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 * LENTZ NATHANAEL V   2. Issuer Name and Ticker or Trading Symbol VERTICALNET INC [VERT] 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 (Last) (First) (Middle) 400 CHESTER FIELD PARKWAY 3. Date of Earliest Transaction (Month/Day/Year) 03/01/2006 (Street) MALVERN, PA 19355 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 03/01/2006   A   123,750 (1) A $ 0.01 (2) 452,129 (3) 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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
LENTZ NATHANAEL V 400 CHESTER FIELD PARKWAY MALVERN, PA 19355	X		President and CEO

Signatures

Christopher G. Kuhn, power of attorney		03/03/2006
**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)	Award of Restricted Stock pursuant to 2000 Equity Compensation Plan. 100% of the grant vests on September 1, 2006 provided reporting person is a employee on that date.
(2)	Payable upon distribution of the shares.
(3)	Includes: 123,750 shares of Common Stock that may be issued upon vesting of Restricted Stock; 100% of the 123,750 shares of Restricted Stock vest on September 1, 2006 provided the reporting person is an employee on that date; 34,375 shares of Common Stock that may be issued upon vesting of Restricted Stock Units; 25% of the 34,375 Restricted Stock Units vests on May 5, 2006; 6.25% vests on the fifth day of every third month thereafter until and including May 5, 2009 provided reporting person is an employee on those dates; and 34,375 shares of Common Stock that may be issued on the vesting of Restricted Stock Units: 25% of the 34,375 Restricted Stock Units vests on September 8, 2006; 6.25% vests on the eighth day of every third month thereafter until and including September 8, 2009 provided reporting person is an employee on those dates.

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