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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. 2 )*
Silicon Laboratories Inc.
--------------------------------------------------------------------------------
(Name of Issuer)
Common Stock
--------------------------------------------------------------------------------
(Title of Class of Securities)
826919102
--------------------------------------------------------------------------------
(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
disclosures provided in a prior cover page.
The information required on 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).
(Continued on following pages)
Page 1 of 19 pages
Exhibit Index on Page 17
CUSIP No. 826919102 Page 2 of 19 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Austin Ventures IV-A, L.P. ("AV IV-A")
--------------------------------------------------------------------------------
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
315,688 shares, except that AV Partners IV, L.P. ("AVP
IV"), the general partner of AV IV-A, may be deemed to
have sole power to vote these shares, and Joseph C.
Aragona ("Aragona"), Kenneth P. DeAngelis ("DeAngelis"),
Jeffery C. Garvey ("Garvey) and William P. Wood
("Wood"), the general partners of AVP IV, may be deemed
to have shared power to vote these shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY See response to row 5.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 315,688 shares, except that AVP IV, the general partner
WITH of AV IV-A, may be deemed to have sole power to dispose
of these shares, and Aragona, DeAngelis, Garvey and
Wood, the general partners of AVP IV, may be deemed to
have shared power to dispose of these shares.
--------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 7.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
315,688
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.6%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 826919102 Page 3 of 19 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Austin Ventures IV-B, L.P. ("AV IV-B")
--------------------------------------------------------------------------------
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
662,312 shares, except that AVP IV, the general partner
of AV IV-B, may be deemed to have sole power to vote
these shares, and Aragona, DeAngelis, Garvey and Wood,
the general partners of AVP IV, may be deemed to have
shared power to vote these shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY See response to row 5.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 662,312 shares, except that AVP IV, the general partner
WITH of AV IV-B, may be deemed to have sole power to dispose
of these shares, and Aragona, DeAngelis, Garvey and
Wood, the general partners of AVP IV, may be deemed to
have shared power to dispose of these shares.
--------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 7.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
662,312
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
1.4%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 826919102 Page 4 of 19 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
AV Partners IV, L.P.
--------------------------------------------------------------------------------
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
989,854 shares, of which 11,854 are directly owned by
AVP IV, 315,688 are directly owned by AV IV-A and
662,312 are directly owned by AV IV-B. AVP IV, the
general partner of AV IV-A and AV IV-B, may be deemed to
have sole power to vote these shares, and Aragona,
DeAngelis, Garvey and Wood, the general partners of AVP
IV, may be deemed to have shared power to vote these
shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY See response to row 5.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 989,854 shares, of which 11,854 are directly owned by
WITH AVP IV, 315,688 are directly owned by AV IV-A and
662,312 are directly owned by AV IV-B. AVP IV, the
general partner of AV IV-A and AV IV-B, may be deemed to
have sole power to dispose of these shares, and Aragona,
DeAngelis, Garvey and Wood, the general partners of AVP
IV, may be deemed to have shared power to dispose of
these shares.
--------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 7.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
989,854
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
2.0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 826919102 Page 5 of 19 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Austin Ventures V, L.P. ("AV V")
--------------------------------------------------------------------------------
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
1,555,894 shares, except that AV Partners V, L.P. ("AVP
V"), the general partner of AV V, may be deemed to have
sole power to vote these shares, and Aragona, DeAngelis,
Garvey, John D. Thornton ("Thornton"), Blaine F. Wesner
("Wesner") and Wood, partners of AVP V, may be deemed to
have shared power to vote these shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY See response to row 5.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 1,555,894 shares, except that AVP V, the general partner
WITH of AV V, may be deemed to have sole power to dispose of
these shares, and Aragona, DeAngelis, Garvey, Thornton,
Wesner and Wood, partners of AVP V, may be deemed to
have shared power to dispose of these shares.
--------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 7.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,555,894
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
3.2%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 826919102 Page 6 of 19 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Austin Ventures V Affiliates Fund, L.P. ("AV V A")
--------------------------------------------------------------------------------
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
167,686 shares, except that AVP V, the general partner
of AV V A, may be deemed to have sole power to vote
these shares, and Aragona, DeAngelis, Garvey, Thornton,
Wesner and Wood, partners of AVP V, may be deemed to
have shared power to vote these shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY See response to row 5.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 167,686 shares, except that AVP V, the general partner
of AV V A, may be deemed to have sole power to dispose
of these shares, and Aragona, DeAngelis, Garvey,
Thornton, Wesner and Wood, partners of AVP V, may be
deemed to have shared power to dispose of these shares.
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 7.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
167,686
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.3%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 826919102 Page 7 of 19 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
AV Partners V, L.P.
