Insider Transactions by Shandell Jason B.

SymbolRelationshipDateTransactionCost# SharesValue($)Total SharesForm 4
AMPHPresident and General CounselMar 17, 2020 Option Exercise$14.509,299134,836179,276Mar 18, 2020, 05:31 PM
AMPHPresident and General CounselMar 16, 2020 Option Exercise$13.037,893102,846124,109Mar 18, 2020, 05:31 PM
AMPHPresident and General CounselMar 15, 2020 Option Exercise$14.196,89697,854132,002Mar 17, 2020, 08:05 PM
AMPHPresident and General CounselFeb 07, 2020 Option Exercise$14.406,85398,683145,751Feb 07, 2020, 08:08 PM
AMPHPresident and General CounselFeb 06, 2020 Option Exercise$14.4021,933315,835160,831Feb 07, 2020, 08:08 PM
AMPHPresident and General CounselFeb 05, 2020 Option Exercise$14.4015,615224,856154,513Feb 07, 2020, 08:08 PM
AMPHPresident and General CounselFeb 07, 2020 Sale$19.886,853136,260138,898Feb 07, 2020, 08:08 PM
AMPHPresident and General CounselFeb 06, 2020 Sale$19.8321,933434,951138,898Feb 07, 2020, 08:08 PM
AMPHPresident and General CounselFeb 05, 2020 Sale$19.5715,615305,554138,898Feb 07, 2020, 08:08 PM
AMPHPresident and General CounselJan 08, 2020 Option Exercise$10.9325,000273,250163,898Jan 10, 2020, 04:05 PM
AMPHPresident and General CounselJan 08, 2020 Sale$18.4425,000460,978138,898Jan 10, 2020, 04:05 PM
AMPHPresident and General CounselDec 18, 2019 Sale$19.138,205156,958138,898Dec 20, 2019, 04:06 PM
AMPHPresident and General CounselSep 18, 2019 Sale$21.327,340156,509147,103Sep 20, 2019, 04:05 PM
AMPHPresident and General CounselJul 10, 2019 Sale$20.316,615134,333154,443Jul 12, 2019, 07:05 PM
AMPHPresident and General CounselMay 01, 2019 Option Exercise$10.9310,000109,300169,947May 02, 2019, 04:07 PM
AMPHPresident and General CounselMay 01, 2019 Sale$21.9710,000219,700159,947May 02, 2019, 04:07 PM
AMPHPresident and General CounselApr 16, 2019 Sale$20.679,478195,879159,947Apr 18, 2019, 04:05 PM
AMPHPresident and General CounselMar 26, 2019 Option Exercise$20.546,603135,626169,425Mar 27, 2019, 09:53 PM
AMPHPresident and General CounselMar 17, 2019 Option Exercise$20.239,876199,791176,028Mar 18, 2019, 07:56 PM
AMPHPresident and General CounselMar 16, 2019 Option Exercise$20.238,381169,548185,904Mar 18, 2019, 07:56 PM
AMPHPresident and General CounselMar 15, 2019 Option Exercise$20.235,255106,309194,285Mar 18, 2019, 07:56 PM
AMPHPresident and General CounselMar 15, 2019 Option Exercise$10.9324,508267,872184,998Mar 18, 2019, 07:56 PM
AMPHPresident and General CounselMar 14, 2019 Sale$20.377,828159,489160,490Mar 18, 2019, 07:56 PM
AMPHPresident and General CounselMar 15, 2019 Sale$20.3424,508498,441160,490Mar 18, 2019, 07:56 PM
AMPHPresident and General CounselMar 01, 2019 Option Exercise$20.267,500151,950175,818Mar 01, 2019, 08:01 PM
AMPHPresident and General CounselMar 01, 2019 Sale$24.997,500187,425168,318Mar 01, 2019, 08:01 PM
AMPHPresident and General CounselFeb 14, 2019 Option Exercise$15.237,519114,514175,837Feb 15, 2019, 04:56 PM
AMPHPresident and General CounselFeb 14, 2019 Sale$23.997,519180,381168,318Feb 15, 2019, 04:56 PM
AMPHPresident and General CounselJan 23, 2019 Sale$22.3915,497347,019168,518Jan 25, 2019, 04:11 PM
