Reported relationships
Latest disclosed role at each company.
| Company | Last reported as | Report date | Published |
|---|---|---|---|
| AMKOR TECHNOLOGY, INC.AMKR · Entity 3481 | Member of 10% owner group (4) | July 20, 2026 | July 22, 2026 |
Disclosed balances
About these balances
Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.
AMKOR TECHNOLOGY, INC.
Report date July 20, 2026 · Filed July 22, 2026
| Security / award | Ownership account | Disclosed shares / units | Disclosure context |
|---|---|---|---|
| Common StockSEC Table I · non-derivative | IndirectBy Spouse | 11,187,355 |
Last balance in matching sequence
After 2026-07-20 transaction · row 2
Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
2 source rowsRow 1 · 2026-07-20 · Exercise / conversion · Acquired 200,000 · Balance 10,937,355 F1: On July 20, 2026, the Reporting Person's spouse exercised a stock option to acquire 200,000 shares of the Common Stock of Amkor Technology, Inc. (the "Issuer") that was granted to the Reporting Person's spouse on February 27, 2017. F2: The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of the Reporting Person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose. Row 2 · 2026-07-20 · Exercise / conversion · Acquired 250,000 · Balance 11,187,355 F3: On July 20, 2026, the Reporting Person's spouse exercised a stock option to acquire 250,000 shares of the Issuer's Common Stock that was granted to the Reporting Person's spouse on February 15, 2019. F2: The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of the Reporting Person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose. |
| Common StockSEC Table I · non-derivative | Direct | 0 |
Reported balance
Holding disclosure · report date 2026-07-20 · row 3
Holding and transaction disclosures are not merged.
1 source rowRow 3 · Balance 0 |
Filing footnotes · ownership attribution and instrument terms
F1: On July 20, 2026, the Reporting Person's spouse exercised a stock option to acquire 200,000 shares of the Common Stock of Amkor Technology, Inc. (the "Issuer") that was granted to the Reporting Person's spouse on February 27, 2017.
F2: The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of the Reporting Person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose.
F3: On July 20, 2026, the Reporting Person's spouse exercised a stock option to acquire 250,000 shares of the Issuer's Common Stock that was granted to the Reporting Person's spouse on February 15, 2019.
Transaction history
JSON APIPurchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Company | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| July 12, 2022 Filed Jul 30, 2022 00:30 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | GiftCommon Stock | 429,750 | $0.00 | $0.00 |
DisclosureSEC source: 0000899243-22-027101 · doc4.xml · nonDerivative · entry 1 KIM AGNES C · CIK 0001158840 · Member of 10% owner group (4) 10b5-1 filing: Not disclosed Ownership: Indirect · By spouse Disclosed balance after: 71,628,568 F1 · shares: On July 12, 2022, the Qualified Annuity Trust under the Susan Y. Kim 2020-1 Irrevocable Trust Agreement dtd. 4/1/20 distributed 429,750 shares of the Common Stock of Amkor Technology, Inc. to Susan Y. Kim. Susan Y. Kim and James J. Kim, the Reporting Person's spouse, are the co-trustees of the trust. James J. Kim and Susan Y. Kim are father and daughter. F2 · balance_after: The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of the Reporting Person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose. Read SEC document |
| April 04, 2022 Filed Apr 20, 2022 23:33 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | GiftCommon Stock | 755,000 | $0.00 | $0.00 |
DisclosureSEC source: 0000899243-22-015220 · doc4.xml · nonDerivative · entry 1 KIM AGNES C · CIK 0001158840 · Member of 10% owner group (3) 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 2,610,776 F1 · shares: On April 4, 2022, the Agnes C. Kim 2020-1 Qualified Annuity Trust U/A dated 12/16/20 distributed 755,000 shares of the Common Stock of Amkor Technology, Inc. to the Reporting Person. Susan Y. Kim is the sole trustee of such trust. Read SEC document |
| February 24, 2022 Filed Feb 25, 2022 21:05 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | GrantCommon Stock | 10,748 | $0.00 | $0.00 |
