CUSIP No. 98420N105
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(1) Names of reporting persons Point72 Asset Management, L.P.
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(2) Check the appropriate box if a member of a group
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(a)
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(see instructions)
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(b)X
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(3) SEC use only
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(4) Citizenship or place of organization Delaware
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Number of shares beneficially owned by each reporting person with:
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(5) Sole voting power 0
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(6) Shared voting power 2,624,160 (see Item 4)
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(7) Sole dispositive power 0
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(8) Shared dispositive power 2,624,160 (see Item 4)
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(9) Aggregate amount beneficially owned by each reporting person
2,624,160 (see Item 4)
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(10) Check if the aggregate amount in Row (9) excludes certain shares
(see instructions)
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(11) Percent of class represented by amount in Row (9) 5.0% (see Item 4)
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(12) Type of reporting person (see instructions) PN
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CUSIP No. 98420N105
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(1) Names of reporting persons Point72 Capital Advisors, Inc.
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(2) Check the appropriate box if a member of a group
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(a)
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(see instructions)
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(b)X
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(3) SEC use only
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(4) Citizenship or place of organization Delaware
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Number of shares beneficially owned by each reporting person with:
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(5) Sole voting power 0
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(6) Shared voting power 2,624,160 (see Item 4)
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(7) Sole dispositive power 0
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(8) Shared dispositive power 2,624,160 (see Item 4)
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(9) Aggregate amount beneficially owned by each reporting person
2,624,160 (see Item 4)
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(10) Check if the aggregate amount in Row (9) excludes certain shares
(see instructions)
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(11) Percent of class represented by amount in Row (9) 5.0% (see Item 4)
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(12) Type of reporting person (see instructions) CO
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CUSIP No. 98420N105
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(1) Names of reporting persons Cubist Systematic Strategies, LLC
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(2) Check the appropriate box if a member of a group
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(a)
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(see instructions)
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(b)X
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(3) SEC use only
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(4) Citizenship or place of organization Delaware
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Number of shares beneficially owned by each reporting person with:
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(5) Sole voting power 0
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(6) Shared voting power 17,093 (see Item 4)
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(7) Sole dispositive power 0
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(8) Shared dispositive power 17,093 (see Item 4)
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(9) Aggregate amount beneficially owned by each reporting person
17,093 (see Item 4)
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(10) Check if the aggregate amount in Row (9) excludes certain shares
(see instructions)
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(11) Percent of class represented by amount in Row (9) <0.1% (see Item 4)
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(12) Type of reporting person (see instructions) OO
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CUSIP No. 98420N105
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(1) Names of reporting persons Steven A. Cohen
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(2) Check the appropriate box if a member of a group
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(a)
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(see instructions)
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(b)X
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(3) SEC use only
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(4) Citizenship or place of organization United States
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Number of shares beneficially owned by each reporting person with:
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(5) Sole voting power 0
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(6) Shared voting power 2,641,253 (see Item 4)
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(7) Sole dispositive power 0
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(8) Shared dispositive power 2,641,253 (see Item 4)
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(9) Aggregate amount beneficially owned by each reporting person
2,641,253 (see Item 4)
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(10) Check if the aggregate amount in Row (9) excludes certain shares
(see instructions)
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(11) Percent of class represented by amount in Row (9) 5.1% (see Item 4)
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(12) Type of reporting person (see instructions) IN
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