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Each Share Unit is the economic equivalent of one share of Common Stock. Share Units are payable only in Common Stock."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Share Units granted March 18, 2021 to the Reporting Person under the 2009 Plan for which the performance conditions to vesting were satisfied as of March 11, 2022. 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Each Share Unit is the economic equivalent of one share of Common Stock. Share Units are payable only in Common Stock."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Share Units granted January 27, 2021 to the Reporting Person under the 2009 Plan for which the performance conditions to vesting were satisfied as of March 11, 2021. The Share Units are subject to time-based vesting conditions that vest 1/3 on the first anniversary of the date of grant, 1/3 on the second anniversary of the date of grant, and 1/3 on the third anniversary of the date of grant."}],"balance_after":4272,"source":{"system":"sec-edgar","filing":"0001210708-21-000044","document":"wf-form4_161584215427853.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1210708/000121070821000044/wf-form4_161584215427853.xml","form_type":"4"}}]}