DisclosureSEC source: 0000899243-22-007880 · doc4.xml · nonDerivative · entry 1 KIM AGNES C · CIK 0001158840 · Member of 10% owner group (3) 10b5-1 filing: Not disclosed Ownership: Indirect · By spouse Disclosed balance after: 72,077,235 F1 · shares: The transaction represents shares of the Issuer's Common Stock underlying time-vested restricted stock units granted to the Reporting Person's spouse on February 24, 2022 (the "Grant Date") pursuant to the Issuer's Equity Incentive Plan and the related award agreement (the "RSUs"). The RSUs were awarded for no consideration other than the Reporting Person's spouse's service as an employee of the Issuer and will vest in four equal annual installments beginning on the first anniversary of the Grant Date. F2 · balance_after: The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of the Reporting Person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose. Read SEC document |
| February 11, 2022 Filed Feb 15, 2022 19:42 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | Tax withholdingCommon Stock | 684 | $20.90 | $14,295.60 |
DisclosureSEC source: 0000899243-22-006392 · doc4.xml · nonDerivative · entry 1 KIM AGNES C · CIK 0001158840 · Member of 10% owner group (3) 10b5-1 filing: Not disclosed Ownership: Indirect · My spouse Disclosed balance after: 72,066,487 F1 · shares: The transaction represents shares of the Issuer's Common Stock withheld by the Issuer in connection with the vesting of certain restricted stock units granted to the Reporting Person's spouse on February 11, 2021 pursuant to the Issuer's Equity Incentive Plan and the related award agreement. The shares were withheld to satisfy tax withholding obligations of the Reporting Person's spouse. The Issuer will pay these taxes on behalf of the Reporting Person's spouse. F2 · balance_after: The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of the Reporting Person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose. Read SEC document |
| January 18, 2022 Filed Jan 28, 2022 01:37 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | GiftCommon Stock | 125,600 | $23.86 | $2,996,816.00 |
DisclosureSEC source: 0000899243-22-003496 · doc4.xml · nonDerivative · entry 1 KIM AGNES C · CIK 0001158840 · Member of 10% owner group (4) 10b5-1 filing: Not disclosed Ownership: Indirect · By spouse Disclosed balance after: 72,067,171 F1 · shares: On January 18, 2022, the Qualified Annuity Trust under the Susan Y. Kim 2018-1 Irrevocable Trust Agreement dtd August 29, 2018 distributed 125,600 shares of the Issuer's Common Stock to Susan Y. Kim. Susan Y. Kim and James J. Kim, the reporting person's spouse, are the co-trustees of the trust. James J. Kim and Susan Y. Kim are father and daughter. F2 · balance_after: The Form 4 filed with the Commission by the reporting person on January 21, 2022 reflected 74,546,118 shares of the Issuer's Common Stock as held indirectly by the reporting person by her spouse. The correct number should have been 72,192,771. F3 · balance_after: The reporting person disclaims beneficial ownership of these securities, except to the extent of the reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities, except to the extent of the reporting person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose. Read SEC document |
| December 30, 2021 Filed Jan 4, 2022 20:32 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | PurchaseCommon Stock | 668,666 | $24.68 | $16,502,676.88 |
DisclosureSEC source: 0000899243-22-000435 · doc4.xml · nonDerivative · entry 2 KIM AGNES C · CIK 0001158840 · Member of 10% owner group (4) 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,855,776 F2 · kind: On December 30, 2021, Sujoda Investments, LP transferred 668,666 shares of the Issuer's Common Stock to James J. Kim and 668,666 shares of the Issuer's Common Stock to the reporting person in partial payment of the principal of a joint Note. F2 · shares: On December 30, 2021, Sujoda Investments, LP transferred 668,666 shares of the Issuer's Common Stock to James J. Kim and 668,666 shares of the Issuer's Common Stock to the reporting person in partial payment of the principal of a joint Note. Read SEC document |
| December 30, 2021 Filed Jan 4, 2022 20:32 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | PurchaseCommon Stock | 1,187,807 | $24.68 | $29,315,076.76 |
DisclosureSEC source: 0000899243-22-000435 · doc4.xml · nonDerivative · entry 1 KIM AGNES C · CIK 0001158840 · Member of 10% owner group (4) 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,187,110 F1 · kind: On December 30, 2021, Sujoda Investments, LP transferred 1,187,807 shares of the Issuer's Common Stock to the reporting person in payment of the principal of a Note. F1 · shares: On December 30, 2021, Sujoda Investments, LP transferred 1,187,807 shares of the Issuer's Common Stock to the reporting person in payment of the principal of a Note. Read SEC document |
| December 27, 2021 Filed Jan 21, 2022 18:01 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | GiftCommon Stock | 164,678 | $23.45 | $3,861,699.10 |
DisclosureSEC source: 0000899243-22-002821 · doc4.xml · nonDerivative · entry 5 KIM AGNES C · CIK 0001158840 · Member of 10% owner group (6) 10b5-1 filing: Not disclosed Ownership: Indirect · By spouse Disclosed balance after: 74,546,118 F4 · shares: On December 27, 2021, Susan Y. Kim transferred 164,678 shares of the Issuer's Common Stock to Susins, LLC. Susins, LLC is being treated as a corporation for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended ("Section 16"). The Susan Y. Kim 2012 Generation-Skipping Trust U/A dated December 11, 2012 is being treated as a controlling shareholder of Susins, LLC. James J. Kim is a trustee of said trust and members of his immediate family are beneficiaries thereof. F5 · balance_after: The reporting person disclaims beneficial ownership of these securities, except to the extent of the reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities, except to the extent of the reporting person's pecuniary interest therein, for purposes of Section 16, or for any other purpose. Read SEC document |
| October 04, 2021 Filed Jan 21, 2022 18:01 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | GiftCommon Stock | 626,192 | $24.70 | $15,466,942.40 |
DisclosureSEC source: 0000899243-22-002821 · doc4.xml · nonDerivative · entry 3 KIM AGNES C · CIK 0001158840 · Member of 10% owner group (6) 10b5-1 filing: Not disclosed Ownership: Indirect · By spouse Disclosed balance after: 74,381,440 F3 · shares: On October 4, 2021, the Qualified Annuity Trust under the James J. Kim 2018-1 Qualified Annuity Trust Agreement dtd 8/30/18 distributed 626,192 shares of the Issuer's Common Stock to John T. Kim. James J. Kim and John T. Kim are father and son. F5 · balance_after: The reporting person disclaims beneficial ownership of these securities, except to the extent of the reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities, except to the extent of the reporting person's pecuniary interest therein, for purposes of Section 16, or for any other purpose. Read SEC document |
| October 04, 2021 Filed Jan 21, 2022 18:01 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | GiftCommon Stock | 626,192 | $24.70 | $15,466,942.40 |
DisclosureSEC source: 0000899243-22-002821 · doc4.xml · nonDerivative · entry 2 KIM AGNES C · CIK 0001158840 · Member of 10% owner group (6) 10b5-1 filing: Not disclosed Ownership: Indirect · By spouse Disclosed balance after: 75,007,632 F2 · shares: On October 4, 2021, the Qualified Annuity Trust under the James J. Kim 2018-1 Qualified Annuity Trust Agreement dtd 8/30/18 distributed 626,192 shares of the Issuer's Common Stock to Susan Y. Kim. James J. Kim and Susan Y. Kim are the co-trustees of the trust. F5 · balance_after: The reporting person disclaims beneficial ownership of these securities, except to the extent of the reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities, except to the extent of the reporting person's pecuniary interest therein, for purposes of Section 16, or for any other purpose. Read SEC document |
| July 14, 2021 Filed Jan 21, 2022 18:01 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | GiftCommon Stock | 271,895 | $23.15 | $6,294,369.25 |
DisclosureSEC source: 0000899243-22-002821 · doc4.xml · nonDerivative · entry 1 KIM AGNES C · CIK 0001158840 · Member of 10% owner group (6) 10b5-1 filing: Not disclosed Ownership: Indirect · By spouse Disclosed balance after: 75,633,824 F1 · shares: On July 14, 2021, the Qualified Annuity Trust Under the Susan Y. Kim 2020-1 Irrevocable Trust Agreement Dated 04/01/20 distributed 271,895 shares of the Issuer's Common Stock to Susan Y. Kim. Susan Y. Kim and James J. Kim are the co-trustees of the trust. James J. Kim and Susan Y. Kim are father and daughter. James J. Kim is the spouse of the reporting person. F5 · balance_after: The reporting person disclaims beneficial ownership of these securities, except to the extent of the reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities, except to the extent of the reporting person's pecuniary interest therein, for purposes of Section 16, or for any other purpose. Read SEC document |
