March 27, 2026 · STOCK Act disclosure
Senator Alan Armstrong (Republican-OK) sold Mastercard Incorporated, a stock transaction, valued at $15,001 - $50,000. The trade took place on March 27, 2026 and was disclosed on July 21, 2026 (owner: Self). Members of Congress must report such transactions within 45 days under the STOCK Act.
Mastercard Incorporated Common Stock