NEOG · Insider Trading

Neogen Corp

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Every open-market purchase and sale reported by NEOG officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.

Form 4 Filings

most recent

Open-Market Buys

code P

Sales

code S

Reporting Insiders

current holders

NEOG — Recent Form 4 Transactions (latest 2026-10-09)

Filed	Insider	Role	Type	Shares	Value
2026-10-09	Mikheal Nassif	CEO	Buy	+505	+$6.03K
2026-10-02	Avi Pelossof	Director	A	+9,804	+$120.00K
2026-10-02	Andrea F Wainer	Director	A	+9,804	+$120.00K
2026-10-02	Ronald D Green	Director	A	+9,804	+$120.00K
2026-10-02	Aashima Gupta	Director	A	+9,804	+$120.00K
2026-10-02	Rafael A Rodriguez	Director	A	+9,804	+$120.00K
2026-10-02	Jeffrey D Capello	Director	A	+9,804	+$120.00K
2026-10-02	James C Borel	Director	A	+9,804	+$120.00K
2026-10-02	Catherine E Woteki	Director	A	+9,804	+$120.00K
2026-08-20	Mikheal Nassif	CEO	F	−20,397	−$242.11K
2026-08-20	John Patrick Moylan	Chief Accounting Officer	F	−2,365	−$28.07K
2026-08-14	Richard Bryan Riggsbee	CFO	A	+51,502	+$600.00K
2026-08-14	Jennifer Evans Stacey	Chief Legal Officer	A	+38,627	+$450.00K
2026-08-14	Tamara A. Ranalli	Senior Vice President	A	+25,751	+$300.00K
2026-08-14	John Patrick Moylan	Chief Accounting Officer	A	+8,584	+$100.00K
2026-08-14	Mikheal Nassif	CEO	A	+141,631	+$1.65M
2026-08-06	Mikheal Nassif	CEO	Buy	+370	+$4.37K
2026-08-06	Mikheal Nassif	CEO	Buy	+370	+$4.37K
2026-06-04	John Patrick Moylan	Chief Accounting Officer	F	−2,553	−$22.34K
2026-05-19	Amy M Rocklin	Former Chief Legal Officer	MIXED	+24,942	+$231.71K
2026-05-05	John Patrick Moylan	Chief Accounting Officer	MIXED	+2,990	+$28.49K
2026-05-04	Jennifer Evans Stacey	Chief Legal Officer	A	+39,349	+$375.00K
2026-02-17	Mikheal Nassif	CEO	Buy	+23	+$252
2026-02-02	Mikheal Nassif	CEO	Buy	+49	+$486
2026-01-29	Tamara A. Ranalli	Senior Vice President	A	+101,626	+$750.00K
2026-01-26	Tamara A. Ranalli	Senior Vice President	A	+50,813	+$375.00K
2026-01-16	Mikheal Nassif	CEO	Buy	+137	+$1.28K
2025-12-02	David H. Naemura	Former CFO	MIXED	+9,364	+$56.00K
2025-11-07	Mikheal Nassif	CEO	Buy	+177	+$1.11K
2025-11-05	Richard Bryan Riggsbee	CFO	A	+178,855	+$1.12M
2025-10-29	Jeffrey D Capello	Director	M	+1,777	+$11.00K
2025-10-29	James C Borel	Director	M	+1,777	+$11.00K
2025-10-29	Aashima Gupta	Director	M	+1,777	+$11.00K
2025-10-29	Ronald D Green	Director	M	+1,777	+$11.00K
2025-10-28	James P Tobin	Director	M	+1,777	+$11.00K
2025-10-28	William T Boehm	Director	M	+3,553	+$21.57K
2025-10-28	James C Borel	Director	M	+2,025	+$12.53K
2025-10-28	Avi Pelossof	Director	A	+19,386	+$120.00K
2025-10-28	Rafael A Rodriguez	Director	M	+1,777	+$11.00K
2025-10-28	Amy M Rocklin	Chief Legal Officer	MIXED	+7,389	+$45.74K
2025-10-28	John Edward Adent	Former CEO	MIXED	+30,232	+$187.14K
2025-10-28	Jeffrey D Capello	Director	M	+2,025	+$12.53K
2025-10-28	Douglas Edward Jones	Former COO	MIXED	+12,023	+$74.42K
2025-10-28	David H. Naemura	Chief Financial Officer	MIXED	+11,243	+$69.59K
2025-10-28	Catherine E Woteki	Director	M	+1,777	+$11.00K
2025-10-27	Jeffrey D Capello	Director	A	+19,769	+$120.00K
2025-10-27	Catherine E Woteki	Director	A	+19,769	+$120.00K
2025-10-27	Thierry Bernard	Director	A	+19,769	+$120.00K
2025-10-27	James C Borel	Director	A	+19,769	+$120.00K
2025-10-27	Andrea F Wainer	Director	A	+19,769	+$120.00K

NEOG — Current Insider Holders

Insider	Role	Shares Held	Value
John Edward Adent	Former CEO	371,608	$4.40M
James C Borel	Director	106,151	$1.26M
Douglas Edward Jones	Former COO	104,362	$1.24M
David H. Naemura	Former CFO	93,936	$1.11M
Amy M Rocklin	Former Chief Legal Officer	92,423	$1.09M
Richard Bryan Riggsbee	CFO	51,502	$610.04K
William T Boehm	Director	47,913	$567.53K
James P Tobin	Director	43,347	$513.45K
Jeffrey D Capello	Director	42,306	$501.11K
Jennifer Evans Stacey	Chief Legal Officer	38,627	$457.54K
Aashima Gupta	Director	37,594	$445.30K
Rafael A Rodriguez	Director	30,625	$362.75K
John Patrick Moylan	Chief Accounting Officer	29,331	$347.43K
Catherine E Woteki	Director	28,921	$342.57K
Ronald D Green	Director	28,458	$337.09K
Mikheal Nassif	CEO	27,234	$322.59K
Tamara A. Ranalli	Senior Vice President	25,751	$305.02K
Thierry Bernard	Director	19,769	$234.16K
Andrea F Wainer	Director	11,834	$140.17K
Avi Pelossof	Director	9,804	$116.13K

NEOG Insider Trading FAQ

Who are the insiders at NEOG?

20 officers, directors and 10%+ beneficial owners currently report holdings in NEOG via SEC Form 4.

Are NEOG insiders buying or selling?

Across the 50 most recent Form 4 filings for NEOG, 7 were open-market purchases (code P) and 0 were sales (code S). Sales frequently reflect scheduled 10b5-1 plans or tax withholding rather than a view on the stock.

How current is NEOG insider data?

Form 4 must be filed within two business days of the transaction, so this is close to real time. The most recent NEOG filing is dated 2026-10-09.

How to read Form 4 activity

Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.

Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.

Full filing history and per-insider positions are on the NEOG quote page; the site-wide leaderboard is on the insider transactions hub.