Why Is Costco (COST) Facing Class Action Lawsuits Over Tariff Refunds?
Published . Updated .
Costco Wholesale (NasdaqGS:COST) is facing multiple class action lawsuits over how it handled tariff-related refunds to members. Plaintiffs claim Costco passed import tariffs on to shoppers, then did not properly share later refund amounts tied to those tariffs. The litigation
Directly affected
- COST Costco Wholesale+12.7% 30d
Named in this report.
Indirectly affected
- XLI Industrial Select Sector SPDR-1.5% 30d
Industrial Select Sector SPDR: it holds companies hit by import costs and trade rules. Linked by “tariff” (tariffs and trade) in this story.
- XRT SPDR S&P Retail ETF
SPDR S&P Retail ETF: it holds companies hit by import costs and trade rules. Linked by “tariff” (tariffs and trade) in this story.
- CAT Caterpillar-23.7% 30d
Caterpillar (construction machinery and equip): importers and exporters pay or lose sales when tariffs change. Linked by “tariff” (tariffs and trade) in this story.
- DE Deere-0.9% 30d
Deere (farm machinery and equipment): importers and exporters pay or lose sales when tariffs change. Linked by “tariff” (tariffs and trade) in this story.
- WMT Walmart+14.9% 30d
Walmart (variety stores): importers and exporters pay or lose sales when tariffs change. Linked by “tariff” (tariffs and trade) in this story.
- NKE Nike+7.1% 30d
Nike (rubber and plastics footwear): importers and exporters pay or lose sales when tariffs change. Linked by “tariff” (tariffs and trade) in this story.
- AMZN Amazon.com-7.0% 30d
Amazon.com (catalog and mail-order houses): retailers move with shopper spending and import costs. Linked by “shoppers” (retail and consumer goods) in this story.
- TGT Target-2.8% 30d
Target (variety stores): retailers move with shopper spending and import costs. Linked by “shoppers” (retail and consumer goods) in this story.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| COSTNo price data for this ticker | — | — | — | — | — | — | — |
| XLINo price data for this ticker | — | — | — | — | — | — | — |
| XRTNo price data for this ticker | — | — | — | — | — | — | — |
| CATNo price data for this ticker | — | — | — | — | — | — | — |
| DENo price data for this ticker | — | — | — | — | — | — | — |
| WMTNo price data for this ticker | — | — | — | — | — | — | — |
| NKE | -2.04% | -3.94% | base | +1.54% | after close | after close | after close |
| AMZNNo price data for this ticker | — | — | — | — | — | — | — |
| TGTNo price data for this ticker | — | — | — | — | — | — | — |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
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Why Is Costco (COST) Facing Class Action Lawsuits Over Tariff Refunds? Yahoo Finance
Source: Yahoo Finance
The price since 2 Nov 2026: Select Sector Spdr Tr (XLI) versus the S&P 500
| Company | When | Move | Status |
|---|---|---|---|
| Nike (NKE) | that day | +1.54% | still updating |
| Nike (NKE) | three days earlier | -3.94% | final price |
| Nike (NKE) | five days earlier | -2.04% | final price |
Trades by members of Congress and officials in the stocks in this story
- Rep. Pete Sessions sold Costco Wholesale (COST), worth $100,001 - $250,000 on 13 Oct 2026. That is 20 days before publication. Filed 27 Oct 2026. View the filing.
- Rep. Pete Sessions sold Costco Wholesale (COST) (held by a spouse), worth $250,001 - $500,000 on 2 Oct 2026. That is 31 days before publication. Filed 27 Oct 2026. View the filing.
- Rep. Rohit Khanna bought Costco Wholesale (COST) (held by a spouse), worth $1,001 - $15,000 on 25 Sep 2026. That is 38 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Lisa McClain bought Caterpillar (CAT) (held by a spouse), worth $1,001 - $15,000 on 28 Sep 2026. That is 35 days before publication. Filed 12 Oct 2026. View the filing.
- Rep. Pete Sessions sold Walmart (WMT) (held by a spouse), worth $50,001 - $100,000 on 2 Oct 2026. That is 31 days before publication. Filed 27 Oct 2026. View the filing.
- Rep. Jonathan Jackson sold Walmart (WMT) (jointly held), worth $50,001 - $100,000 on 28 Sep 2026. That is 35 days before publication. Filed 19 Oct 2026. View the filing.
