<PAGE> 1
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
(Rule 13d-102)
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)(1)
Heartstream, Inc.
(Name of Issuer)
Common Stock, par value $.001 per share
(Title of Class of Securities)
421963109
(CUSIP Number)
December 31, 1998
(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)
(1) 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> 2
13G
- ------------------- ------------------
CUSIP No. 421963109 Page 2 of 16 pages.
- ------------------- ------------------
- --------------------------------------------------------------------------------
1. Name of Reporting Person
I.R.S. Identification No. of Above Persons (Entities Only)
MAYFIELD VII, A CALIFORNIA LIMITED PARTNERSHIP
94-3167809
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (a) [ ]
(b) [X]
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
CALIFORNIA
- --------------------------------------------------------------------------------
5. Sole Voting Power
-0-
Number of Shares --------------------------------------------------
Beneficially Owned By 6. Shared Voting Power
Each Reporting -0-
Person With --------------------------------------------------
7. Sole Dispositive Power
-0-
--------------------------------------------------
8. Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person
-0-
- --------------------------------------------------------------------------------
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
- --------------------------------------------------------------------------------
<PAGE> 3
13G
- ------------------- ------------------
CUSIP No. 421963109 Page 3 of 16 pages.
- ------------------- ------------------
- --------------------------------------------------------------------------------
1. Name of Reporting Person
I.R.S. Identification No. of Above Persons (Entities Only)
MAYFIELD VII MANAGEMENT PARTNERS, A CALIFORNIA LIMITED PARTNERSHIP
94-3167811
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (a) [ ]
(b) [X]
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
CALIFORNIA
- --------------------------------------------------------------------------------
5. Sole Voting Power
-0-
---------------------------------------------------
6. Shared Voting Power
Number of Shares -0-
Beneficially Owned By ---------------------------------------------------
Each Reporting 7. Sole Dispositive Power
Person With -0-
---------------------------------------------------
8. Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person
-0-
- --------------------------------------------------------------------------------
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
- --------------------------------------------------------------------------------
<PAGE> 4
13G
- ------------------- ------------------
CUSIP No. 421963109 Page 4 of 16 pages.
- ------------------- ------------------
- --------------------------------------------------------------------------------
1. Name of Reporting Person
I.R.S. Identification No. of Above Persons (Entities Only)
MAYFIELD ASSOCIATES FUND II, A CALIFORNIA LIMITED PARTNERSHIP
94-3191510
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (a) [ ]
(b) [X]
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization
CALIFORNIA
- --------------------------------------------------------------------------------
5. Sole Voting Power
-0-
---------------------------------------------------
6. Shared Voting Power
Number of Shares
Beneficially Owned By -0-
Each Reporting ---------------------------------------------------
Person With 7. Sole Dispositive Power
-0-
---------------------------------------------------
8. Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person
-0-
- --------------------------------------------------------------------------------
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
- --------------------------------------------------------------------------------
<PAGE> 5
13G
- ------------------- ------------------
CUSIP No. 421963109 Page 5 of 16 pages.
- ------------------- ------------------
- --------------------------------------------------------------------------------
1. Name of Reporting Person
I.R.S. Identification No. of Above Persons (Entities Only)
YOGEN K. DALAL
- --------------------------------------------------------------------------------
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.
- --------------------------------------------------------------------------------
5. Sole Voting Power
-0-
---------------------------------------------------
6. Shared Voting Power
Number of
Shares -0-
Beneficially ---------------------------------------------------
Owned By 7. Sole Dispositive Power
Each
Reporting -0-
Person ---------------------------------------------------
With
8. Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person
-0-
- --------------------------------------------------------------------------------
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
- --------------------------------------------------------------------------------
<PAGE> 6
13G
- ------------------- ------------------
CUSIP No. 421963109 Page 6 of 16 pages.
- ------------------- ------------------
- --------------------------------------------------------------------------------
1. Name of Reporting Person
I.R.S. Identification No. of Above Persons (Entities Only)
F. GIBSON MYERS, JR.
- --------------------------------------------------------------------------------
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.
- --------------------------------------------------------------------------------
5. Sole Voting Power
-0-
---------------------------------------------------
6. Shared Voting Power
Number of
Shares -0-
Beneficially ---------------------------------------------------
Owned By 7. Sole Dispositive Power
Each
Reporting -0-
Person ---------------------------------------------------
With
8. Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person
-0-
- --------------------------------------------------------------------------------
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
- --------------------------------------------------------------------------------
<PAGE> 7
13G
- ------------------- ------------------
CUSIP No. 421963109 Page 7 of 16 pages.
- ------------------- ------------------
- --------------------------------------------------------------------------------
1. Name of Reporting Person
I.R.S. Identification No. of Above Persons (Entities Only)
KEVIN A. FONG
- --------------------------------------------------------------------------------
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.
- --------------------------------------------------------------------------------
5. Sole Voting Power
-0-
---------------------------------------------------
Number of 6. Shared Voting Power
Shares
Beneficially -0-
Owned By ---------------------------------------------------
Each 7. Sole Dispositive Power
Reporting
Person -0-
With ---------------------------------------------------
8. Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person
-0-
- --------------------------------------------------------------------------------
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
- --------------------------------------------------------------------------------
<PAGE> 8
13G
- ------------------- ------------------
CUSIP No. 421963109 Page 8 of 16 pages.
- ------------------- ------------------
- --------------------------------------------------------------------------------
1. Name of Reporting Person
I.R.S. Identification No. of Above Persons (Entities Only)
WILLIAM D. UNGER
- --------------------------------------------------------------------------------
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.
