As filed with the Securities and Exchange Commission on April 1, 2015

Registration No. 333-            

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM S-1

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

AXALTA COATING SYSTEMS LTD.

(Exact name of registrant as specified in its charter)

Two Commerce Square

2001 Market Street

Suite 3600

Philadelphia, Pennsylvania 19103

(855) 547-1461

(Address, including zip code, and telephone number, including area code, of the registrant’s principal executive offices)

Michael F. Finn

Senior Vice President, General Counsel and Corporate Secretary

Axalta Coating Systems Ltd.

Two Commerce Square

2001 Market Street

Suite 3600

Philadelphia, Pennsylvania 19103

(855) 547-1461

(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copies to:

Approximate date of commencement of proposed sale to the public: As soon as practicable after the effective date of this registration statement.

If any of the securities being registered on this form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, check the following box.  ¨

If this form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  x    Registration No. 333-202812

If this form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ¨

If this form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

CALCULATION OF REGISTRATION FEE

This registration statement shall become effective upon filing with the Securities and Exchange Commission in accordance with Rule 462(b) under the Securities Act.

EXPLANATORY NOTE AND INCORPORATION BY REFERENCE

This Registration Statement on Form S-1 is being filed pursuant to Rule 462(b) under the Securities Act of 1933, as amended, for the purposes of registering 5,750,000 common shares, par value $1.00 per share, of Axalta Coating Systems Ltd. The contents of the Registration Statement on Form S-1, as amended (File No. 333-202812), which was initially filed on March 17, 2015, and which was declared effective by the Securities and Exchange Commission on April 1, 2015, including the exhibits thereto, are hereby incorporated by reference into this Registration Statement.

The required opinion and consents are listed on an Exhibit Index attached hereto and filed herewith.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, the registrant has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the city of Philadelphia, state of Pennsylvania, on April 1, 2015.

Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and as of the dates indicated.

EXHIBIT INDEX