S.A. Mason LLC's ownership history for MPC

S.A. Mason LLC currently holds 1.1K shares with a market value of $184.9K. It started holding MPC on 2025-09-30. At its peak, it held 1.1K shares on 2025-12-31. Its highest holding value was $184.9K on 2025-12-31. At its lowest, it held 935 shares on 2025-09-30, with a value of $180.2K on 2025-09-30.