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NEOGEN CORP

NEOG · In Vitro & In Vivo Diagnostic Substances · 217.7M shares · +16%/yr ↑ shares · EDGAR filings ↗
Net buyback after stock comp: -$7M (gross $3M, SBC $10M)

Reference price $10.94 · est. market cap ~$2.4B — last insider purchase, 2026-02-17 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)

Grade

C54

Food/animal-safety diagnostics company with an impairment-driven net loss but positive operating cash flow.

Strengths

Risks

Notable findings

Quarterly revenue

2025-05-31 · $225M2025-08-31 · $209M2025-11-30 · $225M2026-02-28 · $211M

Last 4 quarters · from SEC filings.

Key metrics

Gross margin
47.1%
Operating margin
-118.6%
Net margin
-122.1%
Return on equity
-52.7%
Return on assets
-31.7%
ROIC
-28.5%
Revenue growth (QoQ)
-6.0%
Debt / equity
0.4×
Interest coverage
-27.8×
Current ratio
3.3×
EBITDA
-$942M
Tangible book value
-$404M
Cash & investments
$129M
Stock comp / revenue
1.9%

Insider transactions · last 18 months

DateInsiderTypeSharesPrice
2026-06-03Moylan John PatrickTax withheld2.6K$8.75
2026-05-18Rocklin Amy MOption exercise35K$9.29
2026-05-18Rocklin Amy MTax withheld10K$9.29
2026-05-04Moylan John PatrickOption exercise4.6K$9.53
2026-05-04Moylan John PatrickTax withheld1.6K$9.53
2026-05-01Stacey Jennifer EvansGrant39K$9.53
2026-02-17Nassif MikhealBuy23$10.94
2026-02-02Nassif MikhealBuy24$10.00
2026-01-26Nassif MikhealBuy25$9.86
2026-01-16Nassif MikhealBuy137$9.33
2026-01-07Ranalli Tamara A.Grant51K$7.38
2026-01-07Ranalli Tamara A.Grant51K$7.38
2026-01-07Ranalli Tamara A.Grant51K$7.38
2025-12-01Naemura David H.Option exercise13K$5.98
2025-12-01Naemura David H.Tax withheld3.5K$5.98
2025-11-03Riggsbee Richard BryanGrant179K$6.29
2025-11-03Nassif MikhealBuy177$6.25
2025-10-27BOREL JAMES COption exercise2.0K$6.19
2025-10-27ADENT JOHN EDWARDTax withheld8.5K$6.19
2025-10-27BOREL JAMES COption exercise1.8K$6.19
2025-10-27CAPELLO JEFFREY DOption exercise1.8K$6.19
2025-10-27Green Ronald DOption exercise1.8K$6.19
2025-10-27Gupta AashimaOption exercise1.8K$6.19
2025-10-27RODRIGUEZ RAFAEL AOption exercise1.8K$6.19
2025-10-27Tobin James POption exercise1.8K$6.19
2025-10-27Woteki Catherine EOption exercise1.8K$6.19
2025-10-27Rocklin Amy MOption exercise9.5K$6.19
2025-10-27Rocklin Amy MTax withheld2.1K$6.19
2025-10-27Naemura David H.Option exercise16K$6.19
2025-10-27Naemura David H.Tax withheld4.3K$6.19
2025-10-27Jones Douglas EdwardOption exercise16K$6.19
2025-10-27Jones Douglas EdwardTax withheld3.5K$6.19
2025-10-27ADENT JOHN EDWARDOption exercise39K$6.19
2025-10-27BOEHM WILLIAM TOption exercise3.6K$6.07
2025-10-27CAPELLO JEFFREY DOption exercise2.0K$6.19
2025-10-24Pelossof AviGrant19K$6.19
2025-10-23Woteki Catherine EGrant20K$6.07
2025-10-23Wainer Andrea FGrant20K$6.07
2025-10-23RODRIGUEZ RAFAEL AGrant20K$6.07
2025-10-23Gupta AashimaGrant20K$6.07
2025-10-23Green Ronald DGrant20K$6.07
2025-10-23CAPELLO JEFFREY DGrant20K$6.07
2025-10-23Bernard ThierryGrant20K$6.07
2025-10-23BOREL JAMES CGrant20K$6.07
2025-10-13Rocklin Amy MOption exercise294$6.04
2025-10-13Rocklin Amy MTax withheld115$6.04
2025-10-13Jones Douglas EdwardOption exercise783$6.04
2025-10-13Jones Douglas EdwardTax withheld383$6.04
2025-10-13ADENT JOHN EDWARDOption exercise3.1K$6.04
2025-10-13ADENT JOHN EDWARDTax withheld865$6.04
2025-10-07BOREL JAMES COption exercise2.1K$5.63
2025-10-07Rocklin Amy MOption exercise9.0K$5.36
2025-10-07Rocklin Amy MTax withheld3.5K$5.63
2025-10-07Jones Douglas EdwardOption exercise13K$5.63
2025-10-07Jones Douglas EdwardTax withheld6.3K$5.63
2025-10-07ADENT JOHN EDWARDOption exercise33K$5.63
2025-10-07ADENT JOHN EDWARDTax withheld9.3K$5.63
2025-10-07Woteki Catherine EOption exercise2.1K$5.63
2025-10-07Tobin James POption exercise2.1K$5.63
2025-10-07RODRIGUEZ RAFAEL AOption exercise2.1K$5.63
2025-10-07Gupta AashimaOption exercise2.1K$5.63
2025-10-07Green Ronald DOption exercise2.1K$5.63
2025-10-07CAPELLO JEFFREY DOption exercise2.1K$5.63
2025-10-07BOEHM WILLIAM TOption exercise2.1K$5.63
2025-08-18ADENT JOHN EDWARDOption exercise36K$5.43
2025-08-18Jones Douglas EdwardOption exercise14K$5.43
2025-08-18Jones Douglas EdwardTax withheld4.2K$5.43
2025-08-18Naemura David H.Option exercise14K$5.43
2025-08-18Naemura David H.Tax withheld5.9K$5.43
2025-08-18Rocklin Amy MOption exercise10K$5.43
2025-08-18Rocklin Amy MTax withheld3.0K$5.43
2025-08-18Moylan John PatrickOption exercise2.0K$5.43
2025-08-18Moylan John PatrickTax withheld593$5.43
2025-08-15Naemura David H.Grant230K$5.43
2025-08-15Rocklin Amy MGrant120K$5.43
2025-08-15Moylan John PatrickGrant18K$5.43
2025-08-15Nassif MikhealGrant184K$5.43
2025-08-15Nassif MikhealGrant414K$5.43
2025-06-02Wainer Andrea FGrant6.1K$5.69
2025-06-02Naemura David H.Grant53K$5.69
2025-06-02Rocklin Amy MGrant44K$5.69
2025-06-02Moylan John PatrickGrant26K$5.69
2025-05-12Gupta AashimaBuy16K$6.25
2025-05-01Moylan John PatrickOption exercise4.6K$5.15
2025-05-01Moylan John PatrickTax withheld1.6K$5.15
2025-04-28ADENT JOHN EDWARDOption exercise2.1K$5.16
2025-04-28Jones Douglas EdwardOption exercise845$5.16
2025-04-28Jones Douglas EdwardTax withheld291$5.16
2025-04-28Rocklin Amy MOption exercise564$5.16
2025-04-25Woteki Catherine EBuy5.8K$5.17
2025-04-24BOREL JAMES CBuy30K$4.99
2025-04-24BOEHM WILLIAM TBuy5.0K$5.24
2025-04-24BOREL JAMES CBuy35K$4.89
2025-04-23Rocklin Amy MBuy12K$4.99
2025-04-22CAPELLO JEFFREY DBuy21K$4.84
2025-04-22Tobin James PBuy10K$4.73
2025-04-22RODRIGUEZ RAFAEL ABuy7.5K$4.59
2025-04-10Moylan John PatrickBuy10K$5.07
2025-01-16Naemura David H.Grant10K$11.60
2025-01-16Naemura David H.Buy15K$11.11
2025-01-16ADENT JOHN EDWARDBuy23K$11.03