--------------------------------------------------------------------------------
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
1,723,580 shares, of which 1,555,894 are directly owned
by AV V and 167,686 are directly owned by AV V A. AVP V,
the general partner of AV V and AV V A, may be deemed to
have sole power to vote these shares, and Aragona,
DeAngelis, Garvey, Thornton, Wesner and Wood, partners
of AVP V, may be deemed to have shared power to vote
these shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY See response to row 5.
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 1,723,580 shares, of which 1,555,894 are directly owned
WITH by AV V and 167,686 are directly owned by AV V A. AVP V,
the general partner of AV V and AV V A, may be deemed to
have sole power to dispose of these shares, and Aragona,
DeAngelis, Garvey, Thornton, Wesner and Wood, partners
of AVP V, may be deemed to have shared power to dispose
of these shares.
--------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 7.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,723,580
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
3.5%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 826919102 Page 8 of 19 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Joseph C. Aragona
--------------------------------------------------------------------------------
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
127,473 shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 2,717,834 shares, of which 315,688 are directly owned by
OWNED BY AV IV-A, 662,312 are directly owned by AV IV-B, 11,854
EACH are directly owned by AVP IV, 1,555,894 are directly
REPORTING owned by AV V, 167,686 are directly owned by AV V A and
PERSON 4,400 are directly owned by the Sandra & Joseph Aragona
WITH Family Foundation ("Aragona Foundation"), a Texas
non-profit corporation. Aragona is a general partner of
both AV IV, the general partner of AV IV-A and AV IV-B,
and AVP V, the general partner of AV V and AV V A, and
is a trustee of the Aragona Foundation, and may be
deemed to have shared power to vote these shares.
--------------------------------------------------------
7 SOLE DISPOSITIVE POWER
127,473 shares.
--------------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,717,834 shares, of which 315,688 are directly owned by
AV IV-A, 662,312 are directly owned by AV IV-B, 11,854
are directly owned by AVP IV, 1,555,894 are directly
owned by AV V, 167,686 are directly owned by AV V A and
4,400 are directly owned by the Aragona Foundation.
Aragona is a general partner of both AV IV, the general
partner of AV IV-A and AV IV-B, and AVP V, the general
partner of AV V and AV V A, and is a trustee of the
Aragona Foundation, and may be deemed to have shared
power to dispose of these shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,845,307
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.8%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 826919102 Page 9 of 19 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Kenneth P. DeAngelis
--------------------------------------------------------------------------------
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
174,138 shares, of which 73,092 are directly owned by
DeAngelis and 101,046 are directly owned by DeAngelis,
Ltd., a Texas limited partnership, and DeAngelis, the
sole general partner of DeAngelis, Ltd., may be deemed
to have sole power to vote these shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 2,713,434 shares, of which 315,688 are directly owned by
OWNED BY AV IV-A, 662,312 are directly owned by AV IV-B, 11,854
EACH are directly owned by AVP IV, 1,555,894 are directly
REPORTING owned by AV V and 167,686 are directly owned by AV V A.
PERSON DeAngelis is a general partner of both AV IV, the
WITH general partner of AV IV-A and AV IV-B, and AVP V, the
general partner of AV V and AV V A, and may be deemed to
have shared power to vote these shares.
--------------------------------------------------------
7 SOLE DISPOSITIVE POWER
174,138 shares, of which 73,092 are directly owned by
DeAngelis and 101,046 are directly owned by DeAngelis,
Ltd., a Texas limited partnership, and DeAngelis, the
sole general partner of DeAngelis, Ltd., may be deemed
to have sole power to dispose of these shares.
--------------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,713,434 shares, of which 315,688 are directly owned by
AV IV-A, 662,312 are directly owned by AV IV-B, 11,854
are directly owned by AVP IV, 1,555,894 are directly
owned by AV V and 167,686 are directly owned by AV V A.
DeAngelis is a general partner of both AV IV, the
general partner of AV IV-A and AV IV-B, and AVP V, the
general partner of AV V and AV V A, and may be deemed to
have shared power to dispose of these shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,887,572
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.9%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 826919102 Page 10 of 19 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Jeffery C. Garvey
--------------------------------------------------------------------------------
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 2,713,434 shares, of which 315,688 are directly owned by
OWNED BY AV IV-A, 662,312 are directly owned by AV IV-B, 11,854
EACH are directly owned by AVP IV, 1,555,894 are directly
REPORTING owned by AV V and 167,686 are directly owned by AV V A.
PERSON Garvey is a general partner of both AV IV, the general
WITH partner of AV IV-A and AV IV-B, and AVP V, the general
partner of AV V and AV V A, and may be deemed to have
shared power to vote these shares.
