More Johnson Matthey Plc news Johnson Matthey PlcLSE: JMAT Transaction in Own Shares - Amendment Aug 23, 2024 at 5:42 PM UTC · Issued by Johnson Matthey Plc As issuedPlain English Watch Johnson Matthey explain it↗Johnson Matthey Plc (JMAT) Q4 2026 Earnings Call · Replay · May 28 The 'Transaction in Own Shares' announcement released on 23 August 2024 at 18.16 under RNS No 6663B was released in error and should be disregarded.