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 (Insider) Sell 70,000 shares, SEAPORT GLOBAL ASSET MANAGEMENT LLC (Insider) Sell 3,000 shares, SEAPORT GLOBAL ASSET MANAGEMENT LLC (Insider) Sell 3,000 shares, SEAPORT GLOBAL ASSET MANAGEMENT LLC (Insider) Sell 100 shares, SEAPORT GLOBAL ASSET MANAGEMENT LLC (Insider) Sell 133,628 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-12 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Sell | 70,000 | $34,300 |
| 2025-12-29 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Sell | 3,000 | $12,450 |
| 2025-12-18 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Sell | 3,000 | $12,870 |
| 2025-12-18 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Sell | 100 | $380 |
| 2025-10-29 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Sell | 133,628 | $92,203 |
| 2025-10-29 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Sell | 10,000 | $6,600 |
| 2025-10-15 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Sell | 125,000 | $91,250 |
| 2025-09-23 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Sell | 115,000 | $58,650 |
| 2025-09-04 | WILLIAMS DEMEAKEY VOSHAY Sr | See Remarks | 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 | Insider | Sell | 5,000 | $5,050 |
| 2025-07-31 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Sell | 110,000 | $104,500 |
| 2025-06-04 | WILLIAMS DEMEAKEY VOSHAY Sr | See Remarks | Buy | 4,268 | $4,652 |
| 2025-05-23 | Brenza Karl | Director | Buy | 690,000 | $0 |
| 2025-05-08 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Buy | 303,951 | $3.0M |
| 2025-05-08 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Buy | 2.2M | $0 |
| 2025-05-08 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Buy | 3.0M | $30,000 |
| 2025-05-08 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | Buy | 200,000 | $0 |
| 2025-05-08 | SEAPORT GLOBAL ASSET MANAGEMENT LLC | Insider | 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
