AMKOR TECHNOLOGY INC filings

SEC filings by AMKOR TECHNOLOGY INC (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2024-02-13VANGUARD GROUP INCAMKOR TECHNOLOGY, INC.14,756,9926.0%EDGAR
SC 13G/A2024-02-09DIMENSIONAL FUND ADVISORS LPAMKOR TECHNOLOGY, INC.14,862,1986.0%EDGAR
SC 13G/A2024-01-29BlackRock Inc.AMKOR TECHNOLOGY, INC.14,920,4916.1%EDGAR
SC 13D/A2023-09-11KIM JAMES JAMKOR TECHNOLOGY, INC.40,314,23216.4%EDGAR
SC 13G/A2023-02-10DIMENSIONAL FUND ADVISORS LPAMKOR TECHNOLOGY, INC.15,711,1846.4%EDGAR
SC 13G2023-02-09VANGUARD GROUP INCAMKOR TECHNOLOGY, INC.13,127,0825.4%EDGAR
SC 13G2023-02-03BlackRock Inc.AMKOR TECHNOLOGY, INC.13,223,7435.4%EDGAR
SC 13G/A2022-02-08DIMENSIONAL FUND ADVISORS LPAMKOR TECHNOLOGY, INC.15,417,3336.3%EDGAR
SC 13D/A2022-01-04KIM JAMES JAMKOR TECHNOLOGY, INC.51,833,40721.2%EDGAR
SC 13D/A2021-03-16KIM JAMES JAMKOR TECHNOLOGY, INC.51,184,85721.0%EDGAR
SC 13G/A2021-02-12DIMENSIONAL FUND ADVISORS LPAMKOR TECHNOLOGY, INC.16,722,9456.9%EDGAR
SC 13D/A2020-03-20KIM JAMES JAMKOR TECHNOLOGY, INC.51,371,80321.3%EDGAR
SC 13G/A2020-02-12DIMENSIONAL FUND ADVISORS LPAMKOR TECHNOLOGY, INC.18,052,4617.5%EDGAR
SC 13G/A2019-02-11VANGUARD GROUP INCAMKOR TECHNOLOGY, INC.10,007,2144.2%EDGAR
SC 13G/A2019-02-08DIMENSIONAL FUND ADVISORS LPAMKOR TECHNOLOGY, INC.17,422,7537.3%EDGAR
SC 13D/A2018-11-09KIM JAMES JAMKOR TECHNOLOGY, INC.54,708,70322.8%EDGAR
SC 13D/A2018-03-21KIM JAMES JAMKOR TECHNOLOGY, INC.52,115,13021.8%EDGAR
SC 13G2018-02-09DIMENSIONAL FUND ADVISORS LPAMKOR TECHNOLOGY, INC.15,021,0876.3%EDGAR
SC 13G2018-02-08VANGUARD GROUP INCAMKOR TECHNOLOGY, INC.12,075,1335.0%EDGAR
SC 13D/A2017-01-20KIM JAMES JAMKOR TECHNOLOGY, INC.51,512,03721.5%EDGAR