WAVEMAN · COMPANY

COST · Costco Wholesale Corp /New

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TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475

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COST

Name: COSTCO WHOLESALE CORP /NEW (COST) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

COSTCO WHOLESALE CORP /NEW

WHOLESALE & RETAIL · RETAIL-VARIETY STORES · CIK 0000909832

CONGRESS · 3FORM 144 · 1☆ WATCH

INSIDER NET · 180D

-$1.5M

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

1,929

13F, latest reported quarter

REVENUE GROWTH

+8.2%

XBRL, annual

NET MARGIN

2.9%

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$1.5M over 180 days

-$847.3K over 90 days

below 55% of Wholesale & Retail

CONGRESS

3 members bought in the last year

more than 89% of Wholesale & Retail

FUNDS

1,929 funds added or opened last quarter

more than 99% of Wholesale & Retail

REVENUE

+8.2% year over year

more than 68% of Wholesale & Retail

MARGIN

2.9% net margin

more than 64% of Wholesale & Retail

BUYBACKS

$603.0M repurchased, FY to 2026-05-10

more than 91% of Wholesale & Retail

SHORT

1.7% of shares outstanding short · 3.8 days to cover · settled 2026-07-31

below 60% of Wholesale & Retail

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

1,929 funds added or opened positions in the latest 13F quarter, of 4,244 holders.

3 members of Congress reported buying it this year.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN -1.9%

-1.9%12M

INSIDER SELLFORM 144

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

Insiders have filed to sell — before selling.

The record shows a net $1.5M sold by insiders over 180 days, 1,929 funds added last quarter, 3 Congress member(s) bought in 12 months, $847.3K in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

CVNA WMT AMZN SNX RVLV W AZO PSMT WLFC TDUP URBN TTSH

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, COSTCO WHOLESALE CORP /NEW insiders sold a net $1.5M of stock across 97 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-06.

INSIDER

FILED

VALUE

DENMAN KENNETH D

Director

SELL

2026-06-23

885.0

$847.3K

Frates Caton

Executive Vice President

SELL

2026-04-01

700.0

$695.1K

Adamo Claudine

Executive Vice President

SELL

2026-03-09

730.0

$732.2K

Jones Teresa A.

Executive Vice President

SELL

2026-01-21

850.0

$838.3K

DECKER SUSAN L

Director

SELL

2026-01-16

458.0

$437.4K

97 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 92 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

BlackRock, Inc.

34,202,834.0 sh

$32.0B

VANGUARD CAPITAL MANAGEMENT LLC

28,976,605.0 sh

$27.1B

STATE STREET CORP

18,384,951.0 sh

$17.2B

Invesco Ltd.

13,989,137.0 sh

$13.1B

GEODE CAPITAL MANAGEMENT, LLC

10,627,472.0 sh

$9.9B

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

Planned sales · Form 144

Filed before the sale — intent, not a trade

DENMAN KENNETH D

FILED 2026-06-23

$847.3K

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

JNL/Mellon Consumer Staples Sector Fund

$67.9M POSITION · AS OF 2026-03-31

14.6%

Global X PureCap MSCI Consumer Staples ETF

$7.0M POSITION · AS OF 2026-02-28

13.9%

Fidelity MSCI Consumer Staples Index ETF

$176.0M POSITION · AS OF 2026-04-30

12.2%

VANGUARD CONSUMER STAPLES INDEX FUND

$1.2B POSITION · AS OF 2026-02-28

11.8%

Roundhill COST WeeklyPay ETF

$1.5M POSITION · AS OF 2026-03-31

10.9%

State Street(R) Consumer Staples Select Sector SPDR(R) ETF

$1.5B POSITION · AS OF 2026-03-31

9.6%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Executive pay vs shareholder return · Ron M. Vachris

DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself

CEO TOTAL

ACTUALLY PAID

OTHER NEOs AVG

TSR

PEER TSR

2025

$13.9M

$15.6M

$6.3M

+194%

+73%

TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-08	2024-09	2023-09	2022-08
REVENUE	$275.2B	$254.5B	$242.3B	$227.0B
OPERATING INCOME	$10.4B	$9.3B	$8.1B	$7.8B
NET INCOME	$8.1B	$7.4B	$6.3B	$5.8B
EPS (DILUTED)	18.21	16.56	14.16	13.14
OPERATING CASH FLOW	$13.3B	$11.3B	$11.1B	$7.4B
CASH	$14.2B	$9.9B	$13.7B	$10.2B
LONG-TERM DEBT	$5.7B	$5.8B	$5.4B	$6.5B
BUYBACKS	$903.0M	$700.0M	$676.0M	$439.0M
DIVIDENDS PAID	$2.2B	$9.0B	$1.3B	$1.5B

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-06 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE