AVX (AVX) S-8 POSRegistration of securities for employees (post-effective amendment)

RegistrationNo. 333-00890

RegistrationNo. 333-85561

RegistrationNo. 333-103611

RegistrationNo. 333-127362

RegistrationNo. 333-152744

RegistrationNo. 333-193804

RegistrationNo. 333-197888

RegistrationNo. 333-215978

RegistrationNo. 333-235596

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

POST-EFFECTIVE AMENDMENT NO. 3 TO FORMS-8 REGISTRATION STATEMENT (NO.333-00890)

POST-EFFECTIVE AMENDMENT NO. 1 TO FORMS-8 REGISTRATION STATEMENT(NO. 333-85561)

POST-EFFECTIVE AMENDMENT NO. 1 TO FORMS-8 REGISTRATION STATEMENT (NO.333-103611)

POST-EFFECTIVE AMENDMENT NO. 1 TO FORMS-8 REGISTRATION STATEMENT (NO.333-127362)

POST-EFFECTIVE AMENDMENT NO. 1 TO FORMS-8 REGISTRATION STATEMENT (NO.333-152744)

POST-EFFECTIVE AMENDMENT NO. 1 TO FORMS-8 REGISTRATION STATEMENT (NO.333-193804)

POST-EFFECTIVE AMENDMENT NO. 1 TO FORMS-8 REGISTRATION STATEMENT (NO.333-197888)

POST-EFFECTIVE AMENDMENT NO. 1 TO FORMS-8 REGISTRATION STATEMENT (NO.333-215978)

POST-EFFECTIVE AMENDMENT NO. 1 TO FORMS-8 REGISTRATION STATEMENT (NO.333-235596)

UNDER THE SECURITIES ACT OF 1933

AVX CORPORATION

(Exact Name of Registrant as Specified in its Charter)

1 AVX Boulevard

Fountain Inn, South Carolina 29644

(864)967-2150

(Address, including zip code, and telephone number of Principal Executive Offices)

AVX Corporation SERP

AVX Corporation 1995 Stock Option Plan

AVX CorporationNon-Employee Directors’ Stock Option Plan

AFGWU Local 1028 401(k) Retirement Plan for Employees of AVX Corporation in Raleigh, North Carolina

AVX Corporation 2004 Stock Option Plan

AVX Corporation 2004Non-Employee Directors’ Stock Option Plan

AVX Corporation 2014 Stock Option Plan

AVX Corporation 2014Non-Employee Directors’ Stock Option Plan

AVX Corporation 2014 Restricted Stock Unit Plan

AVX Corporation 401(k) Plan

AVX Nonqualified Supplemental Retirement Plan

AVX Greenville LLC 401(k) Plan

(Full Title of the Plan)

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, anon-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule12b-2 of the Exchange Act

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.  ☐

DEREGISTRATION OF UNSOLD SECURITIES

This Post-Effective Amendment (this “Post-Effective Amendment”) deregisters all shares of AVX Corporation, a Delaware corporation (the “Registrant”), common stock, par value $0.01 per share (“Shares”), and any other securities remaining unissued, under the following Registration Statements onForm S-8 (each, a “Registration Statement” and, collectively, the “Registration Statements”) filed by the Registrant with the U.S. Securities and Exchange Commission (the “Commission”):

Pursuant to the Agreement and Plan of Merger, dated as of February 21, 2020, among the Registrant, Kyocera Corporation (“Kyocera”), and Arch Merger Sub Inc., a wholly-owned subsidiary of Kyocera (“Merger Sub”), Merger Sub merged with and into the Registrant, with the Registrant surviving as a wholly-owned subsidiary of Kyocera (the “Merger”), effective as of March 30, 2020.

As a result of the completion of the transactions contemplated by the Merger Agreement, the Registrant has terminated any and all offerings of its securities pursuant to the Registration Statements. Accordingly, the Registrant hereby terminates the effectiveness of the Registration Statements and, where applicable, in accordance with undertakings made by the Registrant in Part II of the Registration Statements to remove from registration, by means of a post-effective amendment, any securities that had been registered for issuance but remain unsold at the termination of the offering, removes from registration any and all securities of the Registrant registered but unsold under the Registration Statements as of the date hereof.

The following exhibit is incorporated by reference into this Post-Effective Amendment to FormS-8 Registration Statements:

SIGNATURES

The Company.Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on FormS-8 and has duly caused this Post-Effective Amendment to the FormS-8 Registration Statements to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Fountain Inn, State of South Carolina, on March 30, 2020.

Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment to the FormS-8 Registration Statements have been signed by the following persons in the capacities and on the dates indicated.

The Plans.Pursuant to the requirements of the Securities Act, the trustees (or other persons who administer the employee benefit plan) have duly caused this Post-Effective Amendment to the FormS-8 Registration Statements to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Fountain Inn, State of South Carolina, on March 30, 2020.