Amy E. Herr - 08 May 2026 Form 4 Insider Report for BIO-TECHNE Corp (TECH)

Reporting relationship: Director
Issuer ticker: TECH
Reported as of: 08 May 2026
Net transaction value: -$320,386
SEC form: 4
Accepted by SEC: 12 May 2026, 16:04:02 UTC
Prior SEC filing: 19 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Andrew Nick as Attorney-in-Fact for Amy E. Herr pursuant to Power of Attorney previously filed

Key filing fact

Amy E. Herr filed Form 4 for BIO-TECHNE Corp (TECH) on 12 May 2026.

Key facts

This page summarizes Amy E. Herr's Form 4 filing for BIO-TECHNE Corp (TECH).
3 reported transactions and 14 derivative rows are listed below.
Accepted by SEC: 12 May 2026, 16:04.

Change

Previous filing in this sequence was filed on 19 Feb 2026.
Current net transaction value: -$320,386.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002055523 Primary reporting owner

Herr Amy E.

Relationship: Director
Address: 614 MCKINLEY PLACE NE, MINNEAPOLIS
Signature: /s/ Andrew Nick as Attorney-in-Fact for Amy E. Herr pursuant to Power of Attorney previously filed
Signature date: 12 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TECH transaction

Common Stock

Options Exercise

Transaction value
Shares: +6,636
Change %: +3318%
Price: $47.60^*
Shares after: 6,836
Date: 08 May 2026
Ownership: By significant other

TECH transaction

Common Stock

Sale

Transaction value: $320,386
Shares: -6,636
Change %: -97%
Price: $48.28
Shares after: 200
Date: 08 May 2026
Ownership: By significant other
Footnotes: F1

TECH holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,680
Date: 08 May 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

TECH transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -6,636
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 08 May 2026
Ownership: By significant other
Underlying class: Common Stock
Underlying amount: 6,636
Exercise price: $47.60
Footnotes: F3

TECH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,415
Date: 08 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,415
Exercise price: $72.05

TECH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,777
Date: 08 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,777
Exercise price: $60.96
Footnotes: F2

TECH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,472
Date: 08 May 2026
Ownership: By significant other
Underlying class: Common Stock
Underlying amount: 4,472
Exercise price: $66.97
Footnotes: F3

TECH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,076
Date: 08 May 2026
Ownership: By significant other
Underlying class: Common Stock
Underlying amount: 2,076
Exercise price: $120.46
Footnotes: F3

TECH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,104
Date: 08 May 2026
Ownership: By significant other
Underlying class: Common Stock
Underlying amount: 2,104
Exercise price: $94.52
Footnotes: F4

TECH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,084
Date: 08 May 2026
Ownership: By significant other
Underlying class: Common Stock
Underlying amount: 1,084
Exercise price: $84.61
Footnotes: F5

TECH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,468
Date: 08 May 2026
Ownership: By significant other
Underlying class: Common Stock
Underlying amount: 1,468
Exercise price: $74.91
Footnotes: F6

TECH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 344
Date: 08 May 2026
Ownership: By significant other
Underlying class: Common Stock
Underlying amount: 344
Exercise price: $72.05
Footnotes: F7

TECH holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 118
Date: 08 May 2026
Ownership: By significant other
Underlying class: Common Stock
Underlying amount: 118
Exercise price
Footnotes: F8, F9

TECH holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 320
Date: 08 May 2026
Ownership: By significant other
Underlying class: Common Stock
Underlying amount: 320
Exercise price
Footnotes: F8, F9, F10

TECH holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 77
Date: 08 May 2026
Ownership: By significant other
Underlying class: Common Stock
Underlying amount: 77
Exercise price
Footnotes: F8, F10, F11

TECH holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 932
Date: 08 May 2026
Ownership: By significant other
Underlying class: Common Stock
Underlying amount: 932
Exercise price
Footnotes: F8, F11, F12

TECH holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,735
Date: 08 May 2026
Ownership: By significant other
Underlying class: Common Stock
Underlying amount: 2,735
Exercise price: $53.60
Footnotes: F13

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 13 footnotes

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.19 to $48.31, inclusive. The reporting person undertakes to provide Bio-Techne Corporation, any security holder of Bio-Techne Corporation, or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Footnote F2

This option vests on the earlier of the one year anniversary of the grant date (10/30/2025) or the date of Bio-Techne's 2026 annual meeting of shareholders.

Footnote F3

Fully vested.

Footnote F4

Options to purchase 528 shares vest on 8/15/2023 and 8/15/2025; and options to purchase 524 shares vest on 8/15/2024 and 8/15/2026.

Footnote F5

Options to purchase 271 shares vest on each of 8/15/2024, 8/15/2025, 8/15/2026 and 8/15/2027.

Footnote F6

Options to purchase 367 shares vest on each of 8/15/2025, 8/15/2026, 8/15/2027 and 8/15/2028.

Footnote F7

Options to purchase 86 shares vest on each of 2/3/2026, 2/3/2027, 2/3/2028 and 2/3/2029.

Footnote F8

Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock.

Footnote F9

118 restricted stock units vest on 8/15/2026.

Footnote F10

160 restricted stock units vest on each of 8/15/2026 and 8/15/2027.

Footnote F11

38 restricted stock units vest on 2/3/2027 and 39 restricted stock units vest on 2/3/2028.

Footnote F12

311 restricted stock units vest on each of 8/15/2026 and 8/15/2027, and 310 restricted stock units vest on 8/15/2028.

Footnote F13

Options to purchase 912 shares vest on each of 8/15/2026 and 8/15/2027, and options to purchase 911 shares vest on 8/15/2028.