Summary by Moomoo AI
Stephen Mayo, associated with Merck & Co., Inc. [MRK], executed a transaction involving the company's common stock on May 31, 2024. Following the transaction, Mayo directly holds a total of 100 shares of Merck & Co. The nature of the shares is direct, indicating personal ownership. The transaction details, including the number of shares involved and the transaction price, were not disclosed in the announcement.