Long Long - 22 Jan 2026 Form 3 Insider Report for Archimedes Tech SPAC Partners III Co. (ARCI)

Role: Chief Executive Officer, Director, 10%+ Owner
Signature: /s/ Long Long
Issuer symbol: ARCI
Transactions as of: 22 Jan 2026
Net transactions value: $0
Form type: 3
Filing time: 23 Jan 2026, 16:18:48 UTC
Previous filing: 12 Feb 2025
Next filing: 26 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Long Long	Chief Executive Officer, Director, 10%+ Owner	2093 PHILADELPHIA PIKE #1968, CLAYMONT	/s/ Long Long	23 Jan 2026	0001793151

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ARCI	Ordinary Shares						6,900,000	22 Jan 2026	See Footnote	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Consists of shares owned by Archimedes Tech SPAC Sponsors III LLC (the "sponsor"). Long Long is the managing member of the sponsor and has voting and dispositive power over the shares owned by the sponsor. Mr. Long disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest he may have therein, directly or indirectly.