<PAGE> 1
Filed Pursuant to Rule 424(b)(3)
Registration No. 333-53457
SENSORMATIC ELECTRONICS CORPORATION
SUPPLEMENT NUMBER SIX TO PROSPECTUS DATED DECEMBER 20, 2000
This Supplement is a part of the Prospectus dated December 20,
1999 relating to 6,900,000 Depositary Shares ("Depositary Shares"), each
representing a one-tenth interest in a share of 6 1/2% Convertible Preferred
Stock, par value $.01 per share ("Preferred Stock"), of Sensormatic Electronics
Corporation ("Sensormatic"). The Prospectus (as well as this Supplement) also
relates to 690,000 shares of the Preferred Stock and certain shares of Common
Stock, par value $.01 per share, of Sensormatic, issued upon conversion of such
Depositary Shares and/or Preferred Stock and issued or issuable in payment of
dividends and certain premium payments with respect to the Preferred Stock. The
Prospectus was previously supplemented by Supplement Number One dated January
24, 2000, Supplement Number Two dated January 25, 2000, Supplement Number Three
dated February 15, 2000, Supplement Number Four dated April 6, 2000 and
Supplement Number Five dated May 10, 2000. Defined terms contained in this
Supplement have the meanings assigned to them in the Prospectus.
The following updates certain information concerning the
Selling Securityholders and the securities of Sensormatic held by them, as set
forth in the Prospectus under the caption "Selling Security Holders", based on
information received from the Selling Securityholders named below after the date
of the Prospectus and prior to the date hereof. The information concerning the
Selling Securityholders in the Prospectus (including any previous Supplement) is
not being updated to show sales, except to the extent that any such sales are
reflected in the current beneficial ownership information set forth below.
Except as amended or supplemented hereby or as contemplated by the preceding
sentence, the information in the Prospectus concerning the Selling
Securityholders and the securities of Sensormatic held by them, as previously
amended by any Supplements previously filed, remains in full force and effect.
<TABLE>
<CAPTION>
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Common Stock Depositary Shares
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Bene-
ficially
Owned Beneficially Beneficially
Beneficially After Owned Owned
Name of Selling Owned Prior to Offered This Prior to This Offered After This
Securityholder This Offering for Sale Offering Offering for Sale Sale
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No. of % of
No. of % of Depositary Depositary
Shares Shares Shares Shares
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<S> <C> <C> <C> <C> <C> <C> <C>
Argent Convertible
Arbitrage
Fund Ltd.(1)(2) 27,704 * 27,704 0 0 * 0 0
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Argent Classic
Convertible Arbitrage
Fund L.P. (1) (3) 373,474 * 373,474 0 265,000 3.8 265,000 0
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Argent Classic
Convertible Arbitrage
Fund (Bermuda)
L.P.(1)(2) 202,055 * 202,055 0 135,000 2 135,000 0
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Bear Stearns & Co. Inc. 2,882 * 2,882 0 0 * 0 0
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McMahan Securities Co.
L.P. (1) (3) 7,442 * 7,442 0 0 * 0 0
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Prudential Securities
Incorporated 21,235 * 21,235 0 16,580 * 16,580 0
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Total 634,792 * 634,792 0 416,580 6 416,580 0
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</TABLE>
<TABLE>
<CAPTION>
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6 1/2% Convertible Preferred Stock
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Beneficially
Owned
Beneficially Offered After
Name of Selling Owned Prior to for This
Securityholder This Offering Sale Offering
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No. of
Shares
of % of
Preferred Preferred
Stock Stock
---------------------------------------------------------------------
<S> <C> <C> <C> <C>
Argent Convertible
Arbitrage Fund Ltd.(1)
(2) 0 * 0 0
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Argent Classic
Convertible Arbitrage
Fund L.P. (1) (3) 26,500 3.8 26,500 0
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Argent Classic
Convertible Arbitrage
Fund (Bermuda)
L.P.(1)(2) 13,500 2 13,500 0
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Bear Stearns & Co. Inc. 0 * 0 0
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McMahan Securities Co.
L.P. (1) (3) 0 * 0 0
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Prudential Securities
Incorporated 1,658 * 1,658 0
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Total 41,658 6 41,658 0
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</TABLE>
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(1) The information in this Supplement reflects the current beneficial
ownership information for this Selling Securityholder as of the date of
this filing and accordingly amends and supersedes the information
concerning this Selling Securityholder in the Prospectus or any Supplement
thereto filed prior to the date of this Supplement.
(2) Lehman Brothers International (Europe) acts as investment advisor with
respect to the Selling Securityholder and as such has shared voting and
investment power with respect to the Securities owned by the Selling
Securityholder.
(3) Bear Stearns Securities Corporation acts as investment advisor with respect
to the Selling Securityholder and as such has shared voting and investment
power with respect to the Securities owned by the Selling Securityholder.
THE DATE OF THIS SUPPLEMENT IS MAY 30, 2000