- --------------------------------------------------------------------------------
5. Sole Voting Power
-0-
---------------------------------------------------
6. Shared Voting Power
Number of
Shares -0-
Beneficially ---------------------------------------------------
Owned By 7. Sole Dispositive Power
Each
Reporting -0-
Person ---------------------------------------------------
With
8. Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person
-0-
- --------------------------------------------------------------------------------
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
- --------------------------------------------------------------------------------
<PAGE> 9
13G
- ------------------- ------------------
CUSIP No. 421963109 Page 9 of 16 pages.
- ------------------- ------------------
- --------------------------------------------------------------------------------
1. Name of Reporting Person
I.R.S. Identification No. of Above Persons (Entities Only)
WENDELL G. VAN AUKEN, III
- --------------------------------------------------------------------------------
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.
- --------------------------------------------------------------------------------
5. Sole Voting Power
-0-
---------------------------------------------------
6. Shared Voting Power
Number of
Shares -0-
Beneficially ---------------------------------------------------
Owned By 7. Sole Dispositive Power
Each
Reporting -0-
Person ---------------------------------------------------
With
8. Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person
-0-
- --------------------------------------------------------------------------------
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
- --------------------------------------------------------------------------------
<PAGE> 10
13G
- ------------------- -------------------
CUSIP No. 421963109 Page 10 of 16 pages.
- ------------------- -------------------
- --------------------------------------------------------------------------------
1. Name of Reporting Person
I.R.S. Identification No. of Above Persons (Entities Only)
MICHAEL J. LEVINTHAL
- --------------------------------------------------------------------------------
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.
- --------------------------------------------------------------------------------
5. Sole Voting Power
-0-
---------------------------------------------------
6. Shared Voting Power
Number of
Shares -0-
Beneficially ---------------------------------------------------
Owned By 7. Sole Dispositive Power
Each
Reporting -0-
Person ---------------------------------------------------
With
8. Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person
-0-
- --------------------------------------------------------------------------------
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
- --------------------------------------------------------------------------------
<PAGE> 11
13G
- ------------------- -------------------
CUSIP No. 421963109 Page 11 of 16 pages.
- ------------------- -------------------
- --------------------------------------------------------------------------------
1. Name of Reporting Person
I.R.S. Identification No. of Above Persons (Entities Only)
A. GRANT HEIDRICH, III
- --------------------------------------------------------------------------------
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.
- --------------------------------------------------------------------------------
5. Sole Voting Power
-0-
---------------------------------------------------
6. Shared Voting Power
Number of
Shares -0-
Beneficially ---------------------------------------------------
Owned By 7. Sole Dispositive Power
Each
Reporting -0-
Person ---------------------------------------------------
With
8. Shared Dispositive Power
-0-
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person
-0-
- --------------------------------------------------------------------------------
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
- --------------------------------------------------------------------------------
<PAGE> 12
ITEM 1.
(a) NAME OF ISSUER:
Heartstream, Inc.
(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
2401 4th Avenue, Suite 300
Seattle, WA 98121
ITEM 2.
(a) NAME OF PERSONS FILING:
Mayfield VII, a California Limited Partnership
Mayfield VII Management Partners, a California
Limited Partnership
Mayfield Associates Fund II, a California Limited
Partnership
Yogen K. Dalal
Kevin A. Fong
Wendell G. Van Auken, III
A. Grant Heidrich, III
F. Gibson Myers, Jr.
William D. Unger
Michael J. Levinthal
(b) ADDRESS OF PRINCIPAL BUSINESS OFFICE:
c/o Mayfield Fund
2800 Sand Hill Road
Menlo Park, CA 94025
(c) CITIZENSHIP:
The entities listed in Item 2(a) are California
Limited Partnerships.
The individuals listed in Item 2(a) are U.S.
citizens.
(d) TITLE OF CLASS OF SECURITIES:
Common Stock, par value $.001 per share
(e) CUSIP NUMBER:
421963109
Page 12 of 16 pages.
<PAGE> 13
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
The information regarding ownership as set forth in Items 5-9
of Pages 2-11 hereto, is hereby incorporated by reference.
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].
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 13 of 16 pages.
<PAGE> 14
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.
Date: February 16, 1999
MAYFIELD VII
A California Limited Partnership
By: /s/ George A. Pavlov
-----------------------------------------
George A. Pavlov, Authorized Signatory
By: MAYFIELD VII MANAGEMENT PARTNERS
A California Limited Partnership
By: /s/ George A. Pavlov
-----------------------------------------
George A. Pavlov, Authorized Signatory
By: MAYFIELD ASSOCIATES FUND II
A California Limited Partnership
By: /s/ George A. Pavlov
-----------------------------------------
George A. Pavlov, Authorized Signatory
YOGEN K. DALAL
By: /s/ George A. Pavlov
-----------------------------------------
George A. Pavlov, Attorney In Fact
F. GIBSON MYERS, JR.
By: /s/ George A. Pavlov
-----------------------------------------
George A. Pavlov, Attorney In Fact
KEVIN A. FONG
By: /s/ George A. Pavlov
-----------------------------------------
George A. Pavlov, Attorney In Fact
WILLIAM D. UNGER
By: /s/ George A. Pavlov
-----------------------------------------
George A. Pavlov, Attorney In Fact
Page 14 of 16 pages.
<PAGE> 15
WENDELL G. VAN AUKEN, III
By: /s/ George A. Pavlov
-----------------------------------------
George A. Pavlov, Attorney In Fact
MICHAEL J. LEVINTHAL
By: /s/ George A. Pavlov
-----------------------------------------
George A. Pavlov, Attorney In Fact
A. GRANT HEIDRICH, III
By: /s/ George A. Pavlov
-----------------------------------------
George A. Pavlov, Attorney In Fact
Page 15 of 16 pages.
