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Insider Transactions by John Cox

Symbol CompanyOwnerRelationshipDateTransactionCost# SharesValue ($)Total SharesFiling
DYNDyne Therapeutics, Inc.John CoxCEO & PresidentDec 05, 2025Sale$20.722,66255,157196,877Dec 05, 2025, 04:11 PM
DYNDyne Therapeutics, Inc.John CoxCEO & PresidentSep 05, 2025Sale$13.412,64035,402199,539Sep 09, 2025, 04:31 PM
DYNDyne Therapeutics, Inc.John CoxCEO & PresidentJul 14, 2025Buy$9.11100,000911,000242,179Jul 15, 2025, 05:11 PM
DYNDyne Therapeutics, Inc.John CoxCEO & PresidentJul 15, 2025Gift-40,000-232,179Jul 15, 2025, 05:11 PM
DYNDyne Therapeutics, Inc.John CoxCEO & PresidentJun 05, 2025Sale$13.354,06054,201142,179Jun 06, 2025, 04:07 PM
DYNDyne Therapeutics, Inc.John CoxCEO & PresidentMar 05, 2025Sale$11.834,06148,042146,239Mar 07, 2025, 04:07 PM
DYNDyne Therapeutics, Inc.John CoxCEO & PresidentSep 04, 2024Buy$33.048,000264,3048,000Sep 04, 2024, 05:42 PM
DYNDyne Therapeutics, Inc.John CoxCEO & PresidentSep 04, 2024Buy$33.048,000264,3048,000Sep 04, 2024, 05:42 PM
DYNDyne Therapeutics, Inc.John CoxCEO & PresidentSep 04, 2024Buy$33.048,000264,3048,000Sep 04, 2024, 05:42 PM
DYNDyne Therapeutics, Inc.John CoxCEO & PresidentSep 04, 2024Buy$33.048,000264,3048,000Sep 04, 2024, 05:42 PM
RGENREPLIGEN CORPJohn CoxDirectorMar 24, 2020Sale$96.721,858179,706923Mar 26, 2020, 07:31 PM
RGENREPLIGEN CORPJohn CoxDirectorMar 18, 2020Option/RSU Exercise$24.3726,736651,60329,517Mar 20, 2020, 04:25 PM
RGENREPLIGEN CORPJohn CoxDirectorMar 18, 2020Sale$95.2726,7362,547,0354,984Mar 20, 2020, 04:25 PM
RGENREPLIGEN CORPJohn CoxDirectorMar 04, 2020Option/RSU Exercise$12.9110,000129,10012,781Mar 05, 2020, 05:52 PM
RGENREPLIGEN CORPJohn CoxDirectorMar 04, 2020Sale$93.3910,000933,9002,781Mar 05, 2020, 05:52 PM
RGENREPLIGEN CORPJohn CoxDirectorFeb 24, 2020Sale$92.814,455413,4557,136Feb 26, 2020, 04:27 PM
BIIBBIOGEN INC.John CoxEVP Pharmaceutical Oper & TechFeb 23, 2016Option/RSU Exercise-810-30,898Feb 25, 2016, 05:04 PM
BIIBBIOGEN INC.John CoxEVP Pharmaceutical Oper & TechFeb 23, 2016Tax Payment (Shares)$258.9938298,93430,516Feb 25, 2016, 05:04 PM
BIIBBIOGEN INC.John CoxEVP Pharmaceutical Oper & TechFeb 12, 2016Tax Payment (Shares)$247.221,552383,68530,088Feb 17, 2016, 06:01 PM
BIIBBIOGEN INC.John CoxEVP Pharmaceutical Oper & TechFeb 12, 2016Option/RSU Exercise-3,298-31,145Feb 17, 2016, 06:01 PM
BIIBBIOGEN INC.John CoxEVP Pharmaceutical Oper & TechFeb 08, 2016Tax Payment (Shares)$250.771,324332,01928,342Feb 09, 2016, 04:51 PM
BIIBBIOGEN INC.John CoxEVP Pharmaceutical Oper & TechFeb 08, 2016Option/RSU Exercise-4,026-29,666Feb 09, 2016, 04:51 PM
BIIBBIOGEN INC.John CoxEVP Pharmaceutical Oper & TechMar 25, 2015Option/RSU Exercise$65.855,066333,57137,577Mar 26, 2015, 04:31 PM
BIIBBIOGEN INC.John CoxEVP Pharmaceutical Oper & TechMar 25, 2015Sale$449.0612,0105,393,21125,567Mar 26, 2015, 04:31 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 12, 2015Tax Payment (Shares)$392.111,761690,50632,511Feb 17, 2015, 08:40 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 12, 2015Option/RSU Exercise-3,738-33,214Feb 17, 2015, 08:40 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 09, 2015Tax Payment (Shares)$396.882,210877,10530,534Feb 10, 2015, 05:07 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 09, 2015Option/RSU Exercise-4,691-32,744Feb 10, 2015, 05:07 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 08, 2015Tax Payment (Shares)$402.001,537617,87428,053Feb 10, 2015, 05:07 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 08, 2015Option/RSU Exercise-4,023-29,590Feb 10, 2015, 05:07 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 23, 2014Tax Payment (Shares)$347.111,228426,25125,478Feb 25, 2014, 02:17 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 23, 2014Option/RSU Exercise-2,598-26,706Feb 25, 2014, 02:17 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 12, 2014Option/RSU Exercise-2,246-25,167Feb 14, 2014, 04:34 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 12, 2014Tax Payment (Shares)$323.041,059342,09924,108Feb 14, 2014, 04:34 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 08, 2014Option/RSU Exercise-4,023-21,883Feb 11, 2014, 06:07 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 09, 2014Tax Payment (Shares)$315.542,212697,97422,921Feb 11, 2014, 06:07 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 09, 2014Option/RSU Exercise-4,691-25,133Feb 11, 2014, 06:07 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 08, 2014Tax Payment (Shares)$315.541,441454,69320,442Feb 11, 2014, 06:07 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechNov 25, 2013Gift-200-17,860Dec 04, 2013, 12:05 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechMay 03, 2013Tax Payment (Shares)$218.85866189,52418,060May 