William S. Mercer
Director · Ategrity Specialty Insurance Co Holdings
Individual
- 2026
- Jun 15, 2026
- 1
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William S. Mercer 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.
- Justin G. Cohen - $101K in ASIC purchases and sales in the last 12 months
- Chris Schenk - $50K in ASIC purchases and sales in the last 12 months
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Frequently asked questions
Who is William S. Mercer?
William S. Mercer is a corporate insider, tracked as Director of Ategrity Specialty Insurance Co Holdings (ASIC). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did William S. Mercer last file a Form 4?
The only primary Form 4 on record is dated 15 June 2026.