AMPHPresident and General CounselDec 03, 2018 Option Exercise$10.4816,630174,282200,445Dec 06, 2018, 03:54 PM
AMPHPresident and General CounselDec 03, 2018 Sale$22.4416,630373,177183,815Dec 06, 2018, 03:54 PM
AMPHPresident and General CounselNov 14, 2018 Sale$20.4116,015326,855183,890Nov 15, 2018, 07:20 PM
AMPHPresident and General CounselNov 08, 2018 Option Exercise$10.6536,201385,711235,706Nov 09, 2018, 09:52 PM
AMPHPresident and General CounselNov 09, 2018 Option Exercise$10.4616,095168,354215,600Nov 09, 2018, 09:52 PM
AMPHPresident and General CounselNov 09, 2018 Sale$20.9916,095337,834199,505Nov 09, 2018, 09:52 PM
AMPHPresident and General CounselNov 08, 2018 Sale$20.6836,201748,586199,505Nov 09, 2018, 09:52 PM
AMPHPresident and General CounselJul 11, 2018 Sale$16.7714,399241,422199,505Jul 12, 2018, 05:53 PM
AMPHPresident and General CounselMar 27, 2018 Option Exercise$18.477,833144,676212,561Mar 28, 2018, 05:22 PM
AMPHPresident and General CounselMar 26, 2018 Option Exercise$18.614,49283,596220,394Mar 28, 2018, 05:22 PM
AMPHPresident and General CounselMar 16, 2018 Option Exercise$19.915,495109,405251,372Mar 20, 2018, 08:02 PM
AMPHPresident and General CounselMar 17, 2018 Option Exercise$19.916,486129,136244,886Mar 20, 2018, 08:02 PM
AMPHPresident and General CounselMar 20, 2018 Sale$19.528,293161,871224,886Mar 20, 2018, 08:02 PM
AMPHPresident and General CounselMar 19, 2018 Sale$19.3711,707226,767233,179Mar 20, 2018, 08:02 PM
AMPHPresident and General CounselMar 14, 2018 Option Exercise$11.794004,716217,348Mar 15, 2018, 04:15 PM
AMPHPresident and General CounselMar 13, 2018 Option Exercise$11.793003,537217,248Mar 15, 2018, 04:15 PM
AMPHPresident and General CounselMar 14, 2018 Sale$20.454008,180216,948Mar 15, 2018, 04:15 PM
AMPHPresident and General CounselMar 13, 2018 Sale$20.453006,135216,948Mar 15, 2018, 04:15 PM
AMPHPresident and General CounselJan 25, 2018 Sale$19.268,661166,822226,914Jan 26, 2018, 06:02 PM
AMPHPresident and General CounselJan 26, 2018 Sale$19.569,966194,925216,948Jan 26, 2018, 06:02 PM
AMPHPresident and General CounselJul 05, 2017 Option Exercise$17.953,39460,922235,493Jul 07, 2017, 04:51 PM
AMPHDirectorMay 31, 2017 Sale$17.263,65463,070237,688Jun 01, 2017, 08:05 PM
AMPHDirectorMay 30, 2017 Sale$16.767,828131,230241,342Jun 01, 2017, 08:05 PM
AMPHPresident and General CounselMar 27, 2017 Option Exercise$14.275,93884,735249,170Mar 28, 2017, 08:08 PM
AMPHPresident and General CounselMar 26, 2017 Option Exercise$13.764,71464,865255,108Mar 28, 2017, 08:08 PM
AMPHPresident and General CounselMar 17, 2017 Option Exercise$13.757,04996,924259,822Mar 20, 2017, 08:58 PM
AMPHPresident and General CounselNov 28, 2016 Option Exercise$10.9324,292265,512227,253Nov 29, 2016, 06:13 PM
AMPHPresident and General CounselNov 25, 2016 Option Exercise$10.932,04322,330205,004Nov 29, 2016, 06:13 PM
AMPHPresident and General CounselNov 28, 2016 Sale$20.4724,292497,201202,961Nov 29, 2016, 06:13 PM
AMPHPresident and General CounselNov 25, 2016 Sale$20.592,04342,057202,961Nov 29, 2016, 06:13 PM
AMPHPresident and General CounselSep 26, 2016 Option Exercise$10.9356,996622,966259,957Sep 27, 2016, 06:26 PM
