20 insiders reported 106 Form 4 transactions for NEOGEN CORP (NEOG) over the past 18 months (most recent 2026-08-20). Recent activity: Nassif Mikheal (CEO) Sell 20,397 shares, Moylan John Patrick (Chief Accounting Officer) Sell 2,365 shares, Stacey Jennifer Evans (Chief Legal Officer) Buy 38,627 shares, Riggsbee Richard Bryan (CFO) Buy 51,502 shares, Ranalli Tamara A. (Senior Vice President) Buy 25,751 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-20 | Nassif Mikheal | CEO | Sell | 20,397 | $242,112 |
| 2026-08-20 | Moylan John Patrick | Chief Accounting Officer | Sell | 2,365 | $28,073 |
| 2026-08-14 | Stacey Jennifer Evans | Chief Legal Officer | Buy | 38,627 | $450,005 |
| 2026-08-14 | Riggsbee Richard Bryan | CFO | Buy | 51,502 | $599,998 |
| 2026-08-14 | Ranalli Tamara A. | Senior Vice President | Buy | 25,751 | $299,999 |
| 2026-08-14 | Moylan John Patrick | Chief Accounting Officer | Buy | 8,584 | $100,004 |
| 2026-08-14 | Nassif Mikheal | CEO | Buy | 141,631 | $1.7M |
| 2026-08-06 | Nassif Mikheal | CEO | Buy | 370 | $4,370 |
| 2026-06-04 | Moylan John Patrick | Chief Accounting Officer | Sell | 2,553 | $22,339 |
| 2026-05-19 | Rocklin Amy M | Former Chief Legal Officer | Buy | 35,183 | $326,850 |
| 2026-05-19 | Rocklin Amy M | Former Chief Legal Officer | Sell | 10,241 | $95,139 |
| 2026-05-05 | Moylan John Patrick | Chief Accounting Officer | Sell | 1,568 | $14,943 |
| 2026-05-05 | Moylan John Patrick | Chief Accounting Officer | Buy | 4,558 | $43,438 |
| 2026-05-04 | Stacey Jennifer Evans | Chief Legal Officer | Buy | 39,349 | $374,996 |
| 2026-02-17 | Nassif Mikheal | CEO | Buy | 23 | $252 |
| 2026-02-02 | Nassif Mikheal | CEO | Buy | 25 | $246 |
| 2026-02-02 | Nassif Mikheal | CEO | Buy | 24 | $240 |
| 2026-01-29 | Ranalli Tamara A. | Senior Vice President | Buy | 50,813 | $375,000 |
| 2026-01-29 | Ranalli Tamara A. | Senior Vice President | Buy | 50,813 | $375,000 |
| 2026-01-26 | Ranalli Tamara A. | Senior Vice President | Buy | 50,813 | $375,000 |
| 2026-01-16 | Nassif Mikheal | CEO | Buy | 137 | $1,278 |
| 2025-12-02 | Naemura David H. | Former CFO | Buy | 12,912 | $77,214 |
| 2025-12-02 | Naemura David H. | Former CFO | Sell | 3,548 | $21,217 |
| 2025-11-07 | Nassif Mikheal | CEO | Buy | 177 | $1,106 |
| 2025-11-05 | Riggsbee Richard Bryan | CFO | Buy | 178,855 | $1.1M |
Source: SEC Form 4 filings · as of 2026-08-20