13D Filing: Longitude Capital Partners III, LLC and Molecular Templates Inc. (MTEM)

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Page 2 of 10 – SEC Filing

CUSIP No. 608550 109 13D Page 2 of 10 Pages
1

NAMES OF REPORTING PERSONS

Longitude Capital Partners III, LLC

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(see instructions)

(a)
¨

(b)
¨

3

SEC USE ONLY

4

SOURCE OF FUNDS (see instructions)

OO1

5

CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED

PURSUANT TO ITEM 2(d) or 2(e)

¨

6

CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON WITH

7

SOLE VOTING POWER

0

8

SHARED VOTING POWER

4,344,8022

9

SOLE DISPOSITIVE POWER

0

10

SHARED DISPOSITIVE POWER

4,344,8022

11

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

4,344,8022

12

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES

(see instructions)

¨

13

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11

15.3%3

14

TYPE OF REPORTING PERSON (see instructions)

OO

1 The securities over which
the Reporting Persons have shared voting and dispositive power were acquired using investment funds from limited partner investors
of Longitude Venture III.

2 Consists of 2,896,535 outstanding
shares of Common Stock and 1,448,267 shares of Common Stock issuable upon exercise of Warrants.

3The percentage
was calculated based on 28,329,124 shares of Common Stock, as follows: 26,880,857 outstanding shares of Common Stock as of August 1,
2017, as disclosed by the Issuer in its Current Report on Form 8-K filed with the Commission on August 7, 2017; plus 1,448,267
shares of Common Stock issuable upon exercise of the Warrants beneficially owned by the Reporting Persons.

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