UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO

§ 240.13d-2(a)

(Amendment No. 6)¹

HC2 Holdings, Inc.

(Name of Issuer)

Common Stock, par value $0.001 per share

(Title of Class of Securities)

404139107

(CUSIP Number)

MICHAEL GORZYNSKI

595 Madison Avenue, 29th Floor

New York, NY 10022

(646) 274-9610

ANDREW FREEDMAN, ESQ.

OLSHAN FROME WOLOSKY LLP

1325 Avenue of the Americas

New York, New York 10019

(212) 451-2300

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

December 14, 2020

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box ¨.

Note:  Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See § 240.13d-7 for other parties to whom copies are to be sent.

1              The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

* Excludes 33,747 shares of Common Stock granted to Mr. Gorzynski personally as a director of the Issuer, which are not currently vested and do not vest within the next 60 days.

The following constitutes Amendment No. 6 to the Schedule 13D filed by the undersigned (“Amendment No. 6”). This Amendment No. 6 amends the Schedule 13D as specifically set forth herein.

Item 4 is hereby amended to add the following:

On December 14, 2020, MG Capital Management entered into a confidentiality agreement (the “Agreement”) with the Issuer with respect to a possible negotiated acquisition of Continental Insurance Group Ltd. and its subsidiaries, including Continental General Insurance Company and Continental LTC Inc. (collectively, the “Continental Companies”). The Agreement contains a standstill provision that, subject to specified exceptions (providing for, among other things, negotiations regarding, and private proposals or offers in furtherance of, the Indication of Interest), restricts MG Capital Management, its controlled affiliates and other representatives, for a period of 90 days, from making stockholder proposals, or offers or proposals for a business combination, specifically relating to the Continental Companies, directing, soliciting or supporting a third party to make such an offer or proposal or publicly commenting on a private third-party proposal. The foregoing description of the Agreement is not complete and is qualified in its entirety by reference to the full text of the Agreement, which is filed as Exhibit 99.1 hereto and incorporated by reference herein.

Item 6 is hereby amended to add the following:

On December 14, 2020, MG Capital Management and the Issuer entered into the Agreement as defined and described in Item 4 above and attached as Exhibit 99.1 hereto.

Item 7 is hereby amended to add the following exhibit:

SIGNATURES

After reasonable inquiry and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated: December 16, 2020