STAI · ScanTech AI Systems Inc. · Insider Trading
Substantial doubt about the company's ability to continue as a going concern.
“As a result of the foregoing, management has determined that there is substantial doubt about the Company’s ability to continue as a going concern for at least one year from the date these condensed consolidated financial statements are issued.”View the 10-Q filed Dec 15, 2025
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-02-10 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Sell↓
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Shares 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. |
Common Stock, par value $0.0001 per share
(I)
|
70,000 |
| 2025-12-22 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Sell↓
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Shares 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. |
Common Stock, par value $0.0001 per share
(I)
|
3,000 |
| 2025-12-17 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Sell↓
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Shares 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. |
Common Stock, par value $0.0001 per share
(I)
|
100 |
| 2025-12-16 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Sell↓
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Shares 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. |
Common Stock, par value $0.0001 per share
(I)
|
3,000 |
| 2025-10-28 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Sell↓
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Shares 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. |
Common Stock, par value $0.0001 per share
(I)
|
10,000 |
| 2025-10-27 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Sell↓
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Shares 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. |
Common Stock, par value $0.0001 per share
(I)
|
133,628 |
| 2025-10-10 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Sell↓
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Shares 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. |
Common Stock, par value $0.0001 per share
(I)
|
125,000 |
| 2025-09-19 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Sell↓
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Shares 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. |
Common Stock, par value $0.0001 per share
(I)
|
115,000 |
| 2025-09-03 | Falconer Dolan |
Director, Chief Executive Officer |
Other↓
Filing footnotes — Common Stock (Direct)
Represents a voluntary forfeiture of restricted stock units that were granted on May 2, 2025 pursuant to the 2023 ScanTech AI Systems Inc. Equity Incentive Plan. |
Common Stock
|
207,256 |
| 2025-07-30 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Sell↓
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Shares 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. |
Common Stock, par value $0.0001 per share
(I)
|
110,000 |
| 2025-07-29 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Sell↓
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Shares 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. |
Common Stock, par value $0.0001 per share
(I)
|
5,000 |
| 2025-07-01 | WILLIAMS DEMEAKEY VOSHAY Sr |
See Remarks |
Award↑
Filing footnotes — Common Stock (Indirect)
Represents the grant of common stock pursuant to the 2023 ScanTech AI Systems Inc. Equity Incentive Plan. The Shares are held of record by Crane Consulting Firm, Corp. ("Crane"). Mr. Williams is the sole owner of Crane and in such capacity has voting and investment discretion with respect to the Shares held of record by Crane. By virtue of this relationship, Mr. Williams may be deemed to share beneficial ownership of the Shares held of record by Crane. Mr. Williams disclaims any such beneficial ownership except to the extent of his pecuniary interest therein. |
Common Stock
(I)
|
343,602 |
| 2025-05-14 | WILLIAMS DEMEAKEY VOSHAY Sr |
See Remarks |
Award↑
|
Common Stock
|
4,268 |
| 2025-05-02 | White James Clinton Jr. |
Chief Financial Officer |
Award↑
Filing footnotes — Common Stock (Direct)
Grant of shares upon vesting of restricted stock units. |
Common Stock
|
286,859 |
| 2025-05-02 | Forbes Alfred IV |
VP and Chief Science Officer |
Award↑
Filing footnotes — Common Stock (Direct)
Grant of shares upon vesting of restricted stock units. |
Common Stock
|
402,073 |
