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)

August 4, 2017

Registrant's telephone number, including area code (412) 787-6700

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))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

 [ ] Emerging growth company

 [ ] 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 13(a) of the Exchange Act.

Item 2.02 Results of Operations and Financial Condition

On August 4, 2017, Calgon Carbon Corporation issued a Press Release announcing its results for the second fiscal quarter ended June 30, 2017 and certain other information that is furnished as Exhibit 99.1 hereto.

Item 7.01 Regulation FD Disclosure

On August 4, 2017, the Company will host a conference call and simultaneous presentation to investors to discuss the results for the second fiscal quarter ended June 30, 2017.  A copy of the investor presentation is attached hereto as Exhibit 99.2 and incorporated herein by reference. The presentation slides are posted on the Company's website at www.calgoncarbon.com in the "presentations" category under the investor tab.

The information contained in Item 7.01 of this Current Report shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits.

(d)  Exhibits.  The  following Exhibits 99.1 and 99.2 are being furnished pursuant to Item 601 of Regulation S-K and General Instruction B2 to this Form 8-K:

SIGNATURES

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.