PAGEInsider
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| AMPH | PRINS RICHARD K | Director | Nov 25 '25 | Sale | 27.10 | 4,179 | 113,253 | 35,183 | Nov 25 12:00 AM |
| AMPH | PRINS RICHARD K | Director | Nov 25 '25 | Option Exercise | 16.69 | 8,358 | 139,496 | 39,362 | Nov 25 12:00 AM |
| AMPH | PRINS RICHARD K | Director | Dec 09 '24 | Option Exercise | 19.52 | 20,000 | 390,400 | 40,471 | Dec 11 12:00 AM |
| AMPH | PRINS RICHARD K | Director | Dec 09 '24 | Sale | 43.77 | 10,000 | 437,702 | 30,471 | Dec 11 12:00 AM |
| AMPH | PRINS RICHARD K | Director | Nov 12 '24 | Option Exercise | 16.69 | 5,000 | 83,450 | 36,471 | Nov 13 12:00 AM |
| AMPH | PRINS RICHARD K | Director | Nov 12 '24 | Sale | 48.80 | 5,000 | 243,986 | 31,471 | Nov 13 12:00 AM |
| AMPH | PRINS RICHARD K | Director | Aug 12 '24 | Option Exercise | 19.83 | 34,202 | 678,340 | 51,072 | Aug 13 12:00 AM |
| AMPH | PRINS RICHARD K | Director | Aug 12 '24 | Sale | 43.07 | 17,101 | 736,550 | 33,971 | Aug 13 12:00 AM |
| AMPH | PRINS RICHARD K | Director | Nov 17 '23 | Sale | 55.86 | 4,000 | 223,446 | 31,895 | Nov 20 12:00 AM |
| AMPH | PRINS RICHARD K | Director | Nov 13 '23 | Sale | 52.50 | 5,000 | 262,500 | 35,895 | Nov 15 12:00 AM |
| AMPH | PRINS RICHARD K | Director | Aug 18 '23 | Sale | 52.50 | 2,000 | 105,006 | 40,895 | Aug 21 12:00 AM |
| AMPH | PRINS RICHARD K | Director | Aug 15 '23 | Sale | 57.39 | 4,163 | 238,911 | 42,895 | Aug 16 12:00 AM |
| AMPH | PRINS RICHARD K | Director | May 15 '23 | Option Exercise | 16.69 | 10,000 | 166,900 | 49,342 | May 16 12:00 AM |
| AMPH | PRINS RICHARD K | Director | May 15 '23 | Sale | 43.50 | 5,000 | 217,502 | 44,342 | May 16 12:00 AM |
| AMPH | PRINS RICHARD K | Director | May 12 '23 | Option Exercise | 16.69 | 10,000 | 166,900 | 52,342 | May 16 12:00 AM |
| AMPH | PRINS RICHARD K | Director | May 12 '23 | Sale | 42.06 | 5,000 | 210,323 | 47,342 | May 16 12:00 AM |
| AMPH | PRINS RICHARD K | director: | Mar 15 '22 | Option Exercise | 17.11 | 10,000 | 171,100 | 55,179 | Mar 17 12:00 AM |
| AMPH | PRINS RICHARD K | director: | Mar 15 '22 | Sale | 34.02 | 10,000 | 340,208 | 45,179 | Mar 17 12:00 AM |