| Date Filed | Type | Description |
| 02/09/2018 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/02/2018 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 01/16/2018 |
GN
| Assure Holdings Appoints Peter Csapo as Chief Financial Officer |
| 05/26/2017 |
GN
| Air Methods Corporation First Quarter 2017 Results of Operations Release Date |
| 05/10/2017 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 05/01/2017 |
15-12G
| Form 15-12G - Securities registration termination [Section 12(g)] |
| 04/27/2017 |
GN
| Air Methods Announces New Safety, Compliance Leadership |
| 04/25/2017 |
8-K
| Quarterly results |
| 04/25/2017 |
8-K
| Form 8-K - Current report |
| 04/21/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 04/21/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 04/21/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 04/21/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 04/21/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 04/21/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 04/21/2017 |
RW
| Form RW - Registration Withdrawal Request |
| 04/21/2017 |
RW
| Form RW - Registration Withdrawal Request |
| 04/21/2017 |
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 |
| 04/21/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party [Amend] |
| 04/21/2017 |
10-K/A
| Annual Report for the period ended December 31, 2016 [amend] |
| 04/14/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party [Amend] |
| 04/07/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party [Amend] |
| 03/31/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party [Amend] |
| 03/28/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party [Amend] |
| 03/23/2017 |
SC 14D9
| Form SC 14D9 - Solicitation, recommendation statements |
| 03/23/2017 |
SC TO-T
| Form SC TO-T - Tender offer statement by Third Party |
| 03/15/2017 |
GN
| Air Methods, FlightSafety Announce New Training Facility in Colorado, Installation of Level-D Qualified Full Motion Simulator |
| 03/14/2017 |
SC14D9C
| Form SC14D9C - Written communication relating to third party tender offer |
| 03/14/2017 |
8-K
| Form 8-K - Current report |
| 03/14/2017 |
8-K
| Form 8-K - Current report |
| 03/10/2017 |
8-K
| Form 8-K - Current report |
| 03/10/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 03/10/2017 |
GN
| Air Methods Provides Update on Preliminary February Volumes |
| 03/08/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
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