KEY TECHNOLOGY INC

Q: Dec 31 2017

FY: Sep 30 2017

Q: Jun 30 2017

Q: Mar 31 2017

Q: Dec 31 2016

FY: Sep 30 2016

Q: Jun 30 2016

Q: Mar 31 2016

Q: Dec 31 2015

FY: Sep 30 2015

Q: Jun 30 2015

Q: Mar 31 2015

Q: Dec 31 2014

FY: Sep 30 2014

Q: Jun 30 2014

Q: Mar 31 2014

Q: Dec 31 2013

FY: Sep 30 2013

Q: Jun 30 2013

Q: Mar 31 2013

1.02,2.01,3.01,3.02,3.03,5.01,5.02,5.03,9.01

1.02,5.03,5.07

1.01,3.02,8.01,9.01

3.03

2.02,9.01

Results of Operations and Financial Condition

5.07

2.02,8.01,9.01

5.07

2.02,9.01

2.02,9.01

2.02,9.01

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

5.02,9.01

5.07

2.02,9.01

2.05,8.01

Results of Operations and Financial Condition

8.01,9.01

Certification of termination of registration of a class of securities (Section 12(g))

Notification of removal from listing and/or registration on a national securities exchange

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

No description available

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

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

Registration of Securities on Exchange

Post Effective Amendment to S-8

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

Post-effective amendment to a registration statement

Registration statement under Securities Act of 1933 (amendment)

Prospectus Supplement for Delayed or Continuous Offering

Registration statement under Securities Act of 1933

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

GAMCO INVESTORS, INC. ET AL

none

M3C Holdings LLC

PITON CAPITAL PARTNERS LLC

Averick Robert M

Schreyer Leslie J

WASHBURN DONALD A

Johnson Steven R

EHREN JOHN J

PELO JOHN E

Prendiville Shawn P.

Ruff James D

Wolf Paul J.

Vintro Louis C

LAWRENCE RICHARD

STONECIPHER CHARLES H

Pellegrino Stephen M

SIEGAL JEFFREY T

SHANNON MICHAEL L

none

No description available

No description available

No description available

No description available

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC