The fourth meeting, with the participation of senior representatives from Iran, Pakistan, Turkey and Saudi Arabia, began in Tehran and was chaired by the Secretary of the National Security Council of Iran, Mohsin Rizaei. The meeting was also attended by Pakistan's Chief of General Staff Asim Munir, Saudi Arabia's Defense Minister Khalid bin Salman and the head of the Turkish Intelligence Service (TIS) Ibrahim Kalin.

The fourth meeting, with the participation of senior representatives from Iran, Pakistan, Turkey and Saudi Arabia, began in Tehran and was chaired by the Secretary of the National Security Council of Iran, Mohsin Rizaei. The meeting was also attended by Pakistan's Chief of General Staff Asim Munir, Saudi Arabia's Defense Minister Khalid bin Salman and the head of the Turkish Intelligence Service (TIS) Ibrahim Kalin.