Archimedes Tech SPAC Partners III Co. (ARCI) discloses director Stephen N. Cannon as insider

Rhea-AI Filing Summary

Archimedes Tech SPAC Partners III Co. reported that Stephen N. Cannon serves as a director of the company. The disclosure shows no reported purchases, sales, or other equity transactions by Cannon, and no derivative positions are listed in the data provided.

Key Figures

Reported buy transactions: 0 Reported sell transactions: 0 Net buy/sell shares: 0 +2 more

5 metrics

Reported buy transactions 0 BuyCount in transaction summary for Stephen N. Cannon

Reported sell transactions 0 SellCount in transaction summary for Stephen N. Cannon

Net buy/sell shares 0 NetBuySellShares in transaction summary; direction neutral

Derivative transactions reported 0 DerivativeTransactionCount in transaction summary

Holding entries reported 0 HoldingEntries in transaction summary

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Understanding Insider Trading Forms →

Available on EDGAR 07/17/2026 - 03:33 PM Accepted by SEC EDGAR 07/17/2026 - 03:32 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Cannon Stephen N

(Last) (First) (Middle)

2093 PHILADELPHIA PIKE #1968

(Street)

CLAYMONT 19703

(City) (State) (Zip)

HONG KONG

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
07/13/2026

3. Issuer Name and Ticker or Trading Symbol
Archimedes Tech SPAC Partners III Co. [ ARCI ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Stephen N. Cannon	07/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)