Updated Jul 16, 2026
KIM SUSAN Y has filed 3 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $9.65M.

| Role | Director, 10% Owner |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-12 | AMKR | AMKOR TECHNOLOGY, INC. | A — Grant or award | 9.9K | $0.00 | |
| 2026-04-09 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 20.0K | $5.66 | $113K |
| 2025-08-01 | AMKR | AMKOR TECHNOLOGY, INC. | P — Open-market purchase | 441.6K | $21.85 | $9.65M |
| 2025-08-01 | AMKR | AMKOR TECHNOLOGY, INC. | G — Bona-fide gift | 280.0K | $0.00 | |
| 2025-08-01 | AMKR | AMKOR TECHNOLOGY, INC. | G — Bona-fide gift | 280.0K | $0.00 | |
| 2025-08-01 | AMKR | AMKOR TECHNOLOGY, INC. | G — Bona-fide gift | 438.0K | $0.00 | |
| 2025-08-01 | AMKR | AMKOR TECHNOLOGY, INC. | G — Bona-fide gift | 438.0K | $0.00 | |
| 2025-08-01 | AMKR | AMKOR TECHNOLOGY, INC. | G — Bona-fide gift | 280.0K | $0.00 | |
| 2025-08-01 | AMKR | AMKOR TECHNOLOGY, INC. | G — Bona-fide gift | 438.0K | $0.00 | |
| 2025-07-30 | AMKR | AMKOR TECHNOLOGY, INC. | G — Bona-fide gift | 1.74M | $0.00 | |
| 2025-07-30 | AMKR | AMKOR TECHNOLOGY, INC. | G — Bona-fide gift | 2.71M | $0.00 | |
| 2025-05-14 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 6.0K | $0.00 | |
| 2024-12-26 | AMKR | AMKOR TECHNOLOGY, INC. | G — Bona-fide gift | 1.02M | $0.00 | |
| 2024-12-26 | AMKR | AMKOR TECHNOLOGY, INC. | G — Bona-fide gift | 1.02M | $0.00 | |
| 2024-11-22 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 20.0K | $6.81 | $136K |
| 2024-11-22 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 5.0K | $8.92 | $45K |
KIM SUSAN Y is a corporate insider — currently tracked as Director, 10% Owner of AMKOR TECHNOLOGY, INC. (AMKR). InsiderAlpha tracks every SEC Form 4 filing in real time.
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 1 open-market purchases ($9.65M) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live KIM SUSAN Y profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.