--------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares.
--------------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,713,434 shares, of which 315,688 are directly owned by
AV IV-A, 662,312 are directly owned by AV IV-B, 11,854
are directly owned by AVP IV, 1,555,894 are directly
owned by AV V and 167,686 are directly owned by AV V A.
Garvey is a general partner of both AV IV, the general
partner of AV IV-A and AV IV-B, and AVP V, the general
partner of AV V and AV V A, and may be deemed to have
shared power to dispose of these shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,713,434
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.6%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 826919102 Page 11 of 19 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
John D. Thornton
--------------------------------------------------------------------------------
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
48,161 shares, of which 3,342 are directly owned by
Thornton and 44,819 are directly owned by John Thornton
Family I, Ltd. ("Family I"), a Texas limited
partnership, and Thornton, the sole general partner of
Family I, may be deemed to have sole power to vote these
shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 1,723,580 shares, of which 1,555,894 are directly owned
OWNED BY by AV V and 167,686 are directly owned by AV V A.
EACH Thornton is a general partner of AVP V, the general
REPORTING partner of AV V and AV V A, and may be deemed to have
PERSON shared power to vote these shares.
WITH --------------------------------------------------------
7 SOLE DISPOSITIVE POWER
48,161 shares, of which 3,342 are directly owned by
Thornton and 44,819 are directly owned by Family I, and
Thornton, the sole general partner of Family I, may be
deemed to have sole power to dispose of these shares.
--------------------------------------------------------
8 SHARED DISPOSITIVE POWER
1,723,580 shares, of which 1,555,894 are directly owned
by AV V and 167,686 are directly owned by AV V A.
Thornton is a general partner of AVP V, the general
partner of AV V and AV V A, and may be deemed to have
shared power to dispose of these shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,771,741
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
3.6%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 826919102 Page 12 of 19 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Blaine F. Wesner
--------------------------------------------------------------------------------
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
87,877 shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 1,723,580 shares, of which 1,555,894 are directly owned
OWNED BY by AV V and 167,686 are directly owned by AV V A. Wesner
EACH is a general partner of AVP V, the general partner of AV
REPORTING V and AV V A, and may be deemed to have shared power to
PERSON vote these shares.
WITH --------------------------------------------------------
7 SOLE DISPOSITIVE POWER
87,877 shares.
--------------------------------------------------------
8 SHARED DISPOSITIVE POWER
1,723,580 shares, of which 1,555,894 are directly owned
by AV V and 167,686 are directly owned by AV V A. Wesner
is a general partner of AVP V, the general partner of AV
V and AV V A, and may be deemed to have shared power to
dispose of these shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,811,457
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
3.7%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 826919102 Page 13 of 19 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
William P. Wood
--------------------------------------------------------------------------------
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
322,618 shares, of which 222,196 are directly owned by
Wood and 100,422 shares are directly owned by Silverton
Partners, L.P. ("Silverton"), a Texas limited
partnership, and Wood, the sole general partner of
Silverton, may be deemed to have sole power to vote
these shares.
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 3,115,781 shares, of which 315,688 are directly owned by
OWNED BY AV IV-A, 662,312 are directly owned by AV IV-B, 11,854
EACH are directly owned by AVP IV, 1,555,894 are directly
REPORTING owned by AV V, 167,686 are directly owned by AV V A,
PERSON 397,947 are directly owned by his spouse and children
WITH and 4,400 are directly owned by the Silverton
Foundation, a Texas non-profit corporation. Wood is a
general partner of AVP IV, the general partner of AV
IV-A and AV IV-B, and a partner of AVP V, the general
partner of AV V and AV V A, and is a trustee of the
Silverton Foundation, and may be deemed to have shared
power to vote these shares.
--------------------------------------------------------
7 SOLE DISPOSITIVE POWER
322,618 shares, of which 222,196 are directly owned by
Wood and 100,422 shares are directly owned by Silverton,
and Wood, the sole general partner of Silverton, may be
deemed to have sole power to dispose of these shares.
--------------------------------------------------------
8 SHARED DISPOSITIVE POWER
3,115,781 shares, of which 315,688 are directly owned by
AV IV-A, 662,312 are directly owned by AV IV-B, 11,854
are directly owned by AVP IV, 1,555,894 are directly
owned by AV V, 167,686 are directly owned by AV V A,
397,947 are directly owned by his spouse and children
and 4,400 are directly owned by the Silverton
Foundation, a Texas non-profit corporation. Wood is a
general partner of AVP IV, the general partner of AV
IV-A and AV IV-B, and a partner of AVP V, the general
partner of AV V and AV V A, and is a trustee of the
Silverton Foundation, and may be deemed to have shared
power to dispose of these shares.
