<PAGE>
Page 1 of 13 Pages
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
(Rule 13d-102)
INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 11)(1)
Tekelec
- --------------------------------------------------------------------------------
(Name of Issuer)
Common Stock
- --------------------------------------------------------------------------------
(Title of Class of Securities)
879101103
- --------------------------------------------------------------------------------
(CUSIP Number)
-------------
- ---------------
(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 disclosures provided in a prior cover page.
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 and 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).
Exhibit Index is Page 10 of 13 Pages
<PAGE>
Page 2 of 13 Pages
CUSIP No. 879101103 SCHEDULE 13G
================================================================================
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Tekelec-Airtronic, S.A. ("T-A")
- --------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [X]
- --------------------------------------------------------------------------------
3 SEC USE ONLY
- --------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
France
- --------------------------------------------------------------------------------
5 SOLE VOTING POWER
NUMBER OF 0 shares
--------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 188,296 shares, the voting power of which is shared with
Jean-Claude Asscher who is the president and majority
OWNED BY shareholder of T-A.
--------------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING 0 shares
--------------------------------------------------------------
PERSON 8 SHARED DISPOSITIVE POWER
WITH 188,296 shares, the dispositive power of which is shared
with Jean-Claude Asscher who is the president and
majority shareholder of T-A.
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
188,296 shares
- --------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
1.6%
- --------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
CO
================================================================================
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
Page 3 of 13 Pages
CUSIP No. 879101103 SCHEDULE 13G
================================================================================
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Jean-Claude Asscher
- --------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [X]
- --------------------------------------------------------------------------------
3 SEC USE ONLY
- --------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
France
- --------------------------------------------------------------------------------
5 SOLE VOTING POWER
NUMBER OF 628,060 shares
--------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 188,296 shares, the voting power with respect to
which is shared with Tekelec-Airtronic, S.A., except
OWNED BY that Mr. Asscher may be deemed to share voting power
with Natinco, S.A. and Edouard Givel of an additional
EACH 2,767,064 shares owned of record by Natinco, S.A.
--------------------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON 628,060 shares
--------------------------------------------------------------
WITH 8 SHARED DISPOSITIVE POWER
188,296 shares, the dispositive power with respect to
which is shared with Tekelec-Airtronic, S.A., except
that Mr. Asscher may be deemed to share dispositive
power with Natinco, S.A. and Edouard Givel of an
additional 2,767,064 shares owned of record by
Natinco, S.A.
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
816,356 shares
- --------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [X]
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
6.7%
- --------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
================================================================================
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
Page 4 of 13 Pages
CUSIP No. 879101103 SCHEDULE 13G
================================================================================
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Natinco, S.A.
- --------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [X]
- --------------------------------------------------------------------------------
3 SEC USE ONLY
- --------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Luxembourg
- --------------------------------------------------------------------------------
5 SOLE VOTING POWER
NUMBER OF 0 shares
--------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 2,767,064 shares, the voting power of which is shared
with Edouard Givel, who owns substantially all of the
OWNED BY equity interest in Natinco, S.A., except that
Jean-Claude Asscher may be deemed to share the voting
EACH power of these shares due to the fact that he has from
time to time acted for, and is an advisor to, Mr. Givel.
REPORTING --------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
PERSON
0 shares
WITH --------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,767,064 shares, the dispositive power of which is
shared with Edouard Givel, who owns substantially all
of the equity interest in Natinco, S.A., except that
Jean-Claude Asscher may be deemed to share the
dispositive power of these shares due to the fact
that he has from time to time acted for, and is an
advisor to, Mr. Givel.
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,767,064 shares
- --------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
23.0%
- --------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
CO
================================================================================
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
Page 5 of 13 Pages
CUSIP No. 879101103 SCHEDULE 13G
================================================================================
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Edouard Givel
- --------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [X]
- --------------------------------------------------------------------------------
3 SEC USE ONLY
- --------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Switzerland
- --------------------------------------------------------------------------------
5 SOLE VOTING POWER
NUMBER OF 0 shares
--------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 2,767,064 shares, the voting power of which is shared
with Natinco, S.A., the record holder of these
OWNED BY shares, except that Jean-Claude Asscher may be deemed
to share the voting power of these shares due to the
EACH fact that he has from time to time acted for, and is
an advisor to, Mr. Givel.
REPORTING --------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
PERSON
0 shares
WITH --------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,767,064 shares, the dispositive power of which is
shared with Natinco, S.A., the record holder of these
shares, except that Jean-Claude Asscher may be deemed
to share the dispositive power of these shares due to
the fact that he has from time to time acted for, and
is an advisor to, Mr. Givel.
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,767,064 shares
- --------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
23.0%
- --------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
================================================================================
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
Page 6 of 13 pages
Item 1(a) Name of Issuer:
Tekelec
Item 1(b) Address of Issuer's Principal Executive Offices:
26580 West Agoura Road
Calabasas, CA 91302
Item 2(a) Name of Person Filing:
This Statement is being filed by Tekelec-Airtronic, S.A.; Jean-Claude
Asscher; Natinco, S.A.; and Edouard Givel, who are sometimes
collectively referred to as the "Reporting Persons." The Reporting
Persons may be deemed to be a "group" for purposes of Sections 13(d)
and 13(g) of the Securities Exchange Act of 1934 and the rules
thereunder (the "Act"), although each expressly disclaims any
assertion or presumption that it or any of the other persons on whose
behalf this Statement is filed constitutes a "group." Neither the
filing of this Statement nor the Agreement [see Exhibit 1(1)] should
be construed individually or collectively to be an admission that any
of the Reporting Persons is a member of a "group" consisting of one or
more of the Reporting Persons or any one or more other persons.
Item 2(b) Address of Principal Business Office or, if none, Residence:
The address of the principal business office of Tekelec-Airtronic is
5, rue Carle Vernet, 92315 Sevres Cedex, France; and of Natinco, S.A.
is 15, rue de la Chapelle, L-1325 Luxembourg. The residence address of
Mr. Asscher is 34 Avenue Raphael, 75016 Paris, France; and of Mr.
Givel is 31, Chemin des Courbes, 1247 Anieres, Switzerland.
Item 2(c) Citizenship:
Tekelec-Airtronic, S.A. and Natinco, S.A. are French and Luxembourg
corporations, respectively. Mr. Asscher and Mr. Givel are French and
Swiss citizens, respectively.
Item 2(d) Title of Class of Securities:
Common Stock
Item 2(e) CUSIP Number:
879101103
Item 3 If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b),
check whether the person filing is a:
Not applicable
<PAGE>
Page 7 of 13 pages
Item 4 Ownership:
The following information with respect to the ownership of Tekelec's
Common Stock by the Reporting Persons is provided as of December 31,
1996, the last day of the year covered by this Statement.
(a) Amount Beneficially Owned:
See Row 9 of cover page for each Reporting Person.
With respect to the aggregate amount of shares beneficially owned
by Mr. Asscher, such amount does not include 2,767,064 shares
owned by Natinco, S.A. as to which Mr. Asscher disclaims
beneficial ownership. This report shall not be deemed an admission
that Mr. Asscher is the beneficial owner of such 2,767,064 shares
for purposes of Section 13(d) or 13(g) of the Act or for any other
purpose.
(b) Percent of Class:
See Row 11 of cover page for each Reporting Person.
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote
See Row 5 of cover page for each Reporting Person.
(ii) shared power to vote or to direct the vote
See Row 6 of cover page for each Reporting Person.
(iii) sole power to dispose or to direct the disposition of
See Row 7 of cover page for each Reporting Person.
(iv) shared power to dispose or to direct the disposition of
See Row 8 of cover page for each Reporting Person.
Item 5 Ownership of Five Percent or Less of a Class:
Not applicable
<PAGE>
Page 8 of 13 pages
Item 6 Ownership of More than Five Percent on Behalf of Another Person:
To the best knowledge of each of the Reporting Persons, no person other
than each of the Reporting Persons has the right to receive or the
power to direct the receipt of dividends from, or the proceeds from the
sale of, the Tekelec Common Stock owned by each of the Reporting
Persons, respectively, except that: (a) Mr. Givel may be deemed to have
such rights with respect to Natinco, S.A., due to the fact that he owns
substantially all of the equity interest therein; and (b) Mr. Asscher
may be deemed to have such rights with respect to the shares
beneficially owned by Tekelec-Airtronic, S.A., due to the fact that he
is the president and majority shareholder thereof, and with respect to
the shares beneficially owned by Natinco, S.A., due to the fact that he
has from time to time acted for, and is an advisor to, Mr. Givel.
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:
See Exhibit 2.
The Reporting Persons may be deemed to be a "group" for the purposes of
Section 13(d) and 13(g) of the Act, although each expressly disclaims
any assertion or presumption that it or the other persons on whose
behalf this Statement is filed constitute a "group." The filing of this
Statement should not be construed to be an admission that any of the
Reporting Persons is a member of a "group" consisting of one or more
such persons.
Item 9 Notice of Dissolution of Group:
Not applicable
Item 10 Certification:
Not applicable
<PAGE>
Page 9 of 13 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.
Date: February 6, 1997
Jean-Claude Asscher
- -----------------------------------------
Jean-Claude Asscher, on behalf of himself
and on behalf of Tekelec-Airtronic, S.A.,
as the President thereof.
