The crossed kris and kampilan are significant of the service of batteries of the regiment in the Philippines.
The Aztec symbol of the sun refers to the service of batteries of the regiment with the Punitive Expeditions in Mexico.
The distinctive unit insignia was originally approved for the 4th Field Artillery Regiment on 29 September 1923.
The insignia was reinstated and redesignated for the 4th Field Artillery Regiment effective 1 September 1971.
This article incorporates public domain material from 4th Field Artillery Regiment.