Costco Wholesale Corp /NEW SEC filings COST

Costco Wholesale Corp /NEW has 1,010 filings in SEC EDGAR's recent list, going back to Oct 25, 2016. Its latest annual report, Form 10-K, was filed on Oct 7, 2026 for the period ended Aug 30, 2026. The latest quarterly report (Form 10-Q) was filed on Jun 3, 2026, covering the quarter ended May 10, 2026. The most recent current report (Form 8-K) was filed on Oct 16, 2026 (officer or director change). The company's fiscal year ends on August 30.

Costco Wholesale Corp /NEW SEC filings
Form Description Filed Period
8-K Current report
Officer or director change
Oct 16, 2026 Oct 13, 2026
8-K Current report
Other events
Oct 14, 2026 Oct 14, 2026
10-K Annual report Oct 7, 2026 Aug 30, 2026
8-K Current report
Results of operations
Sep 24, 2026 Sep 24, 2026
8-K Current report
Other events
Jul 8, 2026 Jul 7, 2026
11-K Employee savings plan report Jun 29, 2026 Dec 31, 2025
S-3ASR Automatic shelf registration Jun 3, 2026 —
10-Q Quarterly report Jun 3, 2026 May 10, 2026
SD Specialized disclosure (conflict minerals) May 29, 2026 —
8-K Current report
Results of operations
May 28, 2026 May 28, 2026
8-K Current report
Other events
Apr 15, 2026 Apr 15, 2026
UPLOAD Letter from the SEC Mar 26, 2026 —
CORRESP Letter to the SEC Mar 23, 2026 —
10-Q Quarterly report Mar 11, 2026 Feb 15, 2026
8-K Current report
Results of operations
Mar 5, 2026 Mar 5, 2026
UPLOAD Letter from the SEC Mar 4, 2026 —
8-K Current report
Shareholder vote results, Other events
Jan 21, 2026 Jan 15, 2026
10-Q Quarterly report Dec 17, 2025 Nov 23, 2025
8-K Current report
Results of operations
Dec 11, 2025 Dec 11, 2025
DEFA14A Additional proxy material Dec 4, 2025 —
DEF 14A Proxy statement Dec 4, 2025 Aug 31, 2025
ARS Annual report to shareholders Dec 4, 2025 Aug 31, 2025
8-K Current report
Officer or director change
Oct 20, 2025 Oct 14, 2025
8-K Current report
Other events
Oct 15, 2025 Oct 15, 2025
10-K Annual report Oct 8, 2025 Aug 31, 2025
8-K Current report
Results of operations
Sep 25, 2025 Sep 25, 2025
8-K Current report
Officer or director change
Aug 7, 2025 Aug 4, 2025
8-K Current report
Other events
Jul 16, 2025 Jul 15, 2025
11-K Employee savings plan report Jun 27, 2025 Dec 31, 2024
8-K Current report
Officer or director change
Jun 11, 2025 Jun 10, 2025
10-Q Quarterly report Jun 5, 2025 May 11, 2025
8-K Current report
Results of operations
May 29, 2025 May 29, 2025
UPLOAD Letter from the SEC May 20, 2025 —
CORRESP Letter to the SEC May 15, 2025 —
SD Specialized disclosure (conflict minerals) May 15, 2025 —
UPLOAD Letter from the SEC May 12, 2025 —
CORRESP Letter to the SEC Apr 21, 2025 —
8-K Current report
Other events
Apr 16, 2025 Apr 16, 2025
CORRESP Letter to the SEC Apr 15, 2025 —
CORRESP Letter to the SEC Mar 21, 2025 —
UPLOAD Letter from the SEC Mar 19, 2025 —
10-Q Quarterly report Mar 13, 2025 Feb 16, 2025
8-K Current report
Results of operations
Mar 6, 2025 Mar 6, 2025
8-K Current report
Officer or director change
Feb 3, 2025 Jan 30, 2025
8-K Current report
Shareholder vote results, Other events
Jan 27, 2025 Jan 23, 2025
