Brooks Automation has filed confidentially with regulators for an initial public offering, according to a report. The company, which provides automation solutions, is currently owned by private-equity firm THL.

Details regarding the IPO, such as the number of shares to be offered or the expected valuation, have not yet been disclosed.

The confidential filing process allows companies to submit their registration statements to the U.S. Securities and Exchange Commission without making them public. This is often used by companies seeking to gauge investor interest or prepare for a public listing without immediately revealing sensitive business information.