Statement of Changes in Beneficial Ownership (4)

FORM 4

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

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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3235-0287

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

1. Name and Address of Reporting Person * WIENS HAROLD J	2. Issuer Name and Ticker or Trading Symbol BIO-TECHNE Corp [ TECH ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director                    _____ 10% Owner _____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle) 614 MCKINLEY PLACE NE	3. Date of Earliest Transaction (MM/DD/YYYY) 5/22/2020
(Street) MINNEAPOLIS, MN 55413 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	5/22/2020		G		378.00 (1)	D	$0.00	4843.00	D
Common Stock	5/29/2020		M		3985.00	A	$101.19	8828.00	D
Common Stock	5/29/2020		S		3985.00	D	$260.00	4843.00	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 of Derivative Security: 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
Stock Option (Right to Buy)	$101.19	5/29/2020		M			3985.00	10/26/2017	10/27/2026	Common Stock	3985.00	$0.00	0.00	D
Stock Option (right to buy)	$201.64							(2)	10/24/2029	Common Stock	2011.00		2011.00	D
Stock Option (right to buy)	$179.84							10/24/2019	10/25/2028	Common Stock	1898.00		1898.00	D
Stock Option (right to buy)	$125.05							10/25/2018	10/26/2027	Common Stock	3125.00		3125.00	D
Stock Option (Right to Buy)	$87.34							10/29/2016	10/28/2025	Common Stock	4260.00		4260.00	D
Stock Options (Right to buy)	$125.05							10/25/2018	10/26/2027	Common Stock	3125.00		3125.00	D
Stock Options (Right to Buy)	$91.78							10/30/2014	10/30/2024	Common Stock	4000.00		4000.00	D
Stock Options (Right to Buy)	$87.83							5/15/2014	5/15/2024	Common Stock	2000.00		2000.00	D

Explanation of Responses:
(1)	Represents a transfer of shares to a charitable donor advised fund. The reporting person retained no pecuniary interest in the transferred shares.
(2)	The option vests on the earlier of the one year anniversary of the grant date (10/24/2019) or the date of Bio-Techne 2020 annual meeting of shareholders.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
WIENS HAROLD J 614 MCKINLEY PLACE NE MINNEAPOLIS, MN 55413	X

Signatures
/s/ Brenda S. Furlow, attorney in fact for Harold J. Wiens pursuant to Power of Attorney previously filed		6/2/2020
**Signature of Reporting Person		Date