Keohane Sean D
President and CEO
Keohane Sean D has filed 6 SEC Form 4 filings (11 transaction rows) across 2 companies, including CBT, CC, with disclosures dating back to 2025. 6 of those filings fall inside the rolling window. Most recent filing: Aug 31, 2026.
On the most recent filing, Keohane Sean D is listed as President and CEO at CABOT CORP. Inside the rolling window, Keohane Sean D reported no open-market purchases and 3 open-market sales totaling $19.6M in CBT. The largest disclosed transaction in the window is a sale of 134,895 CBT shares on Aug 28, 2026, worth $11.5M.
Companies traded
Other insiders at CBT
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$19.6M
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Keohane Sean D made?
Keohane Sean D has filed 6 SEC Form 4 filings (11 transaction rows) across 2 companies, including CBT, CC since 2025.
Which companies does Keohane Sean D trade?
Keohane Sean D has filed SEC Form 4 disclosures for 2 companies, including CBT, CC.
When was Keohane Sean D's most recent SEC Form 4 filing?
Keohane Sean D's most recent SEC Form 4 filing on Tracefour is dated Aug 31, 2026.
What is Keohane Sean D's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Keohane Sean D is listed as President and CEO.
What is Keohane Sean D's total buy and sell value in the current window?
Inside the rolling retention window, Keohane Sean D bought $0 and sold $19.6M based on SEC Form 4 filings.
What was Keohane Sean D's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 134,895 CBT shares on 2026-08-28, worth $11.5M, per SEC Form 4 filings.