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COSTCostco

Consumer staples · Discount Stores · Nasdaq

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Filings with the SEC since Oct 24, 2016

1,021 filings, 23 in the last 30 days

SEC filing index

Latest annual reportOpen ↗

Oct 7, 2026

10-K, period to Aug 30, 2026

Latest quarterly reportOpen ↗

Jun 3, 2026

10-Q, period to May 10, 2026

Latest current reportOpen ↗

Nov 10, 2026

8-K: Director or officer change, Other events

Filed in the last 30 days

of 1,021 in all

Timeline

Every filing on one line

1 yr 2 yr 3 yr

Annual report (10-K)Quarterly report (10-Q)Current report (8-K)Auditor changeCEO, CFO, COO or CAO changeRestatementLate filing noticeInsider purchaseCluster buy (3+ insiders)SEC comment letterShare offering (S-3, 424B)

20252026

All 32 events

Nov 10, 20268-K Director or officer change, Other events 8-K items 5.02, 8.01
Oct 16, 20268-K Director or officer change 8-K item 5.02
Oct 14, 20268-K Other events 8-K item 8.01
Oct 7, 202610-K Annual report (10-K) period ended Aug 30, 2026
Sep 24, 20268-K Quarterly results 8-K item 2.02
Jul 8, 20268-K Other events 8-K item 8.01
Jun 3, 202610-Q Quarterly report (10-Q) period ended May 10, 2026
May 28, 20268-K Quarterly results 8-K item 2.02
Apr 15, 20268-K Other events 8-K item 8.01
Mar 26, 2026SEC letter SEC asked 2 questions about Form 10-K letters 2026-03-04 to 2026-03-26 · Results discussion (MD&A), Liquidity and cash, Segments
Mar 11, 202610-Q Quarterly report (10-Q) period ended Feb 15, 2026
Mar 5, 20268-K Quarterly results 8-K item 2.02
Jan 21, 20268-K Shareholder vote results, Other events 8-K items 5.07, 8.01
Dec 17, 202510-Q Quarterly report (10-Q) period ended Nov 23, 2025
Dec 11, 20258-K Quarterly results 8-K item 2.02
Oct 20, 20258-K Director or officer change 8-K item 5.02
Oct 15, 20258-K Other events 8-K item 8.01
Oct 8, 202510-K Annual report (10-K) period ended Aug 31, 2025
Sep 25, 20258-K Quarterly results 8-K item 2.02
Aug 7, 20258-K Director or officer change 8-K item 5.02
Jul 16, 20258-K Other events 8-K item 8.01
Jun 11, 20258-K Director or officer change 8-K item 5.02
Jun 5, 202510-Q Quarterly report (10-Q) period ended May 11, 2025
May 29, 20258-K Quarterly results 8-K item 2.02
May 20, 2025SEC letter SEC asked 6 questions about Form 10-K letters 2025-03-19 to 2025-05-20 · Revenue, Results discussion (MD&A)
Apr 16, 20258-K Other events 8-K item 8.01
Mar 13, 202510-Q Quarterly report (10-Q) period ended Feb 16, 2025
Mar 6, 20258-K Quarterly results 8-K item 2.02
Feb 3, 20258-K Director or officer change 8-K item 5.02
Jan 27, 20258-K Shareholder vote results, Other events 8-K items 5.07, 8.01
Dec 19, 202410-Q Quarterly report (10-Q) period ended Nov 24, 2024
Dec 12, 20248-K Quarterly results 8-K item 2.02

From the SEC filing index. Insider purchases go back 180 days (the Form 4s downloaded).

Every filing

Newest first, by kind

Each form links to sec.gov

All 1021 Annual & quarterly 40 Current reports (8-K) 122 Insiders 754 Proxy & votes 30 Big owners (13D/13G) 18 Shares & debt offered 13 SEC letters 13 Other 31

Filed	Form	What it is	Period
Dec 4, 2025	DEFA14A	Extra proxy material		all files
Dec 4, 2025	DEF 14A	Proxy statement	Aug 31, 2025	all files
Jan 17, 2025	PX14A6G	Shareholder's proxy letter		all files
Jan 17, 2025	PX14A6G	Shareholder's proxy letter		all files
Dec 11, 2024	DEFA14A	Extra proxy material		all files
Dec 11, 2024	DEF 14A	Proxy statement	Sep 1, 2024	all files
Jan 17, 2024	PX14A6G	Shareholder's proxy letter		all files
Dec 7, 2023	DEFA14A	Extra proxy material		all files
Dec 7, 2023	DEF 14A	Proxy statement	Sep 3, 2023	all files
Dec 13, 2022	PX14A6G	Shareholder's proxy letter		all files
Dec 6, 2022	DEFA14A	Extra proxy material		all files
Dec 6, 2022	DEF 14A	Proxy statement	Aug 28, 2022	all files
Jan 14, 2022	PX14A6G	Shareholder's proxy letter		all files
Jan 13, 2022	DEFA14A	Extra proxy material		all files
Dec 15, 2021	PX14A6G	Shareholder's proxy letter		all files
Dec 10, 2021	DEFA14A	Extra proxy material		all files
Dec 10, 2021	DEF 14A	Proxy statement	Aug 29, 2021	all files
Dec 10, 2020	DEFA14A	Extra proxy material		all files
Dec 10, 2020	DEF 14A	Proxy statement	Aug 30, 2020	all files
Dec 10, 2019	DEFA14A	Extra proxy material		all files
Dec 10, 2019	DEF 14A	Proxy statement	Sep 1, 2019	all files
Nov 29, 2019	PRE 14A		Sep 1, 2019	all files
Jan 2, 2019	PX14A6G	Shareholder's proxy letter		all files
Dec 17, 2018	DEFA14A	Extra proxy material		all files
Dec 17, 2018	DEF 14A	Proxy statement	Sep 2, 2018	all files
Dec 22, 2017	PX14A6G	Shareholder's proxy letter		all files
Dec 15, 2017	DEFA14A	Extra proxy material		all files
Dec 15, 2017	DEF 14A	Proxy statement	Sep 3, 2017	all files
Dec 16, 2016	DEFA14A	Extra proxy material		all files
Dec 16, 2016	DEF 14A	Proxy statement	Aug 28, 2016	all files

Show the other 5 filings on this page

Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results"; read them on Earnings releases.

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