SEC FORM 4

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^*

GRIEVE ROBERT B

(Last)

(First)

(Middle)

3760 ROCKY MOUNTAIN AVENUE

(Street)

LOVELAND

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)

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

3. Date of Earliest Transaction (Month/Day/Year)
08/17/2015

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/17/2015		M		4,535	A	$12.5	106,225⁽¹⁾	D
Common Stock	08/17/2015		M		3,498	A	$12.5	109,723⁽¹⁾	D
Common Stock	08/17/2015		S		5,353	D	$34.9	104,370⁽¹⁾	D
Common Stock	08/17/2015		S		200	D	$34.905	104,170⁽¹⁾	D
Common Stock	08/17/2015		S		500	D	$34.91	103,670⁽¹⁾	D
Common Stock	08/17/2015		S		100	D	$34.926	103,570⁽¹⁾	D
Common Stock	08/17/2015		S		226	D	$34.93	103,344⁽¹⁾	D
Common Stock	08/17/2015		S		154	D	$34.935	103,190⁽¹⁾	D
Common Stock	08/17/2015		S		300	D	$34.94	102,890⁽¹⁾	D
Common Stock	08/17/2015		S		100	D	$34.945	102,790⁽¹⁾	D
Common Stock	08/17/2015		S		400	D	$34.95	102,390⁽¹⁾	D
Common Stock	08/17/2015		S		200	D	$34.964	102,190⁽¹⁾	D
Common Stock	08/17/2015		S		100	D	$34.965	102,090⁽¹⁾	D
Common Stock	08/17/2015		S		200	D	$34.97	101,890⁽¹⁾	D
Common Stock	08/17/2015		S		100	D	$35.022	101,790⁽¹⁾	D
Common Stock	08/17/2015		S		100	D	$35.025	101,690⁽¹⁾	D
Common Stock								2,427	I	by Daughter I⁽²⁾
Common Stock								650	I	by Daughter II⁽³⁾
Common Stock								1,564	I	by Spouse⁽⁴⁾

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Non-qualified Stock option (right to buy)	$12.5	08/17/2015		M			4,535	⁽⁵⁾	12/15/2015	Common Stock	4,535	$0	0	D
Non-qualified Stock option (right to buy)	$12.5	08/17/2015		M			3,498	⁽⁵⁾	12/15/2015	Common Stock	3,498	$0	14,702	D

Explanation of Responses:

1. Includes one share jointly owned with Jason Napolitano.

2. Gifts under the Uniform Gifts to Minors Act to daughter (Megan Grieve). The reporting person is the custodian of such shares but disclaims beneficial ownership of these shares.

3. Gifts under the Uniform Gifts to Minors Act to daughter (Madeline Grieve). The reporting person is the custodian of such shares but disclaims beneficial ownership of these shares.

4. Dr. Grieve disclaims beneficial ownership of all securities of the Issuer owned by his wife.

5. This option vested in equal monthly installments over four (4) years from the date of grant until it became fully vested on December 15, 2009.

	By Jason A. Napolitano For: Robert Grieve	08/18/2015
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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