NEOG — NEOGEN CORP
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Others in Healthcare
Measured signals that fired on NEOG
| date | signal | measured base rate |
|---|---|---|
| 2026-08-19 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-08-03 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-30 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-07-16 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-05-12 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-04-01 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-19 | Nassif Mikheal CEO | Shares withheld for tax | 20.4K | 11.87 | 242.1K |
| 2026-08-19 | Moylan John Patrick Chief Accounting Officer | Shares withheld for tax | 2.4K | 11.87 | 28.1K |
| 2026-08-14 | Nassif Mikheal CEO | Grant or award | 141.6K | 11.65 | 1.7M |
| 2026-08-14 | Riggsbee Richard Bryan CFO | Grant or award | 51.5K | 11.65 | 600.0K |
| 2026-08-14 | Stacey Jennifer Evans Chief Legal Officer | Grant or award | 38.6K | 11.65 | 450.0K |
| 2026-08-14 | Ranalli Tamara A. Senior Vice President | Grant or award | 25.8K | 11.65 | 300.0K |
| 2026-08-14 | Moylan John Patrick Chief Accounting Officer | Grant or award | 8.6K | 11.65 | 100.0K |
| 2026-08-04 | Nassif Mikheal CEO | Open-market purchase | 370 | 11.81 | 4.4K |
| 2026-06-03 | Moylan John Patrick Chief Accounting Officer | Shares withheld for tax | 2.6K | 8.75 | 22.3K |
| 2026-05-18 | Rocklin Amy M Former Chief Legal Officer | Option exercise | 35.2K | 9.29 | 326.9K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 303.0M | 32.6M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 119.2M | 12.8M |
| VANGUARD CAPITAL MANAGEMENT LLC | 88.9M | 9.6M |
| DIMENSIONAL FUND ADVISORS LP | 84.8M | 9.1M |
| ING GROEP NV | 82.7M | 8.9M |
| STATE STREET CORP | 79.8M | 8.6M |
| MACKENZIE FINANCIAL CORP | 72.5M | 7.8M |
| NEUBERGER BERMAN GROUP LLC | 72.0M | 7.8M |
| Hudson Bay Capital Management LP | 60.4M | 6.5M |
| Gates Capital Management, Inc. | 58.1M | 6.3M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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