Neogen's top three insider shareholders as of September 29, 2026 are John Edward Adent (Former Ceo, 363.08K shares), Mikheal Nassif (Ceo, 141.63K shares), Douglas Edward Jones (Former Coo, 100.88K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | John Edward Adent | Former Ceo | 363,081 | 0 | 363,081 | 22.5% | 28 Oct, 2025 |
| 2 | Mikheal Nassif | Ceo | 167,286 | 632 | 167,918 | 10.4% | 20 Aug, 2026 |
| 3 | James C Borel | Director | 131,744 | 0 | 131,744 | 8.2% | 29 Oct, 2025 |
| 4 | Douglas Edward Jones | Former Coo | 100,881 | 0 | 100,881 | 6.2% | 28 Oct, 2025 |
| 5 | Amy M Rocklin | Former Chief Legal Officer | 92,638 | 0 | 92,638 | 5.7% | 19 May, 2026 |
| 6 | David H. Naemura | Former Cfo | 90,388 | 0 | 90,388 | 5.6% | 02 Dec, 2025 |
| 7 | William T Boehm | Director | 89,050 | 0 | 89,050 | 5.5% | 28 Oct, 2025 |
| 8 | James P Tobin | Director | 80,744 | 0 | 80,744 | 5.0% | 28 Oct, 2025 |
| 9 | Richard Bryan Riggsbee | Cfo | 51,502 | 0 | 51,502 | 3.2% | 14 Aug, 2026 |
| 10 | Jeffrey D Capello | Director | 48,342 | 0 | 48,342 | 3.0% | 29 Oct, 2025 |
| 11 | John Patrick Moylan | Chief Accounting Officer | 46,668 | 0 | 46,668 | 2.9% | 20 Aug, 2026 |
| 12 | Aashima Gupta | Director | 43,630 | 0 | 43,630 | 2.7% | 29 Oct, 2025 |
| 13 | Ronald D Green | Director | 41,358 | 0 | 41,358 | 2.6% | 29 Oct, 2025 |
| 14 | Jennifer Evans Stacey | Chief Legal Officer | 38,627 | 0 | 38,627 | 2.4% | 14 Aug, 2026 |
| 15 | Rafael A Rodriguez | Director | 38,218 | 0 | 38,218 | 2.4% | 27 Oct, 2025 |
| 16 | Catherine E Woteki | Director | 36,514 | 0 | 36,514 | 2.3% | 28 Oct, 2025 |
| 17 | Steven J. Quinlan | Vp Cfo | 32,722 | 0 | 32,722 | 2.0% | 11 Oct, 2022 |
| 18 | Jason Warren Lilly | Vice President | 26,744 | 0 | 26,744 | 1.7% | 17 Oct, 2023 |
| 19 | Tamara A. Ranalli | Senior Vice President | 25,751 | 0 | 25,751 | 1.6% | 14 Aug, 2026 |
| 20 | Thierry Bernard | Director | 25,389 | 0 | 25,389 | 1.6% | 27 Oct, 2025 |
| 21 | Andrea F Wainer | Director | 19,769 | 0 | 19,769 | 1.2% | 27 Oct, 2025 |
| 22 | Avi Pelossof | Director | 19,386 | 0 | 19,386 | 1.2% | 28 Oct, 2025 |
| 23 | Jerome L Hagedorn | Vice President, Na Operations | 2,571 | 0 | 2,571 | 0.2% | 27 Apr, 2023 |
| 24 | Darci L Vetter | Director | 1,384 | 0 | 1,384 | 0.1% | 17 Aug, 2022 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 19 Aug, 2026 | John Patrick Moylan | Chief Accounting Officer | Disposed F | 2,365 | $11.87 | $28.07K | 29,331 | Direct |
| 19 Aug, 2026 | Mikheal Nassif | Ceo | Disposed F | 20,397 | $11.87 | $242.11K | 25,655 | Direct |
| 14 Aug, 2026 | Tamara A. Ranalli | Senior Vice President | Acquired A | 25,751 | $11.65 | $300.00K | 25,751 | Direct |
| 14 Aug, 2026 | John Patrick Moylan | Chief Accounting Officer | Acquired A | 8,584 | $11.65 | $100.00K | 32,155 | Direct |
| 14 Aug, 2026 | Mikheal Nassif | Ceo | Acquired A | 141,631 | $11.65 | $1.65Mn | 141,631 | Direct |
| 14 Aug, 2026 | Jennifer Evans Stacey | Chief Legal Officer | Acquired A | 38,627 | $11.65 | $450.00K | 38,627 | Direct |
| 14 Aug, 2026 | Richard Bryan Riggsbee | Cfo | Acquired A | 51,502 | $11.65 | $600.00K | 51,502 | Direct |
| 14 Aug, 2026 | Tamara A. Ranalli | Senior Vice President | Acquired A | 130,851 | $0.00 | $0 | 130,851 | Direct |
| 14 Aug, 2026 | Mikheal Nassif | Ceo | Acquired A | 719,679 | $0.00 | $0 | 719,679 | Direct |
| 14 Aug, 2026 | Richard Bryan Riggsbee | Cfo | Acquired A | 261,702 | $0.00 | $0 | 261,702 | Direct |
| 14 Aug, 2026 | John Patrick Moylan | Chief Accounting Officer | Acquired A | 18,693 | $0.00 | $0 | 18,693 | Direct |
| 14 Aug, 2026 | Jennifer Evans Stacey | Chief Legal Officer | Acquired A | 196,276 | $0.00 | $0 | 196,276 | Direct |
| 04 Aug, 2026 | Mikheal Nassif | Ceo | Acquired P | 370 | $11.81 | $4.37K | 1,074 | Indirect |
| 03 Jun, 2026 | John Patrick Moylan | Chief Accounting Officer | Disposed F | 2,553 | $8.75 | $22.34K | 23,571 | Direct |
| 18 May, 2026 | Amy M Rocklin | Former Chief Legal Officer | Acquired M | 35,183 | $9.29 | $326.85K | 92,423 | Direct |
| 18 May, 2026 | Amy M Rocklin | Former Chief Legal Officer | Disposed F | 10,241 | $9.29 | $95.14K | 82,182 | Direct |
| 18 May, 2026 | Amy M Rocklin | Former Chief Legal Officer | Disposed M | 35,183 | $9.29 | $326.85K | 0 | Direct |
| 04 May, 2026 | John Patrick Moylan | Chief Accounting Officer | Acquired M | 4,558 | $9.53 | $43.44K | 18,905 | Direct |
| 04 May, 2026 | John Patrick Moylan | Chief Accounting Officer | Disposed F | 1,568 | $9.53 | $14.94K | 17,337 | Direct |
| 04 May, 2026 | John Patrick Moylan | Chief Accounting Officer | Disposed M | 4,558 | $9.53 | $43.44K | 4,558 | Direct |