Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL Feb 8, 2023 04:59PM
Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL Jan 10, 2023 04:07PM
Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL Dec 21, 2022 04:04PM
Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL Nov 15, 2022 04:03PM
Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL Aug 26, 2022 04:09PM


May 27, 2022 04:04PM Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL
May 3, 2021 04:01PM Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL
Aug 25, 2020 04:15PM Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL
Jun 2, 2020 04:07PM Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL
Nov 15, 2019 04:03PM Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL
Jul 26, 2019 05:15PM Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL
Jun 18, 2018 04:18PM Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL
Jan 19, 2017 04:40PM Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL
Jan 10, 2017 04:22PM Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL
May 12, 2016 03:25PM Form 3 GRIFFON CORP For: May 04 Filed by: GAMCO INVESTORS, INC. ET AL
Nov 18, 2014 11:30AM Form SC 13D/A GRIFFON CORP Filed by: GAMCO INVESTORS, INC. ET AL