NEOG

NEOGEN CORP

In Vitro & In Vivo Diagnostic SubstancesNasdaqLarge accelerated filer

Total Trades

Buys

Sells

Largest Trade

$100K–$500K

Insiders

Institutional Funds

254

Inst. Value

$1M+

Activist Filings

Insider Trades

Insider	Title	Type	Value	Shares	Price	Date
Nassif Mikheal	CEO	BUY	<$1K	23	$10.94	Feb 17, 2026
Nassif Mikheal	CEO	BUY	<$1K	49	$9.93	Feb 2, 2026
Nassif Mikheal	CEO	BUY	$1K–$15K	137	$9.33	Jan 16, 2026
Nassif Mikheal	CEO	BUY	$1K–$15K	177	$6.25	Nov 7, 2025
Gupta Aashima	Director	BUY	$50K–$100K	16K	$6.25	May 12, 2025
Woteki Catherine E	Director	BUY	$15K–$50K	6K	$5.17	Apr 25, 2025
BOREL JAMES C	Director	BUY	$100K–$500K	30K	$4.99	Apr 25, 2025
BOEHM WILLIAM T	Director	BUY	$15K–$50K	5K	$5.24	Apr 24, 2025
BOREL JAMES C	Director	BUY	$100K–$500K	35K	$4.89	Apr 24, 2025
Rocklin Amy M	Chief Legal Officer	BUY	$50K–$100K	13K	$4.99	Apr 23, 2025
CAPELLO JEFFREY D	Director	BUY	$100K–$500K	21K	$4.84	Apr 22, 2025
Tobin James P	Director	BUY	$15K–$50K	10K	$4.73	Apr 22, 2025
RODRIGUEZ RAFAEL A	Director	BUY	$15K–$50K	7K	$4.59	Apr 22, 2025
Moylan John Patrick	Chief Accounting O…	BUY	$50K–$100K	10K	$5.07	Apr 10, 2025
Naemura David H.	CFO	BUY	$100K–$500K	15K	$11.11	Jan 16, 2025
ADENT JOHN EDWARD	CEO	BUY	$100K–$500K	23K	$11.03	Jan 16, 2025
ADENT JOHN EDWARD	CEO	BUY	$100K–$500K	15K	$13.80	Oct 15, 2024
Jones Douglas Edward	COO	BUY	$100K–$500K	10K	$12.36	Apr 17, 2024
BOREL JAMES C	Director	BUY	$50K–$100K	8K	$13.06	Apr 11, 2024
Naemura David H.	CFO	BUY	$100K–$500K	13K	$12.51	Apr 10, 2024
ADENT JOHN EDWARD	CEO	BUY	$100K–$500K	23K	$12.36	Apr 10, 2024
BOEHM WILLIAM T	Director	BUY	$15K–$50K	2K	$16.05	Nov 3, 2023
Jones Douglas Edward	COO	BUY	$100K–$500K	10K	$15.17	Oct 26, 2023
Lilly Jason Warren	Vice President	SELL	$1K–$15K	351	$15.10	Oct 17, 2023
Tobin James P	Director	BUY	$15K–$50K	3K	$15.19	Oct 12, 2023
BOEHM WILLIAM T	Director	SELL	$15K–$50K	3K	$15.61	Oct 12, 2023
Lilly Jason Warren	Vice President	SELL	$15K–$50K	2K	$15.69	Oct 12, 2023
Naemura David H.	CFO	BUY	$100K–$500K	10K	$15.03	Oct 11, 2023
BOEHM WILLIAM T	Director	EXERCISE	$15K–$50K	2K	$15.62	Aug 22, 2023
BOEHM WILLIAM T	Director	SELL	$15K–$50K	2K	$22.59	Aug 22, 2023
Jones Douglas Edward	COO	BUY	$15K–$50K	3K	$17.91	Jan 18, 2023
Quinlan Steven J.	VP & CFO	BUY	$50K–$100K	5K	$11.63	Oct 11, 2022
BOEHM WILLIAM T	Director	BUY	$15K–$50K	2K	$13.88	Oct 4, 2022
Jones Douglas Edward	COO	BUY	$100K–$500K	7K	$14.31	Sep 28, 2022
ADENT JOHN EDWARD	President & CEO	BUY	$100K–$500K	22K	$14.37	Sep 28, 2022
Vetter Darci L	Director	BUY	$15K–$50K	1K	$21.83	Aug 18, 2022
BOREL JAMES C	Director	BUY	$100K–$500K	7K	$22.70	Aug 10, 2022
Green Ronald D	Director	BUY	$15K–$50K	2K	$22.50	Aug 4, 2022
ADENT JOHN EDWARD	President & CEO	BUY	$100K–$500K	18K	$23.07	Aug 2, 2022
Tobin James P	Director	BUY	$15K–$50K	2K	$22.98	Jul 28, 2022
Jones Douglas Edward	Chief Commercial O…	BUY	$50K–$100K	1K	$35.78	Jan 28, 2022
BOEHM WILLIAM T	Director	SELL	$100K–$500K	3K	$40.00	Jan 18, 2022
BOEHM WILLIAM T	Director	EXERCISE	$15K–$50K	3K	$15.62	Jan 18, 2022

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Institutional Ownership

13F filings as of Dec 31, 2025 · 254 funds holding

Fund	Shares	Value	Type
Clarkston Capital Partners, LLC	11.3M	$1M+	SH
ING GROEP NV	8.8M	$1M+	SH
STATE STREET CORP	8.7M	$1M+	SH
Gates Capital Management, Inc.	8.4M	$1M+	SH
MACKENZIE FINANCIAL CORP	7.9M	$1M+	SH
DIMENSIONAL FUND ADVISORS LP	7.3M	$1M+	SH
CIBC WORLD MARKETS CORP	6.9M	$1M+	SH
Hudson Bay Capital Management LP	6.5M	$1M+	SH
GEODE CAPITAL MANAGEMENT, LLC	4.7M	$1M+	SH
MIZUHO MARKETS AMERICAS LLC	3.5M	$1M+	SH
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	3.5M	$1M+	SH
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	2.9M	$1M+	SH
BNP PARIBAS FINANCIAL MARKETS	2.2M	$1M+	SH
VOLORIDGE INVESTMENT MANAGEMENT, LLC	1.8M	$1M+	SH
SG Americas Securities, LLC	1.6M	$1M+	SH
KENNEDY CAPITAL MANAGEMENT LLC	1.4M	$1M+	SH
AMERICAN CAPITAL MANAGEMENT INC	1.4M	$1M+	SH
VANGUARD GROUP INC	1.4M	$1M+	SH
Neuberger Berman Group LLC	1.2M	$1M+	SH
ArrowMark Colorado Holdings LLC	1.1M	$1M+	SH