ERSM20197 | Employment-related securities and options: ‘interest’ in securities - ITEPA03/S420 (8)
From HM Revenue & Customs · Employment Related Securities Manual
For the purposes of Part 7 ITEPA 2003, an ‘interest’ in relation to securities means an interest in them less than full beneficial ownership and includes an interest in proceeds of their sale, but does not include a right to acquire them.