Stocks › NEOG
NEOGEN CORP
NEOG·Nasdaq·
United States·USD
United States·USD$11.96
-1.05 (-8.07%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
NEOG
NEOGEN CORP · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
NEOGS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of NEOG by members of U.S. Congress · 5 on record
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
 Greg GianforteHouse · R · MT |
NEOGNEOGEN CORP · Stock |
Sale $1,001 - $15,000 |
Nov 9, 2020 | Oct 13, 2020 | Filing ↗ |
 Donna ShalalaHouse · D · FL |
NEOGNEOGEN CORP · Stock |
Sale $1,001 - $15,000 |
Apr 27, 2020 | Jun 24, 2019 | Filing ↗ |
| Greg GianforteHouse · R · MT |
NEOGNEOGEN CORP · Stock |
Purchase $100,001 - $250,000 |
Jul 1, 2019 | Jun 12, 2019 | Filing ↗ |
 James B. RenacciHouse · R · OH |
NEOGNEOGEN CORP · Stock |
Sale $1,001 - $15,000 |
Jan 27, 2016 | Jan 7, 2016 | Filing ↗ |
| James B. RenacciHouse · R · OH |
NEOGNEOGEN CORP · Stock |
Purchase $1,001 - $15,000 |
Oct 5, 2015 | Sep 24, 2015 | Filing ↗ |
Whale Activity
Position changes in NEOG reported for 2026-06-30 by 11 tracked institutional filers
- Increased3
- New2
- Held0
- Decreased1
- Closed2
- No prior filing3
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 33.4M | $300.5M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 13.0M | $117.2M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 9.7M | $86.8M | increased |
| Samjo Management, LLC | 237.2K | $2.1M | — |
| Teton Advisors, LLC | 181.7K | $1.6M | — |
| Grandeur Peak Global Advisors, LLC | 148.3K | $1.3M | — |
| RENAISSANCE TECHNOLOGIES LLC | 118.2K | $1.1M | new |
| CITADEL ADVISORS LLC | 85.8K | $772K | decreased |
| D. E. Shaw & Co., Inc. | 42.5K | $382K | new |
| Bridgewater Associates | 0 | $0 | closed |
| Millennium Management LLC | 0 | $0 | closed |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by NEOG insiders, by quarter · Form 4
Recent Insider Transactions
1,661 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Nassif MikhealCEO · Director | Purchase | +370 | $11.81 | $4K | Aug 4, 2026 | Form 4 ↗ |
| Moylan John PatrickChief Accounting Officer | Tax withholding | −2,553 | $8.75 | $22K | Jun 3, 2026 | Form 4 ↗ |
| Rocklin Amy MFormer Chief Legal Officer | Tax withholding | −10.2K | $9.29 | $95K | May 18, 2026 | Form 4 ↗ |
| Rocklin Amy MFormer Chief Legal Officer | Option exercise | +35.2K | $9.29 | $327K | May 18, 2026 | Form 4 ↗ |
| Moylan John PatrickChief Accounting Officer | Tax withholding | −1,568 | $9.53 | $15K | May 4, 2026 | Form 4 ↗ |
| Moylan John PatrickChief Accounting Officer | Option exercise | +4,558 | $9.53 | $43K | May 4, 2026 | Form 4 ↗ |
| Stacey Jennifer EvansChief Legal Officer | Grant / award | +39.3K | $9.53 | $375K | May 1, 2026 | Form 4 ↗ |
| Nassif MikhealCEO · Director | Purchase | +23 | $10.94 | $252 | Feb 17, 2026 | Form 4 ↗ |
| Nassif MikhealCEO · Director | Purchase | +24 | $10.00 | $240 | Feb 2, 2026 | Form 4 ↗ |
| Nassif MikhealCEO · Director | Purchase | +25 | $9.86 | $247 | Jan 26, 2026 | Form 4 ↗ |
| Nassif MikhealCEO · Director | Purchase | +137 | $9.33 | $1K | Jan 16, 2026 | Form 4 ↗ |
| Ranalli Tamara A.Senior Vice President | Grant / award Amended | +50.8K | $7.38 | $375K | Jan 7, 2026 | Form 4 ↗ |
| Ranalli Tamara A.Senior Vice President | Grant / award Amended | +50.8K | $7.38 | $375K | Jan 7, 2026 | Form 4 ↗ |
| Ranalli Tamara A.Senior Vice President | Grant / award | +50.8K | $7.38 | $375K | Jan 7, 2026 | Form 4 ↗ |
| Naemura David H.Former CFO | Tax withholding | −3,548 | $5.98 | $21K | Dec 1, 2025 | Form 4 ↗ |
| Naemura David H.Former CFO | Option exercise | +12.9K | $5.98 | $77K | Dec 1, 2025 | Form 4 ↗ |
| Nassif MikhealCEO · Director | Purchase | +177 | $6.25 | $1K | Nov 3, 2025 | Form 4 ↗ |
| Riggsbee Richard BryanCFO | Grant / award | +178.9K | $6.29 | $1.1M | Nov 3, 2025 | Form 4 ↗ |
| BOREL JAMES CDirector | Option exercise | +1,777 | $6.19 | $11K | Oct 27, 2025 | Form 4 ↗ |
| CAPELLO JEFFREY DDirector | Option exercise | +1,777 | $6.19 | $11K | Oct 27, 2025 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding NEOG · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF iShares Trust | 13.1M | $117.9M | 0.11% | Jun 30, 2026 |
