GEIST WILLIAM (President, Protein Sciences) exercised options at BIO-TECHNE CORP

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

M · 1 exercise

GEIST WILLIAM

Filed: 11/5/2025ACC: 0000914190-25-000029

InsiderGEIST WILLIAMCIK 1832210

→

IssuerBIO-TECHNE CORPCIK 842023

Officer· President, Protein Sciences

Since Jan 2022

-4.52K

Net shares

Net seller

$282.8K

Total sold

Open market trades

0B · 0S

Total transactions

9.91K acquired · 14.43K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+9.91K

Price / share

—

Trade value

—

% of position

65.6%

11/3/2025

15.11K→25.02K

Common Stock

Direct

F · Tax Withholding

−4.52K

Price / share

$62.57

Trade value

$282.82K

% of position

18.1%

11/3/2025

25.02K→20.50K

Total

Net shares

+5.39K

Net value

-$282.82K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	11/3/2025	M · Option Exercise	+9.91K	—	—	65.6%	15.11K	25.02K
Common Stock Direct	11/3/2025	F · Tax Withholding	−4.52K	$62.57	$282.82K	18.1%	25.02K	20.50K
Total			+5.39K		-$282.82K

Derivative Transactions1

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

9.91K shares

−9.91K

Strike price

Held after

0.00

Exercisable

—

11/3/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common Stock9.91K shares	11/3/2025	M · Option Exercise	−9.91K		—	0.00

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)11

Stock Options (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

24.76K

Shares owned

24.76K

Exercise price

53.60

Expiration

—

Exercise window

—

Stock Options (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

15.91K

Shares owned

15.91K

Exercise price

100.39

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

9.68K

Shares owned

9.68K

Exercise price

Expiration

—

Exercise window

—

Performance Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

19.36K

Shares owned

19.36K

Exercise price

Expiration

—

Exercise window

—

Performance Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

15.74K

Shares owned

15.74K

Exercise price

Expiration

—

Exercise window

—

Performance Stock Options (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

24.42K

Shares owned

24.42K

Exercise price

84.61

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

5.25K

Shares owned

5.25K

Exercise price

Expiration

—

Exercise window

—

Stock Options (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

29.60K

Shares owned

29.60K

Exercise price

94.52

Expiration

—

Exercise window

—

Stock Options (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

21.20K

Shares owned

21.20K

Exercise price

74.91

Expiration

—

Exercise window

—

Performance Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

9.07K

Shares owned

9.07K

Exercise price

Expiration

—

Exercise window

—

Stock Options (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

30.06K

Shares owned

30.06K

Exercise price

84.61

Expiration

—

Exercise window

—

Total

Underlying

205.05K

Owned

205.05K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Options (Right to Buy) Direct	Common Stock	53.60	—	—	24.76K	24.76K
Stock Options (Right to Buy) Direct	Common Stock	100.39	—	—	15.91K	15.91K
Restricted Stock Units Direct	Common Stock		—	—	9.68K	9.68K
Performance Restricted Stock Units Direct	Common Stock		—	—	19.36K	19.36K
Performance Restricted Stock Units Direct	Common Stock		—	—	15.74K	15.74K
Performance Stock Options (Right to Buy) Direct	Common Stock	84.61	—	—	24.42K	24.42K
Restricted Stock Units Direct	Common Stock		—	—	5.25K	5.25K
Stock Options (Right to Buy) Direct	Common Stock	94.52	—	—	29.60K	29.60K
Stock Options (Right to Buy) Direct	Common Stock	74.91	—	—	21.20K	21.20K
Performance Restricted Stock Units Direct	Common Stock		—	—	9.07K	9.07K
Stock Options (Right to Buy) Direct	Common Stock	84.61	—	—	30.06K	30.06K
Total					205.05K	205.05K