Y. Jack Zhang

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
AMPH $18.36 16,299 Large Shareholder, Officer, Director 6,973,449 2021-02-03 Filing
AMPH $18.66 13,817 Large Shareholder, Officer, Director 6,989,748 2021-02-02 Filing
AMPH $18.29 24,114 Large Shareholder, Officer, Director 7,003,565 2021-02-01 Filing
AMPH $20.82 300,000 Large Shareholder, Officer, Director 7,027,679 2019-09-11 Filing
AMPH $20.48 43,577 Large Shareholder, Officer, Director 2,072,317 2018-12-14 Filing
AMPH $20.99 29,689 Large Shareholder, Officer, Director 7,327,679 2018-12-13 Filing
AMPH $21.21 37,469 Large Shareholder, Officer, Director 7,357,368 2018-12-12 Filing
AMPH $22.13 3,253 Large Shareholder, Officer, Director 7,394,837 2018-12-11 Filing
AMPH $21.43 63,504 Large Shareholder, Officer, Director 7,398,090 2018-12-11 Filing
AMPH $21.33 95,213 Large Shareholder, Officer, Director 752,321 2016-09-20 Filing
AMPH $20.74 86,555 Large Shareholder, Officer, Director 847,534 2016-09-20 Filing
AMPH $21.45 500 Large Shareholder, Officer, Director 1,088,335 2016-09-21 Filing
AMPH $20.70 54,581 Large Shareholder, Officer, Director 1,088,835 2016-09-21 Filing
AMPH $21.33 131,198 Large Shareholder, Officer, Director 1,088,335 2016-09-20 Filing
AMPH $20.73 76,152 Large Shareholder, Officer, Director 1,219,533 2016-09-20 Filing
AMPH $16.17 38,471 Large Shareholder, Officer, Director 679,750 2015-06-12 Filing
AMPH $16.47 11,664 Large Shareholder, Officer, Director 675,998 2015-06-11 Filing
AMPH $16.37 11,411 Large Shareholder, Officer, Director 674,732 2015-06-10 Filing
AMPH $16.15 75,618 Large Shareholder, Officer, Director 932,276 2015-06-12 Filing
AMPH $16.47 11,600 Large Shareholder, Officer, Director 924,641 2015-06-11 Filing