13D Filing: Lone Star Value Management and ATRM Holdings Inc. (ATRM)

The following
constitutes Amendment No. 20 to the Schedule 13D filed by the undersigned (“Amendment No. 20”). This Amendment No.
20 amends the Schedule 13D as specifically set forth herein.

Item 5.

Interest in Securities of the Issuer.

Items 5(a) –
(c) are hereby amended and restated to read as follows:

The aggregate percentage
of Shares reported owned by each person named herein is based upon 2,396,219 Shares outstanding as of November 7, 2017, which is
the total number of Shares outstanding as reported in the Issuer’s definitive proxy statement filed with the Securities and
Exchange Commission on November 13, 2017.

A.

Lone Star Value Investors

(a)

As of the date hereof, Lone Star Value Investors beneficially owned 1,067,885 Shares.

Percentage: Approximately
44.6%

(b)

1. Sole power to vote or direct vote: 1,067,885 2. Shared power to vote or direct vote: 0 3. Sole power to dispose or direct the disposition: 1,067,885 4. Shared power to dispose or direct the disposition: 0

(c)

Lone Star Value Investors has not entered into any transactions in the securities of the Issuer since the filing of Amendment No. 19 to the Schedule 13D.

B.

Lone Star Value Co-Invest

(a)

As of the date hereof, Lone Star Value Co-Invest did not beneficially own any Shares.

Percentage: 0%

(b)

1. Sole power to vote or direct vote: 0 2. Shared power to vote or direct vote: 0 3. Sole power to dispose or direct the disposition: 0 4. Shared power to dispose or direct the disposition: 0

(c)

Lone Star Value Co-Invest has not entered into any transactions in the securities of the Issuer since the filing of Amendment No. 19 to the Schedule 13D.

C.

Lone Star Value GP

(a)

Lone Star Value GP, as the general partner of Lone Star Value Investors and Lone Star Value Co-Invest, may be deemed the beneficial owner of the 1,067,885 Shares owned by Lone Star Value Investors.

Percentage: Approximately
44.6%