HERR AMY E. sold 97.1% of their position (6.64K shares) of BIO-TECHNE CORP on the open market

Open‑market sale worth $320.4K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

HERR AMY E.

Filed: 5/12/2026ACC: 0000914190-26-000092

InsiderHERR AMY E.CIK 2055523

→

IssuerBIO-TECHNE CORPCIK 842023

Director

Since Feb 2026

-6.64K

Net shares

Net seller

$320.4K

Total sold

Open market trades

0B · 1S

Total transactions

6.64K acquired · 13.27K disposed

Non-Derivative Transactions2

Common Stock

Indirect

M · Option Exercise

+6.64K

Price / share

$47.60

Trade value

$315.87K

% of position

3318.0%

5/8/2026

200.00→6.84K

Common Stock

Indirect

S · Sale

−6.64K

Price / share

$48.28

Trade value

$320.39K

% of position

97.1%

5/8/2026

6.84K→200.00

Total

Net shares

+0.00

Net value

-$4.51K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	5/8/2026	M · Option Exercise	+6.64K	$47.60	$315.87K	3318.0%	200.00	6.84K
Common Stock Indirect	5/8/2026	S · Sale	−6.64K	$48.28	$320.39K	97.1%	6.84K	200.00
Total			+0.00		-$4.51K

Derivative Transactions1

Stock Option (Right to Buy)

Indirect

M · Option Exercise

Converts to

Common Stock

6.64K shares

−6.64K

Strike price

47.60

Held after

0.00

Exercisable

—

5/8/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Indirect	Common Stock6.64K shares	5/8/2026	M · Option Exercise	−6.64K	47.60	—	0.00

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

4.47K

Shares owned

4.47K

Exercise price

66.97

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)

Direct

Underlying security

Common Stock

Underlying shares

3.78K

Shares owned

3.78K

Exercise price

60.96

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)

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

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

1.47K

Shares owned

1.47K

Exercise price

74.91

Expiration

—

Exercise window

—

Restricted Stock Units

Indirect

Underlying security

Common Stock

Underlying shares

77.00

Shares owned

77.00

Exercise price

Expiration

—

Exercise window

—

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

118.00

Shares owned

118.00

Exercise price

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

1.08K

Shares owned

1.08K

Exercise price

84.61

Expiration

—

Exercise window

—

Restricted Stock Units

Indirect

Underlying security

Common Stock

Underlying shares

932.00

Shares owned

932.00

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

21.92K

Owned

21.92K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (Right to Buy) Indirect	Common Stock	66.97	—	—	4.47K	4.47K
Stock Option (Right to Buy) Direct	Common Stock	72.05	—	—	2.42K	2.42K
Stock Option (Right to Buy) Direct	Common Stock	60.96	—	—	3.78K	3.78K
Stock Option (Right to Buy) Indirect	Common Stock	120.46	—	—	2.08K	2.08K
Stock Option (Right to Buy) Indirect	Common Stock	94.52	—	—	2.10K	2.10K
Stock Option (Right to Buy) Indirect	Common Stock	72.05	—	—	344.00	344.00
Stock Option (Right to Buy) Indirect	Common Stock	74.91	—	—	1.47K	1.47K
Restricted Stock Units Indirect	Common Stock		—	—	77.00	77.00
Stock Option (Right to Buy) Indirect	Common Stock	53.60	—	—	2.73K	2.73K
Restricted Stock Units Indirect	Common Stock		—	—	118.00	118.00
Restricted Stock Units Indirect	Common Stock		—	—	320.00	320.00
Stock Option (Right to Buy) Indirect	Common Stock	84.61	—	—	1.08K	1.08K
Restricted Stock Units Indirect	Common Stock		—	—	932.00	932.00
Total					21.92K	21.92K