Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William R. Sperry 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.
- Nishan J. Vartanian - $3.88M in MSA purchases and sales in the last 12 months
- Jonathan D. Buck - $367K in MSA purchases and sales in the last 12 months
- Julie A. Beck - $71K in MSA purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is William R. Sperry?
William R. Sperry is a corporate insider, tracked as Director of MSA Safety Inc (MSA). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did William R. Sperry last file a Form 4?
The only primary Form 4 on record is dated 14 May 2026.
