 NEW YORK, April 26, 2021 PRNewswire -- WeissLaw LLP is investigating possible breaches of fiduciary duty and other violations of law by the board of directors of W. R. Grace Co. GRA or the Company NYSE: GRA in connection with the proposed all-cash acquisition of the Company by Standard Industries Holdings Inc. Under the terms of the merger agreement, GRA shareholders will receive 70.00 in cash for each share of GRA common stock that they hold. 