Stock research log
$COST Insider Trading
Costco Wholesale Corporation
4
Alerts Listed
0
Insider Buys 30d
1
Insider Sells 30d
This page is InsiderWatch’s research log for COST: the alerts we sent on this stock, timestamped, plus recent insider buying and selling reported to the SEC on Form 4.
Price and Our Alerts
$COST price
Daily closing prices
3M change
+11.2%
1Y high
$1,094
1Y low
$850.00
Our alerts
4
in this window
Prices from public market data and may be delayed. Markers show the days our alerts on this stock fired. Not investment advice.
Our Alerts on $COST
| Sent (ET) | Call | Alert |
|---|---|---|
| Oct 9, 12:33 PM | NEUTRAL | Costco US comparable sales jump 12.5% in September |
| Sep 24, 4:29 PM | NEUTRAL | Costco Q4 sales rise 11% to $93.9 billion |
| Sep 4, 11:44 AM | NEUTRAL | Costco August sales climb 9.9% on digital strength |
| Sep 2, 4:26 PM | NEUTRAL | Costco August sales up 9.9% year over year |
Every alert we sent on COST is listed after a short delay, in the order it went out. The call shown is the one in the alert as sent.
Recent Insider Activity
Open-market buys and sells in COST by the company’s own officers, directors, and large holders, as reported to the SEC on Form 4 in roughly the last 30 days. New to the filing? Read what a Form 4 is and what the transaction codes mean.
Daily buy vs sell dollars
Open-market insider filings that passed the significance gates, last 30 days
Bought
$0
30 days
Sold
$1.1M
30 days
Net flow
-$1.1M
selling leads
Active days
1
with gated filings
| Filed (ET) | Insider | Action | Value |
|---|---|---|---|
| Oct 14 | Wilcox William RichardExecutive Vice President | SELL | $1.1M |
| Sep 30 | Frates CatonSr. Executive Vice President | SELL | $733k |
| Sep 30 | Adamo ClaudineExecutive Vice President | SELL | $2.0M |
Sourced from public SEC Form 4 filings. Buys shown are open-market purchases; routine grants and plan sales are filtered out before a trade reaches this log.
Congress Trading in $COST
Members of Congress who disclosed trades in COST under the STOCK Act since we began tracking. Each name links to that member’s full page. Amounts are the disclosed ranges (see how the ranges work) and filings can arrive up to 45 days after the trade.
| Member | Action | Amount |
|---|---|---|
| Pete SessionsHouse | SELL | $250,001 - $500,000 |
| Pete SessionsHouse | SELL | $100,001 - $250,000 |
| Richard W. AllenHouse | SELL | $1,001 - $15,000 |
| Gilbert CisnerosHouse | BUY | $1,001 - $15,000 |
| Gilbert CisnerosHouse | SELL | $1,001 - $15,000 |
Disclosed amounts are ranges. Filing and trade dates, who in the household traded, and full histories are part of the subscriber dashboard.
See the research log across all stocks, this week’s insider buying, or the congress trading tracker.
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Try Free for 7 DaysInsiderWatch is an informational research service based on publicly available information only and is not financial, investment, legal, or tax advice. The call shown is a reading of the event, not a recommendation to trade.