7Baggers

Zhang Jack Y. Insider Transactions

AMPH Stock Insider Transactions

This summary is for reference only. We do not guarantee the accuracy and completeness of the information. Please do your own due diligence.
Direct Holdings
Class A Shares ChangeClass A Shares AfterClass B Shares ChangeClass B Shares AfterPriceAmountDateMsgUrl
200,0002,847,6592025-06-16Derivatives ExerciseFiling Url
-252,2002,647,659026.66$6,723,6522025-03-18SaleFiling Url
290,4772,899,8592025-03-18Derivatives Exercise
116,2262,609,38202025-03-12Grant, award...etcFiling Url
-9,6452,493,15628.32$273,1462025-03-10SaleFiling Url
-5,7532,502,80127.62$158,8982025-03-06SaleFiling Url
100,0002,633,5542024-09-16Derivatives ExerciseFiling Url
100,0002,533,5542024-06-11Derivatives ExerciseFiling Url
-424,4892,433,554043.05$18,274,2512024-03-19SaleFiling Url
722,0462,858,0432024-03-19Derivatives Exercise
-7,0312,135,99746.31$325,6062024-03-08SaleFiling Url
64,3102,143,02802024-03-06Grant, award...etcFiling Url
-41,0092,078,718037.6$1,541,9382023-03-20SaleFiling Url
-8,4342,177,09236.84$310,7092023-03-17SaleFiling Url
81,3832,185,52602023-03-08Grant, award...etcFiling Url
-10,6502,104,14334.2127$364,3652022-05-23SaleFiling Url
-108,7762,114,793033.9714$3,695,2732022-05-20SaleFiling Url
-118,4452,223,569035.5822$4,214,5342022-05-18SaleFiling Url
-41,0092,342,014034.22$1,403,3282022-03-18SaleFiling Url
-14,7592,383,02334.74$512,7282022-03-17SaleFiling Url
76,9142,397,78202022-03-17Grant, award...etc
127,2092,320,86802021-03-18Grant, award...etcFiling Url
-25,2412,193,65918.44$465,4442021-03-18Sale
-28,0882,218,90019.15$537,8852021-03-17SaleFiling Url
152,7242,246,98802020-03-18Grant, award...etcFiling Url
-25,8732,094,26413.03$337,1252020-03-18Sale
-27,1792,120,13714.19$385,6702020-03-17SaleFiling Url
98,3682,224,37102019-03-18Grant, award...etcFiling Url
-538,1522,147,316020.23$10,886,8152019-03-18Sale
514,7832,587,1002019-03-18Derivatives Exercise
-43,5772,072,31720.4766$892,3092018-12-17SaleFiling Url
-284,5162,115,89415.39$4,378,7012018-07-03SaleFiling Url
319,7912,400,4102018-07-03Derivatives Exercise
40,0002,080,619016.0788$643,1522018-05-17Open Market PurchaseFiling Url
-20,7282,040,61918.61$385,7482018-03-28SaleFiling Url
-49,8472,061,347019.91$992,4542018-03-20SaleFiling Url
98,0292,111,19402018-03-16Grant, award...etcFiling Url
-524,2662,013,16519.3$10,118,3342017-12-19SaleFiling Url
639,5842,537,4312017-12-19Derivatives Exercise
-319,7921,897,8472017-11-14Derivatives ExerciseFiling Url
-153,8821,578,05515.86$2,440,5692017-09-15SaleFiling Url
-176,9871,731,9372017-09-15Derivatives Exercise
382,4481,554,9502017-05-25Derivatives ExerciseFiling Url
-49,2791,172,502013.76$678,0792017-03-28SaleFiling Url
-23,1081,221,78113.75$317,7352017-03-20SaleFiling Url
156,5541,244,88902017-03-20Grant, award...etc
-262,4311,088,335020.727$5,439,4072016-09-22SaleFiling Url
262,4311,143,41602016-09-22Derivatives Exercise
-41,5671,088,335011.96$497,1412016-03-29SaleFiling Url
184,4661,129,90202016-03-21Grant, award...etcFiling Url
-98,949932,276016.3792$1,620,7052016-02-03SaleFiling Url
109,0881,007,89402016-02-03Derivatives Exercise
8,481920,1172015-08-19Derivatives ExerciseFiling Url
-50,061911,636016.2938$815,6842015-06-17SaleFiling Url
50,061961,6972015-06-17Derivatives Exercise
109,088994,88902015-06-12Derivatives ExerciseFiling Url
-119,589911,636016.4642$1,968,9372015-06-12Sale
107,370947,83702015-06-09Derivatives ExerciseFiling Url
-117,746922,137015.43$1,816,8212015-06-09Sale
125,418932,51302015-03-30Grant, award...etcFiling Url
807,095807,0952014-06-24InitialFiling Url
Mary Z. Luo
Class A Shares ChangeClass A Shares AfterClass B Shares ChangeClass B Shares AfterPriceAmountDateMsgUrl
-173,9951,185,475026.66$4,638,7072025-03-18SaleFiling Url
211,2131,359,4702025-03-18Derivatives Exercise
48,9961,148,25702025-03-12Grant, award...etcFiling Url
-3,0691,099,26128.32$86,9142025-03-10SaleFiling Url
-2,4261,102,33027.62$67,0062025-03-06SaleFiling Url
-209,7101,229,756043.05$9,028,0162024-03-19SaleFiling Url
310,9301,439,4662024-03-19Derivatives Exercise
-2,9901,128,53646.31$138,4672024-03-08SaleFiling Url
27,1101,131,52602024-03-06Grant, award...etcFiling Url
-2,8031,530,01736.84$103,2632023-03-17SaleFiling Url
34,3011,532,82002023-03-08Grant, award...etcFiling Url
-17,4781,498,519034.22$598,0972022-03-18SaleFiling Url
-4,7861,515,99734.74$166,2662022-03-17SaleFiling Url
32,4121,520,78302022-03-17Grant, award...etc
56,8921,488,37102021-03-18Grant, award...etcFiling Url
-8,8901,431,47918.44$163,9322021-03-18Sale
-9,5921,440,36919.15$183,6872021-03-17SaleFiling Url
68,3031,449,96102020-03-18Grant, award...etcFiling Url
-7,7711,381,65813.03$101,2562020-03-18Sale
-9,5931,389,42914.19$136,1252020-03-17SaleFiling Url
41,5221,432,11202019-03-18Grant, award...etcFiling Url
-233,9431,399,022020.23$4,732,6672019-03-18Sale
224,7371,591,4432019-03-18Derivatives Exercise
-165,9681,366,70615.39$2,554,2482018-07-03SaleFiling Url
186,5451,532,6742018-07-03Derivatives Exercise
-8,8441,346,12918.61$164,5872018-03-28SaleFiling Url
-17,3601,354,973019.91$345,6382018-03-20SaleFiling Url
41,6871,372,33302018-03-16Grant, award...etcFiling Url
-305,8231,330,64619.3$5,902,3842017-12-19SaleFiling Url
373,0911,636,4692017-12-19Derivatives Exercise
-186,5451,263,3782017-11-14Derivatives ExerciseFiling Url
-120,5041,076,83315.87$1,912,3982017-09-15SaleFiling Url
-138,6321,197,3372017-09-15Derivatives Exercise
264,8951,058,7052017-05-25Derivatives ExerciseFiling Url
-15,975793,810013.76$219,8162017-03-28SaleFiling Url
-9,951809,78513.75$136,8262017-03-20SaleFiling Url
67,415819,73602017-03-20Grant, award...etc
-181,768752,321020.7387$3,769,6322016-09-22SaleFiling Url
181,768934,0892016-09-22Derivatives Exercise
-15,345752,321011.96$183,5262016-03-29SaleFiling Url
79,435767,66602016-03-21Grant, award...etcFiling Url
-61,546679,750016.3719$1,007,6252016-02-03SaleFiling Url
67,772718,22102016-02-03Derivatives Exercise
8,481670,1472015-08-19Derivatives ExerciseFiling Url
67,772703,88902015-06-12Derivatives ExerciseFiling Url
-79,630661,666016.4657$1,311,1642015-06-12Sale
108,747699,32402015-06-09Derivatives ExerciseFiling Url
-105,530673,524015.43$1,628,3282015-06-09Sale
53,511670,30702015-03-30Grant, award...etcFiling Url
Dr. Luo
Class A Shares ChangeClass A Shares AfterClass B Shares ChangeClass B Shares AfterPriceAmountDateMsgUrl
-17,0501,455,602037.6$641,0802023-03-20SaleFiling Url
Applied Physics & Chemistry Laboratories
Class A Shares ChangeClass A Shares AfterClass B Shares ChangeClass B Shares AfterPriceAmountDateMsgUrl
-30,4676,827,679018.5147$564,0872021-02-18SaleFiling Url
-48,8476,858,146018.7556$916,1552021-02-12SaleFiling Url
-40,8866,906,993018.9412$774,4302021-02-09SaleFiling Url
-41,8696,947,879018.3645$768,9032021-02-05SaleFiling Url
-37,9316,989,748018.2931$693,8762021-02-03SaleFiling Url
-300,0007,027,67920.82$6,246,0002019-09-12SaleFiling Url
-133,9157,327,679021.4342$2,870,3612018-12-13SaleFiling Url
APCL
Class A Shares ChangeClass A Shares AfterClass B Shares ChangeClass B Shares AfterPriceAmountDateMsgUrl
-63,3007,461,594014.2913$904,6392015-12-11SaleFiling Url
-68,1177,524,894014.952$1,018,4852015-12-08SaleFiling Url
-38,5837,593,011015.489$597,6122015-12-03SaleFiling Url