13G Filing: Ardsley Partners and Marrone Bio Innovations Inc (MBII)

Item 1.

(a) Name
of Issuer:

Marrone
Bio Innovations, Inc.

(b) Address
of Issuer’s Principal Executive Offices:

1540
Drew Avenue

Davis,
California 95618

Item
2.

(a) Name
of Person Filing:

This
Schedule 13G/A (the “Schedule”) is being filed with respect to shares of Common Stock (as defined below) of Marrone
Bio Innovations, Inc. (the
“Issuer”) which are beneficially owned by Ardsley Advisory Partners (the “Advisor”), Ardsley Partners
I (the “General Partner”), Phillip J. Hempleman (“Hempleman”), Ardsley Partners Fund II, L.P. (the “Fund
II”), Ardsley Partners Advanced Healthcare Fund, L.P. (the “Healthcare Fund”), Ardsley Partners Renewable Energy
Fund (the “Renewable Energy Fund”) and Ardsley Duckdive Fund, L.P. (the “Duckdive Fund”) (together, the
“Reporting Persons”). See Item 4 below.

(b) Address
of Principal Business Office or, if none, Residence:

262
Harbor Drive

Stamford,
CT 06902

(c) Citizenship:

The
Fund II, the Advanced Healthcare Fund, the Renewable Energy Fund and the Duckdive Fund are Delaware limited partnerships. The
Advisor and the General Partner are New York general partnerships. Hempleman is a United States Citizen.

(d) Title
of Class of Securities:

Common
Stock

(e) CUSIP
Number:

57165B106

(a)	o	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).
(b)	o	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
(c)	o	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).
(d)	o	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8).
(e)	x	An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);
(f)	o	An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);
(g)	o	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	o	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	o	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	o	Group, in accordance with §240.13d-1(b)(1)(ii)(J).

13G Filing: Ardsley Partners and Marrone Bio Innovations Inc (MBII)

Published on January 26, 2018 at 3:36 pm by Insider Monkey Staff in Hedge Funds

Page 9 of 13 – SEC Filing

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