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: 8/18/2026ACC: 0000914190-26-000120

InsiderGEIST WILLIAMCIK 1832210

→

IssuerBIO-TECHNE CORPCIK 842023

Officer· President, Protein Sciences

Since Jan 2022

-33.38K

Net shares

Net seller

$143.1K

Total sold

Open market trades

0B · 0S

Total transactions

6.42K acquired · 39.80K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+6.42K

Price / share

—

Trade value

—

% of position

31.3%

8/15/2026

20.50K→26.92K

Common Stock

Direct

F · Tax Withholding

−1.98K

Price / share

$72.40

Trade value

$143.06K

% of position

7.3%

8/15/2026

26.92K→24.94K

Total

Net shares

+4.44K

Net value

-$143.06K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	8/15/2026	M · Option Exercise	+6.42K	—	—	31.3%	20.50K	26.92K
Common Stock Direct	8/15/2026	F · Tax Withholding	−1.98K	$72.40	$143.06K	7.3%	26.92K	24.94K
Total			+4.44K		-$143.06K

Derivative Transactions5

Performance Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

567.00 shares

−567.00

Strike price

Held after

8.51K

Exercisable

—

8/15/2026

Performance Restricted Stock Units

Direct

D · Disposition

Converts to

Common Stock

8.51K shares

−8.51K

Strike price

Held after

0.00

Exercisable

—

8/15/2026

Performance Stock Options (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

22.90K shares

−22.90K

Strike price

84.61

Held after

1.53K

Exercisable

—

8/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

2.62K shares

−2.62K

Strike price

Held after

2.62K

Exercisable

—

8/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

3.23K shares

−3.23K

Strike price

Held after

6.45K

Exercisable

—

8/15/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Performance Restricted Stock Units Direct	Common Stock567.00 shares	8/15/2026	M · Option Exercise	−567.00		—	8.51K
Performance Restricted Stock Units Direct	Common Stock8.51K shares	8/15/2026	D · Disposition	−8.51K		—	0.00
Performance Stock Options (Right to Buy) Direct	Common Stock22.90K shares	8/15/2026	D · Disposition	−22.90K	84.61	—	1.53K
Restricted Stock Units Direct	Common Stock2.62K shares	8/15/2026	M · Option Exercise	−2.62K		—	2.62K
Restricted Stock Units Direct	Common Stock3.23K shares	8/15/2026	M · Option Exercise	−3.23K		—	6.45K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)7

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

—

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

—

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

—

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

—

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

15.91K

Shares owned

15.91K

Exercise price

100.39

Expiration

—

Exercise window

—

Total

Underlying

156.63K

Owned

156.63K

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
Performance Restricted Stock Units Direct	Common Stock		—	—	19.36K	19.36K
Performance Restricted Stock Units Direct	Common Stock		—	—	15.74K	15.74K
Stock Options (Right to Buy) Direct	Common Stock	84.61	—	—	30.06K	30.06K
Stock Options (Right to Buy) Direct	Common Stock	74.91	—	—	21.20K	21.20K
Stock Options (Right to Buy) Direct	Common Stock	94.52	—	—	29.60K	29.60K
Stock Options (Right to Buy) Direct	Common Stock	100.39	—	—	15.91K	15.91K
Total					156.63K	156.63K