Ann: Off market share trade, page-25

“Proprietary’The ‘Pty’ or ‘proprietary’ in ‘proprietary limited’ means that as a business structure, a limited number of shareholders own the shares in the company. In addition, the company cannot offer its shares to the general public. This is in contrast to public companies which end with the abbreviation ‘Ltd’. An unlimited number of shareholders can own shares in a public company and the company can offer its shares to the general public. If it is a listed company on the Australian Stock Exchange (ASX), you can buy and sell its shares. Private companies are more limited in their ability to raise capital as they are unable to sell an unlimited amount of shares to raise money. However, public companies face stricter regulations, including significant accounting and reporting obligations put in place to protect the public.”

If it were a private company, its name would contain Pty or Proprietary,
which basically means “private”. As indicated by sub1, it is a listed Public Company.