Costco (COST): Sen. John Boozman disclosed a purchase $1K–$15K

$1,001–$15,000

Reported range · official band, not an exact amount

37 days

Disclosure lag

Traded

Oct 9, 2025

Disclosed

Nov 15, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Mar 15, 2023CongressDisclosed purchase of COST — reported range $1,001 - $15,000
2. Oct 29, 2024CongressDisclosed purchase of COST — reported range $1,001 - $15,000
3. Dec 11, 2024CongressDisclosed purchase of COST — reported range $1,001 - $15,000
4. Jun 9, 2025CongressDisclosed partial sale of COST — reported range $1,001 - $15,000
5. Jun 17, 2025CongressDisclosed purchase of COST — reported range $1,001 - $15,000
6. Jul 10, 2025CongressDisclosed sale of COST — reported range $1,001 - $15,000
7. Aug 20, 2025InsiderOfficer sold ~$595K of COST shares in the open market
8. Sep 23, 2025Congress · 1 personMembers of Congress: 2 sales
9. Sep 25, 2025Company filing · Form 8-K · ResultsReported its results
10. Sep 29, 2025InsiderOfficer sold ~$1.4M of COST shares in the open market
11. Oct 9, 2025 · this disclosureCongressDisclosed purchase of COST — reported range $1,001 - $15,000

What came next

1. Oct 14, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On October 14, 2025, the Compensation Committee of the Board of Directors approved the fiscal 2026 criteria for bonuses to executive officers, with the Nominating and Governance Committee of the Board also approving the environmental and social performance criteria.”
2. Oct 17, 2025Congress · 2 peopleMembers of Congress: 1 purchase, 1 sale
3. Oct 24, 2025Insider · 2 peopleInsiders: 2 sales (~$3.7M)
4. Nov 5, 2025CongressDisclosed purchase of COST — reported range $1,001 - $15,000
5. Nov 7, 2025FDARecall: Costco Item# 11444 Kirkland Signature Chicken Sandwich with Caesar Salad, refrigerated, packaged in clear plastic clamshell container. The net weight varies as…
6. Nov 7, 2025FDARecall: Costco Item# 19927 Kirkland Signature Caesar Salad, refrigerated, packaged in clear plastic clamshell container. The net weight varies as it is sold by weight.…
7. Nov 7, 2025InsiderOfficer sold ~$2.23M of COST shares in the open market
8. Dec 11, 2025Company filing · Form 8-K · ResultsReported its results
9. Dec 24, 2025CongressDisclosed partial sale of COST — reported range $1,001 - $15,000
10. Dec 29, 2025InsiderOfficer sold ~$1.78M of COST shares in the open market
11. Dec 29, 2025CongressDisclosed purchase of COST — reported range $15,001 - $50,000
12. Dec 30, 2025InsiderOfficer sold ~$482K of COST shares in the open market
13. Jan 9, 2026InsiderOfficer sold ~$1.37M of COST shares in the open market
14. Jan 14, 2026InsiderOfficer sold ~$1.41M of COST shares in the open market
15. Jan 16, 2026InsiderDirector sold ~$437K of COST shares in the open market
16. Jan 21, 2026InsiderOfficer sold ~$838K of COST shares in the open market
17. Jan 31, 2026FDARecall: Kirkland Signature Costco item #1181272 Mini Beignets filled with Caramel 22CT. UPC 000011 812722. Product is packaged in a clear clamshell container. ALLERGEN…

How to read Senate eFD periodic transaction report

The STOCK Act is a 2012 US law that requires members of Congress, and some senior staff, to publicly report their stock trades, and those of their spouse and dependent children, within 45 days.

Full guide: What is the STOCK Act?

What else is on file for Costco

For Costco, OQRO holds 6 insider filings (SEC Form 4 or Form 144), 2 Congress trade reports and 106 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its COST page.

Other recent filings by Sen. John Boozman

• Senate eFD periodic transaction report at Aptiv (APTV)Oct 21, 2026
• Senate eFD periodic transaction report at Micron (MU)Oct 21, 2026
• Senate eFD periodic transaction report at Micron (MU)Oct 21, 2026
• Senate eFD periodic transaction report at Cisco (CSCO)Oct 21, 2026
• Senate eFD periodic transaction report at Realty Income (O)Oct 21, 2026

The full history of Sen. John Boozman is on the profile page.

How this filing works

• The STOCK Act

Other disclosures at Costco

• House Clerk periodic transaction reportOct 14, 2026
• SEC Form 4Oct 14, 2026
• SEC Form 144Oct 13, 2026
• SEC Form 4Sep 30, 2026
• SEC Form 4Sep 30, 2026
• SEC Form 144Sep 29, 2026

Everything OQRO holds on this company is on its COST page.