Sec Form 4 Filing - Baralonco Ltd @ Iridium Communications Inc. - 2018-03-20

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Baralonco Ltd 2. Issuer Name and Ticker or Trading Symbol Iridium Communications Inc. [ IRDM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) P.O. BOX 71, ROAD TOWN, 3. Date of Earliest Transaction (MM/DD/YY) 03/20/2018 (Street) TORTOLA, D8VG1110 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/20/2018 C 530,110 ( 1 ) A 12,930,110 D ( 3 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares 7.00% Series A Cumulative Perpetual Convertible Preferred St ( 1 ) 03/20/2018 C 50,000 10/03/2012 ( 2 ) Common Stock 530,110 ( 1 ) $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Baralonco Ltd P.O. BOX 71, ROAD TOWN TORTOLA, D8VG1110 X bin Abdullah bin Abdulrahman Khalid P.O. BOX 71, ROAD TOWN BRITISH VIRGIN ISLANDS TORTOLA, D8VG1110 X Signatures /s/ Larry G. Franceski, Attorney-in-Fact 04/15/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Issuer caused the mandatory conversion of 7.00% Series A Cumulative Perpetual Convertible Preferred Stock into shares of Common Stock on March 20, 2018, at a conversion price of approximately $9.43 per share (equivalent to a conversion rate of 10.6022 shares of Common Stock for each share of 7.00% Series A Cumulative Perpetual Convertible Preferred Stock). Upon the mandatory conversion of such Convertible Stock, accrued and unpaid dividends were paid in cash by the Issuer. ( 2 )These securities have no stated expiration date. ( 3 )This Form 4 is a joint filing with the sole owner of Baralonco Limited, Khalid bin Abdullah bin Abdulrahman, at the same business address. The joint filer is the indirect owner of the same shares as to which Baralonco Limited is the direct owner.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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