Company: NEOG
Filing Date: 2025-09-12
Form Type: DEF 14A
Source: 0000950170-25-114381
Chunk: 0

Company: NEOGEN CORP
Filing Date: 2025-09-12
Form: DEF 14A
Chunk 0
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box:

| ☐ |     | Preliminary Proxy Statement                                                      |
| ☐ |     | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e) (2)) |
| ☒ |     | Definitive Proxy Statement                                                       |
| ☐ |     | Definitive Additional Materials                                                  |
| ☐ |     | Soliciting Material Under Section 240.14a-12                                     |

Neogen Corporation (Name of Registrant as Specified In Its Charter) (Name of Person(s) Filing Proxy Statement if other than the Registrant) Payment of Filing Fee (Check all boxes that apply)

| ☒ |     | No fee required                                                                                     |
| ☐ |     | Fee paid previously with preliminary materials                                                      |
| ☐ |     | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

#### PROXY STATEMENT
| Message from President & CEOTo Our Shareholders: |

September 12, 2025 You are cordially invited to attend the 2025 Annual Meeting of Shareholders of Neogen Corporation on Thursday, October 23, 2025, at 10:00 a.m. Eastern Time. The 2025 Annual Meeting of Shareholders will be a completely virtual meeting conducted via webcast. Our goal for the Annual Meeting is to enable the broadest number of shareholders to participate in the meeting, while providing substantially the same access and exchange with the Board and management as an in-person meeting. You will be able to participate in the meeting online, vote your shares electronically and submit questions during the meeting by visiting www.virtualshareholdermeeting.com/NEOG2025. We are providing proxy materials to our shareholders primarily through the internet. We are using this process to facilitate our shareholders’ receipt of proxy materials in an expedited manner and to lower the costs of conducting our Annual Meeting. On or about September 12, 2025, we mailed to our shareholders of record (other than those who previously requested electronic delivery) a Notice of Internet Availability