Form 4: Seaport Global Sells ScanTech AI Systems Shares

Seaport Global Asset Management, a 10% owner and director of ScanTech AI Systems, reported the sale of 3,000 common shares at $4.15 each.

Summary

• SEAPORT GLOBAL ASSET MANAGEMENT LLC, identified as a 10% owner and director of ScanTech AI Systems Inc. (STAI), reported a change in beneficial ownership.
• On December 22, 2025, 3,000 shares of ScanTech AI Systems Inc. common stock, with a par value of $0.0001 per share, were disposed of.
• The shares were sold at a price of $4.15 per share.
• Following this transaction, SEAPORT GLOBAL ASSET MANAGEMENT LLC beneficially owns 801,867 shares indirectly.
• The indirect ownership is through Seaport Group SIBS LLC, which is managed by Seaport Global Asset Management LLC.
• The transaction was made pursuant to a Rule 10b5-1(c) trading plan.

Sentiment

Score: 4

Explanation: The sale of shares by a 10% owner and director, even under a 10b5-1 plan, can be viewed with slight caution by the market, though the amount is relatively small compared to total holdings. The pre-planned nature mitigates some negative sentiment.

Positives

• The transaction was executed under a Rule 10b5-1(c) plan, indicating a pre-scheduled sale rather than a reaction to immediate, non-public information.

Negatives

• A 10% owner and director sold shares, which could be interpreted by the market as a potential signal, depending on the context of the company's performance and stock price.

Risks

• Insider selling, even when conducted under a Rule 10b5-1 plan, can sometimes be perceived negatively by investors, potentially leading to downward pressure on the stock price if interpreted as a lack of confidence.

Future Outlook

The filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategic direction.

Management Comments

• Shares are held directly by Seaport Group SIBS LLC ('SIBS'). SIBS is managed by Seaport Global Asset Management LLC ('SGAM'). Stephen C. Smith is the manager of SGAM.

Industry Context

This Form 4 filing is a routine disclosure of insider trading activity and does not provide specific details about broader industry trends or the competitive landscape for ScanTech AI Systems Inc. However, insider selling can sometimes be a data point for market participants assessing company-specific sentiment within the AI systems industry.

Stakeholder Impact

• Shareholders: May interpret the insider sale as a signal, potentially influencing their investment decisions.
• Management: The transaction itself does not directly impact company operations or strategy.

Next Steps

• The filing does not mention any specific future actions, events, or milestones for ScanTech AI Systems Inc. or the reporting person beyond the reported transaction.

Key Dates

Recommendation

The filing reports a routine insider sale by a 10% owner and director under a pre-arranged 10b5-1 plan. While insider selling can sometimes be a negative signal, the relatively small number of shares sold (3,000) compared to the remaining beneficial ownership (801,867 shares) and the pre-planned nature of the transaction suggest it may not reflect a significant change in the insider's long-term view of the company. Investors should monitor future insider activity and company performance, but this single transaction does not warrant a strong buy or sell recommendation.

Keywords

ScanTech AI Systems, STAI, Insider Sale, Form 4, Beneficial Ownership, Seaport Global Asset Management, 10b5-1 plan, Equity Transaction