Steven M. Eyl Form 4 HESKA / Steven M. Eyl 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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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^*

Eyl Steven M.

(Last) (First) (Middle)

3760 ROCKY MOUNTAIN AVENUE

(Street)

LOVELAND CO 80538

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
HESKA CORP [ HSKA ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
EVP, Global Sales & Marketing

3. Date of Earliest Transaction (Month/Day/Year)
08/09/2018

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

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

X	Form filed by One Reporting Person
	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	08/09/2018		M		5,353	A	$39.76	15,401	D
Common Stock	08/09/2018		M		1,196	A	$39.76	16,597	D
Common Stock	08/09/2018		M		9,854	A	$18.13	26,451	D
Common Stock	08/09/2018		M		4,769	A	$7.36	31,220	D
Common Stock	08/09/2018		M		3,750	A	$8.26	34,970	D
Common Stock	08/09/2018		S		15,475	D	$98.2709(1)	19,495	D
Common Stock	08/09/2018		S		9,047	D	$99.2509(2)	10,448	D
Common Stock	08/09/2018		S		400	D	$100.0411(3)	10,048	D
Common Stock	08/10/2018		M		1,051	A	$39.76	11,099	D
Common Stock	08/10/2018		S		1,051	D	$98	10,048	D
Common Stock	08/13/2018		M		5,937	A	$72.85	15,985	D
Common Stock	08/13/2018		S		5,937	D	$98	10,048	D
Common Stock	08/13/2018		M		1,441	A	$39.76	11,489	D
Common Stock	08/13/2018		S		1,441	D	$98	10,048	D

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
Incentive Stock Option (right to buy)	$7.36	08/09/2018		M			4,769	11/21/2013	11/20/2023	Common Stock	4,769	$0	0	D
Incentive Stock Option (right to buy)	$8.26	08/09/2018		M			3,750	05/15/2013	05/14/2023	Common Stock	3,750	$0	0	D
Incentive Stock Option (right to buy)	$18.13	08/09/2018		M			9,854	12/31/2014	12/30/2024	Common Stock	9,854	$0	1,146	D
Incentive Stock Option (right to buy)	$39.76	08/09/2018		M			1,196	12/29/2015	12/28/2025	Common Stock	1,196	$0	3,041	D
Non-Qualified Stock Option (right to buy)	$39.76	08/09/2018		M			5,353	12/29/2015	12/28/2025	Common Stock	5,353	$0	4,410	D
Non-Qualified Stock Option (right to buy)	$39.76	08/10/2018		M			1,051	12/29/2015	12/28/2025	Common Stock	1,051	$0	3,359	D
Non-Qualified Stock Option (right to buy)	$39.76	08/13/2018		M			1,441	12/29/2015	12/28/2025	Common Stock	1,441	$0	1,918	D
Non-Qualified Stock Option (right to buy)	$72.85	08/13/2018		M			5,937	12/29/2016	12/28/2026	Common Stock	5,937	$0	7,691	D

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.00 to $98.99, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $99.00 to $99.89, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.04 to $100.15, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

	By: Jason A. Napolitano For: Steven M. Eyl	08/13/2018
	** Signature of Reporting Person	Date
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