| Date Filed | Type | Description |
| 05/15/2017 |
SC 13D
| Form SC 13D - General statement of acquisition of beneficial ownership: |
| 05/11/2017 |
D
| Form D - Notice of Exempt Offering of Securities |
| 03/14/2017 |
15-15D
| Form 15-15D - Suspension of duty to report [Section 13 and 15(d)] |
| 03/14/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/01/2017 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals |
| 01/05/2017 |
15-12G
| Form 15-12G - Securities registration termination [Section 12(g)] |
| 12/27/2016 |
8-K
| Quarterly results |
| 12/01/2016 |
EFFECT
| Form EFFECT - Notice of Effectiveness |
| 11/30/2016 |
25
| Form 25 - Notification of the removal from listing and registration of matured, redeemed or retired securities |
| 11/29/2016 |
POS AM
| Form POS AM - Post-Effective amendments for registration statement |
| 11/29/2016 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 11/28/2016 |
8-K
| Resignation/termination of a director |
| 11/23/2016 |
AW
| Form AW - Amendment Withdrawal Request |
| 11/23/2016 |
8-K
| Form 8-K - Current report |
| 11/21/2016 |
8-K
| Form 8-K - Current report |
| 11/18/2016 |
S-3/A
| Form S-3/A - Registration statement under Securities Act of 1933 [Amend] |
| 11/16/2016 |
8-K
| Form 8-K - Current report |
| 11/03/2016 |
10-Q
| Quarterly Report for the period ended September 30, 2016 |
| 11/02/2016 |
8-K
| Form 8-K - Current report |
| 10/17/2016 |
DEFM14A
| Form DEFM14A - Definitive proxy statement relating to merger or acquisition: |
| 10/04/2016 |
PREM14A
| Form PREM14A - Preliminary proxy statements relating to merger or acquisition |
| 10/03/2016 |
PRE 14A
| Form PRE 14A - Other preliminary proxy statements |
| 10/03/2016 |
SC 13G/A
| PVAM Perlus Microcap Fund, L.P. reports a 4.1% stake in ACTIVE POWER, INC. |
| 09/30/2016 |
8-K
| Entry into a Material Definitive Agreement |
| 07/26/2016 |
10-Q
| Quarterly Report for the period ended June 30, 2016 |
| 07/26/2016 |
8-K
| Regulation FD Disclosure, Financial Statements and Exhibits |
| 06/14/2016 |
8-K
| Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing |
| 05/13/2016 |
EFFECT
| Form EFFECT - Notice of Effectiveness |
| 04/28/2016 |
SC 13G/A
| PVAM Perlus Microcap Fund, L.P. reports a 11% stake in ACTIVE POWER, INC. |
| 04/26/2016 |
10-Q
| Quarterly Report for the period ended March 31, 2016 |
| 03/16/2016 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 02/23/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/16/2016 |
8-K/A
| Appointed a new director |
| 02/16/2016 |
8-K
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements... |
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