[PROSPECTUS SUPPLEMENT (To Prospectus dated May 23, 2016) 4,000,000 Shares Seaspan Corporation 8.20% Series G Cumulative Redeemable Perpetual Preferred Shares (Liquidation Preference $25 Per Share) We are offering 4,000,000 of our 8.20% Series G Cumulative Redeemable Perpetual Preferred Shares, par value $0.01 per share, liquidation preference $25.00 per share (the “Series G Preferred Shares”). Dividends on the Series G Preferred]

[This document is in two parts. The first part is the prospectus supplement, which describes the specific terms of this offering. The second part is the accompanying base prospectus, which gives more general information, some of which may not apply to this offering. Generally, when we refer to the “prospectus,” we are referring to both parts combined. If information in]

[PROSPECTUS SUPPLEMENT (To Prospectus dated August 19, 2013) 5,000,000 Shares Seaspan Corporation Class A Common Shares $14.70 per share We are offering up to 5,000,000 of our Class A common shares in this offering. We have granted the underwriters an option to purchase up to 750,000 additional Class A common shares. Our chief executive officer and affiliates of one of]