SEC FORM 4

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

1. Name and Address of Reporting Person^*

HOCKEMEIER J CURT

(Last)

(First)

(Middle)

C/O ARBINET-THEXCHANGE, INC.

120 ALBANY STREET, TOWER II, SUITE 450

(Street)

NEW BRUNSWICK

08901

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
ARBINET THEXCHANGE INC [ ARBX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2006

4. If Amendment, Date of 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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/02/2006		X		18,750	A	$0.16	580,323⁽¹⁾	D
Common Stock	03/02/2006		X		20,507	A	$0.16	600,830⁽¹⁾	D
Common Stock	03/02/2006		X		62	A	$0.16	600,892⁽¹⁾	D
Common Stock								65,625⁽²⁾	I	See Footnote⁽²⁾
Coomon Stock								400	I	See Footnote⁽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 (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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (right to buy)	$0.16	03/02/2006		X			18,750	05/31/2003	08/02/2011	Common Stock	18,750	$0.16	513,023⁽⁴⁾	D
Stock Option (right to buy)	$0.16	03/02/2006		X			20,507	05/31/2002	05/30/2012	Common Stock	20,507	$0.16	492,516⁽⁴⁾	D
Stock Option (right to buy)	$0.16	03/02/2006		X			62	06/14/2002	06/13/2012	Common Stock	62	$0.16	492,454⁽⁴⁾	D

Explanation of Responses:

1. Includes 93,750 shares of restricted common stock held by Mr. Hockemeier, a portion of which remains subject to repurchase by the Issuer, 396,153 shares of common stock held by Mr. Hockemeier and 5,000 shares of common stock held jointly with Mr. Hockemeier's spouse.

2. Consists of 21,875 shares of common stock directly held by William T. Hockemeier Irrevocable Trust; 21,875 shares of common stock directly held by Beverly G. Hockemeier Irrevocable Trust and 21,875 shares directly held by Abby S. Hockemeier Irrevocable Trust.

3. Consists of 400 shares held by Mr. Hockemeier's spouse.

4. Includes multiple option grants with different exercise prices and vesting dates.

	/s/ J. Curt Hockemeier	03/06/2006
	** Signature of Reporting Person	Date
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.