AMPHPresident and General CounselSep 26, 2016 Sale$19.5056,9961,111,268202,961Sep 27, 2016, 06:26 PM
AMPHPresident and General CounselAug 22, 2016 Option Exercise$10.4610,000104,600212,961Aug 24, 2016, 06:38 PM
AMPHPresident and General CounselAug 22, 2016 Sale$19.9510,000199,500202,961Aug 24, 2016, 06:38 PM
AMPHPresident and General CounselAug 17, 2016 Sale$18.865,987112,909202,961Aug 19, 2016, 07:23 PM
AMPHPresidentAug 11, 2016 Sale$18.015,636101,482208,948Aug 15, 2016, 07:37 PM
AMPHPresident and General CounselJul 05, 2016 Option Exercise$16.333,39455,424214,584Jul 07, 2016, 04:39 PM
AMPHPresidentJun 09, 2016 Sale$16.439,904162,723216,610Jun 13, 2016, 08:16 PM
AMPHPresidentMay 25, 2016 Sale$15.601,07416,754226,514May 26, 2016, 07:19 PM
AMPHPresidentMar 27, 2016 Option Exercise$11.965,93871,018227,588Mar 29, 2016, 07:24 PM
AMPHPresidentMar 26, 2016 Option Exercise$11.964,71456,379233,526Mar 29, 2016, 07:24 PM
AMPHPresidentOct 03, 2015 Option Exercise$11.6998711,538159,030Oct 06, 2015, 04:30 PM
AMPHPresidentSep 28, 2015 Option Exercise$10.977708,447160,017Sep 30, 2015, 04:30 PM
AMPHPresidentJul 05, 2015 Option Exercise$17.243,39458,513160,787Jul 07, 2015, 05:14 PM
AMPHPresidentMar 27, 2015 Option Exercise$15.435,89590,960164,181Jul 07, 2015, 05:14 PM
AMPHPresidentOct 03, 2014 Option Exercise$11.4198811,273119,909Mar 30, 2015, 06:02 AM
AMPHPresidentSep 26, 2014 Option Exercise$11.837709,109120,897Mar 30, 2015, 06:02 AM
AMPHPresidentAug 01, 2014 Option Exercise$8.841,35211,952121,667Mar 30, 2015, 06:02 AM
AMPHPresidentJul 07, 2014 Option Exercise$8.754,41338,614123,019Mar 30, 2015, 06:02 AM

Desktop Version

SymbolRelationshipDateTransactionValue($)
AMPHPresident and General CounselMar 17, 2020 Option Exercise134,836
AMPHPresident and General CounselMar 16, 2020 Option Exercise102,846
AMPHPresident and General CounselMar 15, 2020 Option Exercise97,854
AMPHPresident and General CounselFeb 07, 2020 Option Exercise98,683
AMPHPresident and General CounselFeb 06, 2020 Option Exercise315,835
AMPHPresident and General CounselFeb 05, 2020 Option Exercise224,856
AMPHPresident and General CounselFeb 07, 2020 Sale136,260
AMPHPresident and General CounselFeb 06, 2020 Sale434,951
AMPHPresident and General CounselFeb 05, 2020 Sale305,554
AMPHPresident and General CounselJan 08, 2020 Option Exercise273,250
AMPHPresident and General CounselJan 08, 2020 Sale460,978
AMPHPresident and General CounselDec 18, 2019 Sale156,958
AMPHPresident and General CounselSep 18, 2019 Sale156,509
AMPHPresident and General CounselJul 10, 2019 Sale134,333
AMPHPresident and General CounselMay 01, 2019 Option Exercise109,300
AMPHPresident and General CounselMay 01, 2019 Sale219,700
AMPHPresident and General CounselApr 16, 2019 Sale195,879
AMPHPresident and General CounselMar 26, 2019 Option Exercise135,626
AMPHPresident and General CounselMar 17, 2019 Option Exercise199,791
AMPHPresident and General CounselMar 16, 2019 Option Exercise169,548
AMPHPresident and General CounselMar 15, 2019 Option Exercise106,309
AMPHPresident and General CounselMar 15, 2019 Option Exercise267,872
AMPHPresident and General CounselMar 14, 2019 Sale159,489
AMPHPresident and General CounselMar 15, 2019 Sale498,441
