| Date | Event | Region |
| Friday, October 2, 1981 | Appointment as Director | Leeds |
| Wednesday, October 1, 1997 | Appointment as Director | Leeds |
| Thursday, July 15, 1999 | Appointment as Director | Sheffield |
| Monday, July 19, 1999 | Appointment as Secretary | Sheffield |
| Friday, January 21, 2000 | Appointment as Secretary | Sheffield |
| Friday, August 24, 2001 | Appointment as Director | Sheffield |
| Thursday, July 25, 2002 | Resignation as Director | Leeds |
| Friday, October 2, 2009 | Resignation as Director | Leeds |
| Monday, July 13, 2015 | Appointment as Director | Sheffield |
| Wednesday, April 6, 2016 | Appointment as Individual or entity with right to appoint and remove directors,Individual or entity with more than 75% of voting rights,Shareholder (above 75%),Individual or entity with 25-50% of voting rights,Shareholder (25-50%),Individual or entity with 50-75% of voting rights and Shareholder (50-75%) | Sheffield |
| Friday, December 18, 2020 | Resignation as Shareholder (50-75%),Individual or entity with 50-75% of voting rights and Individual or entity with right to appoint and remove directors | Sheffield |
| Thursday, January 11, 2024 | Resignation as Shareholder (50-75%),Individual or entity with 50-75% of voting rights and Individual or entity with right to appoint and remove directors | Sheffield |
