UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 4 )*
If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. o
The information required on 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).
CUSIP No. |
55607X 10 8 |
1 | NAMES OF REPORTING PERSONS: Macquarie Infrastructure Management (USA) Inc. |
||||||||||
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY): |
|||||||||||
2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS): |
||||||||||
(a) o | |||||||||||
(b) o | |||||||||||
3 | SEC USE ONLY: | ||||||||||
4 | SOURCE OF FUNDS (SEE INSTRUCTIONS): | ||||||||||
AF | |||||||||||
5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e): | ||||||||||
o | |||||||||||
6 | CITIZENSHIP OR PLACE OF ORGANIZATION: | ||||||||||
Delaware | |||||||||||
7 | SOLE VOTING POWER: | ||||||||||
NUMBER OF | 2,578,648 | ||||||||||
SHARES | 8 | SHARED VOTING POWER: | |||||||||
BENEFICIALLY | |||||||||||
OWNED BY | 0 | ||||||||||
EACH | 9 | SOLE DISPOSITIVE POWER: | |||||||||
REPORTING | |||||||||||
PERSON | 1,979,648 | ||||||||||
WITH | 10 | SHARED DISPOSITIVE POWER: | |||||||||
599,000 | |||||||||||
11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON: | ||||||||||
2,578,648 | |||||||||||
12 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS): | ||||||||||
o | |||||||||||
13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): | ||||||||||
9.5% | |||||||||||
14 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS): | ||||||||||
CO |
ii
Page | ||||
Item 1. Security and Issuer |
1 | |||
Item 2. Identity and Background |
1 | |||
Item 3. Source and Amount of Funds or Other Consideration |
1 | |||
Item 4. Purpose of Transaction |
1 | |||
Item 5. Interest in Securities of the Issuer |
1 | |||
Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer |
1 | |||
Item 7. Material to Be Filed as Exhibits |
1 |
June 29, 2006 | MACQUARIE INFRASTRUCTURE MANAGEMENT (USA) INC. |
|||
By: | /s/ Heidi Mortensen | |||
Name: | Heidi Mortensen | |||
Title: | Attorney-in-Fact | |||