As of June 18, 2026, the three largest insider holders of NEOG are Mikheal Nassif (Ceo, 598.53K shares), John Edward Adent (Former Ceo, 363.08K shares), Richard Bryan Riggsbee (Cfo, 178.85K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Rafael A Rodriguez | - | 20,821 | 0 | 27 Oct, 2025 |
| William T Boehm | - | 47,913 | 0 | 28 Oct, 2025 |
| Jeffrey D Capello | - | 32,502 | 0 | 29 Oct, 2025 |
| James C Borel | - | 96,347 | 0 | 29 Oct, 2025 |
| Avi Pelossof | - | 19,386 | 0 | 28 Oct, 2025 |
| Steven J. Quinlan | Vp Cfo | 32,722 | 0 | 11 Oct, 2022 |
| Richard Bryan Riggsbee | Cfo | 178,855 | 0 | 05 Nov, 2025 |
| Ronald D Green | - | 22,704 | 0 | 28 Oct, 2024 |
| John Edward Adent | Former Ceo | 363,081 | 0 | 28 Oct, 2025 |
| James P Tobin | - | 43,347 | 0 | 28 Oct, 2025 |
| Darci L Vetter | - | 1,384 | 0 | 17 Aug, 2022 |
| David H. Naemura | Former Cfo | 90,388 | 0 | 02 Dec, 2025 |
| Andrea F Wainer | - | 19,769 | 0 | 27 Oct, 2025 |
| Jason Warren Lilly | Vice President | 26,744 | 0 | 17 Oct, 2023 |
| Thierry Bernard | - | 19,769 | 0 | 27 Oct, 2025 |
| Tamara A. Ranalli | Senior Vice President | 50,813 | 0 | 29 Jan, 2026 |
| Jerome L Hagedorn | Vice President, Na Operations | 2,571 | 0 | 27 Apr, 2023 |
| Catherine E Woteki | - | 19,117 | 0 | 28 Oct, 2025 |
| Douglas Edward Jones | Former Coo | 100,881 | 0 | 28 Oct, 2025 |
| Aashima Gupta | - | 27,790 | 0 | 29 Oct, 2025 |
| Amy M Rocklin | Chief Legal Officer | 57,240 | 0 | 28 Oct, 2025 |
| John Patrick Moylan | Chief Accounting Officer | 14,347 | 0 | 20 Aug, 2025 |
| Mikheal Nassif | Ceo | 598,527 | 0 | 19 Aug, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 17 Feb, 2026 | Mikheal Nassif | Common Stock | A | 23 | $10.94 | 704 | I | P |
| 17 Feb, 2026 | Mikheal Nassif | Common Stock | A | 23 | $10.94 | 704 | I | P |
| 26 Jan, 2026 | Mikheal Nassif | Common Stock | A | 25 | $9.86 | 657 | I | P |
| 26 Jan, 2026 | Mikheal Nassif | Common Stock | A | 25 | $9.86 | 657 | I | P |
| 02 Feb, 2026 | Mikheal Nassif | Common Stock | A | 24 | $10.00 | 681 | I | P |
| 02 Feb, 2026 | Mikheal Nassif | Common Stock | A | 24 | $10.00 | 681 | I | P |
| 07 Jan, 2026 | Tamara A. Ranalli | Common Stock | A | 50,813 | $7.38 | 50,813 | D | A |
| 07 Jan, 2026 | Tamara A. Ranalli | Common Stock | A | 50,813 | $7.38 | 50,813 | D | A |
| 07 Jan, 2026 | Tamara A. Ranalli | Common Stock | A | 50,813 | $7.38 | 50,813 | D | A |
| 07 Jan, 2026 | Tamara A. Ranalli | Common Stock | A | 50,813 | $7.38 | 50,813 | D | A |
| 07 Jan, 2026 | Tamara A. Ranalli | Common Stock (Right to Buy) | A | 261,210 | $0.00 | 261,210 | D | A |
| 07 Jan, 2026 | Tamara A. Ranalli | Common Stock (Right to Buy) | A | 261,210 | $0.00 | 261,210 | D | A |
| 07 Jan, 2026 | Tamara A. Ranalli | Common Stock | A | 50,813 | $7.38 | 50,813 | D | A |
| 07 Jan, 2026 | Tamara A. Ranalli | Common Stock | A | 50,813 | $7.38 | 50,813 | D | A |
| 07 Jan, 2026 | Tamara A. Ranalli | Common Stock (Right to Buy) | A | 130,605 | $0.00 | 130,605 | D | A |
| 07 Jan, 2026 | Tamara A. Ranalli | Common Stock (Right to Buy) | A | 130,605 | $0.00 | 130,605 | D | A |
| 16 Jan, 2026 | Mikheal Nassif | Common Shares | A | 137 | $9.33 | 632 | I | P |
| 16 Jan, 2026 | Mikheal Nassif | Common Shares | A | 137 | $9.33 | 632 | I | P |
| 01 Dec, 2025 | David H. Naemura | Common Stock | A | 12,912 | $5.98 | 93,936 | D | M |
| 01 Dec, 2025 | David H. Naemura | Common Stock | D | 3,548 | $5.98 | 90,388 | D | F |