Insider Ledger

ARCI insider buying and SEC filings, explained

Archimedes Tech SPAC Partners III Co. · CIK 2083910

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges
Nasdaq, Nasdaq, Nasdaq
Industry (SIC)
Blank Checks
State of incorporation
E9
Fiscal year end
Dec 31

Insider activity in the last 12 months

Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Jan 26, 2026Other purchaseArchimedes Tech SPAC Sponsors III LLC (10% owner) bought 97,500 shares; the filing does not report a price. New position of 97,500 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 26, 2026
Jan 26, 2026Purchase (code P)Archimedes Tech SPAC Sponsors III LLC (10% owner) bought 390,000 shares; the filing does not report a price. New position of 390,000 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 26, 2026
Jan 26, 2026Other purchaseLong Long (CEO and Director) bought 97,500 shares indirectly; the filing does not report a price. New position of 97,500 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 26, 2026
Jan 26, 2026Purchase (code P)Long Long (CEO and Director) bought 390,000 shares indirectly; the filing does not report a price. New position of 390,000 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 26, 2026

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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