Mastercard (MA)OpenArc Corporate Advisory, LLC added to its stake +2,184 shares

42K

Shares reported · +2,184 vs prior quarter

0.26%

Disclosed portfolio weight

$21.7M

Reported value

Holdings as of

Jun 30, 2026

Filed

Aug 5, 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. Apr 15, 2025CongressDisclosed partial sale of MA — reported range $15,001 - $50,000
2. Mar 27, 2026CongressDisclosed sale of MA — reported range $15,001 - $50,000
3. Jun 5, 2026CongressDisclosed partial sale of MA — reported range $1,001 - $15,000
4. Jun 8, 2026CongressDisclosed sale of MA — reported range $15,001 - $50,000
5. Jul 1, 2026Insider · 2 peopleInsiders: 2 sales (~$10.0M)
6. Jul 2, 2026InsiderOfficer sold ~$1.05M of MA shares in the open market
7. Jul 6, 2026InsiderOfficer sold ~$108K of MA shares in the open market
8. Jul 7, 2026InsiderOfficer sold ~$108K of MA shares in the open market
9. Jul 14, 2026InsiderOfficer sold ~$108K of MA shares in the open market
10. Jul 15, 2026Insider · 2 peopleInsiders: 9 sales (~$10.7M)
11. Jul 30, 2026Company filing · Form 8-K · ResultsReported its results
12. Jul 31, 2026InsiderCEO sold ~$9.44M of MA shares in the open market
13. Aug 3, 2026InsiderCEO sold ~$9.64M of MA shares in the open market
14. Aug 4, 2026Insider · 1 personInsiders: 8 sales (~$2.4M)
15. Aug 5, 2026Insider · 2 peopleInsiders: 8 sales (~$10.6M)

What came next

1. Aug 17, 2026InsiderOfficer sold ~$673K of MA shares in the open market
2. Aug 19, 2026Insider · 1 personInsiders: 10 sales (~$4.3M)
3. Aug 20, 2026InsiderOfficer sold ~$572K of MA shares in the open market
4. Aug 31, 2026InsiderOfficer sold ~$548K of MA shares in the open market
5. Sep 2, 2026InsiderOfficer sold ~$1.91M of MA shares in the open market

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Mastercard

For Mastercard, OQRO holds 55 insider filings (SEC Form 4 or Form 144), 3 Congress trade reports and 156 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 MA page.

How this filing works

• SEC Form 13F

Other disclosures at Mastercard

• SEC Form 144Oct 9, 2026
• SEC Form 4Sep 3, 2026
• SEC Form 144Sep 2, 2026
• SEC Form 4Sep 1, 2026
• SEC Form 144Aug 31, 2026
• SEC Form 144Aug 25, 2026

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