13D Filing: Halcyon Mount Bonnell Fund LP and Nextdecade Corp. (NEXT)

Schedule 13D

CUSIP No. 65342K105

1

NAMES OF REPORTING PERSON

Halcyon Master Fund L.P.

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)

☐

(b)

☒

3

SEC USE ONLY

4

SOURCE OF FUNDS

OO

5

CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(D) OR 2(E)

☐

6

CITIZENSHIP OR PLACE OF ORGANIZATION

Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

7

SOLE VOTING POWER

432,665^†

8

SHARED VOTING POWER

0

9

SOLE DISPOSITIVE POWER

432,665^†

10

SHARED DISPOSITIVE POWER

0

11

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

432,665^†

12

CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

☐

13

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

0.41%^†

14

TYPE OF REPORTING PERSON

PN