CABOT CORP — Director's Dealing 2018

Jun 6, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CABOT CORP (CBT)
CIK: 0000016040
Period of Report: 2018-06-05

Reporting Person: Keohane Sean D (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-06-05	Common Stock	M	21067	$35.25	Acquired	129674	Direct
2018-06-05	Common Stock	S	21067	$62.99	Disposed	108607	Direct
2018-06-05	Common Stock	M	15909	$34.64	Acquired	124516	Direct
2018-06-05	Common Stock	S	15909	$62.99	Disposed	108607	Direct
2018-06-05	Common Stock	M	22561	$32.95	Acquired	131168	Direct
2018-06-05	Common Stock	S	22561	$62.99	Disposed	108607	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-06-05	Employee Stock Option (Right to Buy)	$35.25	M	21067	Disposed	2022-11-08	Common Stock (21067)	Direct
2018-06-05	Employee Stock Option (Right to Buy)	$34.64	M	15909	Disposed	2020-11-11	Common Stock (15909)	Direct
2018-06-05	Employee Stock Option (Right to Buy)	$32.95	M	22561	Disposed	2021-11-10	Common Stock (22561)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	11614.5616	Indirect

Footnotes

F1: The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $62.52 to $63.28, 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 $62.48 to $63.32, 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: 21,067 shares were subject to the option. The option vested over a three year period as follows: 30% on November 9, 2013, 30% on November 9, 2014 and 40% on November 9, 2015.

F5: 15,909 shares were subject to the option. The option vested over a three year period as follows: 30% on November 12, 2011, 30% on November 12, 2012 and 40% on November 12, 2012.

F6: 22,561 shares were subject to the option. The option vested over a three year period as follows: 30% on November 11, 2012, 30% on November 11, 2013 and 40% on November 11, 2014.