SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
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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. 1)(1)
S1 CORPORATION
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(Name of Issuer)
Common Stock, par value $.01 per share
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(Title of Class of Securities)
814279 10 5
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(CUSIP Number)
December 31, 1999
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(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)
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(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 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>
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CUSIP NO. 814279 10 5 13G PAGE 2 OF 5 PAGES
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1. NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Michael C. McChesney
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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 U.S. Citizen
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5. SOLE VOTING POWER 1,530,092
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NUMBER OF 6. SHARED VOTING POWER 0
SHARES
BENEFICIALLY ------------------------------------------------------------
OWNED BY 7. SOLE DISPOSITIVE POWER 1,530,092
EACH
REPORTING ------------------------------------------------------------
PERSON WITH 8. SHARED DISPOSITIVE POWER 535,000
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9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,065,092
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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
5.4%
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12. TYPE OF REPORTING PERSON*
IN
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2
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ITEM 1(A). NAME OF ISSUER:
S1 Corporation
ITEM 1(B). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
3390 Peachtree Road, NE
Suite 1700
Atlanta, GA 30326
ITEM 2(A). NAME OF PERSON FILING:
Michael C. McChesney
ITEM 2(B). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
37 Muscogee Avenue
Atlanta, Georgia 30305
ITEM 2(C). CITIZENSHIP:
United States of America
ITEM 2(D). TITLE OF CLASS OF SECURITIES:
Common Stock, par value $.01 per share
ITEM 2(E). CUSIP NUMBER:
814279 10 5
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b), OR 13d-2(b)
OR (c), CHECK WHETHER THE PERSON FILING IS A:
Not applicable.
ITEM 4. OWNERSHIP.
(a) Amount Beneficially Owned:
2,065,092
(b) Percent of Class:
5.4%
3
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(c) Number of Shares as to which such person has:
(i) sole power to vote or to direct the vote
1,530,092
(ii) shared power to vote or to direct the vote
0
(iii) sole power to dispose or to direct the disposition of
1,530,092
(iv) shared power to dispose or to direct the disposition of
535,000
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. CERTIFICATIONS.
Not applicable.
4
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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.
February 14, 2000
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(Date)
/s/ Michael C. McChesney
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Michael C. McChesney
5
