Ownership Submission
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 OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
Hume Emmett
  2. Issuer Name and Ticker or Trading Symbol
ORBCOMM Inc. [ORBC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive VP, International
(Last)
(First)
(Middle)
C/O ORBCOMM INC., 2115 LINWOOD AVE. SUITE 100
3. Date of Earliest Transaction (Month/Day/Year)
05/03/2007
(Street)

FORT LEE, NJ 07024
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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               50,610 I by Emmett Hume IRA
Common Stock 05/03/2007   M   58,336 A $ 4.26 63,346 D  
Common Stock 05/03/2007   F   19,191 D $ 12.95 44,155 D  
Common Stock 05/29/2007   S   4,947 D $ 11.5 21,722 I by David Hume Trust
Common Stock 05/29/2007   S   4,947 D $ 11.5 22,722 I by Cara Hume Trust
Restricted Stock Units (Time Vested) (1)               2,489 D  

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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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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
(Month/Day/Year)
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
Stock Options $ 4.26 05/03/2007   M     58,336   (2)   (2) Common Stock 58,336 (2) $ 0 24,998 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Hume Emmett
C/O ORBCOMM INC.
2115 LINWOOD AVE. SUITE 100
FORT LEE, NJ 07024
      Executive VP, International  

Signatures

 /s/ Emmett Hume   05/31/2007
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Each Time Vested Restricted Stock Unit ("TV RSU") represents the right to receive one share of common stock. 1,245 TV RSUs vested on January 1, 2007 and are reflected in the amount of common stock listed on Table I and an additional 1,245 TV RSUs will vest on each of January 1, 2008 and January 1, 2009. Mr. Hume's Performance Vested Restricted Stock Units lapsed unvested.
(2) 83,334 Options were issued on December 3, 2004. 16,667 Options vested on such date. The remaining 66,667 Options vest at a rate of 4,167 per quarter beginning December 31, 2004. The Options expire on December 3, 2014.

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