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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
CYBERSOURCE CORPORATION
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(Name of Issuer)
COMMON STOCK
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(Title of Class of Securities)
23251J 10 6
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(CUSIP Number)
December 31, 1999
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(Date of Event Which Requires Filing of this Statement)
Check 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 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 5 Pages
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CUSIP No. 23251J 10 6 13G Page 2 of 5 Pages
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(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
William S. McKiernan
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(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) [ ]
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(3) SEC USE ONLY
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(4) CITIZENSHIP OR PLACE OF ORGANIZATION
USA
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(5) SOLE VOTING POWER
4,304,672 shares
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NUMBER OF (6) SHARED VOTING POWER
SHARES 272,100
BENEFICIALLY --------------------------------------------------
OWNED BY (7) SOLE DISPOSITIVE POWER
EACH 4,304,672
REPORTING --------------------------------------------------
PERSON WITH (8) SHARED DISPOSITIVE POWER
272,100
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(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,576,772
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(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN
SHARES* [ ]
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(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
19.0%
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(12) TYPE OF REPORTING PERSON*
IN
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Page 3 of 5 Pages
ITEM 1. (a) NAME OF ISSUER
CyberSource Corporation
ITEM 1. (b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
550 South Winchester Blvd., Suite 301, San Jose, CA 95128
ITEM 2. (a) NAME OF PERSON FILING:
William S. McKiernan
ITEM 2. (b) ADDRESS OF PRINCIPAL OFFICE
550 South Winchester Blvd., Suite 301, San Jose, CA 95128
ITEM 2. (c) CITIZENSHIP:
USA
ITEM 2. (d) TITLE OF CLASS OF SECURITIES:
Common Stock
ITEM 2. (e) CUSIP NUMBER:
23251J 10 6
ITEM 3. Not applicable.
ITEM 4. OWNERSHIP
The following information with respect to the ownership of the Common
Stock of the Issuer by the person filing this Statement is provided as of
December 31, 1999:
(a) Amount Beneficially Owned:
4,576,772 shares. Includes 4,304,672 shares of common stock held
by Mr. McKiernan and 272,100 shares of common stock held by members of Mr.
McKiernan's immediate family. Mr. McKiernan disclaims beneficial ownership of
the shares held by his immediate family.
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Page 4 of 5 Pages
(b) Percent of Class:
19.0%
(c) Number of shares as to which such person has:
(i) Sole power to vote or to direct the vote:
4,304,672
(ii) Shared power to vote or to direct the vote:
272,100
(iii) Sole power to dispose or to direct the disposition
of:
4,304,672
(iv) Shared power to dispose or to direct the
disposition of:
272,100
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 THE GROUP
Not applicable.
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Page 5 of 5 Pages
ITEM 10. CERTIFICATION
Not applicable.
SIGNATURE
After reasonable inquiry and to the best of our knowledge and belief,
the undersigned certify that the information set forth in this statement is
true, complete and correct.
Date: February 9, 2000
/s/ William S. McKiernan
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William S. McKiernan
