X0306
4
2017-03-03
0
0001045309
W R GRACE & CO
GRA
0001667751
Blaser Thomas E
C/O W. R. GRACE & CO.
7500 GRACE DRIVE
COLUMBIA
MD
21044
0
1
0
0
Senior VP and CFO
Common Stock, par value $0.01 per share
2017-03-03
4
P
0
1250
70.73
A
2162
D
Common Stock, par value $0.01 per share
2017-03-06
4
P
0
2500
70.16
A
4662
D
Each share of Common Stock also represents one Preferred Stock Purchase Right. Each such Right entitles the holder to purchase Preferred Stock or other securities or property upon the occurrence of certain events and subject to certain conditions.
The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $70.06 to $70.26, inclusive. The reporting person undertakes to provide W. R. Grace & Co, any security holder of W. R. Grace & Co., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
/s/ Sean E. Dempsey, Attorney-in-Fact
2017-03-07