Pluralsight, an online learning startup for coders, has confidentially filed for an IPO (DBX)

Pluralsight, a startup that teaches programmers new coding languages, has confidentially filed for an IPO.
Pluralsight was last valued at $1 billion in a funding round from 2014.
It's the latest enterprise tech startup with its eyes on Wall Street, and its filing comes just days after Zuora , DocuSign, SmartSheet, and Pivotal filed S-1's of their own. 
 
A Utah-based startup that teaches developers new computer programming languages has confidentially filed for an initia