Neogen NEOG Insider Ownership

Updated Nov 5, 2026

In the last 12 months, insiders at Neogen made open-market purchases of $12,421 (1.08K shares) and open-market sales of $114,676 (9.05K shares).

• Among Neogen's insiders, the largest open-market purchases in the past 12 months were by Mikheal Nassif (CEO), totaling $12,421 (1.08K shares), most recently on October 9, 2026.
• On the sell side, Jeremy Yarwood (Chief Scientific Officer) led open-market sales of Neogen stock over the past 12 months with $114,676 (9.05K shares), most recently on November 4, 2026.
• Apart from open-market trades, NEOG insiders received 354.02K shares in stock awards, acquired 72.13K shares through option exercises and conversions and gave up 22.93K shares to cover taxes or exercise prices in the past 12 months.
• Business Quant data puts insider holdings in NEOG at 1.38Mn shares across insiders' latest Form 4 filings, or 0.63% of the 218.31Mn shares outstanding; that total is down 1.55% from 1.4Mn shares at the end of Q3 2025.
• By type of ownership, NEOG insiders hold 99.89% of their shares directly (1.38Mn shares) and 0.11% indirectly (1.58K shares).
• Per Business Quant, 22 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 James C. Borel (Director, 106.74K shares), based on their latest Form 4 filings.
• John Edward Adent alone accounts for 26.30% of the shares held by Neogen insiders.
• A total of 39 Form 4 filings with transactions in Neogen stock were made over the past 12 months, by 18 insiders.
• This summary of Neogen insider activity covers Form 4 filings through November 4, 2026.