Atrium Therapeutics to distribute common stock to Avidity Biosciences shareholders.

Atrium Therapeutics, Inc. is distributing all its outstanding common stock to existing stockholders of Avidity Biosciences, Inc. The distribution is being made in connection with a pre-closing reorganization, known as the Separation, which will result in Atrium owning, assuming, or retaining Avidity's assets and liabilities. The distribution is expected to be made on a pro rata basis to Avidity stockholders as of the record date.