Archimedes Tech SPAC Partners III Co. 8-K

What Happened
Archimedes Tech SPAC Partners III Co. announced on April 28, 2026 that Long Long resigned as Chief Executive Officer, effective immediately, and will remain on the company's board. On the same date the board appointed Ben Landen as Chief Executive Officer, effective immediately; Landen will continue to serve as Chief Technology Officer.

Key Details

• Date of change: April 28, 2026 (resignation and appointment effective immediately).
• Outgoing CEO: Long Long — resignation not due to any disagreement with the company’s operations, policies or practices; will remain a director.
• Incoming CEO: Ben Landen, age 38 — CTO since December 2025; previously served as the Company’s CEO and director from August–December 2025.
• Background on Landen: co‑founder and Managing Director of Superposition Venture Partners (since 2020); prior roles include VP of Business Development at Cyngn Inc. (to Oct 2025), Head of Product & Business Development at DeepScale (2017–2019, acquired by Tesla), and early automotive business manager at Maxim Integrated (managed a $100M product line).
• No family relationships or special arrangements tied to Landen’s selection; no reportable related‑party transactions beyond prior SEC disclosures.

Why It Matters
This Item 5.02 filing documents an executive leadership change that may influence company strategy and operations. The transition preserves continuity: the departing CEO remains on the board and the new CEO is an existing senior executive with recent prior service as CEO and CTO. The filing contains no financial disclosures or stated disagreements, and it does not report any immediate impact on the company’s financial results. Investors should note the personnel change and monitor future disclosures for any strategic or operational updates.