-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, LS6ISDYVcRPTp12rp3ileatzPr2lIEBy4fiZNs2bybsud70h2TZdE9lDNEdLoTpa dISu4WkSK2PzreLIKpME8A== 0000950103-10-000336.txt : 20100210 0000950103-10-000336.hdr.sgml : 20100210 20100210145849 ACCESSION NUMBER: 0000950103-10-000336 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20100210 DATE AS OF CHANGE: 20100210 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Iridium Communications Inc. CENTRAL INDEX KEY: 0001418819 STANDARD INDUSTRIAL CLASSIFICATION: COMMUNICATIONS EQUIPMENT, NEC [3669] IRS NUMBER: 221344998 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-83853 FILM NUMBER: 10587627 BUSINESS ADDRESS: STREET 1: 6707 DEMOCRACY BOULEVARD STREET 2: SUITE 300 CITY: BETHESDA STATE: MD ZIP: 20817 BUSINESS PHONE: 301-571-6200 MAIL ADDRESS: STREET 1: 6707 DEMOCRACY BOULEVARD STREET 2: SUITE 300 CITY: BETHESDA STATE: MD ZIP: 20817 FORMER COMPANY: FORMER CONFORMED NAME: GHL Acquisition Corp. DATE OF NAME CHANGE: 20071119 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: GREENHILL & CO INC CENTRAL INDEX KEY: 0001282977 STANDARD INDUSTRIAL CLASSIFICATION: FINANCE SERVICES [6199] IRS NUMBER: 510500737 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 300 PARK AVENUE STREET 2: 23RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 212-389-1500 MAIL ADDRESS: STREET 1: 300 PARK AVENUE CITY: NEW YORK STATE: NY ZIP: 10022 SC 13G/A 1 dp16453_sc13ga.htm SCHEDULE 13G/A

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO

RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2.

(Amendment No. 1)*

Iridium Communications Inc.

(Name of Issuer)

Common Stock, $0.001 par value per share

(Title of Class of Securities)

46269C102

(CUSIP Number)

December 31, 2009

(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o Rule 13d-1(b)

o 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 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. 46269C102

1	NAMES OF REPORTING PERSONS Greenhill & Co., Inc.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)	o
	(b)	o
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	5	SOLE VOTING POWER 12,924,016
	6	SHARED VOTING POWER None
	7	SOLE DISPOSITIVE POWER 12,924,016
	8	SHARED DISPOSITIVE POWER None

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 12,924,016
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES	o
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 17.4%
12	TYPE OF REPORTING PERSON CO

Name of Issuer:

Iridium Communications Inc.

Address of Issuer’s Principal Executive Offices:

6707 Democracy Boulevard, Suite 300, Bethesda, Maryland 20817.

Name of Person Filing:

Greenhill & Co., Inc.

Address of Principal Business Office or, if None, Residence:

300 Park Avenue, New York, NY 10022.

See item 4 on Cover Pages to this Schedule 13G.

Title of Class of Securities:

Common Stock, $0.001 par value per share (“Common Stock”).

If this Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:

o Broker or dealer registered under Section 15 of the Exchange Act;

o Bank as defined in Section 3(a)(6) of the Exchange Act;

o Insurance company as defined in Section 3(a)(19) of the Exchange Act;

o Investment company registered under Section 8 of the Investment Company Act;

o An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

o An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);

o A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);

o A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;

o A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;

o Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

If this statement is filed pursuant to Rule 13d-1(c), check this box. o

The filing of this statement should not be construed as an admission by any person that such person is, for purposes of Section 13(d) or 13(g) of the Exchange Act, the beneficial owner of any securities covered by this statement, other than the securities set forth opposite such person’s name in the table in Item 4(c) below.

Amount beneficially owned:

Greenhill & Co., Inc. owns 8,924,016 shares of Common Stock and warrants to acquire 4,000,000 shares of Common Stock.

Percent of class: 17.4%

Percent of class is based on the number of outstanding shares of Common Stock reported by Iridium Communications Inc. in its most recently filed Form 10-Q, as adjusted for the issuance of 4,000,000 shares of Common Stock upon the exercise of the warrants described in item 4(a) above.

Number of shares as to which such person has:

Sole power to vote or to direct the vote: 12,924,016

Shared power to vote or to direct the vote: None

Sole power to dispose or to direct the disposition of: 12,924,016

Shared power to dispose or to direct the disposition of: None

Ownership of Five Percent or Less of a Class.

Not applicable.

Ownership of More than Five Percent on Behalf of Another Person.

Not applicable.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company.

Not applicable.

Identification and Classification of Members of the Group.

Not applicable.

Notice of Dissolution of Group.

Not applicable.

Certifications.

Not applicable.

After reasonable inquiry and to the best knowledge and belief of each of the undersigned, the undersigned certifies that the information set forth in this statement is true, complete and correct.

	Date: February 10, 2010



	GREENHILL & CO., INC.


	By:	/s/ Ulrika Ekman
		Name: Ulrika Ekman
		Title: General Counsel and Secretary

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