<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. __)*
InterNAP Network Services Corporation
(Name of Issuer)
Common Stock Par Value $0.001
(Title of Class of Securities)
45885A102
(CUSIP Number)
September 29, 1999
-------------------------------------------------------
(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>
Cusip No. 45885A102 13G Page 2 of 19 Pages
- --------------------------------------------------------------------------------
1. Names of Reporting Persons
S.S. or I.R.S. Identification Nos. of Above Persons (entities only.)
Oak Investment Partners VIII, Limited Partnership
06-1522124
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) |_|
(b) |X|
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
Delaware
- --------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially Owned
by Each Reporting Not applicable
Person with: ------------------------------------------------
(6) Shared Voting Power
5,992,276 Shares of Common Stock
------------------------------------------------
(7) Sole Dispositive Power
Not applicable
------------------------------------------------
(8) Shared Dispositive Power
5,992,276 Shares of Common Stock
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each
Reporting Person
5,992,276 Shares of Common Stock
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes
Certain Shares (See Instructions) |_|
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row 9
9.7%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions)
PN
- --------------------------------------------------------------------------------
<PAGE>
Cusip No. 45885A102 13G Page 3 of 19 Pages
- --------------------------------------------------------------------------------
1. Names of Reporting Persons
S.S. or I.R.S. Identification Nos. of Above Persons (entities only.)
Oak Associates VIII, LLC
06-1523705
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) |_|
(b) |X|
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
Delaware
- --------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially Owned
by Each Reporting Not applicable
Person with: --------------------------------------------------
(6) Shared Voting Power
5,992,276 Shares of Common Stock
--------------------------------------------------
(7) Sole Dispositive Power
Not applicable
--------------------------------------------------
(8) Shared Dispositive Power
5,992,276 Shares of Common Stock
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each
Reporting Person
5,992,276 Shares of Common Stock
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes
Certain Shares (See Instructions) |_|
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row 9
9.7%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions)
OO-LLC
- --------------------------------------------------------------------------------
<PAGE>
Cusip No. 45885A102 13G Page 4 of 19 Pages
- --------------------------------------------------------------------------------
1. Names of Reporting Persons
S.S. or I.R.S. Identification Nos. of Above Persons (entities only.)
Oak VIII Affiliates Fund, Limited Partnership
06-1528836
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) |_|
(b) |X|
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
Delaware
- --------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially Owned
by Each Reporting Not applicable
Person with: --------------------------------------------------
(6) Shared Voting Power
116,058 Shares of Common Stock
--------------------------------------------------
(7) Sole Dispositive Power
Not applicable
--------------------------------------------------
(8) Shared Dispositive Power
116,058 Shares of Common Stock
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each
Reporting Person
116,058 Shares of Common Stock
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes
Certain Shares (See Instructions) |_|
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row 9
Less than 1.0%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions)
PN
- --------------------------------------------------------------------------------
<PAGE>
Cusip No. 45885A102 13G Page 5 of 19 Pages
- --------------------------------------------------------------------------------
1. Names of Reporting Persons
S.S. or I.R.S. Identification Nos. of Above Persons (entities only.)
Oak VIII Affiliates, LLC
06-1531129
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) |_|
(b) |X|
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
Delaware
- --------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially Owned
by Each Reporting Not applicable
Person with: ------------------------------------------------
(6) Shared Voting Power
116,058 Shares of Common Stock
------------------------------------------------
(7) Sole Dispositive Power
Not applicable
------------------------------------------------
(8) Shared Dispositive Power
116,058 Shares of Common Stock
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each
Reporting Person
116,058 Shares of Common Stock
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes
Certain Shares (See Instructions) |_|
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row 9
Less than 1.0%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions)
OO-LLC
- --------------------------------------------------------------------------------
<PAGE>
Cusip No. 45885A102 13G Page 6 of 19 Pages
- --------------------------------------------------------------------------------
1. Names of Reporting Persons
S.S. or I.R.S. Identification Nos. of Above Persons (entities only.)
Oak Management Corporation
06-0990851
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) |_|
(b) |X|
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
Delaware
- --------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially Owned
by Each Reporting Not applicable
Person with: --------------------------------------------------
(6) Shared Voting Power
6,108,334 Shares of Common Stock
--------------------------------------------------
(7) Sole Dispositive Power
Not applicable
--------------------------------------------------
(8) Shared Dispositive Power
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each
Reporting Person
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes
Certain Shares (See Instructions) |_|
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row 9
9.7%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions)
CO
- --------------------------------------------------------------------------------
<PAGE>
Cusip No. 45885A102 13G Page 7 of 19 Pages
- --------------------------------------------------------------------------------
1. Names of Reporting Persons
S.S. or I.R.S. Identification Nos. of Above Persons (entities only.)
