The "Stoic Fragment Anonymous" is not a single author but a collection of philosophical excerpts attributed to an unknown Stoic thinker. The material within it dates from the early Stoic school, founded in the 3rd century BCE, though the collection itself was likely compiled later, possibly during the Roman era when Stoicism was widely influential.

This work belongs to the Stoic philosophical tradition. It is not a complete book but a series of fragments, meaning its contents are preserved only through quotations in the works of later writers or in anthologies. As such, there is no biographical information about a specific author.

The collection's importance lies in its content. It serves as a valuable source for understanding early Stoic doctrines. Since most original writings from the early Stoic philosophers are lost, such anonymous collections of fragments help scholars reconstruct the school's ideas on logic, physics, and ethics. According to modern scholars, these fragments provide crucial insight into the technical arguments and specialized terminology that defined Stoic thought, illustrating how these teachings were preserved and transmitted over centuries.