NEOG's three largest insider shareholders as of March 23, 2026 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 |
|---|---|---|---|---|
| Mikheal Nassif | Ceo | 598,527 | 0 | 19 Aug, 2025 |
| John Edward Adent | Former Ceo | 363,081 | 0 | 28 Oct, 2025 |
| Richard Bryan Riggsbee | Cfo | 178,855 | 0 | 05 Nov, 2025 |
| Douglas Edward Jones | Former Coo | 100,881 | 0 | 28 Oct, 2025 |
| James C Borel | 96,347 | 0 | 29 Oct, 2025 | |
| David H. Naemura | Former Cfo | 90,388 | 0 | 02 Dec, 2025 |
| Amy M Rocklin | Chief Legal Officer | 57,240 | 0 | 28 Oct, 2025 |
| Tamara A. Ranalli | Senior Vice President | 50,813 | 0 | 29 Jan, 2026 |
| William T Boehm | 47,913 | 0 | 28 Oct, 2025 | |
| James P Tobin | 43,347 | 0 | 28 Oct, 2025 | |
| Terri A Morrical | 37,575 | 0 | 04 May, 2021 | |
| Steven J. Quinlan | Vp Cfo | 32,722 | 0 | 11 Oct, 2022 |
| Jeffrey D Capello | 32,502 | 0 | 29 Oct, 2025 | |
| Aashima Gupta | 27,790 | 0 | 29 Oct, 2025 | |
| Jason Warren Lilly | Vice President | 26,744 | 0 | 17 Oct, 2023 |
| Rafael A Rodriguez | 20,821 | 0 | 27 Oct, 2025 | |
| Thierry Bernard | 19,769 | 0 | 27 Oct, 2025 | |
| Andrea F Wainer | 19,769 | 0 | 27 Oct, 2025 | |
| Avi Pelossof | 19,386 | 0 | 28 Oct, 2025 | |
| Catherine E Woteki | 19,117 | 0 | 28 Oct, 2025 | |
| Ronald D Green | 18,654 | 0 | 29 Oct, 2025 | |
| John Patrick Moylan | Chief Accounting Officer | 14,347 | 0 | 20 Aug, 2025 |
| Jerome L Hagedorn | Vice President, Na Operations | 2,571 | 0 | 27 Apr, 2023 |
| Darci L Vetter | 1,384 | 0 | 17 Aug, 2022 | |
| Mikheal Nassif | Ceo | 0 | 704 | 17 Feb, 2026 |
* 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 |
| 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 |
| 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 | 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 |
| 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 |
| 01 Dec, 2025 | David H. Naemura | Restricted Stock Units | D | 12,912 | $5.98 | 0 | D | M |
| 03 Nov, 2025 | Mikheal Nassif | Common Shares | A | 177 | $6.25 | 495 | I | P |
| 03 Nov, 2025 | Richard Bryan Riggsbee | Common Stock | A | 178,855 | $6.29 | 178,855 | D | A |
| 03 Nov, 2025 | Richard Bryan Riggsbee | Common Stock (Right to Buy) | A | 459,713 | $0.00 | 459,713 | D | A |
| 27 Oct, 2025 | James C Borel | Common Stock | A | 1,777 | $6.19 | 96,347 | D | M |
| 27 Oct, 2025 | Jeffrey D Capello | Common Stock | A | 1,777 | $6.19 | 32,502 | D | M |
| 27 Oct, 2025 | Ronald D Green | Common Stock | A | 1,777 | $6.19 | 18,654 | D | M |
| 27 Oct, 2025 | Aashima Gupta | Common Stock | A | 1,777 | $6.19 | 27,790 | D | M |
| 27 Oct, 2025 | Jeffrey D Capello | Restricted Stock Units | D | 1,777 | $6.19 | 1,777 | D | M |