Company: NEOG
Filing Date: 2025-10-28
Form Type: 8-K/A
Source: 0001193125-25-252843
Chunk: 1

Company: NEOGEN CORP
Filing Date: 2025-10-28
Form: 8-K/A
Chunk 1
---
 extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Explanatory Note This Form 8-K/A amends the Form 8-K filed on August 14, 2025 to include the newly appointed director's committee appointments, which were determined subsequent to the original filing. Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Subsequent to issuing its original announcement that Avi Pelossof was appointed to its Board of Directors, effective October 24, 2025, Mr. Pelossof has been appointed to serve on the Audit and Compensation and Talent Management Committees. Item 9.01 Financial Statements and Exhibits. (d) Exhibits

| 104 |     | Cover Page Interactive Data File (embedded within the Inline XBRL document). |

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

| Date: | October 28, 2025 | By: | NEOGEN CORPORATION                                           
 /s/ Amy M. Rocklin                                           |
|:------|:-----------------|:----|:-------------------------------------------------------------|
|       |                  |     | Name: Amy M. Rocklin                                         
 Title: Chief Legal & Compliance Officer, Corporate Secretary |