Other insiders active in the same stocks
Insiders who have reported open-market trades at the same companies as Fierro A. Carlos. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Deric D. Bryant - $1.48M in CHX purchases and sales on record
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Fierro A. Carlos?
Fierro A. Carlos is a corporate insider of ChampionX Corp (CHX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Fierro A. Carlos last file a Form 4?
The most recent primary Form 4 on record is dated 16 July 2025, one of 2 filings going back to 2024.