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,438,399
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
7.0%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Page 14 of 19
This statement amends the Statement on Schedule 13G filed by Austin
Ventures IV-A, L.P., Austin Ventures IV-B, L.P., AV Partners IV, L.P., Austin
Ventures V, L.P., Austin Ventures V Affiliates Fund, L.P., AV Partners V, L.P.,
Joseph C. Aragona, Kenneth P. DeAngelis, Jeffery C. Garvey, John D. Thornton,
Blaine F. Wesner and William P. Wood. The foregoing entities and individuals are
collectively referred to as the "Reporting Persons."
ITEM 4. OWNERSHIP
The following information with respect to the ownership of the Common
Stock of the issuer by the persons filing this Statement is provided as
of December 31, 2002:
(a) Amount beneficially owned:
See Row 9 of cover page for each Reporting Person.
(b) Percent of Class:
See Row 11 of cover page for each Reporting Person.
(c) Number of shares as to which such person has:
(i) Sole power to vote or to direct the vote:
See Row 5 of cover page for each Reporting Person.
(ii) Shared power to vote or to direct the vote:
See Row 6 of cover page for each Reporting Person.
(iii) Sole power to dispose or to direct the disposition of:
See Row 7 of cover page for each Reporting Person.
(iv) Shared power to dispose or to direct the disposition of:
See Row 8 of cover page for each Reporting Person.
Page 15 of 19
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: February 11, 2003
AUSTIN VENTURES IV-A, L.P. /s/ Kevin Kunz
By AV Partners IV, L.P., -----------------------------------------
Its General Partner Signature
Kevin Kunz
Chief Financial Officer/Attorney-In-Fact
AUSTIN VENTURES IV-B, L.P. /s/ Kevin Kunz
By AV Partners IV, L.P., -----------------------------------------
Its General Partner Signature
Kevin Kunz
Chief Financial Officer/Attorney-In-Fact
AV PARTNERS IV, L.P. /s/ Kevin Kunz
-----------------------------------------
Signature
Kevin Kunz
Chief Financial Officer/Attorney-In-Fact
AUSTIN VENTURES V, L.P. /s/ Kevin Kunz
By AV Partners V, L.P., -----------------------------------------
Its General Partner Signature
Kevin Kunz
Chief Financial Officer/Attorney-In-Fact
AUSTIN VENTURES V AFFILIATES FUND, L.P. /s/ Kevin Kunz
By AV Partners V, L.P., -----------------------------------------
Its General Partner Signature
Kevin Kunz
Chief Financial Officer/Attorney-In-Fact
AV PARTNERS V, L.P. /s/ Kevin Kunz
-----------------------------------------
Signature
Kevin Kunz
Chief Financial Officer/Attorney-In-Fact
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JOSEPH C. ARAGONA /s/ Kevin Kunz
-----------------------------------------
Signature
Kevin Kunz
Chief Financial Officer/Attorney-In-Fact
KENNETH P. DeANGELIS /s/ Kevin Kunz
-----------------------------------------
Signature
Kevin Kunz
Chief Financial Officer/Attorney-In-Fact
JEFFERY C. GARVEY /s/ Kevin Kunz
-----------------------------------------
Signature
Kevin Kunz
Chief Financial Officer/Attorney-In-Fact
JOHN D. THORNTON /s/ Kevin Kunz
-----------------------------------------
Signature
Kevin Kunz
Chief Financial Officer/Attorney-In-Fact
BLAINE F. WESNER /s/ Kevin Kunz
-----------------------------------------
Signature
Kevin Kunz
Chief Financial Officer/Attorney-In-Fact
WILLIAM P. WOOD /s/ Kevin Kunz
-----------------------------------------
Signature
Kevin Kunz
Chief Financial Officer/Attorney-In-Fact
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EXHIBIT INDEX
Found on
Sequentially
Exhibit Numbered Page
------- -------------
Exhibit A: Agreement of Joint Filing 18
Exhibit B: Reference to Kevin Kunz as Attorney-In-Fact 19
Page 18 of 19
EXHIBIT A
Agreement of Joint Filing
The Reporting Persons hereby agree that a single Schedule 13G (or any
amendment thereto) relating to the Common Stock of Silicon Laboratories Inc.
shall be filed on behalf of each of the Reporting Persons. Note that copies of
the applicable Agreement of Joint Filing are already on file with the
appropriate agencies.
Page 19 of 19
EXHIBIT B
REFERENCE TO KEVIN KUNZ AS ATTORNEY-IN-FACT
Kevin Kunz has signed the enclosed documents as Attorney-In-Fact. Note
that copies of the applicable Power of Attorneys are already on file with the
appropriate agencies.