Non-ownership Filings
| Director Declaration | Feb. 27, 2026 |
| Update on Catalyst Technologies sale | Feb. 23, 2026 |
| Holding(s) in Company | Jan. 08, 2026 |
| Holding(s) in Company | Dec. 30, 2025 |
| Holding(s) in Company | Dec. 29, 2025 |
| Directorate change | Nov. 20, 2025 |
| Johnson Matthey Half Year Results | Nov. 20, 2025 |
Ownership Update Filings
| Director/PDMR Shareholding | Mar. 12, 2026 |
| Director/PDMR Shareholding | Feb. 24, 2026 |
| Director/PDMR Shareholding | Feb. 24, 2026 |
| Director/PDMR Shareholding | Feb. 23, 2026 |
| Director/PDMR Shareholding | Feb. 12, 2026 |
| Director/PDMR Shareholding | Jan. 14, 2026 |
| Director/PDMR Shareholding | Dec. 11, 2025 |