Neogen NEOG Insider Ownership

Updated Oct 10, 2026

In the last 12 months, insiders at Neogen made open-market purchases of $13,528 (1.26K shares) and sold no shares on the open market.

• Among Neogen's insiders, the largest open-market purchases in the past 12 months were by Mikheal Nassif (CEO), totaling $13,528 (1.26K shares), most recently on October 9, 2026.
• Apart from open-market trades, NEOG insiders received 565.68K shares in stock awards, acquired 127.89K shares through option exercises and conversions and gave up 35.07K shares to cover taxes or exercise prices in the past 12 months.
• Business Quant data puts insider holdings in NEOG at 1.28Mn shares across insiders' latest Form 4 filings, or 0.59% of the 218.31Mn shares outstanding.
• By type of ownership, NEOG insiders hold 99.88% of their shares directly (1.28Mn shares) and 0.12% indirectly (1.58K shares).
• Per Business Quant, 20 insiders of NEOG hold shares, counting officers, directors and 10% owners who have filed a Form 4 in the past two years.
• Neogen's three biggest insider holders are John Edward Adent (Former CEO, 363.08K shares), Mikheal Nassif (CEO, 143.21K shares) and Douglas Edward Jones (Former COO, 100.88K shares), based on their latest Form 4 filings.
• John Edward Adent alone accounts for 28.40% of the shares held by Neogen insiders.
• A total of 55 Form 4 filings with transactions in Neogen stock were made over the past 12 months, by 20 insiders.
• This summary of Neogen insider activity covers Form 4 filings through October 9, 2026.