ASE Technology Holding Co., Ltd. SEC filings ASX

ASE Technology Holding Co., Ltd. has 946 filings in SEC EDGAR's recent list, going back to Aug 28, 2000. Its latest annual report, Form 20-F, was filed on Apr 1, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 29, 2026. The company's fiscal year ends on December 31.

ASE Technology Holding Co., Ltd. SEC filings
Form Description Filed Period
6-K Current report (foreign issuer) Oct 29, 2026 Oct 29, 2026
6-K Current report (foreign issuer) Oct 29, 2026 Oct 29, 2026
6-K Current report (foreign issuer) Oct 13, 2026 Oct 13, 2026
6-K Current report (foreign issuer) Sep 9, 2026 Sep 9, 2026
6-K Current report (foreign issuer) Aug 10, 2026 Aug 10, 2026
6-K Current report (foreign issuer) Aug 3, 2026 Aug 3, 2026
6-K Current report (foreign issuer) Aug 3, 2026 Aug 3, 2026
6-K Current report (foreign issuer) Jul 30, 2026 Jul 30, 2026
6-K Current report (foreign issuer) Jul 30, 2026 Jul 30, 2026
6-K Current report (foreign issuer) Jul 9, 2026 Jul 9, 2026
6-K Current report (foreign issuer) Jun 9, 2026 Jun 9, 2026
SD Specialized disclosure (conflict minerals) May 29, 2026 —
6-K/A Form 6-k/a May 8, 2026 May 8, 2026
6-K Current report (foreign issuer) May 8, 2026 May 8, 2026
6-K Current report (foreign issuer) Apr 29, 2026 Apr 29, 2026
6-K Current report (foreign issuer) Apr 29, 2026 Apr 29, 2026
6-K Current report (foreign issuer) Apr 10, 2026 Apr 10, 2026
6-K Current report (foreign issuer) Apr 8, 2026 Apr 8, 2026
20-F Annual report (foreign issuer) Apr 1, 2026 Dec 31, 2025
6-K Current report (foreign issuer) Mar 27, 2026 Mar 27, 2026
6-K Current report (foreign issuer) Mar 10, 2026 Mar 10, 2026
6-K Current report (foreign issuer) Feb 10, 2026 Feb 10, 2026
6-K Current report (foreign issuer) Feb 5, 2026 Feb 5, 2026
6-K Current report (foreign issuer) Feb 5, 2026 Feb 5, 2026
6-K Current report (foreign issuer) Jan 9, 2026 Jan 9, 2026
6-K Current report (foreign issuer) Dec 9, 2025 Dec 9, 2025
6-K Current report (foreign issuer) Nov 10, 2025 Nov 10, 2025
6-K Current report (foreign issuer) Oct 30, 2025 Oct 30, 2025
6-K Current report (foreign issuer) Oct 30, 2025 Oct 30, 2025
6-K Current report (foreign issuer) Oct 9, 2025 Oct 9, 2025
6-K Current report (foreign issuer) Sep 10, 2025 Sep 9, 2025
6-K Current report (foreign issuer) Aug 11, 2025 Aug 11, 2025
6-K Current report (foreign issuer) Jul 31, 2025 Jul 31, 2025
6-K Current report (foreign issuer) Jul 31, 2025 Jul 31, 2025
6-K Current report (foreign issuer) Jul 10, 2025 Jul 10, 2025
6-K Current report (foreign issuer) Jun 10, 2025 Jun 10, 2025
SD Specialized disclosure (conflict minerals) May 29, 2025 —
6-K Current report (foreign issuer) May 9, 2025 May 9, 2025
6-K Current report (foreign issuer) Apr 30, 2025 Apr 30, 2025
6-K Current report (foreign issuer) Apr 30, 2025 Apr 30, 2025
6-K Current report (foreign issuer) Apr 21, 2025 Apr 10, 2025
6-K/A Form 6-k/a Apr 7, 2025 Apr 7, 2025
6-K Current report (foreign issuer) Apr 1, 2025 Apr 1, 2025
6-K Current report (foreign issuer) Mar 31, 2025 Mar 31, 2025
20-F Annual report (foreign issuer) Mar 27, 2025 Dec 31, 2024
6-K Current report (foreign issuer) Mar 10, 2025 Mar 10, 2025
6-K Current report (foreign issuer) Feb 13, 2025 Feb 13, 2025
