Summary
Updated Aug 30, 2026
John Langton Sennott Jr. is Director of Ategrity Specialty Insurance Co Holdings (ASIC). 1 SEC Form 4 filing on record, dated 16 June 2026.
Recent Transactions
1Every recent SEC Form 4 transaction John Langton Sennott Jr. 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 John Langton Sennott Jr. 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.
- Stuart J. Zimmer - $409K of ASIC open-market activity in the last 12 months
- Justin G. Cohen - $101K of ASIC open-market activity in the last 12 months
- Chris Schenk - $50K of ASIC 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 John Langton Sennott Jr.?
John Langton Sennott Jr. 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.
How many SEC Form 4 filings has John Langton Sennott Jr. submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of John Langton Sennott Jr.'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.
Learn More
Follow John Langton Sennott Jr. and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial
