Neogen Corporation
Last updated September 27, 2026
Organization details
- Legal name
- Neogen Corporation
- Ownership
- Public
- Status
- Active
- SIC code
- 2835 — In Vitro & In Vivo Diagnostic Substances
- Jurisdiction of incorporation
- Michigan
- Headquarters city
- Lansing
- Headquarters state / province
- Michigan
- Headquarters country
- United States
- Fiscal year end
- May
- Ticker symbol
- NEOG
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000711377
- EIN
- 38-2367843
Board of directors
-
Aashima Gupta · DirectorSince 2023
-
Andrea F. Wainer · DirectorSince 2025
-
Avi Pelossof · DirectorSince 2025
-
Catherine E. Woteki · DirectorSince 2023
-
James C. Borel · DirectorSince 2023
-
James P. Tobin · DirectorSince 2023
-
Jeffrey D. Capello · DirectorSince 2023
-
John Edward Adent · Director · President & CEOSince 2023
-
Mikheal Nassif · Director · CEOSince 2025
-
Rafael A. Rodriguez · DirectorSince 2023
-
Ronald D. Green · DirectorSince 2023
-
Thierry Bernard · DirectorSince 2024
-
William T. Boehm · DirectorSince 2023
Chief executives
Mikheal Nassif
· CEO
Since August 2025
John Edward Adent
· President & CEO
Until August 2025
· Former
Director election results
Annual meeting of October 23, 2025. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
91.2%
-
91.5%
-
92.8%
-
92.8%
Board connections
4 of this board's directors also sit on 4 other boards.
- via Jeffrey D. Capello
- via Andrea F. Wainer
- via Thierry Bernard
- via Aashima Gupta
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $7,492
- 6 purchases by 1 insider
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 19, 2026 | Moylan John Patrick Officer (Chief Accounting Officer) | Shares withheld for tax | −2,365 | $11.87 | $28,073 |
| Aug 19, 2026 | Mikheal Nassif Director, Officer (CEO) | Shares withheld for tax | −20,397 | $11.87 | $242,112 |
| Aug 14, 2026 | Moylan John Patrick Officer (Chief Accounting Officer) | Grant or award | +8,584 | $11.65 | $100,004 |
| Aug 14, 2026 | Mikheal Nassif Director, Officer (CEO) | Grant or award | +141,631 | $11.65 | $1,650,001 |
| Aug 14, 2026 | Richard Bryan Riggsbee Officer (CFO) | Grant or award | +51,502 | $11.65 | $599,998 |
| Aug 14, 2026 | Jennifer Evans Stacey Officer (Chief Legal Officer) | Grant or award | +38,627 | $11.65 | $450,005 |
| Aug 14, 2026 | Ranalli Tamara A. Officer (Senior Vice President) | Grant or award | +25,751 | $11.65 | $299,999 |
| Aug 4, 2026 | Mikheal Nassif Director, Officer (CEO) | Open-market purchase | +370 | $11.81 | $4,370 |
| Jun 3, 2026 | Moylan John Patrick Officer (Chief Accounting Officer) | Shares withheld for tax | −2,553 | $8.75 | $22,339 |
| May 18, 2026 | Rocklin Amy M Officer (Former Chief Legal Officer) | Option exercise | +35,183 | $9.29 | $326,850 |
| May 18, 2026 | Rocklin Amy M Officer (Former Chief Legal Officer) | Shares withheld for tax | −10,241 | $9.29 | $95,139 |
| May 4, 2026 | Moylan John Patrick Officer (Chief Accounting Officer) | Option exercise | +4,558 | $9.53 | $43,438 |
| May 4, 2026 | Moylan John Patrick Officer (Chief Accounting Officer) | Shares withheld for tax | −1,568 | $9.53 | $14,943 |
| May 1, 2026 | Jennifer Evans Stacey Officer (Chief Legal Officer) | Grant or award | +39,349 | $9.53 | $374,996 |
| Feb 17, 2026 | Mikheal Nassif Director, Officer (CEO) | Open-market purchase | +23 | $10.94 | $252 |
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