Translational Development Acquisition Corp. (TDAC) is a blank check company incorporated in 2022 and headquartered in New York. It has no significant operations and was formed to effect a business combination with one or more operating businesses.
In May 2026, TDAC announced a definitive agreement for a business combination with ProLogium, a developer of fourth-generation solid-state lithium ceramic batteries. The transaction values ProLogium at approximately $3.8 billion pre-money and is expected to close in the second half of 2026, subject to shareholder and regulatory approvals. Upon completion, the combined company would list on Nasdaq under the ticker PRLG.
Also known as TDAC and Translational Development Acquisition Corp. (TDAC).
Priority access to a new Gen4 inorganic solid‑state cell; Mercedes will run electrical, thermal and safety trials to assess suitability for future EV platforms.
Existing partner shifts collaboration from industrial projects to capital participation, advancing plans for next‑generation battery module manufacturing in Japan for heavy‑duty electrification.
185.4 Ah cell posts 381 Wh/kg and 903 Wh/L in TÜV test; UL vacuum test classifies it as all‑solid‑state. Gen 3.5 now in mass production at Taiwan gigafactory.
SPAC deal values company at ~$3.8B; will scale Gen‑4 solid‑state battery production, backed by up to ~€1.4B French subsidy, and target data‑center, aerospace and robotics markets.