Bandel L. Carano
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) |_|
(b) |X|
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
United States
- --------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially Owned
by Each Reporting Not applicable
Person with: --------------------------------------------------
(6) Shared Voting Power
6,108,334 Shares of Common Stock
--------------------------------------------------
(7) Sole Dispositive Power
Not applicable
--------------------------------------------------
(8) Shared Dispositive Power
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each
Reporting Person
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes
Certain Shares (See Instructions) |_|
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row 9
9.7%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions)
IN
- --------------------------------------------------------------------------------
<PAGE>
Cusip No. 45885A102 13G Page 8 of 19 Pages
- --------------------------------------------------------------------------------
1. Names of Reporting Persons
S.S. or I.R.S. Identification Nos. of Above Persons (entities only.)
Gerald R. Gallagher
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) |_|
(b) |X|
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
United States
- --------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially Owned
by Each Reporting Not applicable
Person with: --------------------------------------------------
(6) Shared Voting Power
6,108,334 Shares of Common Stock
--------------------------------------------------
(7) Sole Dispositive Power
Not applicable
--------------------------------------------------
(8) Shared Dispositive Power
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each
Reporting Person
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes
Certain Shares (See Instructions) |_|
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row 9
9.7%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions)
IN
- --------------------------------------------------------------------------------
<PAGE>
Cusip No. 45885A102 13G Page 9 of 19 Pages
- --------------------------------------------------------------------------------
1. Names of Reporting Persons
S.S. or I.R.S. Identification Nos. of Above Persons (entities only.)
Edward F. Glassmeyer
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) |_|
(b) |X|
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
United States
- --------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially Owned
by Each Reporting Not applicable
Person with: --------------------------------------------------
(6) Shared Voting Power
6,108,334 Shares of Common Stock
--------------------------------------------------
(7) Sole Dispositive Power
Not applicable
--------------------------------------------------
(8) Shared Dispositive Power
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each
Reporting Person
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes
Certain Shares (See Instructions) |_|
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row 9
9.7%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions)
IN
- --------------------------------------------------------------------------------
<PAGE>
Cusip No. 45885A102 13G Page 10 of 19 Pages
1. Names of Reporting Persons
S.S. or I.R.S. Identification Nos. of Above Persons (entities only.)
Fredric W. Harman
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) |_|
(b) |X|
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
United States
- --------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially Owned
by Each Reporting Not applicable
Person with: --------------------------------------------------
(6) Shared Voting Power
6,108,334 Shares of Common Stock
--------------------------------------------------
(7) Sole Dispositive Power
Not applicable
--------------------------------------------------
(8) Shared Dispositive Power
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each
Reporting Person
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes
Certain Shares (See Instructions) |_|
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row 9
9.7%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions)
IN
- --------------------------------------------------------------------------------
<PAGE>
Cusip No. 45885A102 13G Page 11 of 19 Pages
- --------------------------------------------------------------------------------
1. Names of Reporting Persons
S.S. or I.R.S. Identification Nos. of Above Persons (entities only.)
Ann H. Lamont
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) |_|
(b) |X|
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
United States
- --------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially Owned
by Each Reporting Not applicable
Person with: --------------------------------------------------
(6) Shared Voting Power
6,108,334 Shares of Common Stock
--------------------------------------------------
(7) Sole Dispositive Power
Not applicable
--------------------------------------------------
(8) Shared Dispositive Power
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each
Reporting Person
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes
Certain Shares (See Instructions) |_|
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row 9
9.7%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions)
IN
- --------------------------------------------------------------------------------
<PAGE>
Cusip No. 45885A102 13G Page 12 of 19 Pages
- --------------------------------------------------------------------------------
1. Names of Reporting Persons
S.S. or I.R.S. Identification Nos. of Above Persons (entities only.)
