Neogen Corp (NEOG) Insider Ownership

Historic Ownership Trends

Over the 90-day window ending December 12, 2025, Neogen's three dominant insider ownership positions are held by CEO Mikheal Nassif (599.02K shares), Former CEO John Edward Adent (363.08K shares), Cfo Richard Bryan Riggsbee (178.85K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Mikheal Nassif CEO 599,022 19 Aug, 2025
John Edward Adent Former CEO 363,081 28 Oct, 2025
Richard Bryan Riggsbee Cfo 178,855 05 Nov, 2025
Douglas Edward Jones Former COO 100,881 28 Oct, 2025
James C Borel 96,347 29 Oct, 2025
David H. Naemura Former Cfo 90,388 02 Dec, 2025
Amy M Rocklin Chief Legal Officer 57,240 28 Oct, 2025
William T Boehm 47,913 28 Oct, 2025
James P Tobin 43,347 28 Oct, 2025
Terri A Morrical 75,150 04 May, 2021
Bruce Papesh 72,522 26 Mar, 2021
Steven J. Quinlan VP & Cfo 32,722 11 Oct, 2022
Jeffrey D Capello 32,502 29 Oct, 2025
Aashima Gupta 27,790 29 Oct, 2025
Jason Warren Lilly Vice President 26,744 17 Oct, 2023
Rafael A Rodriguez 20,821 28 Oct, 2025
Thierry Bernard 19,769 27 Oct, 2025
Andrea F Wainer 19,769 27 Oct, 2025
Avi Pelossof 19,386 28 Oct, 2025
Catherine E Woteki 19,117 28 Oct, 2025
Ronald D Green 18,654 29 Oct, 2025
John Patrick Moylan Chief Accounting Officer 14,347 20 Aug, 2025
Jerome L Hagedorn Vice President And Na Operations 2,571 27 Apr, 2023
Darci L Vetter 1,384 17 Aug, 2022

* 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
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
03 Nov, 2025 Richard Bryan Riggsbee Common Stock A 178,855 $6.29 178,855 D A
03 Nov, 2025 Mikheal Nassif Common Shares A 177 $6.25 495 I P
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 James C Borel Common Stock A 2,025 $6.19 94,570 D M
27 Oct, 2025 Rafael A Rodriguez Common Stock A 1,777 $6.19 20,821 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 Amy M Rocklin Common Stock A 9,474 $6.19 59,325 D M
27 Oct, 2025 John Edward Adent Common Stock A 38,759 $6.19 371,608 D M
27 Oct, 2025 Douglas Edward Jones Common Stock A 15,504 $6.19 104,362 D M
27 Oct, 2025 William T Boehm Common Stock A 3,553 $6.07 47,913 D M
27 Oct, 2025 Catherine E Woteki Common Stock A 1,777 $6.19 19,117 D M
27 Oct, 2025 David H. Naemura Common Stock A 15,504 $6.19 85,285 D M
27 Oct, 2025 Jeffrey D Capello Common Stock A 2,025 $6.19 30,725 D M
27 Oct, 2025 James P Tobin Common Stock A 1,777 $6.19 43,347 D M
27 Oct, 2025 Douglas Edward Jones Common Stock D 3,481 $6.19 100,881 D F
27 Oct, 2025 Amy M Rocklin Common Stock D 2,085 $6.19 57,240 D F