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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G/A
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
Security Dynamics Technologies, Inc.
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(Name of Issuer)
Common Stock
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(Title of Class of Securities)
814208 10 4
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(CUSIP Number)
*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 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. 814208 10 4 SCHEDULE 13G Page 2 of 4 Pages
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1 NAMES OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Addison M. Fischer
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / /
(b) /X/
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.
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NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY 2,240,936
OWNED BY --------------------------------------------------
EACH REPORTING 6 SHARED VOTING POWER
PERSON WITH -0-
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7 SOLE DISPOSITIVE POWER
2,240,936
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8 SHARED DISPOSITIVE POWER
-0-
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,240,936
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10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES /X/
The aggregate amount in Row 9 excludes an aggregate of 97,112 shares of
the Issuer's Common Stock held of record by Kairdos, L.L.C., a Delaware
limited liability company, in which the reporting person is a stockholder
and director. The reporting person disclaims beneficial ownership over the
shares except to the extent of his pecuniary interest therein.
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
5.7%
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12 TYPE OF REPORTING PERSON
IN
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CUSIP No. 814208 10 4 SCHEDULE 13G Page 3 of 4 Pages
ITEM 1(a) NAME OF ISSUER: Security Dynamics Technologies, Inc.
ITEM 1(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 20 Crosby,
Bedford, MA 01730
ITEM 2(a) NAME OF PERSON FILING: Addison M. Fischer
ITEM 2(b) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
The principal business office of the reporting person is 3506
Mercantile Avenue, Naples, Florida 34104-3310.
ITEM 2(c) CITIZENSHIP: U.S.
ITEM 2(d) TITLE OF CLASS OF SECURITIES: Common Stock, par value $0.01 per
share
ITEM 2(e) CUSIP NUMBER: 814208 10 4
ITEM 3. CLASSIFICATION. Not Applicable
ITEM 4. OWNERSHIP: The information contained in Items (5), (7), (9) or (11)
of the cover page hereof is incorporated herein by this
reference. The reporting person may be deemed to be the
beneficial holder of 206,400 shares held by a grantor
retained annuity trust of which the reporting person is
the trustee and over which he has sole voting and
investment control. These shares are included in the
shares referenced in items (5), (7), (9) and (11) of
the cover page.
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
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CUSIP No. 814208 10 4 SCHEDULE 13G Page 4 of 4 Pages
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: February 4, 1998 /s/ Timothy Tomlinson
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Timothy Tomlinson, Attorney-In-Fact*
* The Power of Attorney previously filed with the Commission in connection
with the reporting person's Amendment to Form 4 (November, 1996) appointing
Timothy Tomlinson as attorney-in-fact for Addison M. Fischer is hereby
incorporated herein by this reference.