- Rep. Rohit Khanna bought Walmart (WMT) (held by a spouse), worth $1,001 - $15,000 on 25 Sep 2026. That is 38 days before publication. Filed 7 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, bought Nike (NKE), worth $15,001 - $50,000 on 28 Aug 2026. That is 66 days before publication. Filed 8 Oct 2026. View the filing.
- Rep. Gilbert Cisneros sold Nike (NKE), worth $15,001 - $50,000 on 27 Aug 2026. That is 67 days before publication. Filed 10 Sep 2026. View the filing.
- Donald J Trump, an executive branch official, sold Nike (NKE), worth $100,001 - $250,000 on 21 Aug 2026. That is 73 days before publication. Filed 8 Oct 2026. View the filing.
- Rep. Pete Sessions sold Amazon Com (AMZN), worth $15,001 - $50,000 on 27 Oct 2026. That is 6 days before publication. Filed 27 Oct 2026. View the filing.
- Rep. Pete Sessions sold Amazon Com (AMZN) (held by a spouse), worth $100,001 - $250,000 on 2 Oct 2026. That is 31 days before publication. Filed 27 Oct 2026. View the filing.
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 gains and who loses around Select Sector Spdr Tr (XLI)
Companies mentioned with this story
- XLI Select Sector Spdr Tr
Select Sector Spdr Tr (XLI) is linked, with no stored direction, medium confidence in the 2 Nov 2026 story “Why Is Costco (COST) Facing Class Action Lawsuits Over Tariff Refunds?.” Reason on file: Industrial Select Sector SPDR: it holds companies hit by import costs and trade rules. Linked by “tariff” (tariffs and trade) in this story
- XRT Spdr Series Trust
For “Why Is Costco (COST) Facing Class Action Lawsuits Over Tariff Refunds?,” Spdr Series Trust (XRT) is linked, with no stored direction, medium confidence. Reason on file: SPDR S&P Retail ETF: it holds companies hit by import costs and trade rules. Linked by “tariff” (tariffs and trade) in this story
- CAT Caterpillar
For “Why Is Costco (COST) Facing Class Action Lawsuits Over Tariff Refunds?,” Caterpillar (CAT) is linked, with no stored direction, medium confidence. Reason on file: Caterpillar (construction machinery and equip): importers and exporters pay or lose sales when tariffs change. Linked by “tariff” (tariffs and trade) in this story
- DE Deere
Deere (DE) is linked, with no stored direction, medium confidence in the 2 Nov 2026 story “Why Is Costco (COST) Facing Class Action Lawsuits Over Tariff Refunds?.” Reason on file: Deere (farm machinery and equipment): importers and exporters pay or lose sales when tariffs change. Linked by “tariff” (tariffs and trade) in this story
- WMT Walmart
In “Why Is Costco (COST) Facing Class Action Lawsuits Over Tariff Refunds?,” Walmart (WMT) is linked, with no stored direction, medium confidence. Reason on file: Walmart (variety stores): importers and exporters pay or lose sales when tariffs change. Linked by “tariff” (tariffs and trade) in this story
- NKE Nike
Nike (NKE) is linked, with no stored direction, medium confidence in the 2 Nov 2026 story “Why Is Costco (COST) Facing Class Action Lawsuits Over Tariff Refunds?.” Reason on file: Nike (rubber and plastics footwear): importers and exporters pay or lose sales when tariffs change. Linked by “tariff” (tariffs and trade) in this story
Select Sector Spdr Tr (XLI)
“Why Is Costco (COST) Facing Class Action Lawsuits Over Tariff Refunds?” (2 Nov 2026) reaches Select Sector Spdr Tr (XLI) through this story.
Select Sector Spdr Tr (XLI) is on the page because Industrial Select Sector SPDR: it holds companies hit by import costs and trade rules. Linked by “tariff” (tariffs and trade) in this story
A second company, Spdr Series Trust (XRT), is listed for a different reason: SPDR S&P Retail ETF: it holds companies hit by import costs and trade rules. Linked by “tariff” (tariffs and trade) in this story
Dates and price levels for Select Sector Spdr Tr (XLI)
CAT traded between 616.71 and 876.39 across 20 sessions. The latest close on file is 622.77. XLI traded between 163.00 and 172.33 across 20 sessions. The latest close on file is 167.42.
What the saved facts support for Select Sector Spdr Tr (XLI)
46 out of 100Price not final
“Why Is Costco (COST) Facing Class Action Lawsuits Over Tariff Refunds?” scores 46 out of 100. The score uses 1 sources, and 6 linked companies. The price is not final yet.