Sale175.871,514266,26531,542Nov 19 04:20 PM
DUOLSTEPHEN CHEN OfficerNov 18 '25Proposed Sale178.271,514269,901Nov 18 04:22 PM
DUOLSTEPHEN CHENOfficerNov 17 '25Proposed Sale177.951,282228,135Nov 17 04:02 PM
DUOLChen Stephen C.General CounselSep 18 '25Option Exercise14.421,70024,51434,338Sep 19 09:36 PM
DUOLChen Stephen C.General CounselAug 26 '25Sale321.361,515486,86032,638Aug 28 04:37 PM
DUOLSTEPHEN CHEN OfficerAug 26 '25Proposed Sale321.441,515486,982Aug 26 04:30 PM
DUOLChen Stephen C.General CounselAug 15 '25Sale329.031,282421,81634,153Aug 18 05:22 PM
DUOLSTEPHEN CHENOfficerAug 15 '25Proposed Sale329.031,282421,821Aug 15 04:13 PM
DUOLChen Stephen C.General CounselMay 16 '25Sale526.942,6351,388,48036,185May 19 04:22 PM
DUOLChen Stephen C.General CounselMay 15 '25Sale531.711,257668,35938,820May 16 04:14 PM
DUOLSTEPHEN CHEN OfficerMay 16 '25Proposed Sale530.522,6351,397,920May 16 04:13 PM
DUOLSTEPHEN CHENOfficerMay 15 '25Proposed Sale531.711,257668,354May 15 05:02 PM
DUOLChen Stephen C.General CounselFeb 18 '25Sale435.122,064898,09134,634Feb 19 07:20 PM
DUOLSTEPHEN CHEN OfficerFeb 19 '25Proposed Sale441.391,828806,861Feb 19 04:27 PM
DUOLSTEPHEN CHENOfficerFeb 18 '25Proposed Sale435.28898390,884Feb 18 05:49 PM
DUOLSTEPHEN CHEN OfficerFeb 18 '25Proposed Sale432.691,166504,517Feb 18 04:23 PM
DUOLChen Stephen C.General CounselFeb 06 '25Option Exercise14.421,33119,19336,698Feb 07 06:12 PM
DUOLChen Stephen C.General CounselDec 19 '24Option Exercise14.423,70053,35435,367Dec 20 04:15 PM
DUOLChen Stephen C.General CounselNov 18 '24Sale308.472,642814,96731,667Nov 20 04:46 PM
DUOLSTEPHEN CHEN OfficerNov 18 '24Proposed Sale307.322,642811,939Nov 18 05:12 PM
DUOLChen Stephen C.General CounselNov 15 '24Sale309.301,249386,31634,309Nov 18 04:14 PM
DUOLSTEPHEN CHENOfficerNov 15 '24Proposed Sale309.301,249386,310Nov 15 06:19 PM
DUOLChen Stephen C.General CounselAug 30 '24Option Exercise14.427,382106,44855,022Sep 03 08:52 PM
DUOLChen Stephen C.General CounselAug 30 '24Sale211.5519,4644,117,67435,558Sep 03 08:52 PM
DUOLSTEPHEN CHEN OfficerAug 30 '24Proposed Sale207.5519,4644,039,753Aug 30 04:22 PM
DUOLChen Stephen C.General CounselAug 15 '24Sale199.501,249249,17647,640Aug 16 04:37 PM
DUOLSTEPHEN CHENOfficerAug 15 '24Proposed Sale199.501,249249,178Aug 15 05:12 PM
DUOLChen Stephen C.General CounselJun 28 '24Option Exercise14.426,71596,83048,889Jul 02 04:54 PM
DUOLChen Stephen C.General CounselFeb 09 '24Option Exercise14.422,00028,84037,033Feb 12 04:18 PM
DUOLChen Stephen C.General CounselFeb 09 '24Sale190.002,000380,00035,033Feb 12 04:18 PM
DUOLChen Stephen C.General CounselJan 04 '24Option Exercise14.4218,000259,56053,033Jan 05 07:33 PM
DUOLChen Stephen C.General CounselJan 04 '24Sale206.8718,0003,723,62935,033Jan 05 07:33 PM
DUOLChen Stephen C.General CounselNov 15 '23Sale209.78988207,26335,033Nov 16 08:44 PM
DUOLChen Stephen C.General CounselSep 08 '23Option Exercise14.425,32576,78641,346Sep 12 09:39 PM
DUOLChen Stephen C.General CounselSep 11 '23Option Exercise14.428,842127,50244,863Sep 12 09:39 PM
DUOLChen Stephen C.General CounselSep 11 '23Sale160.388,8421,418,10336,021Sep 12 09:39 PM
DUOLChen Stephen C.General CounselSep 08 '23Sale160.085,325852,43736,021Sep 12 09:39 PM
DUOLChen Stephen C.General CounselAug 15 '23Sale132.44988130,85136,021Aug 17 04:18 PM
DUOLChen Stephen C.General CounselMay 15 '23Sale140.8366994,21525,884May 16 04:45 PM
DUOLChen Stephen C.General CounselMar 21 '23Option Exercise14.429,252133,41435,805Mar 22 04:19 PM
DUOLChen Stephen C.General CounselMar 21 '23Sale130.439,2521,206,73626,553Mar 22 04:19 PM
DUOLChen Stephen C.General CounselMar 07 '23Option Exercise14.4210,748154,98637,301Mar 08 08:12 PM
DUOLChen Stephen C.General CounselMar 07 '23Sale130.1010,7481,398,36726,553Mar 08 08:12 PM
DUOLChen Stephen C.General CounselFeb 15 '23Sale96.9448446,91926,553Feb 17 04:19 PM
DUOLChen Stephen C.General CounselNov 15 '22Sale74.3167450,08527,037Nov 17 06:48 PM
DUOLChen Stephen C.General CounselAug 15 '22Sale106.3767371,58727,711Aug 17 04:31 PM
DUOLChen Stephen C.General CounselJun 24 '22Option Exercise14.4225,358365,66253,742Jun 27 07:11 PM
DUOLChen Stephen C.General CounselJun 24 '22Sale103.5225,3582,625,10928,384Jun 27 07:11 PM
DUOLChen Stephen C.General CounselJun 21 '22Option Exercise14.4210,535151,91538,919Jun 22 05:42 PM
DUOLChen Stephen C.General CounselJun 21 '22Sale102.1410,5351,076,07928,384Jun 22 05:42 PM
DUOLChen Stephen C.General CounselJun 09 '22Option Exercise14.421001,44228,484Jun 10 04:50 PM
DUOLChen Stephen C.General CounselJun 08 '22Option Exercise14.424,00757,78132,391Jun 10 04:50 PM
DUOLChen Stephen C.General CounselJun 08 '22Sale102.124,007409,20928,384Jun 10 04:50 PM
DUOLChen Stephen C.General CounselJun 09 '22Sale102.1210010,21228,384Jun 10 04:50 PM
DUOLChen Stephen C.General CounselMay 16 '22Sale90.97756,82328,384May 18 05:14 PM
DUOLChen Stephen C.General CounselFeb 28 '22Option Exercise14.425,00072,1009,394Mar 02 05:00 PM
DUOLChen Stephen C.General CounselFeb 15 '22Sale98.01979,5074,394Feb 17 07:24 PM
DUOLChen Stephen C.General CounselNov 15 '21Option Exercise13.9918,043252,33621,990Nov 17 04:52 PM
DUOLChen Stephen C.General CounselNov 15 '21Sale143.2817,8402,556,1234,491Nov 17 04:52 PM
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