Costco (COST): Director sold ~$847K

~$847K

Approx. value · 885 sh @ $957.45

4,778.94

Holds after · shares reported

Traded

Jun 23, 2026

Filed

Jun 25, 2026

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 27, 2026CongressDisclosed purchase of COST — reported range $1,001 - $15,000
2. Apr 29, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.5%
3. May 28, 2026Company filing · Form 8-K · ResultsReported its results
4. Jun 23, 2026 · this disclosureInsiderDirector sold ~$847K of COST shares in the open market

What came next

1. Jul 10, 2026CongressDisclosed purchase of COST — reported range $1,001 - $15,000
2. Jul 30, 2026CongressDisclosed sale of COST — reported range $1,001 - $15,000
3. Sep 18, 2026CongressDisclosed sale of COST — reported range $1,001 - $15,000
4. Sep 24, 2026Company filing · Form 8-K · ResultsReported its results
5. Sep 29, 2026Insider · 2 peopleInsiders: 2 sales (~$2.7M)
6. Oct 13, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On October 13, 2026, the Compensation Committee of the Board of Directors approved the fiscal 2027 criteria for bonuses to executive officers, with the Nominating and Governance Committee of the Board also approving the environmental and social performance criteria.”
7. Oct 13, 2026InsiderOfficer sold ~$1.05M of COST shares in the open market

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

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 Kenneth D Denman, Director

• SEC Form 4 at Quantinuum (QNT)Jun 9, 2026
• SEC Form 4 at Motorola Solutions (MSI)Feb 27, 2026
• SEC Form 4 at Motorola Solutions (MSI)Feb 21, 2025

The full history of Kenneth D Denman, Director is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

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.