G4S Plcの内部者の所有権は3.51%です。
管理の所有権(Insider Ownership)は、発行済株式総数で除したインサイダー（5％超を所有する株主または取締役または役員) が所有する株式総数によって計算されます。
A high value of insider ownership means that those working for the company have a large stake in the success of the company. This is sometimes seen as a sign that those running the company will work hard to ensure its success or believe the company's stock price will rise.
A change in insider ownership may come from exercise of option, stock grant and buying or selling of company shares. A purchase of company share signifies a confidence in the company's future performance by people who know the company best. Therefore, Net Insider buying is also an important indicator for investors.
G4S plc, together with its subsidiaries, provides security and related services in Africa, the Americas, Asia, Europe, and the Middle East. The company offers software tools, including evidence based risk assessment, incident management, and travel advisory systems, such as RISK360; and proprietary security systems comprising symmetry connect access control and visitor management systems. It also provides custody, detention, rehabilitation, and care services; automated cash solutions for retailers, automated bulk-teller solution for banks, and mobile banking services, as well as G4S Pay, a retail cash solution; and security advice, risk mitigation strategies, secure support, and integrated solutions. The company serves corporates and industrials, government, financial institutions, private energy/utilities, and ports and airports, as well as the retail, transport and logistics, and leisure and tourism sectors. G4S plc was founded in 1901 and is based in London, the United Kingdom.