| December 21, 2020 Filed Feb 16, 2021 13:46 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | GiftCommon Stock | 4,083,065 | $15.01 | $61,286,805.65 |
DisclosureSEC source: 0000899243-21-006545 · doc5.xml · nonDerivative · entry 5 KIM AGNES C · CIK 0001158840 · Exhibit 99.1 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 23 F5 · balance_after: On December 21, 2020, the reporting person transferred 4,083,065 shares of the Issuer's Common Stock to the Agnes C. Kim 2020-1 Qualified Annuity Trust U/A Dated 12/16/20 as a gift. Susan Y. Kim is the sole trustee of the trust. This transaction was previously reported on Form 3 for the trust and Form 4 for Susan Y. Kim. The reporting person disclaims beneficial ownership of these securities, except to the extent of the reporting person's pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities, except to the extent of the reporting person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. Read SEC document |
| December 17, 2020 Filed Feb 16, 2021 13:46 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | SaleCommon Stock | 1,633,226 | $15.41 | $25,168,012.66 |
DisclosureSEC source: 0000899243-21-006545 · doc5.xml · nonDerivative · entry 4 KIM AGNES C · CIK 0001158840 · Exhibit 99.1 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 23 F4 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Descendants of John T. Kim dated 2/5/08 sold 1,633,226 shares of Issuer's Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of a Note payable to her by such trust. Susan Y. Kim and John T. Kim are co-trustees of the trust. This transaction was reported on a Form 4 for the trust on December 20, 2020, but was not separately reported for the reporting person. Read SEC document |
| December 17, 2020 Filed Feb 16, 2021 13:46 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | SaleCommon Stock | 816,613 | $15.41 | $12,584,006.33 |
DisclosureSEC source: 0000899243-21-006545 · doc5.xml · nonDerivative · entry 3 KIM AGNES C · CIK 0001158840 · Exhibit 99.1 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 23 F3 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Dylan James Panichello & Descendants dated 2/5/08 sold 816,613 shares of Issuer's Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of a Note payable to her by such trust. Susan Y. Kim and John T. Kim are co-trustees of the trust. This transaction was reported on a Form 4 for the trust on December 20, 2020, but was not separately reported for the reporting person. Read SEC document |
| December 17, 2020 Filed Feb 16, 2021 13:46 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | SaleCommon Stock | 816,613 | $15.41 | $12,584,006.33 |
DisclosureSEC source: 0000899243-21-006545 · doc5.xml · nonDerivative · entry 2 KIM AGNES C · CIK 0001158840 · Exhibit 99.1 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 23 F2 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Jacqueline Mary Panichello & Descendants dated 2/5/08 sold 816,613 shares of Issuer's Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of a Note payable to her by such trust. Susan Y. Kim and John T. Kim are co-trustees of the trust. This transaction was reported on a Form 4 for the trust on December 20, 2020, but was not separately reported for the reporting person. Read SEC document |
| December 17, 2020 Filed Feb 16, 2021 13:46 UTC | AMKOR TECHNOLOGY, INC. AMKR · Entity 3481 | SaleCommon Stock | 816,613 | $15.41 | $12,584,006.33 |
DisclosureSEC source: 0000899243-21-006545 · doc5.xml · nonDerivative · entry 1 KIM AGNES C · CIK 0001158840 · Exhibit 99.1 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 23 F1 · balance_after: On December 17, 2020, the James J. Kim 2008 Trust FBO Alexandra Kim Panichello & Descendants dated 2/5/08 sold 816,613 shares of Issuer's Common Stock to Agnes C. Kim in full payment of the principal and accrued interest of a Note payable to her by such trust. Susan Y. Kim and John T. Kim are co-trustees of the trust. This transaction was reported on a Form 4 for the trust on December 20, 2020, but was not separately reported for the reporting person. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.