Edouard Givel
- -----------------------------------------
Edouard Givel, on behalf of himself and
on behalf of Natinco, S.A., pursuant to
a Power of Attorney [see Exhibit 3].
- ---------------
(1) Incorporated by reference to Amendment No. 2 to the Reporting Persons'
Schedule 13G filed with the Commission on February 16, 1988.
<PAGE>
Page 10 of 13 pages
EXHIBIT INDEX
Exhibit Number Exhibit Page
- -------------- ------------------------------------------- -------------------
1 Agreement to File Joint Statement Page 9 of 13 pages
on Schedule 13G*
2 Identification of the Reporting Page 11 of 13 pages
Persons
3 Procuration [Power of Attorney] Page 12 of 13 pages
- ---------------
* Incorporated by reference to Amendment No. 2 to the Reporting Persons'
Schedule 13G filed with the Commission on February 16, 1988.
<PAGE>
Page 11 of 13 pages
Exhibit 2
The Reporting Persons are identified below:
Tekelec-Airtronic, S.A. is a French corporation.
Natinco, S.A. is a Luxembourg corporation.
Jean-Claude Asscher is a French citizen and the president and majority
shareholder of Tekelec-Airtronic, S.A.
Edouard Givel is a Swiss citizen and the owner of substantially all the equity
interest of Natinco, S.A.
<PAGE>
Page 12 of 13 pages
Exhibit 3
NATINCO S.A.
Societe Anonyme
15, rue de la Chapelle L-1325 Luxembourg
Votre reference Du Notre reference Luxembourg, le
P R O C U R A T I O N
Nous soussignes Henri GRISIUS et John SEIL, agissant en notre qualite
d'administrateurs de NATINCO S.A., 15, rue de la Chapelle, Luxembourg, deleguons
irrevocablement a:
Monsieur Edouard GIVEL, demeurant a CH-1247 Anieres, 31, Chemin des Courbes,
dans la limite de l'objet social et des actes permis par la loi et des statuts
sociaux, les pouvoirs suivants jusqu'au 30 juin 1999 en ce qui concerne la
participation detenue dans TEKELEC, INC., avec siege social a 26580 West Agoura
Road, Calabasas, Californie 91302:
- - representer la societe en ce qui concerne l'offre au public aux Etats-Unis
des actions ordinaires de la societe TEKELEC,
- - representer la societe dans toutes assemblees generales, conseil
d'administration ou reunions de quelque nature qu'elles soient,
- - prendre connaissance de tous documents et renseignements,
- - souscrire a toute augmentation de capital,
- - formuler toutes demandes ou reclamations, prendre part a toutes discussions,
- - faire toutes declarations ou confirmations, emettre tous avis,
- - signer toutes feuilles de presence, pieces ou formulaires quelconques,
- - emettre tous voites, proceder a toutes reponses, preter son concours, prendre
toutes mesures pour sauvegarder les droits de la societe ou les mettre en
valeur,
- - et plus generalement faire tout le necessaire.
Fait a Luxembourg,
le 6 fevrier 1997
NATINCO S.A.
Societe Anonyme
Henri Grisius John Seil
------------------- -------------------
Henri GRISIUS John SEIL
administrateur administrateur
RC Luxembourg B 9018
<PAGE>
Page 13 of 13 pages
Exhibit 3
[TRANSLATION]
NATINCO S.A.
Societe Anonyme
15, rue de la Chapelle L-1325 Luxembourg
Your reference From Our reference Luxembourg, le
POWER OF ATTORNEY
The undersigned Henri GRISIUS and John SEIL, acting in our capacity as managers
of NATINCO S.A., 15, rue de la Chapelle, Luxembourg, irrevocably grant to:
Mr. Edouard GIVEL, residing at CH-1247 Anieres, 31, Chemin des Courbes,
in accordance with the law, the following powers valid until June 30, 1999 with
respect to the interest held in TEKELEC, INC., with its headquarters located at
26580 West Agoura Road, Calabasas, California 91302:
- - to represent the corporation in connection with the public offering in the
United States of common stock of TEKELEC corporation,
- - to represent the corporation in all annual meetings, board meetings or
meetings of any nature whatsoever,
- - to keep apprised of all documents and information,
- - to subscribe to any capital increase,
- - to draw up all requests or complaints, to participate in all discussions,
- - to prepare all reports or confirmations, to render all advice,
- - to sign all timesheets, documents or forms whatsoever,
- - to issue all votes, to respond, to participate, to take all measures to
safeguard the rights of the corporation or enhance them, - more generally, to
perform all acts which are necessary.
Executed at Luxembourg
February 6, 1997
NATINCO S.A.
Societe Anonyme
Henri Grisius John Seil
------------------- -------------------
Henri GRISIUS John SEIL
Manager Manager
RC Luxembourg B 9018