AMPHPresident and General CounselMar 01, 2019 Option Exercise151,950
AMPHPresident and General CounselMar 01, 2019 Sale187,425
AMPHPresident and General CounselFeb 14, 2019 Option Exercise114,514
AMPHPresident and General CounselFeb 14, 2019 Sale180,381
AMPHPresident and General CounselJan 23, 2019 Sale347,019
AMPHPresident and General CounselDec 03, 2018 Option Exercise174,282
AMPHPresident and General CounselDec 03, 2018 Sale373,177
AMPHPresident and General CounselNov 14, 2018 Sale326,855
AMPHPresident and General CounselNov 08, 2018 Option Exercise385,711
AMPHPresident and General CounselNov 09, 2018 Option Exercise168,354
AMPHPresident and General CounselNov 09, 2018 Sale337,834
AMPHPresident and General CounselNov 08, 2018 Sale748,586
AMPHPresident and General CounselJul 11, 2018 Sale241,422
AMPHPresident and General CounselMar 27, 2018 Option Exercise144,676
AMPHPresident and General CounselMar 26, 2018 Option Exercise83,596
AMPHPresident and General CounselMar 16, 2018 Option Exercise109,405
AMPHPresident and General CounselMar 17, 2018 Option Exercise129,136
AMPHPresident and General CounselMar 20, 2018 Sale161,871
AMPHPresident and General CounselMar 19, 2018 Sale226,767
AMPHPresident and General CounselMar 14, 2018 Option Exercise4,716
AMPHPresident and General CounselMar 13, 2018 Option Exercise3,537
AMPHPresident and General CounselMar 14, 2018 Sale8,180
AMPHPresident and General CounselMar 13, 2018 Sale6,135
AMPHPresident and General CounselJan 25, 2018 Sale166,822
AMPHPresident and General CounselJan 26, 2018 Sale194,925
AMPHPresident and General CounselJul 05, 2017 Option Exercise60,922
AMPHDirectorMay 31, 2017 Sale63,070
AMPHDirectorMay 30, 2017 Sale131,230
AMPHPresident and General CounselMar 27, 2017 Option Exercise84,735
AMPHPresident and General CounselMar 26, 2017 Option Exercise64,865
AMPHPresident and General CounselMar 17, 2017 Option Exercise96,924
AMPHPresident and General CounselNov 28, 2016 Option Exercise265,512
AMPHPresident and General CounselNov 25, 2016 Option Exercise22,330
AMPHPresident and General CounselNov 28, 2016 Sale497,201
AMPHPresident and General CounselNov 25, 2016 Sale42,057
AMPHPresident and General CounselSep 26, 2016 Option Exercise622,966
AMPHPresident and General CounselSep 26, 2016 Sale1,111,268
AMPHPresident and General CounselAug 22, 2016 Option Exercise104,600
AMPHPresident and General CounselAug 22, 2016 Sale199,500
AMPHPresident and General CounselAug 17, 2016 Sale112,909
AMPHPresidentAug 11, 2016 Sale101,482
AMPHPresident and General CounselJul 05, 2016 Option Exercise55,424
AMPHPresidentJun 09, 2016 Sale162,723
AMPHPresidentMay 25, 2016 Sale16,754
AMPHPresidentMar 27, 2016 Option Exercise71,018
AMPHPresidentMar 26, 2016 Option Exercise56,379
AMPHPresidentOct 03, 2015 Option Exercise11,538
AMPHPresidentSep 28, 2015 Option Exercise8,447
AMPHPresidentJul 05, 2015 Option Exercise58,513
AMPHPresidentMar 27, 2015 Option Exercise90,960
AMPHPresidentOct 03, 2014 Option Exercise11,273
AMPHPresidentSep 26, 2014 Option Exercise9,109
AMPHPresidentAug 01, 2014 Option Exercise11,952
AMPHPresidentJul 07, 2014 Option Exercise38,614