Northfield Bancorp, Inc. — Director's Dealing 2018

May 18, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Northfield Bancorp, Inc. (NFBK)
CIK: 0001493225
Period of Report: 2018-05-16

Reporting Person: Doherty Kenneth J (EVP & Chief Lending Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-16	Common Stock	M	30000	$7.085	Acquired	236137	Direct
2018-05-16	Common Stock	F	13318	$15.96	Disposed	222819	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-05-16	Stock Options	$7.085	M	30000	Disposed	2019-01-30	Common Stock (30000.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	24974.9074	Indirect
Common Stock	3368.237	Indirect
Common Stock	44841.8849	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options	$13.13	2024-06-11	Common Stock (207000.0)	207000	Direct
Stock Options	$14.67	2025-05-27	Common Stock (75000.0)	75000	Direct

Footnotes

F1: Reflects transactions not required to be reported pursuant to Section 16 of the Securities Exchange Act of 1934, as amended.