CABOT CORP — Director's Dealing 2018

Aug 10, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CABOT CORP (CBT)
CIK: 0000016040
Period of Report: 2018-08-09

Reporting Person: BERUBE BRIAN A (SVP, General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-08-09	Common Stock	M	6368	$39.54	Acquired	52127	Direct
2018-08-09	Common Stock	S	6368	$65.51	Disposed	45759	Direct
2018-08-09	Common Stock	M	7080	$39.54	Acquired	52839	Direct
2018-08-09	Common Stock	S	7080	$65.35	Disposed	45759	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-08-09	Employee Stock Option (Right to Buy)	$39.54	M	6368	Disposed	2025-11-11	Common Stock (6368)	Direct
2018-08-09	Employee Stock Option (Right to Buy)	$39.54	M	7080	Disposed	2025-11-11	Common Stock (7080)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	8615.2263	Indirect

Footnotes

F1: The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $65.50 to $65.54, inclusive. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the Corporation or any security holder of the Corporation, upon request, full information regarding the number of shares sold at each separate price.

F2: The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $65.28 to $65.44, inclusive. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the Corporation or any security holder of the Corporation, upon request, full information regarding the number of shares sold at each separate price.

F3: Reflects retirement plan contribution by the Corporation.

F4: 22,415 shares were subject to the option. 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.