Northfield Bancorp, Inc. — Director's Dealing 2017

May 25, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Northfield Bancorp, Inc. (NFBK)
CIK: 0001493225
Period of Report: 2017-05-23

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-23	Common Stock	S	6168	$16.91	Disposed	190995	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Comon Stock	43641.8517	Indirect
Common Stock	3343	Indirect
Common Stock	29967.426	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options	$7.09	2019-01-30	Common Stock (269356.0)	269356	Direct
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: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $16.9100 to $16.9101, inclusive. The reporting person undertakes to provide to Northfield Bancorp, Inc., any security holder of Northfield Bancorp, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

F2: Reflects transactions not required to be reported pursuant to Section 16 of the Securities Exchange Act of 1934, as amended.