ScanTech AI Systems Inc.
STAI- Exchange
- OTC
- Industry
- Instruments For Meas & Testing of Electricity & Elec Signals
- SEC CIK
- 0001994624
No open-market purchases or sales by ScanTech AI Systems Inc. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Holders of 5% or more of STAI
Holders whose latest Schedule 13D or 13G filing reports 5% or more of ScanTech AI Systems Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Seaport Global Asset Management LLC | 13D | 43.10%16.7M shares | New | May 8, 20251 filing | May 8, 2025 | SEC |
| Polar Asset Management Partners Inc. | 13G | 7.20%1.50M shares | New | May 15, 20251 filing | May 15, 2025 | SEC |
| York Capital Management Global Advisors, LLC | 13G | 6.60%1.70M shares | New | May 20, 20251 filing | May 20, 2025 | SEC |
| Huang Shanchun | 13G | 5.49%2.44M shares | New | Jul 8, 20251 filing | Jul 8, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
6 Schedule 13D and 13G filings on ScanTech AI Systems Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jul 8, 202512:52 PM ET | Huang Shanchun | 13G | 5.49%2.44M shares | New | Apr 2, 2025 | SEC |
| May 20, 20258:01 PM ET | York Capital Management Global Advisors, LLC | 13G | 6.60%1.70M shares | New | May 19, 2025 | SEC |
| May 15, 20257:13 AM ET | Polar Asset Management Partners Inc. | 13G | 7.20%1.50M shares | New | Mar 31, 2025 | SEC |
| May 8, 20255:07 PM ET | Seaport Global Asset Management LLC | 13D | 43.10%16.7M shares | New | Feb 18, 2025 | SEC |
| Mar 14, 20255:29 PM ET | Silverback Capital Corp | 13G | 0.00%0 shares | −6.41 ppfrom 6.41%Below 5% | Feb 12, 2025 | SEC |
| Feb 3, 20255:05 PM ET | Silverback Capital Corp | 13G | 6.41%1.20M shares | New | Jan 24, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell ScanTech AI Systems Inc. shares.
No Form 144 notices for ScanTech AI Systems Inc. are on file.