Press release content from Business Wire. The AP news staff was not involved in its creation. Semrush Files Registration Statement for Proposed Initial Public Offering March 1, 2021 GMT BOSTON--(BUSINESS WIRE)--Mar 1, 2021-- Semrush Holdings, Inc. (“Semrush”), a leading online visibility management SaaS platform, today announced that it has publicly filed a registration statement on Form S-1 with the U.S. Securities and Exchange Commission (the “SEC”) relating to a proposed initial public offering of its Class A common stock. The number of shares to be offered and the price range for the proposed offering have not yet been determined. Semrush intends to list its Class A common stock on the New York Stock Exchange under the ticker symbol “SEMR”.