07, 2013, 01:33 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 23, 2013Tax Payment (Shares)$164.401,227201,71918,759Feb 26, 2013, 01:26 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 23, 2013Option/RSU Exercise-2,598-19,986Feb 26, 2013, 01:26 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 09, 2013Option/RSU Exercise-4,692-19,224Feb 12, 2013, 05:10 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 08, 2013Tax Payment (Shares)$164.441,133186,31114,532Feb 12, 2013, 05:10 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 08, 2013Option/RSU Exercise-3,487-15,665Feb 12, 2013, 05:10 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 09, 2013Tax Payment (Shares)$164.441,836301,91217,388Feb 12, 2013, 05:10 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechMay 03, 2012Tax Payment (Shares)$134.26765102,70912,178May 04, 2012, 02:03 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 24, 2012Tax Payment (Shares)$116.391,578183,66313,506Feb 27, 2012, 04:19 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 23, 2012Tax Payment (Shares)$116.701,085126,61914,291Feb 27, 2012, 04:19 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 23, 2012Option/RSU Exercise-2,600-15,376Feb 27, 2012, 04:19 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 09, 2012Tax Payment (Shares)$117.781,504177,14112,776Feb 13, 2012, 04:28 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 09, 2012Option/RSU Exercise-4,692-14,280Feb 13, 2012, 04:28 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechNov 01, 2011Sale$114.372,175248,7559,588Nov 03, 2011, 10:52 AM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechNov 01, 2011Option/RSU Exercise$72.872,175158,49211,763Nov 03, 2011, 10:52 AM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechMay 03, 2011Tax Payment (Shares)$97.9976574,9629,588May 04, 2011, 02:51 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechApr 21, 2011Option/RSU Exercise$72.874,350316,98514,703Apr 25, 2011, 02:02 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechApr 21, 2011Sale$100.004,350435,00010,353Apr 25, 2011, 02:02 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechApr 13, 2011Option/RSU Exercise$56.7336,2342,055,64646,587Apr 15, 2011, 11:50 AM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechApr 13, 2011Sale$80.0036,2342,898,72010,353Apr 15, 2011, 11:50 AM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechApr 11, 2011Option/RSU Exercise$47.926,900330,64817,253Apr 13, 2011, 10:14 AM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechApr 11, 2011Sale$78.006,900538,20010,353Apr 13, 2011, 10:14 AM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechMar 31, 2011Option/RSU Exercise$43.502,840123,54012,658Apr 01, 2011, 03:20 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechMar 31, 2011Sale$73.002,840207,3209,818Apr 01, 2011, 03:20 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechMar 02, 2011Sale$70.104,041283,25912,401Mar 03, 2011, 03:10 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 24, 2011Tax Payment (Shares)$67.261,20280,84714,463Feb 28, 2011, 03:32 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 23, 2011Tax Payment (Shares)$66.7668045,39715,190Feb 25, 2011, 03:56 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 23, 2011Option/RSU Exercise-2,138-15,741Feb 25, 2011, 03:56 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 17, 2011Sale$67.081,843123,62013,603Feb 18, 2011, 03:06 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechFeb 12, 2011Tax Payment (Shares)$65.8391059,90515,446Feb 15, 2011, 02:27 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechNov 09, 2010Sale$62.8777348,59716,356Nov 10, 2010, 02:21 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechNov 09, 2010Sale$62.8777348,59716,356Nov 10, 2010, 02:21 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechNov 01, 2010Tax Payment (Shares)$62.5536022,51817,894Nov 03, 2010, 01:50 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechNov 01, 2010Tax Payment (Shares)$62.5536022,51817,894Nov 03, 2010, 01:50 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechNov 02, 2010Sale$63.0476548,22817,129Nov 03, 2010, 01:50 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechNov 02, 2010Sale$63.0476548,22817,129Nov 03, 2010, 01:50 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechOct 28, 2010Option/RSU Exercise$33.976,900234,39325,154Oct 29, 2010, 02:25 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechOct 28, 2010Sale$63.006,900434,70018,254Oct 29, 2010, 02:25 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechOct 28, 2010Option/RSU Exercise$33.976,900234,39325,154Oct 29, 2010, 02:25 PM
BIIBBIOGEN IDEC INC.John CoxEVP Pharmaceutical Oper & TechOct 28, 2010Sale$63.006,900434,70018,254Oct 29, 2010, 02:25 PM