Archimedes Tech SPAC Partners III Co. (ARCI)
Data as of , from SEC Form 4 filings.
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About Archimedes Tech SPAC Partners III Co. (ARCI)
The SEC lists Archimedes Tech SPAC Partners III Co. under CIK 0002083910, in blank checks. We track it alongside the rest of the Financials sector. Its offering priced on 26 January 2026 and it trades on NASDAQ.
ARCI Form 4 activity by transaction type, last 90 days
No Form 4 activity for ARCI in the last 90 days.
ARCI insider transactions (Form 4)
42 Form 4 filings on record, the earliest from Jan 26, 2026, newest first.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Archimedes Tech SPAC Sponsors III LLC - 10% Owner | Open-market purchase | Ordinary Shares | 390,000 | - footnote F1 | - | |
| Archimedes Tech SPAC Sponsors III LLC - 10% Owner | Open-market purchase | Warrants to purchase Ordinary Shares | 97,500 | - footnote F1 | - | |
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| Long Long - Officer | Open-market purchase | Ordinary Shares | 390,000 | - footnote F1 | - | |
| Long Long - Officer | Open-market purchase | Warrants to purchase Ordinary Shares | 97,500 | - footnote F1 | - | |
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ARCI insider trading FAQ
What is the latest insider trade for ARCI?
Archimedes Tech SPAC Partners III Co. (ARCI) has filed no insider reports in the last 90 days. The most recent on record is dated 26 January 2026. The full record for ARCI runs to 2 Form 4 filings, the earliest from 26 January 2026. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying ARCI stock?
No insider purchases of ARCI were filed in the last 90 days. 4 purchases are on record for this company.
How many insiders are selling ARCI stock?
No insider sales of ARCI were filed in the last 90 days.
Where can I see ARCI SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects ARCI Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Recent insider filings
2The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Archimedes Tech SPAC Sponsors III LLC view on EDGAR
- - Long Long view on EDGAR
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Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Financials
- Where ARCI's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow ARCI with a 7-day demo
- ARCI on your watchlist
- Every ARCI Form 4 filing on record
- Up to 3 months of ARCI price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
