GROEN BROTHERS AVIATION INC /UT/

Q: Sep 30 2012

FY: Oct 8 2012

FY: Jun 30 2012

Q: Mar 31 2012

Q: Mar 31 2012

Q: Dec 31 2011

Q: Dec 31 2011

Q: Sep 30 2011

Q: Sep 30 2011

FY: Jun 30 2011

FY: Jun 30 2011

Q: Mar 31 2011

Q: Dec 31 2010

Q: Sep 30 2010

FY: Jun 30 2010

FY: Jun 30 2010

Q: Mar 31 2010

Q: Dec 31 2009

Q: Sep 30 2009

FY: Jun 30 2009

1.01,3.03,9.01

Entry into a Material Definitive Agreement

1.01,3.03,9.01

Entry into a Material Definitive Agreement

3.03,5.03

Entry into a Material Definitive Agreement

Material Modifications to Rights of Security Holders

3.03,5.03,9.01

1.01,3.03,5.03,9.01

1.01,3.03,5.03,9.01

1.01,9.01

1.01,3.03,5.03,9.01

Other Events

5.02

Entry into a Material Definitive Agreement

1.01,9.01

Entry into a Material Definitive Agreement

Other Events

Other Events

Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers

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

No description available

No description available

Definitive Proxy Statement

Preliminary Proxy Statement

CAMPBELL LYLE P

GROEN DAVID L

WILSON ROBERT H H

GROEN DAVID L

CAMPBELL LYLE P

GAUGER DENNIS P

GROEN DAVID L

WILSON ROBERT H H

GROEN DAVID L

GROEN DAVID L

CAMPBELL LYLE P

GAUGER DENNIS P

GROEN DAVID L

WILSON ROBERT H H

WILSON ROBERT H H

GROEN DAVID L

GAUGER DENNIS P

GROEN H JAY

WILSON ROBERT H H

GROEN DAVID L

No description available

Definitive information statement

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Definitive information statement

No description available