Seaspan (SESCF) 6-K Seaspan Announces Public Offering of Series IFixed-to-Floating Rate Cumulative

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE13a-16 OR15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2018

Commission File Number:1-32591

SEASPAN CORPORATION

(Exact name of Registrant as specified in its charter)

Unit 2, 2nd Floor, Bupa Centre,

141 Connaught Road West,

Hong Kong

China

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form20-F or Form40-F.

Form20-F   ☒                 Form40- F     ☐

Indicate by check mark if the registrant is submitting the Form6-K in paper as permitted by RegulationS-T Rule 101(b)(1). ☐

Indicate by check mark if the registrant is submitting the Form6-K in paper as permitted by RegulationS-T Rule 101(b)(7). ☐

Information Contained in thisForm 6-K Report

Attached as Exhibit 99.1 is a copy of an announcement of Seaspan Corporation dated September 12, 2018.

Exhibit Index

Exhibit No.	Description
99.1	Press Release dated September 12, 2018 and titled “Seaspan Announces Public Offering of Series IFixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Shares.”

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	SEASPAN CORPORATION
Date: September 12, 2018	By:	/s/ Ryan Courson
		Name: Ryan Courson
		Title:   Chief Financial Officer