6-K Current report (foreign issuer) Feb 13, 2025 Feb 13, 2025
6-K Current report (foreign issuer) Feb 10, 2025 Feb 10, 2025
6-K Current report (foreign issuer) Feb 7, 2025 Feb 7, 2025
6-K Current report (foreign issuer) Jan 10, 2025 Jan 10, 2025
6-K Current report (foreign issuer) Dec 10, 2024 Dec 10, 2024
6-K Current report (foreign issuer) Nov 12, 2024 Nov 11, 2024
6-K Current report (foreign issuer) Oct 31, 2024 Oct 31, 2024
6-K Current report (foreign issuer) Oct 31, 2024 Oct 31, 2024
6-K Current report (foreign issuer) Oct 9, 2024 Oct 9, 2024
6-K Current report (foreign issuer) Sep 10, 2024 Sep 10, 2024
S-8 Employee stock plan registration Aug 15, 2024 —
6-K Current report (foreign issuer) Aug 9, 2024 Aug 9, 2024
6-K Current report (foreign issuer) Jul 25, 2024 Jul 25, 2024
6-K Current report (foreign issuer) Jul 25, 2024 Jul 25, 2024
6-K Current report (foreign issuer) Jul 9, 2024 Jul 8, 2024
6-K Current report (foreign issuer) Jun 11, 2024 Jun 11, 2024
SD Specialized disclosure (conflict minerals) May 31, 2024 —
6-K Current report (foreign issuer) May 9, 2024 May 9, 2024
6-K Current report (foreign issuer) Apr 25, 2024 Apr 25, 2024
6-K Current report (foreign issuer) Apr 25, 2024 Apr 25, 2024
6-K Current report (foreign issuer) Apr 9, 2024 Apr 9, 2024
6-K Current report (foreign issuer) Apr 8, 2024 Apr 8, 2024
20-F Annual report (foreign issuer) Apr 3, 2024 Dec 31, 2023
6-K Current report (foreign issuer) Mar 28, 2024 Mar 27, 2024
6-K Current report (foreign issuer) Mar 11, 2024 Mar 11, 2024
6-K Current report (foreign issuer) Feb 22, 2024 Feb 22, 2024
6-K Current report (foreign issuer) Feb 15, 2024 Feb 15, 2024
6-K Current report (foreign issuer) Feb 1, 2024 Feb 1, 2024
6-K Current report (foreign issuer) Feb 1, 2024 Feb 1, 2024
6-K Current report (foreign issuer) Jan 9, 2024 Jan 9, 2024
6-K Current report (foreign issuer) Dec 11, 2023 Dec 11, 2023
6-K Current report (foreign issuer) Nov 9, 2023 Nov 9, 2023
S-8 Employee stock plan registration Oct 27, 2023 —
6-K Current report (foreign issuer) Oct 26, 2023 Oct 26, 2023
6-K Current report (foreign issuer) Oct 26, 2023 Oct 26, 2023
6-K Current report (foreign issuer) Oct 11, 2023 Oct 11, 2023
6-K Current report (foreign issuer) Sep 11, 2023 Sep 11, 2023
6-K Current report (foreign issuer) Aug 9, 2023 Aug 9, 2023
6-K Current report (foreign issuer) Jul 27, 2023 Jul 27, 2023
6-K Current report (foreign issuer) Jul 27, 2023 Jul 27, 2023
6-K Current report (foreign issuer) Jul 10, 2023 Jul 10, 2023
6-K Current report (foreign issuer) Jun 9, 2023 Jun 9, 2023
6-K Current report (foreign issuer) Jun 9, 2023 Jun 9, 2023
6-K Current report (foreign issuer) Jun 7, 2023 Jun 7, 2023
SD Specialized disclosure (conflict minerals) May 31, 2023 —
6-K Current report (foreign issuer) May 26, 2023 May 26, 2023
6-K Current report (foreign issuer) May 16, 2023 May 16, 2023
6-K Current report (foreign issuer) May 9, 2023 May 9, 2023
6-K Current report (foreign issuer) Apr 27, 2023 Apr 27, 2023
6-K Current report (foreign issuer) Apr 27, 2023 Apr 27, 2023
6-K Current report (foreign issuer) Apr 11, 2023 Apr 11, 2023
6-K Current report (foreign issuer) Apr 11, 2023 Apr 11, 2023
20-F Annual report (foreign issuer) Apr 10, 2023 Dec 31, 2022
6-K Current report (foreign issuer) Mar 30, 2023 Mar 30, 2023
6-K Current report (foreign issuer) Mar 9, 2023 Mar 9, 2023
6-K Current report (foreign issuer) Feb 9, 2023 Feb 9, 2023
6-K Current report (foreign issuer) Feb 9, 2023 Feb 9, 2023
6-K Current report (foreign issuer) Feb 9, 2023 Feb 9, 2023
6-K Current report (foreign issuer) Feb 9, 2023 Feb 9, 2023
6-K Current report (foreign issuer) Jan 10, 2023 Jan 10, 2023
6-K Current report (foreign issuer) Dec 9, 2022 Dec 9, 2022
6-K Current report (foreign issuer) Nov 9, 2022 Nov 9, 2022
6-K Current report (foreign issuer) Oct 27, 2022 Oct 27, 2022
6-K Current report (foreign issuer) Oct 27, 2022 Oct 27, 2022
6-K Current report (foreign issuer) Oct 11, 2022 Oct 11, 2022
6-K Current report (foreign issuer) Sep 12, 2022 Aug 12, 2022
6-K Current report (foreign issuer) Aug 9, 2022 Aug 9, 2022
6-K Current report (foreign issuer) Jul 28, 2022 Jul 28, 2022
6-K Current report (foreign issuer) Jul 28, 2022 Jul 28, 2022
6-K Current report (foreign issuer) Jul 11, 2022 Jul 11, 2022
6-K Current report (foreign issuer) Jun 9, 2022 Jun 9, 2022
SD Specialized disclosure (conflict minerals) May 31, 2022 —
6-K Current report (foreign issuer) May 10, 2022 May 10, 2022
6-K Current report (foreign issuer) Apr 28, 2022 Apr 28, 2022
6-K Current report (foreign issuer) Apr 28, 2022 Apr 28, 2022
6-K Current report (foreign issuer) Apr 11, 2022 Apr 11, 2022
6-K Current report (foreign issuer) Mar 30, 2022 Mar 30, 2022
20-F Annual report (foreign issuer) Mar 29, 2022 Dec 31, 2021
6-K Current report (foreign issuer) Mar 15, 2022 Mar 15, 2022
6-K Current report (foreign issuer) Mar 9, 2022 Mar 9, 2022
S-8 Employee stock plan registration Feb 25, 2022 —
6-K Current report (foreign issuer) Feb 10, 2022 Feb 10, 2022
6-K Current report (foreign issuer) Feb 10, 2022 Feb 10, 2022
6-K Current report (foreign issuer) Feb 10, 2022 Feb 10, 2022
6-K Current report (foreign issuer) Jan 10, 2022 Jan 10, 2022
6-K Current report (foreign issuer) Dec 9, 2021 Dec 9, 2021
6-K Current report (foreign issuer) Dec 1, 2021 Dec 1, 2021
6-K Current report (foreign issuer) Dec 1, 2021 Dec 1, 2021
6-K Current report (foreign issuer) Nov 9, 2021 Nov 9, 2021
6-K Current report (foreign issuer) Oct 28, 2021 Oct 28, 2021
6-K Current report (foreign issuer) Oct 28, 2021 Oct 28, 2021
6-K Current report (foreign issuer) Oct 8, 2021 Oct 8, 2021
6-K Current report (foreign issuer) Sep 9, 2021 Sep 9, 2021
6-K Current report (foreign issuer) Aug 10, 2021 Aug 10, 2021
6-K Current report (foreign issuer) Jul 30, 2021 Jul 30, 2021
6-K Current report (foreign issuer) Jul 29, 2021 Jul 29, 2021
6-K Current report (foreign issuer) Jul 29, 2021 Jul 29, 2021
6-K Current report (foreign issuer) Jul 9, 2021 Jul 9, 2021
6-K Current report (foreign issuer) Jun 10, 2021 Jun 10, 2021
SD Specialized disclosure (conflict minerals) Jun 1, 2021 —
6-K Current report (foreign issuer) May 24, 2021 May 24, 2021
6-K Current report (foreign issuer) May 10, 2021 May 10, 2021
6-K Current report (foreign issuer) Apr 28, 2021 Apr 28, 2021
6-K Current report (foreign issuer) Apr 28, 2021 Apr 28, 2021
6-K Current report (foreign issuer) Apr 9, 2021 Apr 9, 2021
6-K Current report (foreign issuer) Apr 8, 2021 Apr 8, 2021
20-F Annual report (foreign issuer) Apr 6, 2021 Dec 31, 2020
6-K Current report (foreign issuer) Mar 29, 2021 Mar 29, 2021
6-K Current report (foreign issuer) Mar 9, 2021 Mar 9, 2021
6-K Current report (foreign issuer) Feb 9, 2021 Feb 4, 2021
6-K Current report (foreign issuer) Feb 4, 2021 Feb 4, 2021
6-K Current report (foreign issuer) Feb 4, 2021 Feb 4, 2021
6-K Current report (foreign issuer) Jan 15, 2021 Jan 8, 2021
6-K Current report (foreign issuer) Jan 8, 2021 Jan 8, 2021
6-K Current report (foreign issuer) Dec 9, 2020 Dec 9, 2020
6-K Current report (foreign issuer) Dec 3, 2020 Dec 3, 2020
6-K Current report (foreign issuer) Dec 3, 2020 Dec 3, 2020
6-K Current report (foreign issuer) Nov 10, 2020 Nov 10, 2020
6-K Current report (foreign issuer) Oct 30, 2020 Oct 30, 2020
6-K Current report (foreign issuer) Oct 30, 2020 Oct 30, 2020
6-K Current report (foreign issuer) Oct 8, 2020 Oct 8, 2020
6-K Current report (foreign issuer) Sep 30, 2020 Sep 30, 2020
6-K Current report (foreign issuer) Sep 9, 2020 Sep 9, 2020
6-K Current report (foreign issuer) Aug 10, 2020 Aug 10, 2020
6-K Current report (foreign issuer) Jul 31, 2020 Jul 31, 2020
6-K Current report (foreign issuer) Jul 31, 2020 Jul 31, 2020
6-K Current report (foreign issuer) Jul 9, 2020 Jul 9, 2020
6-K Current report (foreign issuer) Jun 9, 2020 Jun 9, 2020
SD Specialized disclosure (conflict minerals) May 29, 2020 —
20-F/A Amended annual report (foreign issuer) May 15, 2020 Dec 31, 2019
6-K Current report (foreign issuer) May 8, 2020 May 8, 2020
6-K Current report (foreign issuer) Apr 29, 2020 Apr 29, 2020
6-K Current report (foreign issuer) Apr 29, 2020 Apr 29, 2020
6-K Current report (foreign issuer) Apr 10, 2020 Apr 10, 2020
6-K Current report (foreign issuer) Apr 1, 2020 Apr 1, 2020
6-K Current report (foreign issuer) Apr 1, 2020 Apr 1, 2020
20-F Annual report (foreign issuer) Mar 31, 2020 Dec 31, 2019
6-K Current report (foreign issuer) Mar 25, 2020 Mar 25, 2020
6-K Current report (foreign issuer) Mar 10, 2020 Mar 10, 2020
6-K Current report (foreign issuer) Feb 10, 2020 Feb 10, 2020
6-K Current report (foreign issuer) Feb 7, 2020 Feb 7, 2020
6-K Current report (foreign issuer) Feb 7, 2020 Feb 7, 2020
6-K Current report (foreign issuer) Jan 9, 2020 Jan 9, 2020
6-K Current report (foreign issuer) Dec 13, 2019 Dec 13, 2019
6-K Current report (foreign issuer) Dec 12, 2019 Dec 12, 2019
6-K Current report (foreign issuer) Dec 10, 2019 Dec 10, 2019
6-K Current report (foreign issuer) Nov 8, 2019 Nov 8, 2019
6-K Current report (foreign issuer) Oct 30, 2019 Oct 30, 2019
6-K Current report (foreign issuer) Oct 30, 2019 Oct 30, 2019
6-K Current report (foreign issuer) Oct 9, 2019 Oct 9, 2019
6-K Current report (foreign issuer) Sep 10, 2019 Sep 10, 2019
6-K Current report (foreign issuer) Aug 14, 2019 Aug 9, 2019
6-K Current report (foreign issuer) Aug 2, 2019 Aug 2, 2019

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Semiconductors & Related Devices (SIC 3674)
Listed as
ASX (NYSE)
Fiscal year ends
December 31
Incorporated in
Taiwan
Headquarters
Kaohsiung
SEC filer status
Large accelerated filer
SEC CIK
1122411
Former names
ASE Industrial Holding Co., Ltd. (until Jun 8, 2018); ADVANCED SEMICONDUCTOR ENGINEERING INC (until Apr 30, 2018)

Other Semiconductors & Related Devices companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.