UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): June 19, 2013

INRAD OPTICS, INC.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: 201-767-1910

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Item 5.07 Submission of Matters to a Vote of Security Holders

At the Annual Meeting of Shareholders of Inrad Optics, Inc. held on June 19, 2013, shareholders representing 10,510,007 shares or 87.2% of the 12,046,003 shares of common stock outstanding on the record date of April 25, 2013 were present in person or by proxy, constituting a quorum for the purposes of the Annual Meeting.  Matters voted upon at the Annual Meeting were as follows:

Proposal One: The election of two (2) Class 3 directors to the Board of Directors to hold office for three (3) years.

All of the Board’s nominees were elected. Voting for Proposal One was as follows:

Class 3 Directors — Term Expires in 2016

Proposal Two: Ratification of Baker Tilly Virchow Krause, LLP (formerly Holtz Rubenstein Reminick, LLP) as the Company’s independent registered public accounting firm for the fiscal year ended December 31, 2013.

Voting for Proposal Two was as follows:

Proposal Three: Approval, as a non-binding advisory vote, our named executive officer compensation.

Voting for Proposal Three was as follows:

Proposal Four: Approval, as a non-binding advisory vote, the frequency of holding future advisory votes on named executive officer compensation.

Voting for Proposal Four was as follows:

SIGNATURE

Pursuant to the requirements of the Securities and Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.