Keohane Sean D

SEC CIK: 0001435737

SEC filings (opens in a new tab)

In the past year, 3 open-market sale filings worth $19.6M and no purchases.

Current role at each company

CBT Cabot CorpPresident and CEOas of Sep 14, 2026
CC Chemours CoDirectoras of May 8, 2026

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought: –; 0 filings
Sold: $19.6M; 3 filings
Net: −$19.6M; Bought minus sold
Companies: 1; With open-market trades

Trades

Every Form 4 that lists Keohane Sean D as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

Transaction type

Role

Minimum value (USD)

Filed from

Filed to

Filing delay at least (days)

Filing delay at most (days)

CBT Cabot Corp

President and CEO7 trades

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Aug 31, 2026 (view filing)7:00 PM ET	Aug 28	3 days	Keohane Sean DPresident and CEO	SSale	−134.9K	$85.00	−$11.5M	−25.0%404.1K after
Aug 26, 2026 (view filing)2:42 PM ET	Aug 24	2 days	Keohane Sean DPresident and CEO	SSale	−2.78K	$85.50	−$237.6K	−1.0%288.9K after
Aug 11, 2026 (view filing)6:00 PM ET	Aug 7	4 days	Keohane Sean DPresident and CEO	SSale	−91.9K	$86.41	−$7.94M	−18.5%404.1K after
Aug 15, 2025 (view filing)	Aug 14	1 day	Keohane Sean DPresident and CEO	SSale	−114.4K	$79.28	−$9.07M	−24.0%361.5K after	4 lots
Sep 4, 2024 (view filing)	Sep 3	1 day	Keohane Sean DPresident and CEO	SSale	−25.6K	$101.55	−$2.60M	−7.2%331.2K after	2 lots
Mar 4, 2024 (view filing)	Mar 1	3 days	Keohane Sean DPresident and CEO	SSale	−17.9K	$85.43	−$1.53M	−5.1%331.2K after	2 lots
May 26, 2022 (view filing)	May 24	2 days	Keohane Sean DPresident and CEO	SSale	−14.3K	$69.15	−$988.6K	−5.1%265.7K after	3 lots