Insiders who have reported open-market trades at the same companies as Sean D. Keohane. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Sean D. Keohane is a corporate insider, tracked as President and CEO, Director of CABOT CORP (CBT). InsiderAlpha holds 21 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 Sean D. Keohane submitted recently?
5 primary Form 4 filings in the last 90 days, covering 1 company.
Has Sean D. Keohane been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($28.72M) across all tracked filings.
Sean D. Keohane is President and CEO, Director of CABOT CORP (CBT). 21 SEC Form 4 filings on record going back to 2024, most recently on 1 October 2026. Most recent open-market trade: sold $11.47M of CBT on 31 August 2026. Lifetime open-market sales: $28.72M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Sean D. Keohane.
InsiderAlpha's records for Sean D. Keohane go back to 2024: 21 primary Form 4 filings, an average of 7.0 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.