Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies H. Hiter Harris III files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Ting Xu - $248K in NEU purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is H. Hiter Harris III?
H. Hiter Harris III is a corporate insider of NEWMARKET CORP (NEU). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did H. Hiter Harris III last file a Form 4?
The most recent primary Form 4 on record is dated 1 July 2026, one of 2 filings going back to 2025.
