Insiders who reported open-market trades in the last 12 months at the companies Lewis H. Ferguson 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.
Lewis H. Ferguson is a corporate insider, tracked as Director of COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI). InsiderAlpha holds 11 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Lewis H. Ferguson submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Lewis H. Ferguson been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($311K) across all tracked filings.
Lewis H. Ferguson is Director of COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI). 11 SEC Form 4 filings on record going back to 2024, most recently on 30 September 2026. Most recent open-market trade: sold $57K of CCOI on 28 May 2026. Lifetime open-market sales: $311K.
Recent transactions
11
The latest 11 SEC Form 4 transactions reported by Lewis H. Ferguson.
InsiderAlpha's records for Lewis H. Ferguson go back to 2024: 11 primary Form 4 filings, an average of 3.7 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
