Cempra, Inc. (CEMP): Aisling Capital Slashes Stake as Stock Sinks

CUSIP No. 15130J 109

Page 2 of 11

1

NAME OF REPORTING PERSON

I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

Aisling Capital II, LP

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)  o

(b)  x

3

SEC USE ONLY

4

SOURCE OF FUNDS

OO

5

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)

6

CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY EACH

WITH

7

SOLE VOTING POWER

8

SHARED VOTING POWER

0

9

SOLE DISPOSITIVE POWER

1,232,278

10

SHARED DISPOSITIVE POWER

0

11

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

1,232,278

12

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

13

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

2.6%⁽¹⁾

14

TYPE OF REPORTING PERSON

PN

(1)

Based on 48,169,733 shares of the Issuer’s common stock issued and outstanding as of February 18, 2016, as reported in the Issuer’s annual report on Form 10-K filed with the Securities Exchange Commission (the “SEC”) on February 25, 2016.