PRINS RICHARD K 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 Change | Class A Shares After | Class B Shares Change | Class B Shares After | Price | Amount | Date | Msg | Url |
|---|---|---|---|---|---|---|---|---|
| 5,122 | 35,183 | 0 | 2025-06-04 | Grant, award...etc | Filing Url | |||
| -10,000 | 30,471 | 43.7702 | $437,702 | 2024-12-11 | Sale | Filing Url | ||
| 10,000 | 40,471 | 2024-12-11 | Derivatives Exercise | |||||
| -5,000 | 31,471 | 48.7971 | $243,986 | 2024-11-13 | Sale | Filing Url | ||
| 2,500 | 36,471 | 2024-11-13 | Derivatives Exercise | |||||
| -17,101 | 33,971 | 43.0706 | $736,550 | 2024-08-13 | Sale | Filing Url | ||
| 17,101 | 51,072 | 0 | 2024-08-13 | Derivatives Exercise | ||||
| 3,076 | 33,971 | 0 | 2024-06-05 | Grant, award...etc | Filing Url | |||
| -4,000 | 31,895 | 55.8614 | $223,446 | 2023-11-20 | Sale | Filing Url | ||
| -5,000 | 35,895 | 52.5 | $262,500 | 2023-11-15 | Sale | Filing Url | ||
| -2,000 | 40,895 | 52.5028 | $105,006 | 2023-08-21 | Sale | Filing Url | ||
| -4,163 | 42,895 | 57.3892 | $238,911 | 2023-08-16 | Sale | Filing Url | ||
| 2,716 | 47,058 | 0 | 2023-06-07 | Grant, award...etc | Filing Url | |||
| -10,000 | 44,342 | 0 | 42.0645 | $420,645 | 2023-05-16 | Sale | Filing Url | |
| 10,000 | 49,342 | 0 | 2023-05-16 | Derivatives Exercise | ||||
| 4,163 | 47,342 | 0 | 2022-06-14 | Grant, award...etc | Filing Url | |||
| -10,000 | 45,179 | 34.0208 | $340,208 | 2022-03-17 | Sale | Filing Url | ||
| 10,000 | 55,179 | 2022-03-17 | Derivatives Exercise | |||||
| -5,291 | 45,179 | 21.3582 | $113,006 | 2021-12-13 | Sale | Filing Url | ||
| 5,291 | 50,470 | 2021-12-13 | Derivatives Exercise | |||||
| -5,000 | 45,179 | 21.22 | $106,100 | 2021-11-23 | Sale | Filing Url | ||
| 5,000 | 50,179 | 2021-11-23 | Derivatives Exercise | |||||
| 6,019 | 45,179 | 0 | 2021-06-08 | Grant, award...etc | Filing Url | |||
| -10,000 | 39,160 | 0 | 18.7702 | $187,702 | 2021-06-08 | Sale | ||
| 10,000 | 44,160 | 0 | 2021-06-08 | Derivatives Exercise | ||||
| -15,827 | 39,160 | 18.8987 | $299,110 | 2021-05-13 | Sale | Filing Url | ||
| 15,827 | 54,987 | 2021-05-13 | Derivatives Exercise | |||||
| -6,000 | 39,160 | 20.3294 | $121,976 | 2020-08-12 | Sale | Filing Url | ||
| 5,851 | 45,160 | 0 | 2020-06-09 | Grant, award...etc | Filing Url | |||
| -30,282 | 39,309 | 19.002 | $575,419 | 2020-05-14 | Sale | Filing Url | ||
| 30,282 | 69,591 | 2020-05-14 | Derivatives Exercise | |||||
| -7,500 | 39,309 | 0 | 22.5795 | $169,346 | 2019-08-27 | Sale | Filing Url | |
| 0 | 42,927 | 0 | 2019-08-27 | Derivatives Exercise | ||||
| -10,000 | 39,309 | 20.7781 | $207,781 | 2019-08-15 | Sale | Filing Url | ||
| 0 | 49,309 | 0 | 2019-08-15 | Derivatives Exercise | ||||
