SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
Yanai Shlomo

(Last) (First) (Middle)
C/O W. R. GRACE & CO.
7500 GRACE DRIVE

(Street)
COLUMBIA MD 21044

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
05/09/2018
3. Issuer Name and Ticker or Trading Symbol
W R GRACE & CO [ GRA ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
5. 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 Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
Remarks:
No securities are beneficially owned.
/s/ Sean E. Dempsey, Attorney-in-Fact 05/11/2018
** 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 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.




POWER OF ATTORNEY

    The undersigned hereby appoints Michael W. Conron,
Sean E. Dempsey, Mark A. Shelnitz and Thomas E. Blaser as 
his true and lawful attorneys-in-fact for the purpose of 
signing Statements on Forms 3, 4 and 5, and all amendments 
thereto, to be filed with the Securities and Exchange 
Commission with respect to the holdings, and future 
changes in such holdings, for the undersigned in securities 
of W. R. Grace & Co., for the term of his employment with 
W. R. Grace & Co.  Each of such attorneys-in-fact is 
appointed with full power to act without the other.


                /s/ Shlomo Yanai                 
                (signature)



                Shlomo Yanai                
                (printed name)





Dated:     May 9, 2018