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The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each price within the range set forth in this footnote."}],"balance_after":64741,"source":{"system":"sec-edgar","filing":"0000050725-18-000052","document":"wf-form4_153331810668162.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/50725/000005072518000052/wf-form4_153331810668162.xml","form_type":"4"}},{"id":4081196,"issuer":{"id":3998,"kind":"organization","name":"GRIFFON CORP"},"owners":[{"id":62183,"kind":"person","name":"ALPERT HENRY A","position":1,"cik":"0001208677","reported_name":"ALPERT HENRY A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-02-02T20:48:33.000Z","date":"2018-01-31","kind":"grant","acquired":true,"shares":4489,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted stock grant under Company's 2016 Equity Incentive Plan.  The stock will vest in three (3) equal annual installments beginning on January 31, 2019."}],"balance_after":59741,"source":{"system":"sec-edgar","filing":"0000050725-18-000022","document":"wf-form4_151760449862735.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/50725/000005072518000022/wf-form4_151760449862735.xml","form_type":"4"}},{"id":4474682,"issuer":{"id":3998,"kind":"organization","name":"GRIFFON CORP"},"owners":[{"id":62183,"kind":"person","name":"ALPERT HENRY A","position":1,"cik":"0001208677","reported_name":"ALPERT HENRY A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-02-01T21:10:05.000Z","date":"2017-01-31","kind":"grant","acquired":true,"shares":3700,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted stock grant under Company's 2016 Equity Incentive Plan.  The stock will vest in three (3) equal annual installments beginning on January 31, 2018."}],"balance_after":55252,"source":{"system":"sec-edgar","filing":"0000050725-17-000025","document":"wf-form4_148598336902148.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/50725/000005072517000025/wf-form4_148598336902148.xml","form_type":"4"}},{"id":4532521,"issuer":{"id":3998,"kind":"organization","name":"GRIFFON CORP"},"owners":[{"id":62183,"kind":"person","name":"ALPERT HENRY A","position":1,"cik":"0001208677","reported_name":"ALPERT HENRY A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-12-06T21:16:23.000Z","date":"2016-12-02","kind":"sale","acquired":false,"shares":14980,"price":23.55,"value":352779.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price.  These shares were disposed of in multiple transactions at prices ranging from $23.40 to $23.675, inclusive.  The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the range set forth in this footnote."}],"balance_after":51552,"source":{"system":"sec-edgar","filing":"0000050725-16-000174","document":"wf-form4_148105896867792.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/50725/000005072516000174/wf-form4_148105896867792.xml","form_type":"4"}}]}