<PAGE>
As Filed with the Securities and Exchange Commission on February 11, 1999
================================================================================
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
Under the Securities Act of 1934
(Amendment No. 1 )*
-----
Software AG Systems, Inc.
-------------------------------------------
(Name of Issuer)
Common Stock, par value $.01 per share
--------------------------------------------------
(Title of Class of Securities)
834025 10 8
-----------
(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)
* 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).
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- ----------------------- ---------------------
CUSIP NO. 834025108 SCHEDULE 13G
- ----------------------- ---------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Software AG
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [X]
(b) [_]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION:
4
Republic of Germany
- ------------------------------------------------------------------------------
SOLE VOTING POWER:
5
NUMBER OF
2,750,000
SHARES
-----------------------------------------------------------
SHARED VOTING POWER:
BENEFICIALLY 6
OWNED BY 0
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER:
7
REPORTING
PERSON 2,750,000
-----------------------------------------------------------
SHARED DISPOSITIVE POWER:
WITH 8
0
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
2,750,000
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10
[_]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):
11
9.0%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON:
12
CO
- ------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 2 of 7 Pages
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- ----------------------- ---------------------
CUSIP NO. 834025108 SCHEDULE 13G
- ----------------------- ---------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Dr. Erwin W. Koenigs
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [X]
(b) [_]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION:
4
Republic of Germany
- ------------------------------------------------------------------------------
SOLE VOTING POWER:
5
NUMBER OF
SHARES 29,025
-----------------------------------------------------------
SHARED VOTING POWER:
BENEFICIALLY 6
OWNED BY 0
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER:
7
REPORTING
29,025
PERSON
-----------------------------------------------------------
SHARED DISPOSITIVE POWER:
WITH 8
0
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
9
29,025
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10
[X]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):
11
0.1%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON:
12
IN
- ------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 3 of 7 Pages
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- ----------------------- ---------------------
CUSIP NO. 834025108 SCHEDULE 13G
- ----------------------- ---------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON:
1 S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Volker Dawedeit
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [X]
(b) [_]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION: Republic of Germany
4
- ------------------------------------------------------------------------------
SOLE VOTING POWER:
5
NUMBER OF
SHARES 247
-----------------------------------------------------------
SHARED VOTING POWER:
BENEFICIALLY 6
OWNED BY 0
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER:
7
REPORTING
PERSON 247
-----------------------------------------------------------
SHARED DISPOSITIVE POWER:
WITH 8
0
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
9
247
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10
[X]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):
11
0.0%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON:
12
IN
- ------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 4 of 7 Pages
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CUSIP No. 834025108 SCHEDULE 13G
---------
AMENDMENT NO. 1 TO SCHEDULE 13G
-------------------------------
The Schedule 13G, dated February 12, 1998, of Software AG, Dr. Erwin W.
Koenigs and Mr. Volker Dawedeit (collectively, the "Reporting Persons") is
hereby amended as set forth below. Capitalized terms used herein without
definition have the meanings set forth in the Schedule 13G. This Amendment No.1
to Schedule 13G should be read in conjunction with, and is qualified in its
entirety by reference to, the Schedule 13G.
ITEM 4. OWNERSHIP.
---------
Item 4 of the Schedule 13G is revised and amended and is restated as
follows:
The aggregate number and percentage of outstanding shares of common stock,
par value $.01 per share, of Software AG Systems, Inc. (the "Shares")
beneficially owned by each of the Reporting Persons are set forth below.
1. SOFTWARE AG
-----------
(a) Amount Beneficially Owned: 2,750,000
(b) Percent of Class: 9.0%
(c) Number of Shares to which such person has:
(i) sole power to vote or direct the vote: 2,750,000
(ii) shared power to vote or direct the vote: 0
(iii) sole power to dispose or to direct the
disposition of: 2,750,000
(iv) shared power to dispose or to direct
the disposition of: 0
Page 5 of 7
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CUSIP No. 834025108 SCHEDULE 13G
---------
2. DR. ERWIN W. KOENIGS /(1)/
--------------------
(a) Amount Beneficially Owned: 29,025
(b) Percent of Class: 0.1%
(c) Number of Shares to which such person has:
(i) sole power to vote or direct the vote: 29,025
(ii) shared power to vote or direct the vote: 0
(iii) sole power to dispose or to direct the
disposition of: 29,025
(iv) shared power to dispose or to direct
the disposition of: 0
3. VOLKER DAWEDEIT /(2)/
---------------------
(a) Amount Beneficially Owned: 247
(b) Percent of Class: 0.0%
(c) Number of Shares to which such person has:
(i) sole power to vote or direct the vote: 247
(ii) shared power to vote or direct the vote: 0
(iii) sole power to dispose or to direct the
disposition of: 247
(iv) shared power to dispose or to direct
the disposition of: 0
___________________________________
/(1)/ Dr. Koenigs, a director of Software AG Systems, Inc., is the Chairman
of the Board and Chief Executive Officer of Software AG, and may be deemed to
have or share voting and investment power with respect to the Shares held of
record by Software AG. Dr. Koenigs disclaims beneficial ownership of all Shares
held of record by Software AG. The filing of this Amendment No. 1 to Schedule
13G by Dr. Koenigs shall not be construed as an admission that Dr. Koenigs is,
for the purposes of Sections 13(d) or 13(g) of the Securities Exchange Act of
1934, as amended (the "Act"), the beneficial owner of any Shares held of record
by Software AG.
/(2)/ Mr. Dawedeit is the Chief Financial Officer and a director of Software
AG, and may be deemed to have or share voting and investment power with respect
to the Shares held of record by Software AG. Mr. Dawedeit disclaims beneficial
ownership of all Shares held of record by Software AG. The filing of this
Amendment No. 1 to Schedule 13G by Mr. Dawedeit shall not be construed as an
admission that Mr. Dawedeit is, for the purposes of Sections 13(d) or 13(g) of
the Act the beneficial owner of any Shares held of record by Software AG.
Page 6 of 7 Pages
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CUSIP No. 834025108 SCHEDULE 13G
---------
SIGNATURES
After reasonable inquiry and to the best of the knowledge and belief of
each of the undersigned, each of the undersigned certifies that the information
set forth in this statement is true, complete and correct.
Dated: February 1, 1999
Software AG
By: /s/ Dr. Erwin W. Koenigs
------------------------------
Dr. Erwin W. Koenigs
Chairman of the Board and
Chief Executive Officer
By: /s/ Dr. Erwin W. Koenigs
-------------------------------
Dr. Erwin W. Koenigs
By: /s/ Volker Dawedeit
--------------------------
Volker Dawedeit
Page 7 of 7
