| CUSIP No. 927625103 |
Page
2 of
5
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1
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Names
of Reporting Persons
I.R.S.
Identification Nos. of above persons (entities only)
LINDSAY
A. ROSENWALD, M.D.
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2
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Check
the Appropriate Box If a Member of a Group *
(a)
o
(b)
o
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3
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SEC
Use Only
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4
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Citizenship
or Place of Organization
UNITED
STATES
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Number
of
Shares
Beneficially
Owned
By
Each
Reporting
Person
With
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5
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Sole
Voting Power
3,722,315
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6
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Shared
Voting Power
-0-
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7
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Sole
Dispositive Power
3,722,315
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8
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Shared
Dispositive Power
-0-
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9
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Aggregate
Amount Beneficially Owned by Each Reporting Person
3,722,315
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10
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Check
Box If the Aggregate Amount in Row (9) Excludes Certain Shares
*
o
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11
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Percent
of Class Represented By Amount in Row (9)
6.7%
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12
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Type
of Reporting Person *
IN
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| CUSIP No. 927625103 |
Page 3
of
5
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Item
1(a)
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Name
of Issuer:
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VioQuest
Pharmaceuticals, Inc.
(the “Issuer”)
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Item
1(b)
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Address
of the Issuer’s Principal Executive Offices:
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180
Mt. Airy Road, Suite 102
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Basking
Ridge, NJ 07920
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Item
2(a)
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Name
of Person Filing:
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Lindsay
A. Rosenwald, M.D. (the "Reporting Person").
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Item
2(b)
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Address
of Principal Business Office or, if None,
Residence:
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c/o
Paramount BioSciences, LLC
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787
Seventh Avenue, 48th Floor
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New
York, NY 10036
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Item
2(c)
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Citizenship:
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United
States.
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Item
2(d)
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Title
of Class of Securities:
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Common
Stock (the “Shares”).
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Item
2(e)
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CUSIP
Number:
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927625103
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Item
3.
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If
this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b)
or (c),
check whether the person filing is a:
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This
Item 3 is not applicable.
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Item
4.
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Ownership:
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Item
4(a)
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Amount
Beneficially Owned:
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As
of December 31, 2007, the Reporting Person beneficially owned
3,722,315
Shares, consisting of (i) 2,044,000 Shares held directly by
the Reporting
Person; (ii) warrants to purchase 1,285,485 Shares held directly
by the
Reporting Person; and (iii) 392,830 Shares held by Paramount
BioSciences,
LLC, of which the Reporting Person is sole member.
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Item
4(b)
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Percent
of Class:
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| CUSIP No. 927625103 |
Page 4
of
5
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See
Item 11 of the cover page.
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Item
4(c)
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Number
of shares as to which such person
has:
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(i)
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Sole
power to vote or direct the vote:
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Please
see Item 5 of the cover page.
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(ii)
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Shared
power to vote or to direct the vote
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Please
see Item 6 of the cover page.
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(iii)
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Sole
power to dispose or to direct the disposition of
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Please
see Item 7 of the cover page.
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(iv)
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Shared
power to dispose or to direct the disposition of
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Please
see Item 8 of the cover page.
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Item
5.
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Ownership
of Five Percent or Less of a Class:
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This
Item 5 is not applicable.
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Item
6.
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Ownership
of More than Five Percent on Behalf of Another
Person:
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See
Item 4 Above.
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Item
7.
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Identification
and Classification of the Subsidiary Which Acquired the Security
Being
Reported on by the Parent Holding Company:
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This
Item 7 is not applicable.
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Item
8.
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Identification
and Classification of Members of the Group:
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This
Item 8 is not applicable.
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Item
9.
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Notice
of Dissolution of Group:
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This
Item 9 is not applicable.
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Item
10.
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Certification:
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By
signing below I certify that, to the best of my knowledge and belief,
the
securities referred to above were not acquired and are not held
for the
purpose of or with the effect of changing or influencing the control
of
the issuer of the securities and were not acquired and are not
held in
connection with or as a participant in any transaction having such
purpose
or effect.
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Page 5
of
5
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February
13, 2008
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| /s/ Lindsay A. Rosenwald, M.D. | ||
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Lindsay
A. Rosenwald, M.D.
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