SEC ownership of ScanTech AI Systems Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001994624.

Comparable stake leader

SEAPORT GLOBAL ASSET MANAGEMENT LLC

Disclosed value leader

Karl Brenza

Comparable rows

11/13

Latest evidence

10 Feb 2026

Top shareholders Insider holders Latest transactions
Public ticker
STAI on OTC
Parsed ownership sources
13D/G and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder
SEAPORT GLOBAL ASSET MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
11 of 13
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
SEAPORT GLOBAL ASSET MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
10 Feb 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001994624
Issuer location
New York, NY

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.

Comparable stake leader
SEAPORT GLOBAL ASSET MANA...
Disclosed value leader
Karl Brenza
Comparable rows
11/13
Latest evidence
10 Feb 2026
13D/G 3/4/5 Lead comparable stake: 16% 2 rows are not safely comparable across share classes. 13D/G row: SEAPORT GLOBAL ASSET MANAGEMENT LLC Showing 1-8 of 13 holder rows.

Quick read

SEAPORT GLOBAL ASSET MANAGEMENT LLC leads the comparable SEC ownership view at 16%.

11 of 13 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens SEAPORT GLOBAL ASSET MANAGEMENT LLC's linked filing trail.
Comparable ownership Top 5
SEAPORT GLOBAL ASSET MANAGEMENT LLC 16%
York Capital Management Global Ad... 6.6%
Shanchun Huang 5.5%
Polar Asset Management Partners Inc. 0.11%
Karl Brenza 2.6%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 13 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
SEAPORT GLOBAL ASSET MANAGEMENT LLC
13D/G 3/4/5
10%+ Owner
13D/G 3/4/5
16%
$1,939,448
731,867 shares
 -$193,450 10 Feb 2026
York Capital Management Global Advisors, LLC
13D/G
13D/G
6.6%
$2,635,000
1,700,000 shares
 $0 19 May 2025
Shanchun Huang
13D/G
13D/G
5.5%
$1,999,651
2,438,599 shares
 $0 02 Apr 2025
Polar Asset Management Partners Inc.
13D/G
13D/G
0.11%
$200,002
75,000 shares
 -$3,800,048 31 Dec 2025
Karl Brenza
3/4/5
Director
3/4/5
2.6%
$2,845,144
1,835,577 shares
 — 02 May 2025
Dolan Falconer
3/4/5
Chief Executive Officer, Director
3/4/5
1.2%
$406,113
864,072 shares
 — 03 Sep 2025
Marion Starns IV
3/4/5
EVP and COO
3/4/5
0.77%
$932,309
545,210 shares
 — 02 May 2025
Alfred Forbes IV
3/4/5
VP and Chief Science Officer
3/4/5
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 0 268,628 $0 $190,124 -$190,124
9-12 0 230,000 $0 $167,704 -$167,704

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
Largest Forms 3/4/5 holder
Karl Brenza
Net 12M change
-$391,946
Latest report
10 Feb 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Karl Brenza Director $2,845,144 Mixed 02 May 2025
Marion Starns IV EVP and COO $932,309 Mixed 02 May 2025
Alfred Forbes IV VP and Chief Science Officer $752,700 Mixed 02 May 2025
Christopher Kareem Green Vice President and CTO $727,184 Mixed 02 May 2025
James White Clinton Jr. Chief Financial Officer $490,528 Mixed 02 May 2025
Dolan Falconer Chief Executive Officer, Director $406,113 Mixed 03 Sep 2025
SEAPORT GLOBAL ASSET MANAGEMENT LLC 10%+ Owner $356,711 -$391,946 -52% Filing P/S 10 Feb 2026
Sole Owner DeMeakey Williams Senior Vice President of Sales, Business Development, and Investor Relations $176,161 Mixed 01 Jul 2025
Roosevelt Council Director Mixed 21 Nov 2025
James M. Jenkins Director Mixed 17 Jan 2025
Keisha Bottoms Director Mixed 17 Jan 2025
Michael Christopher McGarrity Director Mixed 17 Jan 2025
Charles Thomas McMillen Director Mixed 17 Jan 2025
Bradley Buswell Director Mixed 17 Jan 2025
Michael David Palmer Cavanaugh Director Mixed 08 Dec 2025

Recent insider transactions for ScanTech AI Systems Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-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
* marks a reported price that did not pass the local price check.
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