NEOGNasdaq

NEOGEN CORP

Alert me on NEOG

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Nov 5 Sale Yarwood Jeremy Insider

1 week

Result in3 trading days

1 month

Result in19 trading days

3 months

Result in61 trading days

6 months

Result in124 trading days

Oct 10 Buy Nassif Mikheal Insider

1 week

−3.1%S&P −1.5%

1 month

Result in1 trading day

3 months

Result in43 trading days

6 months

Result in106 trading days

Aug 6 Buy Nassif Mikheal Insider

1 week

+5.2%S&P +1.2%

1 month

+4.7%S&P +0.2%

3 months

+10.3%S&P 0.0%

6 months

Result in60 trading days

Feb 18 Buy Nassif Mikheal Insider

1 week

+1.3%S&P +1.0%

1 month

−22.0%S&P −3.9%

3 months

−25.1%S&P +7.2%

6 months

+9.0%S&P +12.7%

Feb 3 Buy Nassif Mikheal Insider

1 week

+4.5%S&P +0.4%

1 month

+4.1%S&P −1.2%

3 months

−9.7%S&P +5.3%

6 months

+11.0%S&P +12.2%

Show all 7

Jan 16 Buy Nassif Mikheal Insider

1 week

+8.2%S&P +0.2%

1 month

+20.5%S&P −0.8%

3 months

+4.1%S&P +2.8%

6 months

+7.4%S&P +8.8%

Nov 7, 2025 Buy Nassif Mikheal Insider

1 week

−0.2%S&P +0.1%

1 month

0.0%S&P +1.8%

3 months

+67.7%S&P +3.5%

6 months

+34.5%S&P +10.6%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for NEOG

89 held · newest 589 held · newest 2

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See all 89 filings for NEOG

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Jun 30, 2026 Schedule 13G

Neuberger Berman Group LLC: 7.6%, 16,570,795 shares

Mar 31, 2026 Schedule 13G, amended

Clarkston Capital Partners, LLC: 1%, 2,204,788 shares

Mar 31, 2026 Schedule 13G

Vanguard Capital Management: 5.1%, 11,164,628 shares

Mar 31, 2026 Schedule 13G

Vanguard Portfolio Management: 5.9%, 12,916,330 shares

Mar 13, 2026 Schedule 13G, amended

The Vanguard Group: 0%, 0 shares

Dec 31, 2025 Schedule 13G, amended

Gates Capital Management, L.P.: 3.9%, 8,385,534 shares

Nov 28, 2025 Schedule 13G, amended

ING GROEP NV: 4%, 8,673,700 shares

Sep 30, 2025 Schedule 13G, amended

Clarkston Capital Partners, LLC: 5.4%, 11,693,250 shares

Sep 29, 2025 Schedule 13G

ING GROEP NV: 6.5%, 14,060,900 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

$30KQ4 2025

$30KQ1 2026

$30KQ2 2026

$30KQ3 2026

Unchanged from Q2 2026. Reported to the Senate each quarter by the firms it hires.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 21, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.