UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File No. 001-35210 HC2 HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 54-1708481 (State or other jurisdiction of incorporation or organization) 450 Park Avenue, ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the quarterly period ended September 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File No. 001-35210 HC2 HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 54-1708481 (State or other jurisdiction of incorporation or organization) 450 Par ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the quarterly period ended June 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File No. 001-35210 HC2 HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 54-1708481 (State or other jurisdiction of incorporation or organization) 450 Park Ave ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the quarterly period ended March 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File No. 001-35210 HC2 HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 54-1708481 (State or other jurisdiction of incorporation or organization) 450 Park Av ...

WASHINGTON, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. For the fiscal year ended December 31, 2018 UNITED STATES SECURITIES AND EXCHANGE COMMISSION OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File No. 001-35210 HC2 HOLDINGS, INC. (Exact name of registrant as specified in its charter) Delaware 54-1708481 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer ...