ScanTech AI Systems STAI Insider Ownership

Updated Oct 11, 2026

In the last 12 months, insiders at ScanTech AI Systems made open-market sales of $159,302 and bought no shares on the open market.

• Seaport Global Asset Management LLC (10% owner) sold the most ScanTech AI Systems stock on the open market over the past 12 months, $159,302, most recently on February 10, 2026.
• Business Quant data puts insider holdings in STAI at 934.83K shares across insiders' latest Form 4 filings, unchanged from 934.83K shares at the end of Q2 2026 and down 8.74% from 1.02Mn shares (split-adjusted) at the end of Q3 2025.
• Of the 934.83K shares held by ScanTech AI Systems insiders, 185.57K shares (19.85%) are held directly and 749.26K shares (80.15%) indirectly, through trusts, partnerships, family members and other entities.
• Per Business Quant, 8 insiders of STAI hold shares, counting officers, directors and 10% owners who have filed a Form 4 in the past two years.
• ScanTech AI Systems' top three insider holders by shares held are Seaport Global Asset Management LLC (10% owner, 731.87K shares), Karl Brenza (Director, 57.28K shares) and Dolan Falconer (Chief Executive Officer, 43.2K shares).
• Seaport Global Asset Management LLC alone accounts for 78.29% of the shares held by ScanTech AI Systems insiders.
• A total of 5 Form 4 filings with transactions in ScanTech AI Systems stock were made over the past 12 months, by one insider.
• This summary of ScanTech AI Systems insider activity covers Form 4 filings through February 12, 2026.