secwatch / observer
ARCI Archimedes Tech SPAC Partners III Co.
CIK 0002083910 5 ready 8-Ks latest January 30, 2026, 6:59 PM ET RSS · JSON
Activity: NORMAL 0 filings / 30d vs 0 baseline Risk accumulating: repeated leadership change (3)
Ready 8-Ks 5
Latest filing July 17, 2026, 3:32 PM ET
Top materiality 0.75
Event mix other_material ×3 · leadership ×2
Sentiment 0 pos · 0 neg · 5 neu
Executive change recent →

Recent 8-K filings for ARCI

Highest-materiality recent filing

Archimedes Tech SPAC III closes $276M IPO, deposits $276M in trust account

January 30, 2026, 6:59 PM ET other material materiality 0.75 neutral item 8.01item 9.01

Read filing →

Executive changes

Appointed

Stephen N. Cannon

Class II director
ARCI · Archimedes Tech SPAC Partners III Co.
Effective
2026-07-13
Filed
July 17, 2026, 3:32 PM ET
On July 13, 2026, the board of directors (the “Board”) of Archimedes Tech SPAC Partners III Co. (the “Company”) appointed Stephen N. Cannon as a Class II director of the Board, effective immediately.
Appointed

Ben Landen

Chief Executive Officer
ARCI · Archimedes Tech SPAC Partners III Co.
Effective
2026-04-28
Filed
May 1, 2026, 7:59 PM ET
On the same date, Ben Landen was appointed as the Chief Executive Officer by the Company’s board of directors, effective immediately.
Role change

Long Long

Chief Executive Officer
ARCI · Archimedes Tech SPAC Partners III Co.
Effective
2026-04-28
Successor
Ben Landen
Filed
May 1, 2026, 7:59 PM ET
On April 28, 2026, Long Long notified the board of directors of Archimedes Tech SPAC Partners III Co. (the “Company”) of his resignation as Chief Executive Officer of the Company, effective immediately.

Materiality & sentiment trend

Max materiality 0.75 · Median 0.50 · Most common event other_material

0 positive 0 negative 5 neutral

source · ARCI on sec.gov