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: McMahon Robert W. (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-26	Common Stock	M	7347	—	Acquired	36409	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	7347	Disposed		Common Stock (7347)	Direct

Footnotes

F1: Represents voluntary reporting of the vesting of Restricted Stock Units (RSUs), the settlement of which has been deferred pursuant to the Issuer's Deferred Equity Plan.

F2: RSUs convert into common stock on a one-for-one basis upon vesting.

F3: Includes 18,970 shares subject to deferral pursuant to the Issuer's Deferred Equity Plan (inclusive of the 7,347 shares being voluntarily reported on this Form 4).

F4: This RSU award vests in four equal installments beginning on first anniversary of the grant date.