CABOT CORP — Director's Dealing 2016

Nov 29, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CABOT CORP (CBT)
CIK: 0000016040
Period of Report: 2016-11-25

Reporting Person: Kalkstein Hobart (Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-11-25	Common Stock	M	4890	$16.90	Acquired	28745	Direct
2016-11-25	Common Stock	S	4890	$51.80	Disposed	23855	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-11-25	Employee Stock Option (Right to Buy)	$16.90	M	4890	Disposed	2019-05-06	Common Stock (4890)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	5883.95	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: 16,300 shares were subject to the option. The option vested over a three year period as follows: 30% May 7, 2010, 30% May 7, 2011 and 40% on May 7, 2012.