 ST. LOUIS, Feb. 09, 2021 GLOBE NEWSWIRE -- Post Holdings, Inc. NYSE:POST Post, a consumer packaged goods holding company, today announced that one of its subsidiaries, Post Holdings Partnering Corporation PHPC, a newly formed special purpose acquisition company, filed a registration statement on Form S-1 with the Securities and Exchange Commission SEC in connection with a proposed initial public offering. The proposed offering is subject to, among other things, completion of the SEC review and comment process. 