FORM 4 [X] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                       
1. Name and Address of Reporting Person * Yanai Shlomo 2. Issuer Name and Ticker or Trading Symbol W R GRACE & CO [ GRA ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    _____ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)         (First)         (Middle)
C/O W. R. GRACE & CO., 7500 GRACE DRIVE		 3. Date of Earliest Transaction (MM/DD/YYYY)
9/22/2021
(Street)
COLUMBIA, MD 21044
(City)       (State)       (Zip)
 4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
 6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, par value $0.01 per share  9/22/2021    D    6973  D  (1) 0  D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Explanation of Responses:
(1)  This Form 4 reports securities disposed of pursuant to the Agreement & Plan of Merger (the "Merger Agreement"), dated April 26, 2021, among W. R. Grace & Co. ("Company"), W. R. Grace Holdings LLC (fka Gibraltar Acquisition Holdings LLC), a Delaware limited liability company ("Parent"), and Gibraltar Merger Sub Inc., a Delaware corporation and wholly owned subsidiary of Parent ("Merger Sub"), filed as Exhibit 2.1 to the Company's Form 8-K filed with the SEC on April 26, 2021, pursuant to which on Sept. 22, 2021, Merger Sub merged with and into the Company (the "Merger") and pursuant to which the Company survived the Merger as a wholly owned subsidiary of Parent. At the effective time of the Merger (the "Effective Time"), each issued & outstanding share of Company common stock was cancelled and converted into the right to receive $70.00 in cash (the "Merger Consideration") without interest, subject to withholding taxes.

Remarks:
This Form 4 reports securities disposed of pursuant to the Agreement & Plan of Merger (the "Merger Agreement"), dated April 26, 2021, among W. R. Grace & Co. ("Company"), W. R. Grace Holdings LLC (fka Gibraltar Acquisition Holdings LLC), a Delaware limited liability company ("Parent"), and Gibraltar Merger Sub Inc., a Delaware corporation and wholly owned subsidiary of Parent ("Merger Sub"), filed as Exhibit 2.1 to the Company's Form 8-K filed with the SEC on April 26, 2021, pursuant to which on Sept. 22, 2021, Merger Sub merged with and into the Company (the "Merger") and pursuant to which the Company survived the Merger as a wholly owned subsidiary of Parent.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Yanai Shlomo
C/O W. R. GRACE & CO.
7500 GRACE DRIVE
COLUMBIA, MD 21044		 X



Signatures
/s/ Sean E. Dempsey, Attorney-in-Fact 9/22/2021
**Signature of Reporting Person Date
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