secwatch.observer — SEC 8-K summary ====================================== Issuer: AMKOR TECHNOLOGY, INC. (AMKR) CIK: 0001047127 Form: 8-K Filed at: 2026-05-21T12:50:16+00:00 Accession: 0001047127-26-000036 Event type: other_material Sentiment: neutral Materiality: 0.20 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Amkor Technology holds Investor Day on May 21, 2026; presentation furnished without specific financial targets in filing -------------------------------------------------------------------------------- - Investor Day held at Convene 810 Seventh Avenue in New York City on May 21, 2026. - Investor presentation furnished as Exhibit 99.1 but full details not included in the 8-K text. - Filing is a routine Reg FD disclosure; no new financial or operational data provided in the body. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1047127/000104712726000036/0001047127-26-000036-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1047127/000104712726000036/amkr-20260521.htm HTML page: https://secwatch.observer/filing/0001047127-26-000036 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer