| Date Filed | Type | Description |
| 04/02/2018 |
15-12G
| Form 15-12G - Securities registration termination [Section 12(g)]: |
| 03/22/2018 |
SC 13D/A
| Schreyer Leslie J reports a 0% stake in KEY TECHNOLOGY, INC. |
| 03/22/2018 |
SC 13D/A
| GAMCO INVESTORS, INC. ET AL reports a 0% stake in Key Technology, Inc. |
| 03/20/2018 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 03/20/2018 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 03/20/2018 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 03/20/2018 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 03/20/2018 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 03/20/2018 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 03/20/2018 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 03/20/2018 |
8-K
| Termination of a Material Definitive Agreement, Completion of Acquisition or Disposition of Assets, Notice of Delisting or Fa... |
| 03/20/2018 |
SC 14D9/A
| Form SC 14D9/A - Solicitation, recommendation statements: [Amend] |
| 03/20/2018 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party: [Amend] |
| 03/20/2018 |
25-NSE
| Form 25-NSE - Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities: |
| 03/12/2018 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party: [Amend] |
| 03/12/2018 |
SC 14D9/A
| Form SC 14D9/A - Solicitation, recommendation statements: [Amend] |
| 03/09/2018 |
SC 14D9/A
| Form SC 14D9/A - Solicitation, recommendation statements: [Amend] |
| 03/09/2018 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party: [Amend] |
| 03/06/2018 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party: [Amend] |
| 03/06/2018 |
SC 14D9/A
| Form SC 14D9/A - Solicitation, recommendation statements: [Amend] |
| 03/05/2018 |
SC 13D/A
| GAMCO INVESTORS, INC. ET AL reports a 2.3% stake in Key Technology, Inc. |
| 02/23/2018 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party: [Amend] |
| 02/23/2018 |
SC 14D9/A
| Form SC 14D9/A - Solicitation, recommendation statements: [Amend] |
| 02/18/2018 |
GN
| SHAREHOLDER ALERT: Rigrodsky & Long, P.A. Files Class Action Suit Against Key Technology, Inc. |
| 02/13/2018 |
SC 13G/A
| PVAM Perlus Microcap Fund, L.P. reports a 0% stake in Key Technology, Inc. |
| 02/13/2018 |
SC 13G/A
| PVAM Perlus Microcap Fund, L.P. reports a 9.4% stake in Key Technology, Inc. |
| 02/13/2018 |
10-Q
| Quarterly Report for the period ended December 31, 2017 |
| 02/12/2018 |
8-K
| Termination of a Material Definitive Agreement, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Sub... |
| 02/08/2018 |
SC 14D9
| Form SC 14D9 - Solicitation, recommendation statements: |
| 02/08/2018 |
SC TO-T
| Form SC TO-T - Tender offer statement by Third Party: |
| 02/08/2018 |
SC 13G/A
| Wellington Trust Company, National Association Multiple Common Trust Funds Trust, Micro Cap Equity Portfolio reports a 6.1% stake in KEY TECHNOLOGY INC |
| 02/08/2018 |
SC 13G
| WELLINGTON TRUST Co N A reports a 6.9% stake in KEY TECHNOLOGY INC |
| 02/08/2018 |
SC 13G
| WELLINGTON MANAGEMENT GROUP LLP reports a 6.9% stake in KEY TECHNOLOGY INC |
| 02/06/2018 |
SC 13G
| Chicago Capital Management, LLC reports a 8.1% stake in KEY TECHNOLOGY, INC. |
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