PX14A6G National center for public policy research - px14a6g Jan 17, 2025 —
PX14A6G National center for public policy research - px14a6g Jan 17, 2025 —
10-Q Quarterly report Dec 19, 2024 Nov 24, 2024
8-K Current report
Results of operations
Dec 12, 2024 Dec 12, 2024
DEFA14A Additional proxy material Dec 11, 2024 —
DEF 14A Proxy statement Dec 11, 2024 Sep 1, 2024
ARS Annual report to shareholders Dec 11, 2024 Sep 1, 2024
8-K Current report
Officer or director change
Nov 7, 2024 Nov 4, 2024
8-K Current report
Other events
Oct 17, 2024 Oct 16, 2024
10-K Annual report Oct 9, 2024 Sep 1, 2024
8-K Current report
Results of operations
Sep 26, 2024 Sep 26, 2024
8-K Current report
Bylaw or fiscal year change
Sep 20, 2024 Sep 16, 2024
8-K Current report
Other events
Jul 10, 2024 Jul 10, 2024
11-K Employee savings plan report Jun 20, 2024 Dec 31, 2023
10-Q Quarterly report Jun 6, 2024 May 12, 2024
8-K Current report
Results of operations
May 30, 2024 May 30, 2024
SD Specialized disclosure (conflict minerals) May 22, 2024 —
8-K Current report
Other events
Apr 10, 2024 Apr 10, 2024
10-Q Quarterly report Mar 13, 2024 Feb 18, 2024
8-K Current report
Results of operations
Mar 7, 2024 Mar 7, 2024
8-K Current report
Officer or director change, Regulation FD disclosure
Feb 9, 2024 Feb 5, 2024
8-K/A Amended current report
Officer or director change
Jan 22, 2024 Aug 16, 2023
8-K Current report
Shareholder vote results, Other events
Jan 22, 2024 Jan 18, 2024
S-8 Employee stock plan registration Jan 19, 2024 —
PX14A6G Bowyer research - px14a6g Jan 17, 2024 —
10-Q Quarterly report Dec 20, 2023 Nov 26, 2023
8-K Current report
Results of operations, Other events
Dec 14, 2023 Dec 13, 2023
ARS Annual report to shareholders Dec 7, 2023 Sep 3, 2023
DEFA14A Additional proxy material Dec 7, 2023 —
DEF 14A Proxy statement Dec 7, 2023 Sep 3, 2023
8-K Current report
Officer or director change
Nov 24, 2023 Nov 17, 2023
8-K Current report
Officer or director change, Other events
Oct 20, 2023 Oct 18, 2023
IRANNOTICE Filing Oct 11, 2023 —
10-K Annual report Oct 11, 2023 Sep 3, 2023
8-K Current report
Results of operations
Sep 26, 2023 Sep 26, 2023
8-K Current report
Officer or director change
Aug 17, 2023 Aug 16, 2023
8-K Current report
Bylaw or fiscal year change, Other events
Aug 10, 2023 Aug 9, 2023
11-K Employee savings plan report Jun 29, 2023 Dec 31, 2022
S-3ASR Automatic shelf registration Jun 1, 2023 —
10-Q Quarterly report Jun 1, 2023 May 7, 2023
8-K Current report
Results of operations
May 25, 2023 May 25, 2023
SD Specialized disclosure (conflict minerals) May 24, 2023 —
8-K Current report
Other events
Apr 19, 2023 Apr 19, 2023
IRANNOTICE Filing Mar 9, 2023 —
10-Q Quarterly report Mar 9, 2023 Feb 12, 2023
8-K Current report
Results of operations
Mar 3, 2023 Mar 2, 2023
8-K Current report
Shareholder vote results
Jan 25, 2023 Jan 19, 2023
8-K Current report
Other events
Jan 19, 2023 Jan 19, 2023
IRANNOTICE Filing Dec 29, 2022 —
10-Q Quarterly report Dec 29, 2022 Nov 20, 2022
PX14A6G Filing Dec 13, 2022 —
8-K Current report
Results of operations
Dec 9, 2022 Dec 8, 2022
