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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
------------
SCHEDULE 13G/A
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO
RULES 13d-1 (b), (c) AND (d) AND AMENDMENTS THERETO
FILED PURSUANT TO 13d-2 (b)
(Amendment No. 1)*
Natus Medical Incorporated
--------------------------------------------------------------------------------
(Name of Issuer)
Common Stock
--------------------------------------------------------------------------------
(Title of Class of Securities)
639050 10 3
--------------------------------------------------------------------------------
(CUSIP Number)
December 31, 2002
--------------------------------------------------------------------------------
(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)
| | Rule 13d-1(c)
|X| 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 18 pages
CUSIP No. 639050 10 3 Page 2 of 18 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Delphi Ventures, L.P. ("DV")
Tax ID Number:
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |X|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 0 shares.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0 shares.
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0 shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 shares.
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 639050 10 3 Page 3 of 18 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Delphi BioInvestments, L.P. ("DBI")
Tax ID Number:
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |X|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 0 shares.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0 shares.
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0 shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 shares.
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 639050 10 3 Page 4 of 18 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Delphi Ventures II, L.P. ("DV II")
Tax ID Number:
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |X|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 0 shares.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0 shares.
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0 shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 shares.
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 639050 10 3 Page 5 of 18 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Delphi BioInvestments II, L.P. ("DBI II")
Tax ID Number:
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |X|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 0 shares.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0 shares.
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0 shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 shares.
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 639050 10 3 Page 6 of 18 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Delphi Management Partners, L.P. ("DMP")
Tax ID Number:
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |X|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 0 shares.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0 shares.
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0 shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 shares.
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 639050 10 3 Page 7 of 18 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Delphi Management Partners II, L.P. ("DMP II")
Tax ID Number:
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |X|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 0 shares.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0 shares.
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0 shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 shares.
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 639050 10 3 Page 8 of 18 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
James J. Bochnowski ("Bochnowski")
Tax ID Number:
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |X|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
U.S. Citizen
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
93,361 shares (includes 18,055 shares issuable upon
exercise of options)
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 0 shares.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 93,361 shares (includes 18,055 shares issuable upon
WITH exercise of options)
--------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0 shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
93,361 shares (includes 18,055 shares issuable upon exercise of options)
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.58%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 639050 10 3 Page 9 of 18 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
David L. Douglass ("Douglass")
Tax ID Number:
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |X|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
U.S. Citizen
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 0 shares.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0 shares.
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0 shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 shares.
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 639050 10 3 Page 10 of 18 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Donald J. Lothrop ("Lothrop")
Tax ID Number:
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |X|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
U.S. Citizen
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
8,765 shares
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 0 shares.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 8,765 shares
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0 shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
8,765 shares
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.05%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Page 11 of 18 Pages
This Amendment No. 1 amends the Statement on 13(G) (the "Original Statement")
filed by Delphi Ventures III, L.P., a Delaware limited partnership ("DV III"),
Delphi BioInvestments III, L.P., a Delaware limited partnership ("DBI III"), and
Delphi Management Partners III, L.L.C., a Delaware limited liability company
("DMP III") and the general partner of DV III and DBI III, James J. Bochnowski
("Bochnowski"), David L. Douglass ("Douglass") and Donald J. Lothrop
("Lothrop"), the members of DMP III. The foregoing entities and individuals are
collectively referred to as the "Reporting Persons." Only those items as to
which there has been a change to the Original Statement are included in this
Amendment No. 1.
Item 5. Ownership of Five Percent or Less of a Class
If this statement is being filed to report the fact that as of the
date hereof the reporting person has ceased to be the beneficial owner
of more than five percent of the class of securities, check the
following: [X] Yes
Page 12 of 18 Pages
SIGNATURES
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
Dated: January 31, 2003
DELPHI VENTURES, L.P., a Delaware Limited
Partnership
By: Delphi Management Partners, L.P.,
a Delaware Limited Partnership
Its General Partner
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski
General Partner
DELPHI BIOINVESTMENTS, L.P., a Delaware
Limited Partnership
By: Delphi Management Partners, L.P.,
a Delaware Limited Partnership
Its General Partner
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski
General Partner
DELPHI MANAGEMENT PARTNERS, L.P., a
Delaware Limited Partnership
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski
General Partner
DELPHI VENTURES II, L.P., a Delaware
Limited Partnership
By: Delphi Management Partners II, L.P.,
a Delaware Limited Partnership
Its General Partner
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski
General Partner
DELPHI BIOINVESTMENTS II, L.P., a
Delaware Limited Partnership
By: Delphi Management Partners II, L.P.,
a Delaware Limited Partnership
Its General Partner
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski
General Partner
Page 13 of 18 Pages
DELPHI MANAGEMENT PARTNERS II, L.P., a
Delaware Limited Partnership
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski
General Partner
Page 14 of 18 Pages
JAMES J. BOCHNOWSKI
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski
DAVID L. DOUGLASS
By: /s/ David L. Douglass
-------------------------------------
David L. Douglass
DONALD J. LOTHROP
By: /s/ Donald J. Lothrop
-------------------------------------
Donald J. Lothrop
Page 15 of 18 Pages
EXHIBIT INDEX
Found on Sequentially
Exhibit Numbered Page
------- -------------
Exhibit A: Agreement of Joint Filing 16
Page 16 of 18 Pages
EXHIBIT A
Agreement of Joint Filing
The undersigned hereby agree that a single Schedule 13G (or any amendment
thereto) relating to the Common Stock of Natus Medical Incorporated shall be
filed on behalf of each of the undersigned and that this Agreement shall be
filed as an exhibit to such Schedule 13G.
Date: January 31, 2003
January 31, 2003 DELPHI MANAGEMENT PARTNERS, L.P.,
a Delaware Limited Partnership
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski, General Partner
January 31, 2003 DELPHI VENTURES, L.P.,
a Delaware Limited Partnership
By: Delphi Management Partners, L.P.,
a Delaware Limited Partnership
Its General Partner
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski, General Partner
January 31, 2003 DELPHI BIOINVESTMENTS, L.P.,
a Delaware Limited Partnership
By: Delphi Management Partners, L.P.,
a Delaware Limited Partnership
Its General Partner
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski, General Partner
Page 17 of 18 Pages
January 31, 2003 DELPHI MANAGEMENT PARTNERS II, L.P.,
a Delaware Limited Partnership
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski, General Partner
January 31, 2003 DELPHI VENTURES II, L.P.,
a Delaware Limited Partnership
By: Delphi Management Partners II, L.P.,
a Delaware Limited Partnership
Its General Partner
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski, General Partner
January 31, 2003 DELPHI BIOINVESTMENTS II, L.P.,
a Delaware Limited Partnership
By: Delphi Management Partners II, L.P.,
a Delaware Limited Partnership
Its General Partner
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski, General Partner
Page 18 of 18 Pages
January 31, 2003
By: /s/ James J. Bochnowski
-------------------------------------
James J. Bochnowski
January 31, 2003
By: /s/ David L. Douglass
-------------------------------------
David L. Douglass
January 31, 2003
By: /s/ Donald J. Lothrop
-------------------------------------
Donald J. Lothrop