John Edward Adent
President & CEO at Neogen Corporation
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 1 board, counting each seat separately. Longest: Neogen Corporation, 3 years.
Neogen Corporation
Director · President & CEO
Chief executive roles
Neogen Corporation
· President & CEO
Until August 2025
· Former
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.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Oct 27, 2025 | Neogen Corporation | Option exercise | +38,759 | $6.19 | $239,918 |
| Oct 27, 2025 | Neogen Corporation | Shares withheld for tax | −8,527 | $6.19 | $52,782 |
| Oct 13, 2025 | Neogen Corporation | Option exercise | +3,063 | $6.04 | $18,501 |
| Oct 13, 2025 | Neogen Corporation | Shares withheld for tax | −865 | $6.04 | $5,225 |
| Oct 7, 2025 | Neogen Corporation | Option exercise | +32,936 | $5.63 | $185,430 |
| Oct 7, 2025 | Neogen Corporation | Shares withheld for tax | −9,297 | $5.63 | $52,342 |
| Aug 18, 2025 | Neogen Corporation | Option exercise | +35,736 | $5.43 | $194,046 |
| Apr 28, 2025 | Neogen Corporation | Option exercise | +2,112 | $5.16 | $10,898 |
| Jan 16, 2025 | Neogen Corporation | Open-market purchase | +23,035 | $11.03 | $254,076 |
| Oct 28, 2024 | Neogen Corporation | Option exercise | +38,760 | $13.81 | $535,276 |
| Oct 28, 2024 | Neogen Corporation | Shares withheld for tax | −11,280 | $13.81 | $155,777 |
| Oct 14, 2024 | Neogen Corporation | Option exercise | +3,064 | $14.43 | $44,214 |
| Oct 14, 2024 | Neogen Corporation | Shares withheld for tax | −892 | $14.43 | $12,872 |
| Oct 11, 2024 | Neogen Corporation | Open-market purchase | +14,500 | $13.80 | $200,100 |
| Oct 7, 2024 | Neogen Corporation | Option exercise | +32,937 | $15.07 | $496,361 |
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