A
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B
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C
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D
·
E
·
F
·
G
·
H
·
I
·
J
·
K
·
L
·
M
·
N
·
O
·
P
·
Q
·
R
·
S
·
T
·
U
·
V
·
W
·
X
·
Y
·
Z
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·

Directory Results for Includes 1,182 shares acquired under the IRTC employee stock purchase plan on December 1, 2017 to Includes 1,190 shares purchased on 11/14/14 pursuant to the issuer's employee stock purchase plan