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SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. )*
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MATRITECH, INC.
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(Name of Issuer)
Common Stock, $.01 par value
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(Title of Class of Securities)
576818108
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(CUSIP Number)
April 6, 1999
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(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[ ] Rule 13d-1(b)
[X] Rule 13d-1(c)
[ ] Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act,
but shall be subject to all other provisions of the Act (however, see the
Notes).
Page 1 of 9 pages
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CUSIP No. 576818108 13G Page 2 of 9 Pages
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1 Names of Reporting Persons/I.R.S. Identification Nos. of Above Persons
(Entities Only)
Zero Stage Capital Co., Inc.
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2 Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [ ]
N/A (b) [ ]
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3 SEC Use Only
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4 Citizenship or Place of Organization
Massachusetts
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5 Sole Voting Power
-00- shares
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Number of 6 Shared Voting Power
Shares
Beneficially -00- shares -- But please also refer to
Owned by Item 4(a).
Each ------------------------------------------------------------
Reporting 7 Sole Dispositive Power
Person With
-00- shares
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8 Shared Dispositive Power
-00- shares -- But please refer to Item 4(a).
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9 Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares -- But please refer to Item 4(a).
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10 Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
[ ]
N/A
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11 Percent of Class Represented by Amount in Row (9)
0.0%
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12 Type of Reporting Person (See Instructions)
CO
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Page 2 of 9 pages
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CUSIP No. 576818108 13G Page 3 of 9 Pages
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1 Names of Reporting Persons/I.R.S. Identification Nos. of Above Persons
(Entities Only)
Zero Stage Capital Associates VI, LLC
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2 Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [ ]
N/A (b) [ ]
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3 SEC Use Only
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4 Citizenship or Place of Organization
Massachusetts
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5 Sole Voting Power
2,325,581 shares
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Number of 6 Shared Voting Power
Shares
Beneficially -0- shares
Owned by ------------------------------------------------------------
Each 7 Sole Dispositive Power
Reporting
Person With 2,325,581 shares
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8 Shared Dispositive Power
-0- shares
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9 Aggregate Amount Beneficially Owned by Each Reporting Person
2,325,581 shares
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10 Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
[ ]
N/A
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11 Percent of Class Represented by Amount in Row (9)
10.7%
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12 Type of Reporting Person (See Instructions)
00
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Page 3 of 9 pages
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CUSIP No. 576818108 13G Page 4 of 9 Pages
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1 Names of Reporting Persons/I.R.S. Identification Nos. of Above Persons
(Entities Only)
Zero Stage Capital VI Limited Partnership
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2 Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [ ]
N/A (b) [ ]
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3 SEC Use Only
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4 Citizenship or Place of Organization
Massachusetts
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5 Sole Voting Power
-0- shares
------------------------------------------------------------
Number of 6 Shared Voting Power
Shares
Beneficially -0- shares -- But please refer to Item 4(a).
Owned by ------------------------------------------------------------
Each 7 Sole Dispositive Power
Reporting
Person With -0- shares
------------------------------------------------------------
8 Shared Dispositive Power
-0- shares -- But please refer to Item 4(a).
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9 Aggregate Amount Beneficially Owned by Each Reporting Person
-0- shares -- But please refer to Item 4(a).
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10 Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
[ ]
N/A
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11 Percent of Class Represented by Amount in Row (9)
0.0%
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12 Type of Reporting Person (See Instructions)
PN
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Page 4 of 9 pages
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ITEM 1.
On April 6, 1999, Matritech, Inc. (the "Issuer") sold 3,094,965 shares of
its Common Stock to certain persons in a private placement transaction,
including 2,325,581 shares to Zero Stage Capital VI Limited Partnership (the
"Fund"). As a result of that transaction, the general partner of the Fund, Zero
Stage Capital Associates VI, LLC (the "General Partner"), became the "beneficial
owner" (as defined in Rule 13d-3 of Regulation 13D-G under the Securities
Exchange Act of 1934) of 10.7% of the outstanding shares of Common Stock of the
Issuer.
(a) NAME OF ISSUER
Matritech, Inc.
(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES
330 Nevada Street
Newton, Massachusetts 02400
ITEM 2.
