SHIP Seanergy Maritime Holdings Corporation

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

For the month of June 2019

Commission File Number: 001-34848

SEANERGY MARITIME HOLDINGS CORP.

(Translation of registrant's name into English)

154 Vouliagmenis Avenue

166 74 Glyfada

Athens, Greece

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F [X] Form 40-F [ ]

Indicate by check mark if the registrant is submitting the Form 6-K in paper as

permitted by Regulation S-T Rule 101(b)(1): ___

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)7: ___

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant's "home country"), or under the rules of the home country exchange on which the registrant's securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant's security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

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INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Seanergy Maritime Holdings Corp. (the "Company") announced today that it currently has 18,443,682 common shares issued and outstanding, par value $0.0001 per share (each, a “Common Share”).

The Company currently has no pre-funded warrants, 4,830,000 Class B Warrants and 3,145,889 Class C Warrants outstanding, following the Company’s public offering of units which closed on May 13, 2019 (the “Offering”). The units consisted of Common Shares, pre-funded warrants, Class B Warrants and Class C Warrants. All pre-funded warrants issued in the Offering have been exercised and, of the total of 4,830,000 Class C Warrants issued in the Offering, 1,684,111 Class C Warrants have been exercised and the shares issued are included in the number above.

This Report on Form 6-K is hereby incorporated by reference into the Company's Registration Statements on Form F-3 (File Nos. 333-226796, 333-166697, 333-169813 and 333-214967).

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