SEC FORM 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person ^*

CUMMINGS ROBERT F JR

(Last)

(First)

(Middle)

C/O W. R. GRACE & CO.

7500 GRACE DRIVE

(Street)

COLUMBIA

21044

(City)

(State)

(Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
09/22/2021

4. If Amendment, Date of Original Filed (Month/Day/Year)

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. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, par value $0.01 per share	09/22/2021		D		18,823	D	⁽¹⁾	0	D
Common Stock, par value $0.01 per share	09/22/2021		D		2,000	D	⁽¹⁾	0	I	By Trust

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

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.

	/s/ Sean E. Dempsey, Attorney-in-Fact	09/22/2021
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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