Amkor Technology (AMKR) insider buying
6 open-market purchases of AMKR by Amkor Technology's executives and directors since August 2025, worth $19M in total, from SEC Form 4 filings.
The most recent: Markwayne Mullin bought — on February 4, 2026.
The biggest buyer over the period is John T Kim: 1 purchase, $10M.
By year
| Year | Purchases | Value |
|---|---|---|
| 2026 | 4 | $0 |
| 2025 | 2 | $19M |
Biggest buyers
| Insider | Buys | Value |
|---|---|---|
| John T Kim | 1 | $10M |
| Sujoda Management, Llc | 1 | $10M |
| Markwayne Mullin | 4 | $0 |
Every purchase
Newest first. From SEC Form 4 filings. Insider buying across the market.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Feb 4, 2026 | Markwayne Mullin |
0 | $43.87 | — | — |
| Feb 4, 2026 | Markwayne Mullin |
0 | $43.87 | — | — |
| Jan 5, 2026 | Markwayne Mullin |
0 | $48.13 | — | — |
| Jan 5, 2026 | Markwayne Mullin |
0 | $48.13 | — | — |
| Aug 1, 2025 | John T Kim |
441,589 | $21.85 | $10M | Form 4 |
| Aug 1, 2025 | Sujoda Management, Llc |
441,589 | $21.85 | $10M | Form 4 |
Questions
Are Amkor Technology insiders buying the stock?
6 open-market purchases of AMKR by Amkor Technology's executives and directors since August 2025, worth $19M in total, from SEC Form 4 filings. The most recent: Markwayne Mullin bought — on February 4, 2026.
What counts as insider buying here?
Open-market purchases (Form 4 code P) by officers and directors. Option exercises, grants and purchases by 10% owners are left out.
From Amkor Technology's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.