Company_Context
Consumer Cyclical
Retail-Variety Stores
Source: SEC SIC
MARKET_TICKER: COST
COSTCO WHOLESALE CORPInsider Trading & SEC Form 4 Analysis
Institutional analysis of internal capital flows based on SEC Form 4 filings.
Open-Market Signal
BEARISH
SOURCE: EDGAR_SYSTEMSTATUS: VERIFIED
Signal_Window
Headline metrics use exact calendar-day windows.
3 directional transactions in 180D
Code P purchases and code S sales are measured from 2026.03.02 — 2026.08.28.
Net_Flow_180D
-$2.3M
Open-market buys minus salesLatest_Form_4
2026.07.10
Latest available filingActive_Insiders_180D
6
Reporting entities in windowTop_Buyer_180D
No 180D buyer
No open-market buys in 180DTop_Seller_180D
DENMAN KENNETH D
$847.3KAutomated_Intelligence_Report :: COST
Analysis of eligible SEC Form 4 activity for COST indicates a bearish 180-day signal. The selected window contains transactions from 6 distinct reporting insiders, with aggregate nominal activity of $4.06M.
Open-market purchases minus open-market sales produce a negative net flow of $2.27M. Open-market executions represent the majority of measured nominal activity in this window, making the directional flow more representative of voluntary trading activity.
The largest open-market sale in the selected window was attributed to DENMAN KENNETH D (Director). Form 4 activity provides useful ownership context, but it should not be treated as a standalone prediction of future price performance.
Enriched_Research_Context
More context behind the filing
These indicators use normalized SEC roles, issuer metadata, cluster detection and post-filing market prices already calculated by the data pipeline.
Cluster_Activity
0
Clustered open-market purchase records in the recent filing sample.
No coordinated buying cluster detected
Post_Filing_Performance
Live Market Chart :: COST
Analyze COST with advanced technical indicators.
View on TradingView (Get $15 Off)Recent Insider Flow :: COST
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Recent_Filing_History
Inspect the underlying SEC transactions
This table shows recent filing history and is not restricted by the selected 180D headline signal window.
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Automated_Queries :: Frequently Asked Questions
>Are COST insiders selling their shares?
During the last 180 calendar days, eligible open-market sales total $2.27M. DENMAN KENNETH D recorded the largest aggregate selling volume.
>What is the overall insider sentiment for COST?
The 180-day open-market signal is BEARISH, with net flow of $2.27M across 6 reporting insiders in the selected window.
>When was the latest SEC Form 4 filed for COST?
The most recent insider transaction on record was filed on 2026.07.10. InsiderAlpha monitors EDGAR filings and updates this terminal as new Form 4 documents are published.
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