40 North, an asset management firm, offered to acquire W.R. Grace & Co, an American chemical firm, for $4.6bn. “We believe this proposal to take the company private represents the most credible path to unlock value for the company and its shareholders with a high level of certainty,” David Millstone and David Winter, 40 North Principals. On January 12, 2021: 40 North increases W.R. Grace bid to $4.3bn. 40 North, shareholder-turned-suitor increased its bid to $65 a share in cash from $60. W.R. Grace & Co board will review the offer. On Aptil 1, 2021: 40 North increased its takeover offer for W.R. Grace to $4.6bn in a final push to win over the US chemical producer.