CABOT CORP — Director's Dealing 2015

Nov 16, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CABOT CORP (CBT)
CIK: 0000016040
Period of Report: 2015-11-12

Reporting Person: Prevost Patrick M. (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-11-12	Common Stock	A	28831	$0.00	Acquired	290130	Direct
2015-11-12	Common Stock	F	613	$39.54	Disposed	289517	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-11-12	Employee Stock Option (Right to Buy)	$39.54	A	121683	Acquired	2025-11-11	Common Stock (121683)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	7790	Indirect

Footnotes

F1: Reflects retirement plan contributions by the Corporation, including contributions that have occurred since the date of the reporting person's last ownership report.

F2: The option vests over a three year period as follows: 30% on November 12, 2016, 30% on November 12, 2017 and 40% on November 12, 2018.