ATIINasdaqBlank ChecksFiscal year ends December 31Also trades as ATIIU, ATIIW
Archimedes Tech SPAC Partners II Co.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 13, 2026
$8.54−0.74 (-8.02%)
Close on Oct 19, 2026
- Market cap
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- P/E (TTM)
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- Dividend yield
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Ownership
Who owns Archimedes Tech SPAC Partners II's shares
Held by institutions
–
Shares held, 13F filers
Institutional holders
–
Net institutional buying
–
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Robin Shah | 1,500,000 | 5.10% | 13G (passive) amendment | Sep 30, 2025 |
| Sculptor Capital Holding Corp | 1,300,000 | 5.05% | 13G (passive) | Feb 11, 2025 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| Long Long | Chief Executive Officer, Director, 10% owner | 6,280,000 | Feb 12, 2025 |
| Daniel L. Sheehan | Chief Financial Officer | – | Feb 10, 2025 |
| Eric R. Ball | Director | – | Feb 10, 2025 |
| Stephen N. Cannon | Director | – | Feb 10, 2025 |
| Vishwesh Pai | Director | – | Feb 10, 2025 |
| Jack Griffith Crawford | Director | – | Feb 10, 2025 |
| Tech SPAC Sponsors II LLC Archimedes | 10% owner | 6,280,000 | Feb 12, 2025 |
| Tech SPAC Partners II Co. Archimedes | 10% owner | 5,750,000 | Feb 10, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Long Long Chief Executive Officer, Director, 10% owner | Feb 12, 2025 | Buy | +530,000 | – | – | 6,280,000 |
| Tech SPAC Sponsors II LLC Archimedes 10% owner | Feb 12, 2025 | Buy | +530,000 | – | – | 6,280,000 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.