Archimedes Tech SPAC Partners II Co. (ATII) Insider Ownership

Historic Insider Ownership Trends

Archimedes Tech SPAC Partners's three largest insider shareholders as of March 23, 2026 are Long Long (Chief Executive Officer, 6.28Mn shares), Tech Spac Sponsors Ii Llc Archimedes (TenPercentOwner, 6.28Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Long Long Chief Executive Officer 0 6,280,000 12 Feb, 2025
Tech Spac Sponsors Ii Llc Archimedes 6,280,000 0 12 Feb, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
12 Feb, 2025 Tech Spac Sponsors Ii Llc Archimedes Ordinary shares A 530,000 - 6,280,000 D P
12 Feb, 2025 Long Long Ordinary shares A 530,000 - 6,280,000 I P
12 Feb, 2025 Long Long Warrants to purchase ordinary shares A 265,000 - 265,000 I P
12 Feb, 2025 Tech Spac Sponsors Ii Llc Archimedes Warrants to purchase ordinary shares A 265,000 - 265,000 D P