Neogen Corp (NEOG) Insider Ownership

Historic Insider Ownership Trends

Neogen's top three insider shareholders as of April 22, 2026 are Mikheal Nassif (Ceo, 598.53K shares), John Edward Adent (Former Ceo, 363.08K shares), Richard Bryan Riggsbee (Cfo, 178.85K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
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
William T Boehm - 41,137 0 28 Oct, 2024
James P Tobin - 37,397 0 28 Oct, 2024
James C Borel - 35,397 0 24 Oct, 2024
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
Ronald D Green - 22,704 0 28 Oct, 2024
Rafael A Rodriguez - 20,821 0 27 Oct, 2025
Andrea F Wainer - 19,769 0 27 Oct, 2025
Thierry Bernard - 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
Catherine E Woteki - 17,397 0 28 Oct, 2024
Rafael A Rodriguez - 17,397 0 28 Oct, 2024
Jeffrey D Capello - 15,840 0 28 Oct, 2024
Aashima Gupta - 15,840 0 28 Oct, 2024
John Patrick Moylan Chief Accounting Officer 14,347 0 20 Aug, 2025
Amy M Rocklin Chief Legal Officer 10,456 0 26 Apr, 2024
John Patrick Moylan Chief Accounting Officer 5,956 0 19 Aug, 2024
Thierry Bernard - 5,620 0 05 Nov, 2024
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
Mikheal Nassif Ceo 0 632 16 Jan, 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.

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
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 Aashima Gupta Common Stock A 1,777 $6.19 27,790 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 Ronald D Green Restricted Stock Units D 1,777 $6.19 1,777 D M