John Charles Stone serves as Executive at AMKOR TECHNOLOGY INC, where they oversee executive responsibilities. Since joining the company, John Charles Stone has executed 74 insider transactions totaling $7.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 11, 2022 involved selling 455 shares valued at $9.5K.
John Charles Stone currently holds 31,038 shares of AMKOR TECHNOLOGY INC (AMKR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John Charles Stone has been a net seller of AMKR stock. They have purchased $0 and sold $7.8M worth of shares.
John Charles Stone's most recent insider trade was on Feb 11, 2022, when they sold 455 shares at $20.90 per share.
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| $22.60 |
| Discretionary |
| Nov 19, 2021 | AMKR | $88.9K | Option Exercise | 9,375 | $9.48 | Discretionary |
| Nov 19, 2021 | AMKR | $234.4K | Sale | 9,375 | $25.00 | Discretionary |
| Aug 26, 2021 | AMKR | $88.9K | Option Exercise | 9,375 | $9.48 | Discretionary |
| Aug 26, 2021 | AMKR | $246.6K | Sale | 9,375 | $26.30 | Discretionary |
| Jun 25, 2021 | AMKR | $225.0K | Sale | 9,375 | $24.00 | Discretionary |
| Jun 25, 2021 | AMKR | $88.9K | Option Exercise | 9,375 | $9.48 | Discretionary |
| Mar 18, 2021 | AMKR | $225.0K | Sale | 9,375 | $24.00 | Discretionary |
| Mar 18, 2021 | AMKR | $92.4K | Option Exercise | 9,375 | $9.86 | Discretionary |
| Feb 16, 2021 | AMKR | $236.5K | Sale | 9,375 | $25.23 | Discretionary |
| Feb 16, 2021 | AMKR | $88.9K | Option Exercise | 9,375 | $9.48 | Discretionary |
| Feb 11, 2021 | AMKR | $622.1K | Option Exercise | 65,625 | $9.48 | Discretionary |
| Feb 11, 2021 | AMKR | $1.4M | Sale | 65,625 | $21.35 | Discretionary |
| Feb 11, 2021 | AMKR | $400.3K | Sale | 18,750 | $21.35 | Discretionary |
| Feb 11, 2021 | AMKR | $184.9K | Option Exercise | 18,750 | $9.86 | Discretionary |
| Feb 11, 2021 | AMKR | $0 | Award | 6,536 | $N/A | Discretionary |
| Dec 3, 2020 | AMKR | $428.9K | Sale | 28,125 | $15.25 | Discretionary |
| Dec 3, 2020 | AMKR | $277.3K | Option Exercise | 28,125 | $9.86 | Discretionary |
| Nov 1, 2019 | AMKR | $602.5K | Option Exercise | 61,104 | $9.86 | Discretionary |
| Nov 1, 2019 | AMKR | $780.9K | Sale | 61,104 | $12.78 | Discretionary |
| Nov 1, 2019 | AMKR | $780.9K | Sale | 61,104 | $12.78 | Discretionary |
| Nov 1, 2019 | AMKR | $602.5K | Option Exercise | 61,104 | $9.86 | Discretionary |
| Oct 31, 2019 | AMKR | $64.6K | Sale | 4,706 | $13.72 | Discretionary |
| Oct 31, 2019 | AMKR | $437.5K | Sale | 32,646 | $13.40 | Discretionary |
| Oct 31, 2019 | AMKR | $321.9K | Option Exercise | 32,646 | $9.86 | Discretionary |
| Oct 31, 2019 | AMKR | $64.6K | Sale | 4,706 | $13.72 | Discretionary |
| Oct 31, 2019 | AMKR | $437.5K | Sale | 32,646 | $13.40 | Discretionary |
| Oct 31, 2019 | AMKR | $321.9K | Option Exercise | 32,646 | $9.86 | Discretionary |
| Mar 15, 2019 | AMKR | $35.2K | Sale | 4,000 | $8.81 | Discretionary |