Cambridge, MA-based Aprinoia Therapeutics and a blank check company helmed by former US Commerce Secretary Wilbur Ross have called off their proposed merger.
Under the original deal, Ross Acquisition Corp II was slated to issue $280 million of stock to Aprinoia, and Ross — the CEO — said he had personally invested $7.5 million and planned to commit another $12.5 million to fund the development of Aprinoia’s lead product, a tau PET tracer designed to help diagnose Alzheimer’s disease, through to commercialization in China.
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