8 insiders reported 25 Form 4 transactions for ScanTech AI Systems Inc. (STAI) over the past 18 months (most recent 2026-02-12). Recent activity: SEAPORT GLOBAL ASSET MANAGEMENT LLC (10% Owner) Sell 70,000 shares, SEAPORT GLOBAL ASSET MANAGEMENT LLC (10% Owner) Sell 3,000 shares, SEAPORT GLOBAL ASSET MANAGEMENT LLC (10% Owner) Sell 3,000 shares, SEAPORT GLOBAL ASSET MANAGEMENT LLC (10% Owner) Sell 100 shares, SEAPORT GLOBAL ASSET MANAGEMENT LLC (10% Owner) Sell 133,628 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-12 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Sell | 70,000 | $34,300 |
| 2025-12-29 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Sell | 3,000 | $12,450 |
| 2025-12-18 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Sell | 3,000 | $12,870 |
| 2025-12-18 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Sell | 100 | $380 |
| 2025-10-29 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Sell | 133,628 | $92,203 |
| 2025-10-29 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Sell | 10,000 | $6,600 |
| 2025-10-15 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Sell | 125,000 | $91,250 |
| 2025-09-23 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Sell | 115,000 | $58,650 |
| 2025-09-04 | WILLIAMS DEMEAKEY VOSHAY Sr | Senior Vice President of Sales, Business Development, and Investor Relations | Buy | 343,602 | $175,237 |
| 2025-09-04 | Falconer Dolan | Chief Executive Officer | Sell | 207,256 | $0 |
| 2025-07-31 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Sell | 5,000 | $5,050 |
| 2025-07-31 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Sell | 110,000 | $104,500 |
| 2025-06-04 | WILLIAMS DEMEAKEY VOSHAY Sr | VP Sales, Business Development, and Investor Relations | Buy | 4,268 | $4,652 |
| 2025-05-23 | Brenza Karl | Director | Buy | 690,000 | $0 |
| 2025-05-08 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Buy | 303,951 | $3.0M |
| 2025-05-08 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Buy | 2.2M | $0 |
| 2025-05-08 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Buy | 3.0M | $30,000 |
| 2025-05-08 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Buy | 200,000 | $0 |
| 2025-05-08 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | 10% Owner | Buy | 5.3M | $0 |
| 2025-05-07 | Forbes Alfred IV | VP and Chief Science Officer | Buy | 402,073 | $0 |
| 2025-05-07 | Starns Marion IV | EVP and COO | Buy | 500,974 | $0 |
| 2025-05-06 | White James Clinton Jr. | Chief Financial Officer | Buy | 286,859 | $0 |
| 2025-05-06 | Brenza Karl | Director | Buy | 800,577 | $0 |
| 2025-05-06 | Falconer Dolan | Chief Executive Officer | Buy | 800,577 | $0 |
| 2025-05-06 | Green Christopher Kareem | Vice President and CTO | Buy | 386,720 | $0 |
Source: SEC Form 4 filings · as of 2026-02-12