Insiders who reported open-market trades in the last 12 months at the companies Cornelius B. Prior 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.
Mary Mabey - $161K in ATNI purchases and sales in the last 12 months
Patricia Jacobs - $76K in ATNI purchases and sales in the last 12 months
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Cornelius B. Prior Jr. is a corporate insider, tracked as 10% Owner of ATN International, Inc. (ATNI). InsiderAlpha holds 13 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Cornelius B. Prior Jr. submitted recently?
9 primary Form 4 filings in the last 90 days, covering 1 company.
Has Cornelius B. Prior Jr. been buying or selling stock?
Recorded transactions: 0 open-market purchases and 50 open-market sales ($4.38M) across all tracked filings.
Cornelius B. Prior Jr. is 10% Owner of ATN International, Inc. (ATNI). 13 SEC Form 4 filings on record, most recently on 5 October 2026. Most recent open-market trade: sold $168K of ATNI on 18 September 2026. Lifetime open-market sales: $4.38M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Cornelius B. Prior Jr..
InsiderAlpha's records for Cornelius B. Prior Jr. go back to 2026: 13 primary Form 4 filings, an average of 13.0 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.
