Every Form 4 that SCANTECH AI SYSTEMS INC (STAI) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow STAI and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full STAI filings page.
ScanTech AI Systems Inc. reported an insider transaction by a major shareholder. Seaport Global Asset Management LLC, a 10% owner, reported that Seaport Group SIBS LLC sold 70,000 shares of ScanTech AI common stock in an open-market transaction on February 10, 2026 at $0.4874 per share, leaving 731,867 shares indirectly owned.
ScanTech AI Systems Inc. director-affiliated entities reported small open-market sales of common stock. On December 16, 2025, 3,000 shares of common stock, par value $0.0001 per share, were sold at a price of $4.2933 per share. On December 17, 2025, an additional 100 shares were sold at a price of $3.80 per share. After these transactions, a total of 804,867 shares of ScanTech AI Systems Inc. common stock are reported as beneficially owned indirectly through Seaport Group SIBS LLC, which is managed by Seaport Global Asset Management LLC.
ScanTech AI Systems Inc. (STAI) — Form 4 insider transaction
A reporting person sold common stock in two open-market transactions. On 10/27/2025, 133,628 shares were sold at $0.6949. On 10/28/2025, 10,000 shares were sold at $0.6616. Following these transactions, 16,159,345 shares were beneficially owned on an indirect basis.
According to a footnote, the shares are held by Seaport Group SIBS LLC, which is managed by Seaport Global Asset Management LLC; Stephen C. Smith is the manager of Seaport Global Asset Management LLC.
ScanTech AI Systems (STAI) reported an insider transaction on a Form 4. On 10/10/2025, the reporting person sold 125,000 shares of common stock at a price of $0.7252 per share (transaction code S).
Following the sale, the reporting person reported 16,302,973 shares beneficially owned, marked as Indirect (I). A footnote states the shares are held by Seaport Group SIBS LLC (managed by Seaport Global Asset Management LLC), and Stephen C. Smith is the manager of SGAM. The relationship to the issuer is indicated as Director.
Seaport Global Asset Management LLC reported a sale of 115,000 shares of ScanTech AI Systems Inc. (STAI) common stock. The shares were disposed at a price of $0.5076 per share. After the reported transaction, the reporting person beneficially owns 16,427,973 shares indirectly through an affiliated entity; those shares are managed by Seaport Global Asset Management LLC with an additional ownership link to an identified manager. The filing identifies the transaction as a direct sale by the reporting entity and provides an explanation of indirect ownership but contains no other financial metrics or forward-looking commentary.