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§ COMPANY · COST

COST SEC filings: Smart Summaries & insider activity (2026)

Smart Summaries of every COSTCO WHOLESALE CORP /NEW 10-K, 10-Q, 8-K, and Form 4. Updated as each filing hits EDGAR.

Latest filing
June 29, 2026
Last price
$947.50 -0.29%
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§ FILINGS BY FORM

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§ FILINGS

What did COST file recently?

The 25 most recent SEC filings for COSTCO WHOLESALE CORP /NEW. Click any row with a Smart Summary to read it. New here? Learn how to read a 10-Q or what Form 4 codes mean.

11-K$COST
11-K Filing
4$COST
S
$847K@ $957.45

Denman Kenneth D · Director

144$COST
144 Filing
144$COST
144 Filing
144$COST
144 Filing
S-3ASR$COST
S-3ASR Filing
10-Q$COSTSmart Summary
10-Q Filing
Comparable sales growth drives profitability gains
Read summary of 10-Q for COST
SD$COST
SD Filing
8-K$COSTSmart Summary
8-K Filing
Q2 2026 earnings results
Read summary of 8-K for COST
3/A$COST
SCHEDULE 13G$COST
SCHEDULE 13G Filing
8-K$COST
8-K Filing
144$COST
144 Filing
4$COST
S
$695K@ $993.00

Frates Caton · Executive Vice President

SCHEDULE 13G/A$COST
SCHEDULE 13G/A Filing
4$COST
I

George Sarah Catherine · Executive Vice President

4$COST
F
Tax 1K ($1.1M)

Millerchip Gary · Executive Vice President

4$COST
S
$732K@ $1003.02

Adamo Claudine · Executive Vice President

3$COST
10-Q$COST
10-Q Filing
144$COST
144 Filing
8-K$COST
8-K Filing
Q1 2026 earnings results
4$COST
G
Gift 5K

Raikes Jeffrey S · Director

4$COST
G
Gift 300

Jones Teresa A. · Executive Vice President

4$COST
S
$838K@ $986.26

Jones Teresa A. · Executive Vice President

§ FAQ

Frequently asked about COST

When did $COST last file a 10-K?
$COST most recently filed a 10-K on October 8, 2025.
When did $COST last file a 10-Q?
$COST most recently filed a 10-Q on June 3, 2026.
Have $COST insiders bought shares in the last 30 days?
No — zero insider purchases (Form 4, code P) have been reported for $COST in the last 30 days.
How many 8-Ks has $COST filed in the last year?
$COST has filed 10 8-Ks in the last year.
How many filings has $COST made in the last year?
$COST has made 94 SEC filings in the last year.

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