NextCure NXTC Insider Ownership

Updated Oct 5, 2026

Over the past year, NXTC insiders bought $1.71 million of stock (346.76K shares) and sold $184,800 (30K shares) on the open market.

• Among NextCure's insiders, the largest open-market purchases in the past 12 months were by Adar1 Capital Management, LLC (10% owner), totaling $1.71 million (346.76K shares), most recently on July 31, 2026.
• Meanwhile, the largest open-market sales of NXTC in the past 12 months were by Simcere Zaiming, Inc., totaling $184,800 (30K shares), most recently on August 10, 2026.
• Per Business Quant data, NextCure insiders hold 1.03Mn shares in total based on their latest Form 4 filings.
• NextCure insiders report no direct holdings: all 1.03Mn shares are held indirectly.
• Holdings in NextCure stock are reported by 2 insiders, the officers, directors and 10% owners who have filed a Form 4 in the past two years.
• NextCure's two largest insider shareholders, based on their latest Form 4 filings, are Adar1 Capital Management, LLC (10% owner, 722.42K shares) and Simcere Zaiming, Inc. (308.64K shares).
• Of the shares held by NXTC insiders, 70.07% belong to Adar1 Capital Management, LLC.
• Institutions held 32.68% of NextCure's outstanding shares in their Q2 2026 13F filings, insiders about 19.42% based on their latest Form 4 filings, and other investors, including the public, the remaining 47.90%.
• Over the past 12 months, 14 insiders reported transactions in NextCure stock in 15 Form 4 filings.
• These insider figures for NextCure are based on Form 4 filings through August 12, 2026.