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COSTCO WHOLESALE CORP /NEW — DEFA14A Filings

17 DEFA14A filings on record

This page lists all DEFA14A filings submitted to the SEC by COSTCO WHOLESALE CORP /NEW (COST), sorted by most recent first. Each row links to the full filing on EdgarLookup. COSTCO WHOLESALE CORP /NEW has filed 17 DEFA14A documents with the SEC since 2016. To view all SEC filings by COSTCO WHOLESALE CORP /NEW, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-K405 10-Q 10-Q/A 11-K 144 144/A 15-12G 3 3/A 4 4/A 424B1 424B3 424B5 5 5/A 8-K 8-K/A ARS CORRESP CT ORDER DEF 14A DEFA14A FWP IRANNOTICE NO ACT POS AM PRE 14A PREC14A PREN14A PRRN14A PX14A6G S-3 S-3/A S-3ASR S-3DPOS S-8 S-8 POS SC 13D SC 13D/A SC 13E4 SC 13E4/A SC 13G SC 13G/A SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
DEFA14A DEFA14A 0000909832-25-000160 Dec 4, 2025
DEFA14A DEFA14A 0000909832-24-000073 Dec 11, 2024
DEFA14A DEFA14A 0000909832-23-000059 Dec 7, 2023
DEFA14A DEFA14A 0000909832-22-000025 Dec 6, 2022
DEFA14A DEFA14A 0001193125-22-008659 Jan 13, 2022
DEFA14A DEFA14A 0000909832-21-000019 Dec 10, 2021
DEFA14A DEFA14A 0000909832-20-000022 Dec 10, 2020
DEFA14A ADDITIONAL DEFINITIVE PROXY SOLICITING 0000909832-19-000028 Dec 10, 2019
DEFA14A DEFA14A 0000909832-18-000019 Dec 17, 2018
DEFA14A DEFA14A 0000909832-17-000019 Dec 15, 2017
DEFA14A DEFA14A 0000909832-16-000038 Dec 16, 2016
DEFA14A DEFA14A 0000909832-15-000021 Dec 18, 2015
DEFA14A DEFA14A 0000909832-14-000030 Dec 19, 2014
DEFA14A DEFA14A 0001193125-14-017934 Jan 23, 2014
DEFA14A DEFA14A 0000909832-13-000009 Dec 18, 2013
DEFA14A DEFINITIVE ADDITIONAL MATERIALS 0001193125-12-501887 Dec 13, 2012
DEFA14A DEFINITIVE ADDITIONAL MATERIALS 0001193125-11-344124 Dec 16, 2011