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8-K3 ·Filed Jul 17, 2026

ARCI

Archimedes Tech SPAC Partners III Co.
NEUTRAL
Impact 2/10
Horizonimmediate Processed3mo ago SEC0001213900-26-079130
Actionable Insight • Neutral

Routine board appointment with no trading catalyst. Monitor for any future business combination announcement or material changes in SPAC trust status.

DirectionNeutral
Confidencehigh
Horizonimmediate
Final — all horizons settled through T+60d
ARCI ▼ -0.40% at T+60d
NEUTRAL call -0.40% · α vs SPY -5.08% · entry $10.09 → $10.05
Entry = T+0 close
Jul 17, 2026
via day close
T+1d
0.00%
call 0.00% · α +0.16%
$10.09
settled 3mo ago
T+5d
-0.10%
call -0.10% · α +0.59%
$10.08
settled 3mo ago
T+20d
+0.79%
call +0.79% · α -3.65%
$10.17
settled 3mo ago
T+60d
-0.40%
call -0.40% · α -5.08%
$10.05
settled 16d ago

Price Chart

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Executive Summary

Archimedes Tech SPAC Partners III Co. appointed Stephen N. Cannon as an independent Class II director, effective July 13, 2026, and assigned him to the audit, compensation, and nominating committees. Mr. Cannon has extensive SPAC experience, including prior roles at Archimedes I and II. A corresponding Form 3 was filed showing no initial beneficial ownership. This is a routine governance addition with no immediate financial or strategic implications.

Key Facts

  • Stephen N. Cannon appointed as Class II independent director effective July 13, 2026.
  • Mr. Cannon will serve on the audit, compensation, and nominating and corporate governance committees.
  • He has prior SPAC experience including CEO of Archimedes I (combined with SoundHound AI) and director of Archimedes II (announced merger with Forge Nano).
  • Form 3 filed July 17, 2026, reports zero beneficial ownership in the company.

Financial Impact

No financial impact from this board appointment.

Risk Factors

  • No material risks identified from this filing.

Market Snapshot

Exchange
Nasdaq
Sector
Blank Checks

Investment Themes

Traditional Finance

Documents Analyzed

This report is based on 11 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (ARCI) — Batch item 10001213900-26-079130
Document: 0001213900-26-079130-index-headers.html0001213900-26-079130
Document: 0001213900-26-079130-index.html0001213900-26-079131
Document: 0001213900-26-079130.txt0001213900-26-079130
8-K Filing (ARCI) — Batch item 50001213900-26-079130
Document: 0001213900-26-079130-index-headers.html0001213900-26-079130
Document: 0001213900-26-079130-index.html0001213900-26-079130
Document: 0001213900-26-079130.txt0001213900-26-079130
3 Filing (ARCI) — Batch item 90001213900-26-079131
Document: 0001213900-26-079131-index.html0001213900-26-079130
Document: 0001213900-26-079131.txt0001213900-26-079130

US Market Status

Market Closed — Opens Thu (12h 53m)

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Report published Jul 17, 2026