8-K - COSTCO WHOLESALE CORP /NEW (0000909832) (Filer)
Published . Updated .
Filed: 2026-10-14 AccNo: 0000909832-26-000096 Size: 159 KB Item 8.01: Other Events Item 9.01: Financial Statements and Exhibits
Directly affected
- COST Costco Wholesale Corp /New
Named in this report.
Indirectly affected
- SPY SPDR S&P 500
The broad U.S. stock market
- TLT iShares 20+ Year Treasury Bond
Long-term U.S. government bonds
- QQQ Invesco QQQ
Large technology stocks
- GLD SPDR Gold Shares
Gold can move with the broad market
Price reaction, T-5 to T+3
Filed: 2026-10-14 AccNo: 0000909832-26-000096 Size: 159 KB Item 8.01: Other Events Item 9.01: Financial Statements and Exhibits
Source: sec-edgar
Costco Wholesale Corp /New (COST)
Those 6 earlier stories put Costco Wholesale Corp /New (COST) at an average move of +2.15% the next day. Largest gain +2.44%, largest drop +0.82%, from 6 prices.
| Company | When | Average | Largest gain | Largest drop | Prices |
|---|---|---|---|---|---|
| Costco Wholesale Corp /New (COST) | the next day | +2.15% | +2.44% | +0.82% | 6 |
| Costco Wholesale Corp /New (COST) | three days later | +3.53% | +4.28% | +3.11% | 6 |
- Costco Wholesale Corporation $COST Shares Bought by Perpetual Ltd
- Costco Wholesale Corporation $COST Shares Purchased by Copeland Capital Management LLC
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How far Costco Wholesale Corp /New (COST) has moved since 14 Oct 2026
Since the first closing price after “8-K - COSTCO WHOLESALE CORP /NEW (0000909832) (Filer),” Costco Wholesale Corp /New (COST) is +1.83%. The S&P 500 fund (SPY) is -0.67% over the same days, a +2.50% difference versus the market.
| Company | When | Move | Status |
|---|---|---|---|
| Costco Wholesale Corp /New (COST) | that day | -0.46% | final price |
| Costco Wholesale Corp /New (COST) | the next day | +0.71% | final price |
| Costco Wholesale Corp /New (COST) | two days later | +1.38% | final price |
| Costco Wholesale Corp /New (COST) | three days later | +1.51% | still updating |
| Costco Wholesale Corp /New (COST) | three days earlier | -2.33% | final price |
| Costco Wholesale Corp /New (COST) | five days earlier | -3.53% | final price |
| GLD | that day | +1.78% | final price |
| GLD | the next day | +1.61% | final price |
| GLD | two days later | +0.98% | final price |
| GLD | three days later | +0.61% | still updating |
| GLD | three days earlier | +1.65% | final price |
| GLD | five days earlier | +0.71% | final price |
| QQQ | that day | -0.11% | final price |
| QQQ | the next day | -2.63% | final price |
| QQQ | two days later | -1.46% | final price |
| QQQ | three days later | -1.78% | still updating |
| QQQ | three days earlier | +2.33% | final price |
| QQQ | five days earlier | +2.54% | final price |
| SPY | that day | +0.28% | final price |
| SPY | the next day | -0.82% | final price |
| SPY | two days later | -0.40% | final price |
| SPY | three days later | -0.22% | still updating |
| SPY | three days earlier | +1.09% | final price |
| SPY | five days earlier | +0.55% | final price |
| TLT | that day | +1.41% | final price |
| TLT | the next day | +1.46% | final price |
| TLT | two days later | +0.74% | final price |
| TLT | three days later | +1.57% | still updating |
| TLT | three days earlier | -1.08% | final price |
| TLT | five days earlier | -1.29% | final price |
Official trades in Costco Wholesale Corp /New (COST) around 14 Oct 2026
- Rohit Khanna buy Costco Wholesale Corp /New (COST) ($1,001 - $15,000). That is 19 days before publication, inside 30 days. The filing is listed beside the story “8-K - COSTCO WHOLESALE CORP /NEW (0000909832) (Filer).”
- Richard W. Allen sell Costco Wholesale Corp /New (COST) ($1,001 - $15,000). That is 26 days before publication, inside 30 days. The filing is listed beside the story “8-K - COSTCO WHOLESALE CORP /NEW (0000909832) (Filer).”
- Rohit Khanna buy Costco Wholesale Corp /New (COST) ($1,001 - $15,000). That is 33 days before publication, inside 60 days. The filing is listed beside the story “8-K - COSTCO WHOLESALE CORP /NEW (0000909832) (Filer).”
- Rohit Khanna sell Costco Wholesale Corp /New (COST) ($1,001 - $15,000). That is 40 days before publication, inside 60 days. The filing is listed beside the story “8-K - COSTCO WHOLESALE CORP /NEW (0000909832) (Filer).”
- Rohit Khanna buy Costco Wholesale Corp /New (COST) ($1,001 - $15,000). That is 51 days before publication, inside 60 days. The filing is listed beside the story “8-K - COSTCO WHOLESALE CORP /NEW (0000909832) (Filer).”
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
Who is named in “8-K - COSTCO WHOLESALE CORP /NEW (0000909832) (Filer)”
Companies carried with this story
- COST Costco Wholesale Corp /New
For “8-K - COSTCO WHOLESALE CORP /NEW (0000909832) (Filer),” Costco Wholesale Corp /New (COST) is linked, with no stored direction, high confidence. Reason on file: SEC 8-K filing -> direct issuer disclosure -> COST
How “8-K - COSTCO WHOLESALE CORP /NEW (0000909832) (Filer)” reaches Costco Wholesale Corp /New (COST)
On 14 Oct 2026, “8-K - COSTCO WHOLESALE CORP /NEW (0000909832) (Filer)” is the story that connects Costco Wholesale Corp /New (COST) to this story.
Costco Wholesale Corp /New (COST) is on the page because SEC 8-K filing -> direct issuer disclosure -> COST
Dates and price levels for Costco Wholesale Corp /New (COST)
COST traded between 883.78 and 1008.00 across 20 sessions. The latest close on file is 995.74.
A simple score for Costco Wholesale Corp /New (COST)
23 out of 100Price not final
“8-K - COSTCO WHOLESALE CORP /NEW (0000909832) (Filer)” scores 23 out of 100. The score uses 1 sources, a +1.53% difference versus the S&P 500 (SPY), and 1 linked companies. The price is not final yet.