Pyrophyte Acquisition is a SPAC — a shell company with no operations whose sole purpose is to identify and merge with a private company, taking it public. Pyrophyte raised ~$201M in its October 2021 IPO, with proceeds held in a Trust Account while management searches for a target. Pyrophyte focuses on the energy transition sector, targeting companies that provide products, services, or technologies supporting energy transition solutions. Pyrophyte has one pending deal: a business combination with Sio Silica, a Canadian silica mining company based in Alberta, valued at $675M. The SPAC model works by having the sponsor acquire "founder shares" for a nominal amount, representing ~20% of post-IPO equity; if a deal closes, those shares become valuable. If no deal closes by the deadline, the Trust is liquidated and returned to public shareholders. Pyrophyte's Trust Account has eroded sharply through repeated shareholder redemptions — from ~$206M at IPO to ~$18M as of April 2025. The Sio Silica deal has been extended three times since it was originally signed in November 2023, with the current outside date of April 29, 2026. Pyrophyte was delisted from the NYSE in October 2024 after exceeding the three-year SPAC listing limit, and its shares now trade on the OTC Pink market. The sponsor has been loaning the company money via extension and working capital notes to keep the SPAC alive. The planned deal includes a ~$20M PIPE to supplement the remaining Trust proceeds.