144 1 form144ressner52909.txt FORM 144 - RESSNER - 05-29-09 OMB APPROVAL UNITED STATES OMB Number: 3235-0101 SECURITIES AND EXCHANGE COMMISSION Expires: December 31, 2009 Washington, D.C. 20549 Estimated average burden hours per response 2.0 FORM 144 SEC USE ONLY DOCUMENT SEQUENCE NO. CUSIP NUMBER WORK LOCATION NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933 ATTENTION: Transmit for filing 3 copies of this form concurrently with either placing an order with a broker to execute sale or executing a sale directly with a market maker. 1(a) NAME OF ISSUER (Please type or print) Tekelec (b) IRS IDENT. NO. 95-2746131 (c) S.E.C. FILE NO. 000-15135 1(d) ADDRESS OF ISSUER: 5200 Paramount Parkway Morrisville NC 27560 (e) TELEPHONE NUMBER: 919-460-5500 2(a) NAME OF PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD Michael P. Ressner (b) RELATIONSHIP TO ISSUER: Director (c) ADDRESS: c/o Tekelec, 5200 Paramount Parkway, Morrisville, NC 27560 INSTRUCTION: The person filing this notice should contact the issuer to obtain the I.R.S. Identification Number and the S.E.C. File Number. 3(a) Title of the Class of Securities To Be Sold Common Stock (b) Name and Address of Each Broker Through Whom the Securities are to be Offered or Each Market Maker who is Acquiring the Securities Wells Fargo Advisors Preferred Client Services 100 North Main Street NC6012 Winston Salem, NC 27150 SEC USE ONLY Broker-Dealer File Number: (c) Number of Shares or Other Units To Be Sold: 8,000 (d) Aggregate Market Value: $128,480.00 (May 28, 2009) (e) Number of Shares or Other Units Outstanding: 66,563,770 (f) Approximate Date of Sale: May 29, 2009 (g) Name of Each Securities Exchange: NASDAQ INSTRUCTIONS: 1. (a) Name of issuer (b) Issuer's I.R.S. Identification Number (c) Issuer's S.E.C. file number, if any (d) Issuer's address, including zip code (e) Issuer's telephone number, including area code 2. (a) Name of person for whose account the securities are to be sold (b) Such person's relationship to the issuer (e.g., officer, director, 10% stockholder, or member of immediate family of any of the foregoing) (c) Such person's address, including zip code 3. (a) Title of the class of securities to be sold (b) Name and address of each broker through whom the securities are intended to be sold (c) Number of shares or other units to be sold (if debt securities, give the aggregate face amount) (d) Aggregate market value of the securities to be sold as of a specified date within 10 days prior to the filing of this notice (e) Number of shares or other units of the class outstanding, or if debt securities the face amount thereof outstanding, as shown by the most recent report or statement published by the issuer (f) Approximate date on which the securities are to be sold (g) Name of each securities exchange, if any, on which the securities are intended to be sold TABLE I - SECURITIES TO BE SOLD Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor: Title of the Class: Common Stock Date you Acquired: May 16, 2009 Nature of Acquisition Transaction: Acquired upon vesting of Restricted Stock Units (Remark #1) Name of Person from Whom Acquired (if gift, also give date donor acquired): Issuer Amount of Securities Acquired: 8,000 Date of Payment: (Remark #2) Nature of Payment: (Remark #2) INSTRUCTIONS: If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid. TABLE II - SECURITIES SOLD DURING THE PAST 3 MONTHS Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold. Name and Address of Seller: None Title of Securities Sold: Date of Sale: Amount of Securities Sold: Gross Proceeds: REMARKS: (1)Shares acquired are registered under a Registration Statement on Form S-8. (2)Shares acquired upon vesting of Restricted Stock Units awarded to reporting person as an employee of the issuer. INSTRUCTIONS: See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice. ATTENTION: The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If each person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by singing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date. DATE OF NOTICE: May 29, 2009 /s/ Michael P. Ressner ____________________ Michael P. Ressner (SIGNATURE) DATE OF PLAN ADOPTION OR GIVING OF INSTRUCTION, IF RELYING ON RULE 10B5-1: The notice shall be signed by the person for whose account the securities are to be sold. At least one copy of the notice shall be manually signed. Any copies not manually signed shall bear typed or printed signatures. ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001) SM01DOCS\667695.1 SEC 1147 (08-07) Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SM01DOCS667695.1 SEC 1147 (04-07)