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):  January 3, 2017

NEOPHOTONICS CORPORATION

(Exact name of registrant as specified in its charter)

NeoPhotonics Corporation

2911 Zanker Road

San Jose, California 95134

(Address of principal executive offices and zip code)

Registrant’s telephone number, including area code: (408) 232-9200

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 (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

ITEM 1.01 ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT.

On January 3, 2017, NeoPhotonics Corporation (the “Company”) entered into a Tenth Amendment to Credit Agreement (the “Amendment”) to that certain Revolving Credit and Term Loan Agreement (the “Credit Agreement”), dated as of March 21, 2013, with Comerica Bank, as Administrative Agent and Lead Arranger (the “Agent”), and the lenders from time to time party thereto. The Amendment provided for an extension of the maturity date of the revolving credit line under the Credit Agreement to April 30, 2017 and a removal of a financial covenant that requires the Company to maintain a maximum funded debt to adjusted EBITDA ratio.

The foregoing description of the Amendment is not intended to be complete and is qualified in its entirety by reference to the full text of the Amendment, which will be filed as an exhibit to the Company’s Annual Report on Form 10-K for the fiscal year ending December 31, 2016.

Signature

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