Northfield Bancorp, Inc. — Director's Dealing 2018

May 30, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Northfield Bancorp, Inc. (NFBK)
CIK: 0001493225
Period of Report: 2018-05-29

Reporting Person: Widmer Michael J (EVP)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-29	Common Stock	S	1752	$16.0801	Disposed	145881	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	31847.9746	Indirect
Common Stock	5896	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options	$13.13	2024-06-11	Common Stock (170000.0)	170000	Direct
Stock Options	$14.76	2025-05-27	Common Stock (50000.0)	50000	Direct

Footnotes

F1: Represents shares sold by the Reporting Person to satisfy tax obligations in connection with the vesting of an equity award.

F2: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $15.96 to $16.35, 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.

F3: Reflects transactions not required to be reported pursuant to Section 16 of the Securities Exchange Act of 1934, as amended.