James J. Kim
James J. Kim: 10% owner · Member of 10% owner group (5) at Amkor. What James J. Kim holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Amkor (AMKR)
James J. Kim holds 11.2M Amkor shares (4.5% of the company), worth about $621.5M at the last price, according to the Form 4 of Jul 20, 2026.
- Shares held: 10.7M (4.3%), $593.0M — Held through trusts (Susan Y. Kim 2023 Family Distribution Trust, By John T. Kim Family Trust U/A dtd. 12/11/12, By John T. Kim G-S Trust dtd. 12/11/12, By self as Trustee of Trust U/A dtd. 12/11/12).
- Shares held: 511,645 (0.21%), $28.4M — Held in their own name.
Declarations
- Amkor (AMKR) — Form 4 of Jul 20, 2026 (Member of 10% owner group (5)): option exercise or conversion of 200,000 at $9.86; option exercise or conversion of 250,000 at $9.48; 11.2M shares after 0001158839-26-000001
- Amkor (AMKR) — Form 4 of Dec 26, 2025 (Member of 10% owner group (4)): gift of 725,000; 10.7M shares after 0001158839-25-000017
- Amkor (AMKR) — Form 4 of Dec 19, 2025 (Member of 10% owner group (6)): gift of 3.2M; gift of 2.5M; 10.0M shares after 0001158839-25-000015
- Amkor (AMKR) — Form 4 of Nov 21, 2025 (Member of 10% owner group (4)): gift of 965,000; 15.1M shares after 0001158839-25-000013
- Amkor (AMKR) — Form 4 of Aug 1, 2025 (Member of 10% owner group (4)): open-market sale of 441,589 at $21.85; 14.1M shares after 0001158839-25-000011
- Amkor (AMKR) — Form 4 of Jul 30, 2025 (Member of 10% owner group (4)): gift of 2.7M; gift of 1.7M; 14.6M shares after 0001158839-25-000009
- Amkor (AMKR) — Form 4 of Feb 24, 2025 (Member of 10% owner group (4)): open-market sale of 869,565 at $21.85; 10.1M shares after 0001158839-25-000004
- Amkor (AMKR) — Form 4 of Feb 19, 2025 (Member of 10% owner group (5)): grant or award of 3,196; shares withheld for tax of 1,528 at $22.72; 11.0M shares after 0001047127-25-000042
- Amkor (AMKR) — Form 4 of Jan 17, 2025 (Member of 10% owner group (5)): gift of 548,000; 11.0M shares after 0001158839-25-000002
- Amkor (AMKR) — Form 4 of Oct 31, 2024 (Member of 10% owner group (11)): option exercise or conversion of 1,962; shares withheld for tax of 834 at $25.45; 11.5M shares after 0001047127-24-000205
- Amkor (AMKR) — Form 4 of Aug 8, 2024 (Member of 10% owner group (5)): gift of 2.2M; gift of 1.6M; 11.5M shares after 0001158839-24-000005
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.