| Date Filed | Type | Description |
| 02/23/2022 |
S-3ASR
| Form S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers: |
| 02/20/2020 |
S-3ASR
| Form S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers: |
| 02/18/2020 |
424B3
| Form 424B3 - Prospectus [Rule 424(b)(3)]: |
| 02/10/2020 |
424B5
| Form 424B5 - Prospectus [Rule 424(b)(5)]: |
| 02/10/2020 |
POSASR
| Form POSASR - Post-effective Amendment to an automatic shelf registration statement: |
| 02/22/2019 |
S-3ASR
| Form S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers: |
| 09/27/2016 |
15-12B
| Form 15-12B - Securities registration termination [Section 12(b)] |
| 09/14/2016 |
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 |
| 09/14/2016 |
8-K
| Quarterly results |
| 09/07/2016 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 08/30/2016 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 08/15/2016 |
10-Q
| Quarterly Report for the period ended June 30, 2016 |
| 08/10/2016 |
DEFM14A
| Form DEFM14A - Definitive proxy statement relating to merger or acquisition |
| 08/04/2016 |
8-K
| Acquisition/merger/asset purchase announced|
Docs:
|
"Amendment No. 2 to Agreement and Plan of Merger, between Mines Management, Inc., Hecla Mining Company, and HL Idaho Corp",
"Amendment No. 1 to the Term Loan and Security Agreement, between Mines Management, Inc., Montanore Minerals Corp., Montmin Resources Corp., Montanore Minerals Wisconsin Corp., Newhi, Inc., and Hecla Mining Company" |
|
| 08/04/2016 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 07/06/2016 |
8-K
| Acquisition/merger/asset purchase announced|
Docs:
|
"Amendment No. 1 to Agreement and Plan of Merger, between Mines Management, Inc., Hecla Mining Company, and HL Idaho Corp",
"Second Amendment to Amended and Restated Employment Agreement, between Mines Management, Inc. and Glenn Dobbs",
"Second Amendment to Amended and Restated Employment Agreement, between Mines Management, Inc. and Douglas Dobbs" |
|
| 07/06/2016 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 06/30/2016 |
SC 13D/A
| Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend] |
| 06/01/2016 |
SC 13D
| Form SC 13D - General statement of acquisition of beneficial ownership: |
| 05/27/2016 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 05/24/2016 |
8-K
| Other Events, Financial Statements and Exhibits |
| 05/24/2016 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 05/16/2016 |
10-Q
| Quarterly Report for the period ended March 31, 2016 |
| 04/28/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 03/30/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 11/16/2015 |
10-Q
| Quarterly Report for the period ended September 30, 2015 |
| 08/14/2015 |
10-Q
| Quarterly Report for the period ended June 30, 2015 |
| 05/15/2015 |
10-Q
| Quarterly Report for the period ended March 31, 2015 |
| 04/30/2015 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 03/31/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 11/14/2014 |
10-Q
| Quarterly Report for the period ended September 30, 2014 |
| 10/14/2014 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 10/10/2014 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 09/16/2014 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|