DEFA14A Additional proxy material Dec 6, 2022 —
DEF 14A Proxy statement Dec 6, 2022 Aug 28, 2022
8-K Current report
Officer or director change
Nov 9, 2022 Nov 7, 2022
8-K Current report
Other events
Oct 12, 2022 Oct 12, 2022
10-K Annual report Oct 5, 2022 Aug 28, 2022
8-K Current report
Results of operations
Sep 23, 2022 Sep 22, 2022
8-K Current report
Other events
Jul 13, 2022 Jul 13, 2022
11-K Employee savings plan report Jun 29, 2022 Dec 31, 2021
10-Q Quarterly report Jun 2, 2022 May 8, 2022
8-K Current report
Results of operations
May 26, 2022 May 26, 2022
SD Specialized disclosure (conflict minerals) May 18, 2022 —
8-K Current report
Officer or director change
May 6, 2022 May 4, 2022
UPLOAD Letter from the SEC Apr 28, 2022 —
CORRESP Letter to the SEC Apr 22, 2022 —
UPLOAD Letter from the SEC Apr 18, 2022 —
8-K Current report
Other events
Apr 13, 2022 Apr 13, 2022
10-Q Quarterly report Mar 10, 2022 Feb 13, 2022
8-K Current report
Officer or director change
Mar 9, 2022 Mar 7, 2022
8-K Current report
Results of operations
Mar 4, 2022 Mar 3, 2022
8-K Current report
Officer or director change
Feb 3, 2022 Feb 2, 2022
8-K Current report
Shareholder vote results
Jan 25, 2022 Jan 20, 2022
8-K Current report
Other events
Jan 20, 2022 Jan 20, 2022
PX14A6G Filing Jan 14, 2022 —
DEFA14A Additional proxy material Jan 13, 2022 —
10-Q Quarterly report Dec 22, 2021 Nov 21, 2021
PX14A6G Filing Dec 15, 2021 —
DEFA14A Additional proxy material Dec 10, 2021 —
DEF 14A Proxy statement Dec 10, 2021 Aug 29, 2021
8-K Current report
Results of operations
Dec 9, 2021 Dec 9, 2021
8-K Current report
Officer or director change
Nov 10, 2021 Nov 8, 2021
8-K Current report
Other events
Oct 13, 2021 Oct 13, 2021
10-K Annual report Oct 6, 2021 Aug 29, 2021
8-K Current report
Results of operations
Sep 23, 2021 Sep 23, 2021
8-K Current report
Officer or director change
Sep 3, 2021 Aug 30, 2021
8-K Current report
Other events
Jul 14, 2021 Jul 13, 2021
11-K Employee savings plan report Jun 25, 2021 Dec 31, 2020
10-Q Quarterly report Jun 3, 2021 May 9, 2021
8-K Current report
Results of operations
May 27, 2021 May 27, 2021
SD Specialized disclosure (conflict minerals) May 12, 2021 —
8-K Current report
Other events
Apr 14, 2021 Apr 14, 2021
10-Q Quarterly report Mar 10, 2021 Feb 14, 2021
8-K Current report
Results of operations
Mar 4, 2021 Mar 4, 2021
8-K Current report
Shareholder vote results
Jan 26, 2021 Jan 21, 2021
8-K Current report
Other events
Jan 26, 2021 Jan 21, 2021
S-8 Employee stock plan registration Dec 16, 2020 —
10-Q Quarterly report Dec 16, 2020 Nov 22, 2020
8-K Current report
Results of operations
Dec 10, 2020 Dec 10, 2020
DEFA14A Additional proxy material Dec 10, 2020 —
DEF 14A Proxy statement Dec 10, 2020 Aug 30, 2020
8-K Current report
Other events
Nov 18, 2020 Nov 16, 2020
8-K Current report
Officer or director change
Oct 15, 2020 Oct 13, 2020
8-K Current report
Other events
Oct 14, 2020 Oct 14, 2020
10-K Annual report Oct 7, 2020 Aug 30, 2020
8-K Current report
Results of operations
Sep 24, 2020 Sep 24, 2020
8-K Current report
Bylaw or fiscal year change
Sep 16, 2020 Sep 11, 2020
