UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ___)* Modern Media Acquisistion Corp. (Name of Issuer) Common (Title of Class of Securities) 60765P103 (CUSIP Number) December 31, 2018 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: 	[_] Rule 13d-1(b) 	[_] Rule 13d-1(c) 	[x] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person? s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be ?filed? for the purpose of Section 18 of the Securities Exchange Act of 1934 (?Act?) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). SCHEDULE 13G CUSIP No. 60765P103 1 Names of Reporting Persons Mizuho Securities USA LLC 2 Check the appropriate box if a member of a Group (see instructions) (a) [ ] (b) [x] 3 Sec Use Only 4 Citizenship or Place of Organization United States Number of Shares Beneficially Owned by Each Reporting Person With: 5 Sole Voting Power 1189255 6 Shared Voting Power 7 Sole Dispositive Power 8 Shared Dispositive Power 9 Aggregate Amount Beneficially Owned by Each Reporting Person 1189255 10 Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) [ ] 11 Percent of class represented by amount in row (9) 5.4 12 Type of Reporting Person (See Instructions) BD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ___)* Constellation Alpha Capital Corp. (Name of Issuer) Common (Title of Class of Securities) G2379F108 (CUSIP Number) December 31, 2018 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: 	[_] Rule 13d-1(b) 	[_] Rule 13d-1(c) 	[x] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person?s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be ?filed? for the purpose of Section 18 of the Securities Exchange Act of 1934 (?Act?) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). SCHEDULE 13G CUSIP No. G2379F108 1 Names of Reporting Persons Mizuho Securities USA LLC 2 Check the appropriate box if a member of a Group (see instructions) (a) [ ] (b) [x] 3 Sec Use Only 4 Citizenship or Place of Organization United States Number of Shares Beneficially Owned by Each Reporting Person With: 5 Sole Voting Power 1228349 6 Shared Voting Power 7 Sole Dispositive Power 8 Shared Dispositive Power 9 Aggregate Amount Beneficially Owned by Each Reporting Person 1228349 10 Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) [ ] 11 Percent of class represented by amount in row (9) 6.6 12 Type of Reporting Person (See Instructions) BD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ___)* Greenland Acquisition Corporation (Name of Issuer) Common (Title of Class of Securities) G40981139 (CUSIP Number) December 31, 2018 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: 	[_] Rule 13d-1(b) 	[_] Rule 13d-1(c) 	[x] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person?s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be ?filed? for the purpose of Section 18 of the Securities Exchange Act of 1934 (?Act?) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). SCHEDULE 13G CUSIP No. G40981139 1 Names of Reporting Persons Mizuho Securities USA LLC 2 Check the appropriate box if a member of a Group (see instructions) (a) [ ] (b) [x] 3 Sec Use Only 4 Citizenship or Place of Organization United States Number of Shares Beneficially Owned by Each Reporting Person With: 5 Sole Voting Power 364918 6 Shared Voting Power 7 Sole Dispositive Power 8 Shared Dispositive Power 9 Aggregate Amount Beneficially Owned by Each Reporting Person 364918 10 Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) [ ] 11 Percent of class represented by amount in row (9) 6.9 12 Type of Reporting Person (See Instructions) BD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ___)* KBL Merger Corp. IV (Name of Issuer) Common (Title of Class of Securities) 48242A104 (CUSIP Number) December 31, 2018 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: 	[_] Rule 13d-1(b) 	[_] Rule 13d-1(c) 	[x] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person?s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment con taining information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be ?filed? for the purpose of Section 18 of the Securities Exchange Act of 1934 (?Act?) or otherwise subject t o the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see th e Notes). SCHEDULE 13G CUSIP No. 48242A104 1 Names of Reporting Persons Mizuho Securities USA LLC 2 Check the appropriate box if a member of a Group (see instructions) (a) [ ] (b) [x] 3 Sec Use Only 4 Citizenship or Place of Organization United States Number of Shares Beneficially Owned by Each Reporting Person With: 5 Sole Voting Power 1155186 6 Shared Voting Power 7 Sole Dispositive Power 8 Shared Dispositive Power 9 Aggregate Amount Beneficially Owned by Each Reporting Person 1155186 10 Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) [ ] 11 Percent of class represented by amount in row (9) 9.1 12 Type of Reporting Person (See Instructions) BD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ___)* CM Seven Star Acquisition Corporation (Name of Issuer) Common (Title of Class of Securities) G2345N102 (CUSIP Number) December 31, 2018 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: 	[_] Rule 13d-1(b) 	[_] Rule 13d-1(c) 	[x] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person?s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be ?filed? for the purpose of Section 18 of the Securities Exchange Act of 1934 (?Act?) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). SCHEDULE 13G CUSIP No. G2345N102 1 Names of Reporting Persons Mizuho Securities USA LLC 2 Check the appropriate box if a member of a Group (see instructions) (a) [ ] (b) [x] 3 Sec Use Only 4 Citizenship or Place of Organization United States Number of Shares Beneficially Owned by Each Reporting Person With: 5 Sole Voting Power 1853223 6 Shared Voting Power 7 Sole Dispositive Power 8 Shared Dispositive Power 9 Aggregate Amount Beneficially Owned by Each Reporting Person 1853223 10 Check box if the aggregate amount in row (9) excludes certain shares (See Instructions) [ ] 11 Percent of class represented by amount in row (9) 7.0 12 Type of Reporting Person (See Instructions) BD