| 2025-05-02 | Brenza Karl |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Grant of shares upon vesting of restricted stock units. |
Common Stock
|
800,577 |
| 2025-05-02 | Falconer Dolan |
Director, Chief Executive Officer |
Award↑
Filing footnotes — Common Stock (Direct)
Grant of shares upon vesting of restricted stock units. |
Common Stock
|
800,577 |
| 2025-05-02 | Green Christopher Kareem |
Vice President and CTO |
Award↑
Filing footnotes — Common Stock (Direct)
Grant of shares upon vesting of restricted stock units. |
Common Stock
|
386,720 |
| 2025-05-02 | Starns Marion IV |
EVP and COO |
Award↑
Filing footnotes — Common Stock (Direct)
Grant of shares upon vesting of restricted stock units. |
Common Stock
|
500,974 |
| 2025-04-17 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Other↑
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Represents shares of Common Stock of ScanTech AI Systems Inc. (the "Issuer") received by SIBS in settlement of debts previously contracted. Shares held directly by Seaport Group SIBS LLC ("SIBS"). SIBS is managed by Seaport Global Asset Management LLC ("SGAM"). |
Common Stock, par value $0.0001 per share
(I)
|
5,350,000 |
| 2025-04-02 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Exercise↑
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Shares held directly by Seaport Group SIBS LLC ("SIBS"). SIBS is managed by Seaport Global Asset Management LLC ("SGAM"). |
Common Stock, par value $0.0001 per share
(I)
|
3,000,000 |
| 2025-04-02 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Exercise↓
Filing footnotes — Warrant (right to buy) (Indirect)
Shares held directly by Seaport Group SIBS LLC ("SIBS"). SIBS is managed by Seaport Global Asset Management LLC ("SGAM"). |
Warrant (right to buy)
(I)
|
3,000,000 |
| 2025-04-02 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Other↑
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Represents shares of Common Stock of ScanTech AI Systems Inc. (the "Issuer") received by SIBS in settlement of debts previously contracted. Shares held directly by Seaport Group SIBS LLC ("SIBS"). SIBS is managed by Seaport Global Asset Management LLC ("SGAM"). |
Common Stock, par value $0.0001 per share
(I)
|
200,000 |
| 2025-04-02 | Brenza Karl |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Represents shares issued as merger consideration, 90 days after the closing of the business combination involving the Issuer that occurred on January 2, 2025. Represents shares issued to the company holders per the business combination consummated on January 2, 2025. No consideration was paid for the shares, however the shares, in the aggregate, are valued at $5,000, the cost basis for tax purposes only. |
Common Stock
|
690,000 |
| 2025-02-18 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Other↓
Filing footnotes — Convertible Promissory Note (Indirect)
Represents shares of Common Stock of ScanTech AI Systems Inc. (the "Issuer") received by SIBS in settlement of debts previously contracted. Shares held directly by Seaport Group SIBS LLC ("SIBS"). SIBS is managed by Seaport Global Asset Management LLC ("SGAM"). |
Convertible Promissory Note
(I)
|
1,000,000 |
| 2025-02-18 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Other↑
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Shares held directly by Seaport Group SIBS LLC ("SIBS"). SIBS is managed by Seaport Global Asset Management LLC ("SGAM"). |
Common Stock, par value $0.0001 per share
(I)
|
303,951 |
| 2025-02-18 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Other↑
Filing footnotes — Common Stock, par value $0.0001 per share (Indirect)
Represents shares of Common Stock of ScanTech AI Systems Inc. (the "Issuer") received by SIBS in settlement of debts previously contracted. Shares held directly by Seaport Group SIBS LLC ("SIBS"). SIBS is managed by Seaport Global Asset Management LLC ("SGAM"). |
Common Stock, par value $0.0001 per share
(I)
|
2,249,230 |
| 2025-02-18 | SEAPORT GLOBAL ASSET MANAGEMENT LLC |
10% Owner |
Other↑
Filing footnotes — Warrant (right to buy) (Indirect)
Received in exchange for the forfeit by SIBS of shares of ScanTech Identification Beams Systems, LLC ("ScanTech") held by SIBS in connection with ScanTech's business combination. Shares held directly by Seaport Group SIBS LLC ("SIBS"). SIBS is managed by Seaport Global Asset Management LLC ("SGAM"). |
Warrant (right to buy)
(I)
|
3,000,000 |