Kotler Kevin Form 4 ARATANA THERAPEUTICS / KEVIN KOTLER ownership change

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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X

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Broadfin Healthcare Master Fund Ltd

(Last) (First) (Middle)

20 GENESIS CLOSE

ANSBACHER HOUSE, 2ND FLOOR, PO BOX 1344

(Street)

GRAND CAYMAN E9 KY1-1108

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ARATANA THERAPEUTICS, INC. [ PETX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/29/2017

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/29/2017		S		1,000	D	$6.66	5,183,942	D(1)
Common Stock	11/29/2017		S		49,865	D	$6.6	5,134,077	D(1)
Common Stock	11/29/2017		S		5,751	D	$6.55	5,128,326	D(1)
Common Stock	11/29/2017		S		50,000	D	$6.5	5,078,326	D(1)
Common Stock	11/29/2017		S		7,700	D	$6.35	5,070,626	D(1)
Common Stock	11/29/2017		S		300	D	$6.28	5,070,326	D(1)
Common Stock	11/29/2017		S		1,900	D	$6.26	5,068,426	D(1)
Common Stock	11/30/2017		S		100	D	$6.03	5,068,326	D(1)
Common Stock	11/30/2017		S		11,472	D	$5.97	5,056,854	D(1)
Common Stock	11/30/2017		S		100,000	D	$5.95	4,956,854	D(1)
Common Stock	11/30/2017		S		50,000	D	$5.95	4,906,854	D(1)
Common Stock	11/30/2017		S		50,000	D	$5.9	4,856,854	D(1)
Common Stock	12/01/2017		S		72,000	D	$5.65	4,784,854	D(1)
Common Stock	12/01/2017		S		8,020	D	$5.53	4,776,834	D(1)
Common Stock	12/01/2017		S		5,110	D	$5.52	4,771,724	D(1)
Common Stock	12/01/2017		S		100	D	$5.47	4,771,624	D(1)
Common Stock	12/01/2017		S		50,000	D	$5.45	4,721,624	D(1)
Common Stock	12/01/2017		S		1,900	D	$5.44	4,719,724	D(1)
Common Stock	12/01/2017		S		425,298	D	$5.4	4,294,426	D(1)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

Broadfin Healthcare Master Fund Ltd

(Last) (First) (Middle)

20 GENESIS CLOSE

ANSBACHER HOUSE, 2ND FLOOR, PO BOX 1344

(Street)

GRAND CAYMAN E9 KY1-1108

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Broadfin Capital, LLC

(Last) (First) (Middle)

300 PARK AVENUE

25TH FLOOR

(Street)

NEW YORK NY 10022

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

KOTLER KEVIN

(Last) (First) (Middle)

C/O BROADFIN CAPITAL, LLC

300 PARK AVENUE, 25TH FLOOR

(Street)

NEW YORK NY 10022

(City) (State) (Zip)

Explanation of Responses:

1. The Common Stock are held in the account of Broadfin Healthcare Master Fund, Ltd., a private investment fund managed by Broadfin Capital, LLC and may be deemed to be beneficially owned by Kevin Kotler, managing member of Broadfin Capital, LLC. Each of Broadfin Capital, LLC, Broadfin Healthcare Master Fund, Ltd. and Kevin Kotler disclaim beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein, and affirmatively disclaim being a "group" for purposes of Section 16 of the Securities Exchange Act of 1934, as amended.

	BROADFIN HEALTHCARE MASTER FUND, LTD., By: /s/ Kevin Kotler, Director	12/01/2017
	BROADFIN CAPITAL, LLC By: /s/ Kevin Kotler, Managing Member	12/01/2017
	/s/ Kevin Kotler	12/01/2017
	** Signature of Reporting Person	Date
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