HOLOGIC INC — Director's Dealing 2017

May 31, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HOLOGIC INC (HOLX)
CIK: 0000859737
Period of Report: 2017-05-26

Reporting Person: Oberton Karleen Marie (Corp. VP & Chief Acctg Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-26	Common Stock	M	525	—	Acquired	12211	Direct
2017-05-26	Common Stock	F	166	$43.35	Disposed	12045	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-26	Restricted Stock Unit Award (Right To Receive)	$0	M	525	Disposed		Common Stock (525)	Direct

Footnotes

F1: Restricted Stock Units (RSUs) convert into common stock on a one-for-one basis upon vesting.

F2: Includes 230 shares acquired pursuant to the Issuer's employee stock purchase plan since the date of the Reporting Person's most recently filed Form 4.

F3: This RSU award vests in four equal installments beginning on first anniversary of the grant date.