All non-derivative Form 4 activity (SEC), newest first.

Supply chain

Customers (0)

    Suppliers (1)

    Named in the 10-K; linked when we track them.

    Notable events (8-K)

    DateItems
    2026-04-20Reg FDExhibitsfiling ↗
    2026-04-09ResultsExhibitsfiling ↗
    2026-03-30Exec/director changefiling ↗
    2026-01-08ResultsExhibitsfiling ↗
    2025-10-30Exec/director changeOtherExhibitsfiling ↗
    2025-10-28Exec/director changeExhibitsfiling ↗
    2025-10-27Shareholder voteExhibitsfiling ↗
    2025-10-27Shareholder voteExhibitsfiling ↗

    Recent filings

    FormFiledPeriodAccession
    8-K2026-04-202026-04-200001193125-26-162667 ↗
    8-K2026-04-092026-04-090001193125-26-148851 ↗
    10-Q2026-04-092026-02-280001193125-26-149599 ↗
    8-K2026-03-302026-03-300001193125-26-130470 ↗
    10-Q2026-01-082025-11-300001193125-26-007682 ↗
    8-K2026-01-082026-01-080001193125-26-006990 ↗
    8-K2025-10-302025-10-300001193125-25-257565 ↗
    8-K/A2025-10-282025-08-140001193125-25-252843 ↗
    8-K2025-10-272025-10-230001193125-25-250823 ↗
    8-K/A2025-10-272025-10-230001193125-25-250963 ↗
    8-K2025-10-092025-10-090001193125-25-235081 ↗
    10-Q2025-10-092025-08-310001193125-25-235720 ↗