8-K Current report
Other events
Jul 16, 2020 Jul 15, 2020
11-K Employee savings plan report Jun 29, 2020 Dec 31, 2019
10-Q Quarterly report Jun 4, 2020 May 10, 2020
8-K Current report
Results of operations
May 28, 2020 May 28, 2020
SD Specialized disclosure (conflict minerals) May 8, 2020 —
8-K Current report
Other events
Apr 17, 2020 Apr 16, 2020
424B5 Prospectus supplement Apr 17, 2020 —
FWP Free writing prospectus Apr 16, 2020 —
8-K Current report
Other events
Apr 16, 2020 Apr 15, 2020
424B5 Prospectus supplement Apr 16, 2020 —
S-3ASR Automatic shelf registration Apr 15, 2020 —
10-Q Quarterly report Mar 12, 2020 Feb 16, 2020
8-K Current report
Results of operations
Mar 5, 2020 Mar 5, 2020
8-K Current report
Bylaw or fiscal year change
Jan 29, 2020 Jan 24, 2020
8-K Current report
Shareholder vote results
Jan 28, 2020 Jan 22, 2020
8-K Current report
Other events
Jan 24, 2020 Jan 23, 2020
10-Q Quarterly report Dec 23, 2019 Nov 24, 2019
8-K Current report
Results of operations
Dec 12, 2019 Dec 12, 2019
DEFA14A Additional proxy material Dec 10, 2019 —
DEF 14A Proxy statement Dec 10, 2019 Sep 1, 2019
PRE 14A Preliminary proxy statement Nov 29, 2019 Sep 1, 2019
8-K Current report
Officer or director change
Nov 27, 2019 Nov 25, 2019
8-K Current report
Officer or director change
Oct 21, 2019 Oct 17, 2019
8-K Current report
Other events
Oct 21, 2019 Oct 18, 2019
10-K Annual report Oct 11, 2019 Sep 1, 2019
8-K Current report
Results of operations
Oct 3, 2019 Oct 3, 2019
8-K Current report
Other events
Aug 14, 2019 Aug 13, 2019
11-K Employee savings plan report Jun 24, 2019 Dec 31, 2018
10-Q Quarterly report Jun 6, 2019 May 12, 2019
8-K Current report
Results of operations
May 31, 2019 May 30, 2019
SD Specialized disclosure (conflict minerals) May 21, 2019 —
8-K Current report
Bylaw or fiscal year change, Other events
Apr 30, 2019 Apr 26, 2019
CT ORDER Filing Mar 22, 2019 —
S-8 Employee stock plan registration Mar 13, 2019 —
S-8 POS Filing Mar 13, 2019 —
S-8 POS Filing Mar 13, 2019 —
10-Q Quarterly report Mar 13, 2019 Feb 17, 2019
8-K Current report
Results of operations
Mar 7, 2019 Mar 7, 2019
8-K Current report
Shareholder vote results
Jan 30, 2019 Jan 24, 2019
8-K Current report
Other events
Jan 25, 2019 Jan 24, 2019
PX14A6G Filing Jan 2, 2019 —
10-Q Quarterly report Dec 20, 2018 Nov 25, 2018
DEFA14A Additional proxy material Dec 17, 2018 —
DEF 14A Proxy statement Dec 17, 2018 Sep 2, 2018
8-K Current report
Results of operations
Dec 13, 2018 Dec 13, 2018
8-K Current report
Officer or director change
Oct 26, 2018 Oct 23, 2018
10-K Annual report Oct 26, 2018 Sep 2, 2018
8-K Current report
Other events
Oct 24, 2018 Oct 24, 2018

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
Retail-Variety Stores (SIC 5331)
Listed as
COST (Nasdaq)
Fiscal year ends
August 30
Incorporated in
WA
Headquarters
Issaquah, WA
SEC filer status
Large accelerated filer
SEC CIK
909832
Former names
COSTCO COMPANIES INC (until Jun 29, 1999); PRICE/COSTCO INC (until Jan 6, 1997)

Other Retail-Variety Stores companies

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