CUSIP No. 006228209
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13D
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1.
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name of reporting persons
Nantahala Capital Management, LLC
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2.
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check the appropriate box if a member of a group* (a) o (b) x
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3.
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sec use only
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4.
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source of funds*
AF
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5.
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check box if disclosure of legal proceeding is required pursuant to items 2(d) or 2(e) □
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6.
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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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7.
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sole voting power
579,155
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8.
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shared voting power
0
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9.
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sole dispositive power
579,155
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10.
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shared dispositive power
0
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11.
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aggregate amount beneficially owned by each reporting person
579,155
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12.
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check box if the aggregate amount in row (11) excludes certain shares* o
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13.
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percent of class represented by amount in row (11)
7.421%
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14.
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type of reporting person*
IA
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(a)
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The name of the Reporting Person is Nantahala Capital Management, LLC (“NCM” or the “Reporting Person”).
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(b)
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The principal business address of the Reporting Person is:
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(c)
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The principal business of the Reporting Person is the performance of investment management and advisory services. The principal business of the Investment Vehicles is investment in securities.
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(d)
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The Reporting Person, nor to the best of its knowledge, none of the Covered Persons, has, in the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).
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(e)
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The Reporting Person, nor to the best of its knowledge, any persons listed in the Annex hereto, has, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violations with respect to such laws.
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(f)
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The place of organization of the Reporting Person is as follows:
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(a)
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The aggregate number and percentage of the class of securities beneficially owned by each Reporting Person is as follows:
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(b)
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The number of shares as to which each Reporting Person has:
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(c)
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During the past sixty days, the Reporting Person effected the transactions in the Issuer’s securities (all of which transactions were purchases effected in the open market):
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Date
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Transaction
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Quantity
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Cost Per Share
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11/17/2011
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Buy
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100
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5.16500
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11/18/2011
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Buy
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11300
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5.12870
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11/29/2011
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Buy
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300
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5.55500
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12/5/2011
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Buy
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1569
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5.55140
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12/6/2011
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Buy
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386
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5.53329
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12/7/2011
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Buy
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427
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5.54911
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12/9/2011
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Buy
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5058
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5.51640
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12/12/2011
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Buy
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574
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5.54019
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12/15/2011
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Buy
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7959
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5.90310
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12/16/2011
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Buy
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5461
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6.11890
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12/19/2011
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Buy
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9008
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6.15380
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12/20/2011
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Buy
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3498
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6.18370
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12/21/2011
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Buy
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2200
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6.21360
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12/22/2011
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Buy
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1400
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6.21211
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12/23/2011
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Buy
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632
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6.18859
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12/27/2011
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Buy
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2600
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6.21460
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12/30/2011
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Buy
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4410
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6.17170
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1/3/2012
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Buy
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2530
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6.52240
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1/5/2012
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Buy
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34121
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7.12170
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1/6/2012
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Buy
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17072
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7.29250
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1/9/2012
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Buy
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3335
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7.36430
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(d)
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Except as set forth in this Schedule 13D, no person other than (i) the Reporting Person and (ii) limited partners and other beneficial owners of interests in the reporting persons (none of whose interests relate to more than 5% of the Issuer’s Common Stock) is known to have the right to receive, or the power to direct the receipt of, dividends from, or proceeds from the sale of, the securities to which this statement relates.
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(e)
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Not applicable
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Dated: January 10, 2012
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Nantahala Capital Management, LLC
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By:
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/s/ Wilmot B. Harkey
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Wilmot B. Harkey
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Managing Member
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Annex A
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Name
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Title or Relationship with Reporting Person
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Principal Occupation or Employment
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Citizenship or Jurisdiction of Organization
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Principal Place of Business
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Wilmot B. Harkey
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Managing Member
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Investment Management
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United States
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(1)
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Daniel J. Mack
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Managing Member
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Investment Management
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United States
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(1)
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Name
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Title or Relationship with Investment Vehicle
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Principal Occupation or Employment
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Citizenship or Jurisdiction of Organization
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Principal Place of Business
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Nantahala Capital Management, LLC
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General Partner
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Investment Management
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Massachusetts
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(1)
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Name
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Title or Relationship with Investment Vehicle
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Principal Occupation or Employment
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Citizenship or Jurisdiction of Organization
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Principal Place of Business
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Nantahala Capital Management, LLC
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General Partner
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Investment Management
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Delaware
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(1)
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Name
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Title or Relationship with Investment Vehicle
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Principal Occupation or Employment
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Citizenship or Jurisdiction of Organization
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Principal Place of Business
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Nantahala Capital Management, LLC
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General Partner
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Investment Management
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Delaware
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(1)
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Name
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Title or Relationship with Investment Vehicle
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Principal Occupation or Employment
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Citizenship or Jurisdiction of Organization
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Principal Place of Business
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Wilmot B. Harkey
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Investment Manager
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Investment Management
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United States
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(1)
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Daniel J. Mack
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Investment Manager
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Investment Management
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United States
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(1)
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Name
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Title or Relationship with Investment Vehicle
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Principal Occupation or Employment
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Citizenship or Jurisdiction of Organization
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Principal Place of Business
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Wilmot B. Harkey
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Investment Manager
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Investment Management
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United States
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(1)
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Daniel J. Mack
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Investment Manager
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Investment Management
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United States
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(1)
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