Summary
Updated Aug 30, 2026
William R. Sperry is Director of MSA Safety Inc (MSA). 1 SEC Form 4 filing on record, dated 14 May 2026.
Recent Transactions
1Every recent SEC Form 4 transaction William R. Sperry has reported, most recent first.
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 of MSA open-market activity in the last 12 months
- Stephanie L. Sciullo - $1.21M of MSA open-market activity in the last 12 months
- Jonathan D. Buck - $367K of MSA open-market activity in the last 12 months
- Julie A. Beck - $71K of MSA open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
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.
Where can I see all of William R. Sperry's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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