| Neuberger Genesis Fund NEUBERGER BERMAN EQUITY FUNDS | 7.1M | $63.3M | 0.86% | May 31, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 6.9M | $62.3M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 5.8M | $51.9M | 0.06% | Jun 30, 2026 |
| BARON SMALL CAP FUND BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | 5.0M | $45.0M | 1.58% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 5.0M | $44.8M | 0.02% | Jun 30, 2026 |
| U.S. SMALL CAP VALUE PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 2.9M | $35.5M | 0.18% | Jul 31, 2026 |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 2.4M | $29.2M | 0.09% | Jul 31, 2026 |
| VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | 3.2M | $28.4M | 0.04% | Jun 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 2.5M | $22.5M | 0.02% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list NEOG's shares (CUSIP 640491106), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Neuberger Berman Investment Advisers LLCSCHEDULE 13G · passive (13G) · 16.1M shares7.4%
Jul 7, 2026 · ↗ - Neuberger Berman Group LLCSCHEDULE 13G · passive (13G) · 16.6M shares7.6%
Jul 7, 2026 · ↗ - Gerald W. HakalaSCHEDULE 13G/A · passive (13G) · 2.2M shares1.0%
May 14, 2026 · ↗ - Jeffrey A. HakalaSCHEDULE 13G/A · passive (13G) · 2.2M shares1.0%
May 14, 2026 · ↗ - Clarkston Companies, Inc.SCHEDULE 13G/A · passive (13G) · 2.2M shares1.0%
May 14, 2026 · ↗ - Clarkston Capital Partners, LLCSCHEDULE 13G/A · passive (13G) · 2.2M shares1.0%
May 14, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming neogen as client
- THE RUSSELL GROUP, INC.NEOGEN CORPORATION · 2026 Q2 · FOO$30K
Filing ↗ - THE RUSSELL GROUP, INC.NEOGEN CORPORATION · 2026 Q1 · FOO$30K
Filing ↗ - THE RUSSELL GROUP, INC.NEOGEN CORPORATION · 2025 Q4 · FOO$30K
Filing ↗ - THE RUSSELL GROUP, INC.NEOGEN CORPORATION · 2025 Q3 · FOO$30K
Filing ↗ - THE RUSSELL GROUP, INC.NEOGEN CORPORATION · 2025 Q2 · FOO$30K
Filing ↗
Government Contracts
Federal awards to neogen · USAspending
$547KAwarded · 9 contracts on record
- Department of AgricultureEASTERN LAB, NARMS, MIDWEST LAB, WESTERN LAB DELIVERY ORDERS FOR LM, L. SPECIES, SALMONELLA$156K
Aug 16, 2026 · ↗ - Department of Veterans AffairsCLEAN-TRACE CALIBRATION AND MAINTENANCE SERVICES$5K
Jan 2, 2024 · ↗ - Department of AgricultureDELIVERY ORDER FOR ZINC PHOSPHIDE 82%$15K
Jun 29, 2026 · ↗ - Department of AgricultureQ4 FY26 TASK ORDER FOR CAMPY ENRICHMENT BROTH ON CONTRACT 123A9423D0008 WITH NEOGEN FOR ALL 3 LABS$956
Jun 18, 2026 · ↗ - Department of AgricultureDELIVERY ORDER FOR NEOGEN UVM, MTSB, AND BPW BROTHS UNDER CONTRACT 123A9422D0009; DELIVERY DATE 3/19/2025$0
Feb 7, 2025 · ↗ - Department of AgricultureDELIVERY ORDER FOR NEOGEN CAMPYLOBACTER ENRICHMENT BROTH UNDER CONTRACT 123A9423D0008; DELIVERY DATES JANUARY THROUGH MARCH 2025$0
Dec 23, 2024 · ↗ - Department of AgricultureSALMONELLA AND LISTERIA DETECTION KITS$235K
Jul 1, 2024 · ↗ - Department of AgricultureLISTERIA SPECIES KITS$18K
Nov 15, 2024 · ↗
U.S. Patents
Recent USPTO applications naming NEOGEN CORP
No USPTO patent applications found for NEOGEN CORP.
Annual Financials
From NEOG's 10-K filings · XBRL
No annual XBRL figures on record for NEOG. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 2-for-1Stock splitJun 7, 2021
- 4-for-3Stock splitJan 2, 2018
- 3-for-2Stock splitOct 31, 2013
- 3-for-2Stock splitDec 16, 2009
- 3-for-2Stock splitSep 5, 2007
- 5-for-4Stock splitJan 2, 2004
Split dates and ratios from the price history · Close Prices from Tiingo.com
About NEOGEN CORP
From SEC EDGAR company records
Neogen Corporation and its subsidiaries develop, manufacture and market a diverse line of products and services dedicated to food and animal safety. Our Food Safety segment consists primarily of diagnostic test kits and complementary products (e.g., culture media) sold to food and animal feed producers and processors to preserve the safety and quality of food to prevent contamination and foodborne illnesses such as foodborne pathogens, spoilage organisms, natural toxins, food allergens, and ruminant by-products. These products also ensure the general hygiene of the food manufacturing environment. We also have products to determine food quality and nutritional components. The majority of the…
Industry (SIC 2835)In Vitro & In Vivo Diagnostic Substances
SectorHealthcare
HeadquartersLANSING, MI
IncorporatedMI
SEC CIK0000711377 ↗