Holder evidence
13
SEC ownership of ScanTech AI Systems Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001994624.
Lead holder
SEAPORT GLOBAL ASSET MANAGEMENT LLC
13D/G signal
SEAPORT GLOBAL ASSET MANAGEMENT LLC
Latest evidence
10 Feb 2026
- CIK
- 0001994624
- Symbol
- STAI on OTC
- Location
- New York, NY
- SEC evidence mix
- 13D/G and 3/4/5
- Lead holder
- SEAPORT GLOBAL ASSET MANAGEMENT LLC
- Latest large-stake holder
- SEAPORT GLOBAL ASSET MANAGEMENT LLC
- Latest evidence date
- 10 Feb 2026
Issuer identity
Ownership snapshot
Ownership snapshot
Top shareholders of ScanTech AI Systems Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
SEAPORT GLOBAL ASSET MANA...
13D/G signal
SEAPORT GLOBAL ASSET MANA...
Evidence rows
13
Latest as of
10 Feb 2026
13D/G
3/4/5
Lead comparable stake: 16%
13D/G row: SEAPORT GLOBAL ASSET MANAGEMENT LLC
Showing 1-8 of 13 holder rows.
Rank 1 holder
SEAPORT GLOBAL ASSET MANAGEMENT LLC
13D/G
3/4/5
- Ownership
- 16%
- Position
- $1.94M
Rank 2 holder
York Capital Management Global Advisors, LLC
13D/G
- Ownership
- 6.6%
- Position
- $2.64M
Rank 3 holder
Shanchun Huang
13D/G
- Ownership
- 5.5%
- Position
- $2M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| SEAPORT GLOBAL ASSET MANAGEMENT LLC |
13D/G
3/4/5
10%+ Owner
|
16%
|
$1,939,448
731,867 shares
|
-$193,450 | 10 Feb 2026 |
| York Capital Management Global Advisors, LLC |
13D/G
|
6.6%
|
$2,635,000
1,700,000 shares
|
$0 | 19 May 2025 |
| Shanchun Huang |
13D/G
|
5.5%
|
$1,999,651
2,438,599 shares
|
$0 | 02 Apr 2025 |
| Polar Asset Management Partners Inc. |
13D/G
|
0.11%
|
$200,002
75,000 shares
|
-$3,800,048 | 31 Dec 2025 |
| Karl Brenza |
3/4/5
Director
|
2.6%
|
$2,845,144
1,835,577 shares
|
— | 02 May 2025 |
| Dolan Falconer |
3/4/5
Chief Executive Officer, Director
|
1.2%
|
$406,113
864,072 shares
|
— | 03 Sep 2025 |
| Marion Starns IV |
3/4/5
EVP and COO
|
0.77%
|
$932,309
545,210 shares
|
— | 02 May 2025 |
| Alfred Forbes IV |
3/4/5
VP and Chief Science Officer
|
0.62%
|
$752,700
440,176 shares
|
— | 02 May 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$391,946.
Buys
$0
Insiders: 0
Sells
$391,946
Insiders: 1
Net
-$391,946
Shares: -568,628
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 568,628
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 70,000 | $0 | $34,118 | -$34,118 |
| 6-9 | 0 | 383,628 | $0 | $248,498 | -$248,498 |
| 9-12 | 0 | 115,000 | $0 | $109,330 | -$109,330 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-15 of 15 reporting-owner rows connected to ScanTech AI Systems Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
15
Lead holder
Karl Brenza
Net 12M change
-$391,946
Latest report
10 Feb 2026
Recent insider transactions for ScanTech AI Systems Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Seaport Global Asset Management Llc | STAI | Common Stock, par value $0.0001 per share | Sale | -8.73% | $34,118 | $0.4874 | -70,000 | 731,867 | 10 Feb 2026 | See footnote |
| Seaport Global Asset Management Llc | STAI | Common Stock, par value $0.0001 per share | Sale | -0.37% | -3,000 | 801,867 | 22 Dec 2025 | See footnote | ||
| Seaport Global Asset Management Llc | STAI | Common Stock, par value $0.0001 per share | Sale | -0.01% | -100 | 804,867 | 17 Dec 2025 | See footnote | ||
| Seaport Global Asset Management Llc | STAI | Common Stock, par value $0.0001 per share | Sale | -0.37% | -3,000 | 804,967 | 16 Dec 2025 | See footnote | ||
| Seaport Global Asset Management Llc | STAI | Common Stock, par value $0.0001 per share | Sale | -0.06% | $6,616 | $0.6616 | -10,000 | 16,159,345 | 28 Oct 2025 | See footnote |
| Seaport Global Asset Management Llc | STAI | Common Stock, par value $0.0001 per share | Sale | -0.82% | $92,858 | $0.6949 | -133,628 | 16,169,345 | 27 Oct 2025 | See footnote |
| Seaport Global Asset Management Llc | STAI | Common Stock, par value $0.0001 per share | Sale | -0.76% | $90,650 | $0.7252 | -125,000 | 16,302,973 | 10 Oct 2025 | See footnote |
| Seaport Global Asset Management Llc | STAI | Common Stock, par value $0.0001 per share | Sale | -0.7% | $58,374 | $0.5076 | -115,000 | 16,427,973 | 19 Sep 2025 | See footnote |
| Dolan Falconer | STAI | Common Stock | Disposed to Issuer | -19.4% | -207,256 | 864,072 | 03 Sep 2025 | Direct | ||
| Seaport Global Asset Management Llc | STAI | Common Stock, par value $0.0001 per share | Sale | -0.66% | $104,280 | $0.9480 | -110,000 | 16,542,973 | 30 Jul 2025 | See footnote |
| Seaport Global Asset Management Llc | STAI | Common Stock, par value $0.0001 per share | Sale | -0.03% | $5,050 | $1.01 | -5,000 | 16,652,973 | 29 Jul 2025 | See footnote |
| Sole Owner DeMeakey Williams | STAI | Common Stock | Award | 8050.7% | 343,602 | 347,870 | 01 Jul 2025 | By Crane Consulting Firm, Corp. |
* indicates a reported price that failed the local validity check.