GEIST WILLIAM

PrivateCIK: 1832210

Location

MINNEAPOLIS, MN

GEIST WILLIAM

Filed: 8/19/2026ACC: 0000914190-26-000130

InsiderGEIST WILLIAMCIK 1832210

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IssuerBIO-TECHNE CORPCIK 842023

Officer· President, Protein Sciences

Since Jan 2022

+38.75K

Net shares

Net buyer

$0.00

Total acquired

0

Open market trades

0B · 0S

2

Total transactions

38.75K acquired

Non-Derivative Transactions0

No non-derivative transactions reported

Derivative Transactions2

Restricted Stock Units

Direct

A · Award

Converts to

Common Stock

14.76K shares

Shares

+14.76K

Strike price

Held after

14.76K

Exercisable

—

8/17/2026

Restricted Stock Units

Direct

A · Award

Converts to

Common Stock

23.98K shares

Shares

+23.98K

Strike price

Held after

23.98K

Exercisable

—

8/17/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common Stock14.76K shares	8/17/2026	A · Award	+14.76K		—	14.76K
Restricted Stock Units Direct	Common Stock23.98K shares	8/17/2026	A · Award	+23.98K		—	23.98K

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Direct

Shares owned24.94K

Total

24.94K direct24.94K

Security Title	Shares Owned	Ownership Type
Common Stock	24.94K	Direct
Total	24.94K	24.94K direct

Derivative Holdings (Post-Transaction)10

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

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

1.53K

Shares owned

1.53K

Exercise price

84.61

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 Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

19.36K

Shares owned

19.36K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

3.23K

Shares owned

6.45K

Exercise price

Expiration

—

Exercise window

—

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

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

2.62K

Shares owned

2.62K

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

15.91K

Shares owned

15.91K

Exercise price

100.39

Expiration

—

Exercise window

—

Total

Underlying

164K

Owned

167.23K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Options (Right to Buy) Direct	Common Stock	74.91	—	—	21.20K	21.20K
Stock Options (Right to Buy) Direct	Common Stock	84.61	—	—	30.06K	30.06K
Stock Options (Right to Buy) Direct	Common Stock	84.61	—	—	1.53K	1.53K
Performance Restricted Stock Units Direct	Common Stock		—	—	15.74K	15.74K
Performance Restricted Stock Units Direct	Common Stock		—	—	19.36K	19.36K
Restricted Stock Units Direct	Common Stock		—	—	3.23K	6.45K
Stock Options (Right to Buy) Direct	Common Stock	53.60	—	—	24.76K	24.76K
Restricted Stock Units Direct	Common Stock		—	—	2.62K	2.62K
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					164K	167.23K