Masterson William F III - Insider Non-Derivative Transactions at CABOT CORP (CBT) - (SEC)

Updated on March 12, 2026.

According to recent SEC insider information filed on Dec 3, 2025, Masterson William F III's relationship to CABOT CORP (CBT) is Officer (Senior Vice President), and currently has 7,210 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other CBT insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Masterson William F III - Insider Non-Derivative Transactions of CBT Common Stock

Masterson William F III - Insider Non-Derivative Transactions at CBT

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 4, 2025	Acquisition -- (Common Stock)	3486	0	7210