HERR AMY E. exercised options at BIO-TECHNE CORP

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise

HERR AMY E.

Filed: 2/5/2026ACC: 0000914190-26-000011

InsiderHERR AMY E.CIK 2055523

→

IssuerBIO-TECHNE CORPCIK 842023

Director

Since Feb 2026

-16.00

Net shares

Net seller

$1.0K

Total sold

Open market trades

0B · 0S

Total transactions

38.00 acquired · 54.00 disposed

Non-Derivative Transactions2

Common Stock

Indirect

M · Option Exercise

+38.00

Price / share

—

Trade value

—

% of position

1.8%

2/3/2026

2.15K→2.19K

Common Stock

Indirect

F · Tax Withholding

−16.00

Price / share

$64.63

Trade value

$1.03K

% of position

0.7%

2/3/2026

2.19K→2.18K

Total

Net shares

+22.00

Net value

-$1.03K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	2/3/2026	M · Option Exercise	+38.00	—	—	1.8%	2.15K	2.19K
Common Stock Indirect	2/3/2026	F · Tax Withholding	−16.00	$64.63	$1.03K	0.7%	2.19K	2.18K
Total			+22.00		-$1.03K

Derivative Transactions1

Restricted Stock Units

Indirect

M · Option Exercise

Converts to

Common Stock

38.00 shares

−38.00

Strike price

Held after

77.00

Exercisable

—

2/3/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Indirect	Common Stock38.00 shares	2/3/2026	M · Option Exercise	−38.00		—	77.00

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Direct

Shares owned2.68K

Total

2.68K direct2.68K

Security Title	Shares Owned	Ownership Type
Common Stock	2.68K	Direct
Total	2.68K	2.68K direct

Derivative Holdings (Post-Transaction)13

Stock Option (Right to Buy)

Indirect

Underlying security

Common Stock

Underlying shares

2.73K

Shares owned

2.73K

Exercise price

53.60

Expiration

—

Exercise window

—

Restricted Stock Units

Indirect

Underlying security

Common Stock

Underlying shares

932.00

Shares owned

932.00

Exercise price

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Indirect

Underlying security

Common Stock

Underlying shares

1.47K

Shares owned

1.47K

Exercise price

74.91

Expiration

—

Exercise window

—

Restricted Stock Units

Indirect

Underlying security

Common Stock

Underlying shares

118.00

Shares owned

118.00

Exercise price

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Indirect

Underlying security

Common Stock

Underlying shares

1.08K

Shares owned

1.08K

Exercise price

84.61

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Indirect

Underlying security

Common Stock

Underlying shares

6.64K

Shares owned

6.64K

Exercise price

47.60

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

3.78K

Shares owned

3.78K

Exercise price

60.96

Expiration

—

Exercise window

—

Restricted Stock Units

Indirect

Underlying security

Common Stock

Underlying shares

320.00

Shares owned

320.00

Exercise price

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Indirect

Underlying security

Common Stock

Underlying shares

344.00

Shares owned

344.00

Exercise price

72.05

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Indirect

Underlying security

Common Stock

Underlying shares

2.10K

Shares owned

2.10K

Exercise price

94.52

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Indirect

Underlying security

Common Stock

Underlying shares

2.08K

Shares owned

2.08K

Exercise price

120.46

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

2.42K

Shares owned

2.42K

Exercise price

72.05

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Indirect

Underlying security

Common Stock

Underlying shares

4.47K

Shares owned

4.47K

Exercise price

66.97

Expiration

—

Exercise window

—

Total

Underlying

28.48K

Owned

28.48K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (Right to Buy) Indirect	Common Stock	53.60	—	—	2.73K	2.73K
Restricted Stock Units Indirect	Common Stock		—	—	932.00	932.00
Stock Option (Right to Buy) Indirect	Common Stock	74.91	—	—	1.47K	1.47K
Restricted Stock Units Indirect	Common Stock		—	—	118.00	118.00
Stock Option (Right to Buy) Indirect	Common Stock	84.61	—	—	1.08K	1.08K
Stock Option (Right to Buy) Indirect	Common Stock	47.60	—	—	6.64K	6.64K
Stock Option (Right to Buy) Direct	Common Stock	60.96	—	—	3.78K	3.78K
Restricted Stock Units Indirect	Common Stock		—	—	320.00	320.00
Stock Option (Right to Buy) Indirect	Common Stock	72.05	—	—	344.00	344.00
Stock Option (Right to Buy) Indirect	Common Stock	94.52	—	—	2.10K	2.10K
Stock Option (Right to Buy) Indirect	Common Stock	120.46	—	—	2.08K	2.08K
Stock Option (Right to Buy) Direct	Common Stock	72.05	—	—	2.42K	2.42K
Stock Option (Right to Buy) Indirect	Common Stock	66.97	—	—	4.47K	4.47K
Total					28.48K	28.48K