| 5,491 | 39,309 | 0 | 2019-06-13 | Grant, award...etc | Filing Url | |||
| -1,616 | 33,818 | 20.65 | $33,370 | 2018-12-17 | Sale | Filing Url | ||
| -5,000 | 35,434 | 20.5 | $102,500 | 2018-11-30 | Sale | Filing Url | ||
| 5,000 | 40,434 | 2018-11-30 | Derivatives Exercise | |||||
| -5,000 | 35,434 | 20.2333 | $101,167 | 2018-11-15 | Sale | Filing Url | ||
| 5,000 | 40,434 | 2018-11-15 | Derivatives Exercise | |||||
| -10,000 | 35,434 | 17.818 | $178,180 | 2018-08-15 | Sale | Filing Url | ||
| 10,000 | 45,434 | 2018-08-15 | Derivatives Exercise | |||||
| 6,590 | 35,434 | 0 | 2018-06-11 | Grant, award...etc | Filing Url | |||
| -16,598 | 28,844 | 19.9011 | $330,318 | 2018-03-16 | Sale | Filing Url | ||
| 16,598 | 45,442 | 2018-03-16 | Derivatives Exercise | |||||
| -10,000 | 28,844 | 0 | 14.7994 | $147,994 | 2017-08-16 | Sale | Filing Url | |
| 10,000 | 33,844 | 0 | 2017-08-16 | Derivatives Exercise | ||||
| -10,000 | 28,844 | 17.0707 | $170,707 | 2017-06-12 | Sale | Filing Url | ||
| 10,000 | 38,844 | 2017-06-12 | Derivatives Exercise | |||||
| 5,844 | 28,844 | 0 | 2017-06-12 | Grant, award...etc | ||||
| -7,500 | 23,000 | 15.43 | $115,725 | 2017-05-12 | Sale | Filing Url | ||
| 7,500 | 30,500 | 2017-05-12 | Derivatives Exercise | |||||
| -8,000 | 23,000 | 20.0626 | $160,501 | 2016-11-15 | Sale | Filing Url | ||
| 5,000 | 31,000 | 2016-11-15 | Derivatives Exercise | |||||
| -3,086 | 26,000 | 19.6174 | $60,539 | 2016-08-19 | Sale | Filing Url | ||
| -13,993 | 29,086 | 18.0286 | $252,274 | 2016-08-12 | Sale | Filing Url | ||
| 13,993 | 43,079 | 0 | 2016-08-12 | Derivatives Exercise | ||||
| -7,500 | 29,086 | 15.9381 | $119,536 | 2016-06-13 | Sale | Filing Url | ||
| 7,500 | 36,586 | 2016-06-13 | Derivatives Exercise | |||||
| 6,086 | 29,086 | 0 | 2016-06-13 | Grant, award...etc | ||||
| -3,200 | 23,000 | 13.5598 | $43,391 | 2016-05-19 | Sale | Filing Url | ||
| -2,400 | 26,200 | 11.25 | $27,000 | 2016-03-21 | Sale | Filing Url | ||
| -3,772 | 28,950 | 13.9465 | $52,606 | 2015-11-19 | Sale | Filing Url | ||
| -14,500 | 35,722 | 0 | 14.7008 | $213,162 | 2015-08-19 | Sale | Filing Url | |
| 7,500 | 44,822 | 0 | 2015-08-19 | Derivatives Exercise | ||||
| 8,686 | 42,722 | 0 | 2015-05-29 | Grant, award...etc | Filing Url | |||
| -29,452 | 36,051 | 0 | 14.7904 | $435,607 | 2015-05-22 | Sale | Filing Url | |
| 26,124 | 37,993 | 0 | 2015-05-22 | Derivatives Exercise | ||||
| -3,000 | 36,051 | 14.9415 | $44,825 | 2015-05-20 | Sale | Filing Url | ||
| 3,000 | 39,051 | 2015-05-20 | Derivatives Exercise | |||||
| 4,000 | 36,051 | 0 | 10 | $40,000 | 2014-08-19 | Open Market Purchase | Filing Url | |
| 32,051 | 32,051 | 2014-06-24 | Initial | Filing Url |