Updated Jul 16, 2026 · Last SEC filing 2026-06-04
NEOGEN CORP (NEOG) has filed 4 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-04. 1 Form 8-K material event filings were reported by NEOG in the last 90 days. 2 Form 144 notices of proposed sale were filed for NEOG stock. InsiderAlpha tracks every NEOG SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | In Vitro & In Vivo Diagnostic Substances (SIC 2835) |
|---|---|
| SEC CIK | 0000711377 |
| Form 4 filings (90d) | 4 |
|---|---|
| Form 8-K filings (90d) | 1 |
| Form 144 notices (90d) | 2 |
| Latest Form 4 filing | 2026-06-04 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Moylan John Patrick | Chief Accounting Officer | F — Tax withholding / forfeiture | 2.6K | $8.75 | $22K | SEC | |
| Rocklin Amy M | Former Chief Legal Officer | F — Tax withholding / forfeiture | 10.2K | $9.29 | $95K | SEC | |
| Rocklin Amy M | Former Chief Legal Officer | M — Option exercise | 35.2K | $9.29 | $327K | SEC | |
| Moylan John Patrick | Chief Accounting Officer | F — Tax withholding / forfeiture | 1.6K | $9.53 | $15K | SEC | |
| Moylan John Patrick | Chief Accounting Officer | M — Option exercise | 4.6K | $9.53 | $43K | SEC | |
| Stacey Jennifer Evans | Chief Legal Officer | A — Grant or award | 39.3K | $9.53 | $375K | SEC | |
| Nassif Mikheal | CEO | P — Open-market purchase | 23 | $10.94 | $252 | SEC | |
| Nassif Mikheal | CEO | P — Open-market purchase | 24 | $10.00 | $240 | SEC | |
| Nassif Mikheal | CEO | P — Open-market purchase | 25 | $9.86 | $246 | SEC | |
| Nassif Mikheal | CEO | P — Open-market purchase | 137 | $9.33 | $1K | SEC | |
| Ranalli Tamara A. | Senior Vice President | A — Grant or award | 50.8K | $7.38 | $375K | SEC | |
| Ranalli Tamara A. | Senior Vice President | A — Grant or award | 50.8K | $7.38 | $375K | SEC | |
| Ranalli Tamara A. | Senior Vice President | A — Grant or award | 50.8K | $7.38 | $375K | SEC | |
| Jones Douglas Edward | Former COO | F — Tax withholding / forfeiture | 383 | $6.04 | $2K | SEC | |
| Jones Douglas Edward | Former COO | M — Option exercise | 783 | $6.04 | $5K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for NEOGEN CORP (NEOG). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Moylan John Patrick | 4 | $124K |
| Rocklin Amy M | 3 | $749K |
| Stacey Jennifer Evans | 2 | $375K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in NEOG insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
Open the live NEOG dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.