| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2016-01-26 | JPMORGAN CHASE & CO | ATLANTIC POWER CORP | - | - | EDGAR |
| SC 13G | 2015-08-03 | 12 West Capital Management LP | ATLANTIC POWER CORP | 6,200,708 | 5.1% | EDGAR |
| SC 13G | 2015-05-22 | MANGROVE PARTNERS | ATLANTIC POWER CORP | 6,527,211 | 5.4% | EDGAR |
| SC 13D/A | 2015-05-21 | MANGROVE PARTNERS | ATLANTIC POWER CORP | 6,527,211 | 5.4% | EDGAR |
| SC 13D | 2015-05-05 | MANGROVE PARTNERS | ATLANTIC POWER CORP | 6,527,211 | 5.4% | EDGAR |
| SC 13G/A | 2015-03-23 | VANGUARD GROUP INC | ATLANTIC POWER CORP | 7,160,155 | 5.9% | EDGAR |
| SC 13G | 2015-02-10 | VANGUARD GROUP INC | ATLANTIC POWER CORP | 6,155,351 | 5.1% | EDGAR |
| SC 13G | 2015-01-30 | Mangrove Partners Fund, L.P. | ATLANTIC POWER CORP | 6,197,417 | 5.1% | EDGAR |
| SC 13G/A | 2014-04-08 | BlackRock Inc. | ATLANTIC POWER CORP | 5,752,525 | 4.8% | EDGAR |
| SC 13G/A | 2014-02-11 | BlackRock Inc. | ATLANTIC POWER CORP | 8,764,115 | 7.3% | EDGAR |
| SC 13G/A | 2013-04-10 | BlackRock Inc. | ATLANTIC POWER CORP | 12,620,841 | 10.6% | EDGAR |
| SC 13G/A | 2013-04-05 | BMO FINANCIAL CORP | ATLANTIC POWER CORP | 3,588,693 | 3.0% | EDGAR |
| SC 13G | 2013-01-30 | BlackRock Inc. | ATLANTIC POWER CORP | 10,226,958 | 8.6% | EDGAR |
| SC 13G | 2013-01-10 | BMO FINANCIAL CORP | ATLANTIC POWER CORP | 6,015,139 | 5.0% | EDGAR |