GRIFFON CORP

Q: Jun 30 2026

Q: Mar 31 2026

Q: Dec 31 2025

FY: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

Q: Dec 31 2024

FY: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

Q: Dec 31 2023

FY: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

Q: Dec 31 2022

FY: Sep 30 2022

Q: Jun 30 2022

Q: Mar 31 2022

Q: Dec 31 2021

FY: Sep 30 2021

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

Regulation FD Disclosure

Other Events

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Submission of Matters to a Vote of Security Holders

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

Results of Operations and Financial Condition

Results of Operations and Financial Condition

2.02,9.01

1.01,2.03,9.01

2.02,9.01

5.02,5.07,9.01

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Withdrawal of a registration statement

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Notice of Effectiveness

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

TURNBULL CHERYL L

Sullivan Kevin F

MEHMEL ROBERT F

Sullivan Kevin F

TURNBULL CHERYL L

Harris Brian G

MEHMEL ROBERT F

MEHMEL ROBERT F

Harris Brian G

KRAMER RONALD J

Harris Brian G

Harris Brian G

MEHMEL ROBERT F

KRAMER RONALD J

MEHMEL ROBERT F

Harris Brian G

Harris Brian G

MEHMEL ROBERT F

MEHMEL ROBERT F

MEHMEL ROBERT F

Specialized Disclosure Report

Annual Report Scanned (Paper)

Specialized Disclosure Report

Annual Report Scanned (Paper)

Specialized Disclosure Report

Annual Report Scanned (Paper)

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC