Company: NEOG
Filing Date: 2025-09-12
Form Type: DEF 14A
Source: 0000950170-25-114381
Chunk: 2

Company: NEOGEN CORP
Filing Date: 2025-09-12
Form: DEF 14A
Chunk 2
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 be available during the Annual Meeting on the meeting website. |     |                                                                                                                          |     |                                                                                                           |

Under rules adopted by the SEC, we are furnishing proxy materials to our shareholders primarily via the internet this year. Shareholders of record have been mailed a Notice of Internet Availability of Proxy Materials on or around September 12, 2025, which provides them with instructions on how to vote and how to electronically access the proxy materials on the internet. It also provides them with instructions on how to request paper copies of these materials, should they so desire.

| Amy M. RocklinCorporate Secretary |

September 12, 2025

Neogen Corporation 620 Lesher Place Lansing, MI 48912 PROXY STATEMENT ANNUAL MEETING OF SHAREHOLDERS October 23, 2025 Table of Contents

|                                                                                                           | Page |
| General Information                                                                                       |    1 |
| Proposal 1—Election of Directors                                                                          |    5 |
| Proposal 2—To approve, on an advisory basis, the compensation of executives                               |   15 |
| Proposal 3—Ratification of the appointment of the Company’s independent registered public accounting firm |   17 |
| Security Ownership of Certain Beneficial Owners, Directors and Management                                 |   18 |
| Information about the Board and Corporate Governance Matters                                              |   20 |
| Information about our Executive Officers                                                                  |   25 |
| Compensation Discussion and Analysis                                                                      |   26 |
| Compensation Committee Report                                                                             |   40 |
| Executive Compensation                                                                                    |   41 |
| Pay versus Performance                                                                                    |   45 |
| CEO Pay Ratio                                                                                             |   52 |
| Compensation of Directors                                                                                 |   53 |
| Equity Compensation Plan Information                                                                      |   54 |
| Audit Committee Report                                                                                    |   55 |
| Additional Information                                                                                    |   56 |

#### General Information
<div align='center'>PROXY STATEMENT

ANNUAL MEETING OF SHAREHOLDERS

October 23, 2025</div>

General Information

We are providing this Proxy Statement to the shareholders of Neogen Corporation (“Neogen”, the “Company”, “we”, “us”, “our”) in connection with the solicitation of proxies by the Board of Directors of Neogen (the “Board”) for use at the 2025 Annual Meeting of Shareholders (the “Annual Meeting”) of Neogen Corporation to be held on Thursday, October 23, 2025, at 10