Mastercard (MA)Sen. Alan Armstrong disclosed a sale $15K–$50K

$15,001–$50,000

Reported range · official band, not an exact amount

116 days

Disclosure lag

Traded

Mar 27, 2026

Disclosed

Jul 21, 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. Jan 29, 2026Company filing · Form 8-K · ResultsReported its results
2. Feb 2, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On February 2, 2026, the Human Resources and Compensation Committee of the Board of Directors of Mastercard Incorporated (the “Company”) approved the following adjustments to the base salary and target annual incentive bonus opportunity for the Named Executive Officers listed below, effective as of March 1, 2026: Named Executive Officer Current Base Salary New Base Salary 2025 Target Annual Incentive Bonus…”
3. Feb 23, 2026Insider · 1 personInsiders: 22 sales (~$2.3M)
4. Feb 23, 2026CongressDisclosed partial sale of MA — reported range $1,001 - $15,000
5. Feb 24, 2026InsiderOfficer sold ~$2.22M of MA shares in the open market
6. Mar 27, 2026 · this disclosureCongressDisclosed sale of MA — reported range $15,001 - $50,000

What came next

1. Mar 27, 20265% stakeThe Vanguard Group reported a passive stake (13G)
2. Mar 28, 2026CongressDisclosed purchase of MA — reported range $1,001 - $15,000
3. Apr 16, 20265% stakeMastercard Foundation Asset Management Corp reported a passive stake (13G) of 7.4%
4. Apr 30, 2026Company filing · Form 8-K · ResultsReported its results
5. Apr 30, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 6.8%
6. May 5, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On May 7, 2026, Mastercard Incorporated (“Mastercard” or the “Company”) announced that Sandra Arkell, the Company’s Corporate Controller and principal accounting officer, will assume the role of Mastercard’s Chief Audit Executive effective August 3, 2026, at which time she will step down from her current role.”
7. May 29, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On June 2, 2026, Mastercard Incorporated (“Mastercard” or the “Company”) announced the following leadership changes, each effective as of August 3, 2026 (the "Effective Date"): Chief Business Officer Sachin Mehra, age 55, the Company’s Chief Financial Officer, will assume the role of Chief Business Officer.”
8. Jun 5, 2026CongressDisclosed partial sale of MA — reported range $1,001 - $15,000
9. Jun 8, 2026CongressDisclosed sale of MA — reported range $15,001 - $50,000
10. Jul 1, 2026Insider · 2 peopleInsiders: 2 sales (~$10.0M)
11. Jul 2, 2026InsiderOfficer sold ~$1.05M of MA shares in the open market
12. Jul 6, 2026InsiderOfficer sold ~$108K of MA shares in the open market
13. Jul 7, 2026InsiderOfficer sold ~$108K of MA shares in the open market
14. Jul 14, 2026InsiderOfficer sold ~$108K of MA shares in the open market
15. Jul 15, 2026Insider · 2 peopleInsiders: 9 sales (~$10.7M)

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 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.

Other recent filings by Sen. Alan Armstrong

• Senate eFD periodic transaction report at Williams Companies (WMB)Sep 17, 2026
• Senate eFD periodic transaction report at Williams Companies (WMB)Sep 17, 2026
• Senate eFD periodic transaction report at KKR & Co. (KKR)Jul 21, 2026
• Senate eFD periodic transaction report at Globe Life (GL)Jul 21, 2026
• Senate eFD periodic transaction report at Copart (CPRT)Jul 21, 2026

The full history of Sen. Alan Armstrong is on the profile page.

How this filing works

• The STOCK Act

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.