CoStar Group Names Robin Rossmann as CFO to Lead Global Finance Strategy

Key Facts

1CoStar Group has appointed Robin Rossmann, currently managing director of its European operations, as its new CFO effective July 31.

2Rossmann succeeds Christian Lown, who is departing to become the CFO of Allstate.

In a move reflecting a strategy of leveraging internal talent to ensure operational continuity, CoStar Group has appointed Robin Rossmann as its new Chief Financial Officer, effective July 31. Rossmann, who currently serves as the managing director of the company's European operations, will succeed the departing CFO Christian Lown. This leadership transition occurs as the company seeks to further integrate its global financial operations under a leader with deep international market expertise.

The departure of Christian Lown to join Allstate as CFO follows a period of financial stability at CoStar, with Allstate representing a major player in the U.S. insurance sector. Per market data, CoStar (0HCZ.L) operates within a real estate tech sector facing headwinds from the interest rate environment; meanwhile, recent data from the RICS House Price Balance in the UK showed continued sector pressure with a reading of -33 in July 2026.

The share price of 0HCZ.L stood at 251.6 at the close of July 14, 2026, having traded between a day low of 250 and a high of 257. Investors will be watching how this executive shift impacts the group's strategic direction, particularly ahead of the U.S. Existing Home Sales data due on July 9, which will provide critical context for the broader real estate market health.