Eileen M. More
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a) |_|
(b) |X|
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
United States
- --------------------------------------------------------------------------------
Number of Shares (5) Sole Voting Power
Beneficially Owned
by Each Reporting Not applicable
Person with: --------------------------------------------------
(6) Shared Voting Power
6,108,334 Shares of Common Stock
--------------------------------------------------
(7) Sole Dispositive Power
Not applicable
--------------------------------------------------
(8) Shared Dispositive Power
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each
Reporting Person
6,108,334 Shares of Common Stock
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes
Certain Shares (See Instructions) |_|
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row 9
9.7%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions)
IN
- --------------------------------------------------------------------------------
<PAGE>
Page 13 of 19 pages
Schedule 13G
Common Stock, Par Value $0.001
CUSIP No. 45885A102
ITEM 1(a) NAME OF ISSUER:
InterNAP Network Services Corporation
ITEM 1(b) Address of Issuer's Principal Executive Offices:
5090 North 40th Street, Suite 160
Phoenix, Arizona 85018
ITEM 2(a) NAME OF PERSON FILING:
Oak Investment Partners VIII, Limited Partnership
Oak Associates VIII, LLC
Oak VIII Affiliates Fund, Limited Partnership
Oak VIII Affiliates, LLC
Oak Management Corporation
Bandel L. Carano
Gerald R. Gallagher
Edward F. Glassmeyer
Fredric W. Harman
Ann H. Lamont
Eileen M. More
ITEM 2(b) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
c/o Oak Management Corporation
One Gorham Island
Westport, CT 06880
ITEM 2(c) CITIZENSHIP:
Please refer to Item 4 on each cover sheet for each filing person
ITEM 2(d) TITLE OF CLASS OF SECURITIES:
Common stock, $0.001 par value
ITEM 2(e) CUSIP NUMBER: 45885A102
ITEM 3 Not Applicable.
<PAGE>
ITEM 4 OWNERSHIP.
The approximate percentages of shares of Common Stock reported
as beneficially owned by the Reporting Entities are based upon
63,001,228 shares outstanding as of September 29, 1999 as reported in
the Issuer's Prospectus dated September 29, 1999.
Please see Items 5, 6, 7, 8, 9 and 11 for each cover sheet for each
filing entity.
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.
Not applicable
<PAGE>
Signature
- ---------
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: October 12, 1999
Oak Investment Partners VIII, Limited Partnership
By: Oak Associates VIII, LLC,
As General Partner
By: /s/ Edward F. Glassmeyer
---------------------------------------------
Managing Member
Oak Associates VIII, LLC
By: /s/ Edward F. Glassmeyer
---------------------------------------------
Managing Member
Oak VIII Affiliates Fund, Limited Partnership
By: Oak VIII Affiliates, LLC, As General Partner
By: /s/ Edward F. Glassmeyer
---------------------------------------------
Managing Member
Oak VIII Affiliates, LLC
By: /s/ Edward F. Glassmeyer
---------------------------------------------
Managing Member
<PAGE>
OAK MANAGEMENT CORPORATION
By: /s/Edward F. Glassmeyer
---------------------------------------
Name: Edward F. Glassmeyer
Title: President
/s/ Bandel L. Carano
-------------------------------------
Bandel L. Carano
/s/ Gerald R. Gallagher
-------------------------------------
Gerald R. Gallagher
/s/ Edward F. Glassmeyer
-------------------------------------
Edward F. Glassmeyer
/s/ Fredric W. Harman
-------------------------------------
Fredric W. Harman
/s/ Ann H. Lamont
-------------------------------------
Ann H. Lamont
/s/ Eileen M. More
-------------------------------------
Eileen M. More
<PAGE>
INDEX TO EXHIBITS
-----------------
Page
----
EXHIBIT A Agreement of Reporting Persons 18
<PAGE>
Exhibit A
---------
Each of the undersigned hereby agrees that the Schedule 13G filed on
the date hereof with respect to the shares of Common Stock of InterNAP Network
Services Corporation. has been filed on behalf of the undersigned. Signature:
Dated: October 12, 1999
Oak Investment Partners VIII, Limited Partnership
By: Oak Associates VIII, LLC,
As General Partner
By: /s/ Edward F. Glassmeyer
---------------------------------------------
Managing Member
Oak Associates VIII, LLC
By: /s/ Edward F. Glassmeyer
---------------------------------------------
Managing Member
Oak VIII Affiliates Fund, Limited Partnership
By: Oak VIII Affiliates, LLC, As General Partner
By: /s/ Edward F. Glassmeyer
---------------------------------------------
Managing Member
Oak VIII Affiliates, LLC
By: /s/ Edward F. Glassmeyer
---------------------------------------------
Managing Member
<PAGE>
OAK MANAGEMENT CORPORATION
By: /s/Edward F. Glassmeyer
---------------------------------------
Name: Edward F. Glassmeyer
Title: President
/s/ Bandel L. Carano
-------------------------------------
Bandel L. Carano
/s/ Gerald R. Gallagher
-------------------------------------
Gerald R. Gallagher
/s/ Edward F. Glassmeyer
-------------------------------------
Edward F. Glassmeyer
/s/ Fredric W. Harman
-------------------------------------
Fredric W. Harman
/s/ Ann H. Lamont
-------------------------------------
Ann H. Lamont
/s/ Eileen M. More
-------------------------------------
Eileen M. More