(a), (b), and (c)
The reporting persons are:
(1) Zero Stage Capital Co., Inc., a Massachusetts corporation (the
"Management Company")
(2) Zero Stage Capital Associates VI, LLC, a Massachusetts limited
liability company
(3) Zero Stage Capital VI Limited Partnership, a Massachusetts
limited partnership
The address for each of the reporting persons is:
17th Floor
101 Main Street
Kendall Square
Cambridge, MA 02142
(d) TITLE OF CLASS OF SECURITIES
Common Stock, $.01 par value
(e) CUSIP NUMBER
576818108
Page 5 of 9 pages
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ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(b) OR 13D-2(b), CHECK
WHETHER THE PERSON FILING IS A:
Not applicable.
ITEM 4. OWNERSHIP
(a) AMOUNT BENEFICIALLY OWNED
(1) The Management Company is a venture capital firm which directly or
indirectly provides management services and investment advice to
venture capital funds, including the Fund. The principals of the
Management Company disclaim all beneficial ownership of all of the
shares held by the Fund.
(2) The General Partner exercises sole voting and investment power
with respect to the shares held by the Fund.
(3) The Fund is the record and economic owner of the 2,325,581 shares,
but the exercise of voting and dispositive power is in the General
Partner.
(b) PERCENT OF CLASS
10.7%
(c) NUMBER OF SHARES AS TO WHICH SUCH PERSON HAS:
(i) SOLE POWER TO VOTE OR TO DIRECT THE VOTE
Fund: -0- shares
General Partner: -2,325,581- shares
Management Company: -0- shares
(ii) SHARED POWER TO VOTE OR TO DIRECT THE VOTE
Fund, General Partner and Management Company: -0- shares --
But please also refer to Item 4(a).
(iii) SOLE POWER TO DISPOSE OR TO DIRECT THE DISPOSITION OF
Fund: -0- shares
General Partner: -2,325,581- shares
Management Company: -0- shares
Page 6 of 9 pages
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(iv) SHARED POWER TO DISPOSE OR TO DIRECT THE DISPOSITION OF
Fund, General Partner and Management Company: -0- shares --
But please also refer to Item 4(a).
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS
Not applicable.
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON
Not applicable.
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY
Not applicable.
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP
Not applicable.
ITEM 9. NOTICE OF DISSOLUTION OF GROUP
Not applicable.
ITEM 10. CERTIFICATION
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 were not acquired and are not
held in connection with or as a participant in any transaction having that
purpose or effect.
Page 7 of 9 pages
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SIGNATURE
After reasonable inquiry and to the best of its knowledge and belief, the
undersigned certifies that the information set forth in this statement is true,
complete and correct.
Date: April 20, 1999
ZERO STAGE CAPITAL CO., INC.
By: /s/ Paul Kelley
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Name: Paul Kelley
Title: President
ZERO STAGE CAPITAL ASSOCIATES VI, LLC
By: /s/ Paul Kelley
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Name: Paul Kelley
Title: Manager
ZERO STAGE CAPITAL VI LIMITED
PARTNERSHIP
By: Zero Stage Capital Associates VI,
LLC, its general partner
By: /s/ Paul Kelley
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Name: Paul Kelley
Title: Manager
Page 8 of 9 pages
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EXHIBIT A
JOINT FILING AGREEMENT
Pursuant to Rule 13d-1(f)(1)(iii) of Regulation 13D-G of the General Rules
and Regulations under the Securities Exchange Act of 1934 (the "Exchange Act"),
the undersigned hereby agree to the joint filing with all of the Reporting
Persons (as such term is defined in the Schedule 13G referred to below) on
behalf of each of them of a statement on Schedule 13G (including any amendments
thereto) with respect to the Common Stock, no par value per share, of Matritech,
Inc., and that this Joint Filing Agreement be included as an exhibit to such
joint filing.
In evidence thereof, such Reporting Persons hereby execute this Agreement
as of the 20th day of April, 1999.
ZERO STAGE CAPITAL CO., INC.
By: /s/ Paul Kelley
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Name: Paul Kelley
Title: President
ZERO STAGE CAPITAL ASSOCIATES VI, LLC
By: /s/ Paul Kelley
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Name: Paul Kelley
Title: Manager
ZERO STAGE CAPITAL VI LIMITED
PARTNERSHIP
By: Zero Stage Capital Associates VI,
LLC, its general partner
By: /s/ Paul Kelley
-------------------------------------
Name: Paul Kelley
Title: Manager
Page 9 of 9 pages
