Costco Wholesale COST SEC Filings

NASDAQ COST
$1,087.61 +21.47 (+2.01%)
At close: Nov 11, 2026 · 4:00 PM EST
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Costco Wholesale Corp /New (COST) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0000909832-26-000134Nov 10, 2026 4:16 PM
24Insider Transaction0000909832-26-000131Oct 27, 2026 8:16 PM
34Insider Transaction0000909832-26-000129Oct 27, 2026 8:14 PM
44Insider Transaction0000909832-26-000127Oct 27, 2026 8:13 PM
54Insider Transaction0000909832-26-000125Oct 26, 2026 1:53 AM
64Insider Transaction0000909832-26-000124Oct 26, 2026 1:44 AM
74Insider Transaction0000909832-26-000123Oct 26, 2026 1:28 AM
84Insider Transaction0000909832-26-000122Oct 26, 2026 1:21 AM
94Insider Transaction0000909832-26-000121Oct 26, 2026 1:13 AM
104Insider Transaction0000909832-26-000120Oct 26, 2026 1:06 AM
114Insider Transaction0000909832-26-000119Oct 26, 2026 10:42 PM
124Insider Transaction0000909832-26-000117Oct 26, 2026 10:32 PM
134Insider Transaction0000909832-26-000115Oct 26, 2026 10:28 PM
144Insider Transaction0000909832-26-000113Oct 26, 2026 10:27 PM
154Insider Transaction0000909832-26-000111Oct 26, 2026 10:21 PM
164Insider Transaction0000909832-26-000109Oct 26, 2026 10:19 PM
174Insider Transaction0000909832-26-000107Oct 26, 2026 10:17 PM
184Insider Transaction0000909832-26-000105Oct 26, 2026 10:15 PM
194Insider Transaction0000909832-26-000103Oct 26, 2026 10:13 PM
208-KCurrent Report0000909832-26-000100Oct 16, 2026 12:52 AM
214Insider Transaction0000909832-26-000098Oct 14, 2026 3:00 AM
228-KCurrent Report0000909832-26-000096Oct 14, 2026 12:16 AM
23144Insider Transaction0001959173-26-007355Oct 13, 2026 11:26 PM
2410-KQuarterly & Annual Report0000909832-26-000093Oct 7, 2026 5:13 AM
254Insider Transaction0000909832-26-000090Sep 30, 2026 9:52 PM
264Insider Transaction0000909832-26-000088Sep 30, 2026 9:48 PM
273Insider Transaction0000909832-26-000086Sep 30, 2026 9:46 PM
28144Insider Transaction0001959173-26-007137Sep 29, 2026 6:02 PM
29144Insider Transaction0001959173-26-007136Sep 29, 2026 5:32 PM
308-KCurrent Report0000909832-26-000084Sep 24, 2026 8:17 PM
314Insider Transaction0000909832-26-000080Sep 14, 2026 9:30 PM
324Insider Transaction0000909832-26-000078Sep 14, 2026 9:28 PM
334Insider Transaction0000909832-26-000076Sep 14, 2026 9:25 PM
344Insider Transaction0000909832-26-000074Sep 14, 2026 9:23 PM
354Insider Transaction0000909832-26-000072Sep 14, 2026 9:22 PM
364Insider Transaction0000909832-26-000070Sep 14, 2026 9:20 PM
374Insider Transaction0000909832-26-000068Sep 14, 2026 9:17 PM
383Insider Transaction0000909832-26-000066Sep 10, 2026 9:48 PM
394Insider Transaction0000909832-26-000062Jul 14, 2026 8:14 PM
408-KCurrent Report0000909832-26-000060Jul 8, 2026 8:18 PM
4111-KOthers0000909832-26-000056Jun 29, 2026 10:16 PM
424Insider Transaction0000909832-26-000053Jun 25, 2026 8:12 PM
43144Insider Transaction0001959173-26-004831Jun 23, 2026 8:08 PM
44144Insider Transaction0001959173-26-004598Jun 12, 2026 3:39 PM
45144Insider Transaction0001959173-26-004380Jun 5, 2026 4:04 PM
46S-3ASROthers0001193125-26-255730Jun 3, 2026 9:05 PM
4710-QQuarterly & Annual Report0000909832-26-000051Jun 3, 2026 8:43 PM
48SDOthers0000909832-26-000048May 29, 2026 10:45 PM
498-KCurrent Report0000909832-26-000046May 28, 2026 8:17 PM
503Insider Transaction0000909832-26-000043May 15, 2026 10:31 PM
...

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