-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, Ou2KMSeEY7+MJKGkRlLD3B3ZuH2v02NFs6n3Vtk3lkU0G9LmNwfMpoxMM39L/lm8 vZW8dYIwHbgxY22MOhZZcQ== 0000912057-99-005886.txt : 19991117 0000912057-99-005886.hdr.sgml : 19991117 ACCESSION NUMBER: 0000912057-99-005886 CONFORMED SUBMISSION TYPE: SC 13D PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19991115 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: NATURAL MICROSYSTEMS CORP CENTRAL INDEX KEY: 0000915866 STANDARD INDUSTRIAL CLASSIFICATION: TELEPHONE & TELEGRAPH APPARATUS [3661] IRS NUMBER: 042814586 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13D SEC ACT: SEC FILE NUMBER: 005-43813 FILM NUMBER: 99753495 BUSINESS ADDRESS: STREET 1: 100 CROSSING BLVD CITY: FRAMINGHAM STATE: MA ZIP: 01702 BUSINESS PHONE: 5086501300 MAIL ADDRESS: STREET 1: 100 CROSSING BLVD. CITY: FRAMINGHAM STATE: MA ZIP: 01702 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: SHEPHERD STEVE W CENTRAL INDEX KEY: 0001039923 STANDARD INDUSTRIAL CLASSIFICATION: [] FILING VALUES: FORM TYPE: SC 13D BUSINESS ADDRESS: STREET 1: 15820 ADDISON ROAD CITY: DALLAS STATE: TX ZIP: 75248 BUSINESS PHONE: 9729343066 MAIL ADDRESS: STREET 1: 15820 ADDISON ROAD CITY: DALLAS STATE: TX ZIP: 75248 SC 13D 1 SC 13D Securities and Exchange Commission Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2) Natural Microsystems Corporation -------------------------------------------------------- (Name of Issuer) Common Stock -------------------------------------------------------- (Title of Class of Securities) 638882100 -------------------------------------------------------- (CUSIP Number) Kent Jamison, Esq. Locke Liddell & Sapp LLP 2200 Ross Avenue, Suite 2200 Dallas, Texas 75201 (214) 740-8416 -------------------------------------------------------- (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) November 2, 1999 -------------------------------------------------------- (Date of Event which Requires Filing of this Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(b)(3) or (4), check the following box / /. NOTE: Six copies of this statement, including all exhibits, should be filed with the Commission. See Rule 13d-1(a) for other parties to whom copies are to be sent. *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 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 located at page 4 herein. (Continued on following page(s)) Page 1 of 5 Pages Cusip No. 638882100 --------- - ------------------------------------------------------------------------------- (1) Names of Reporting Persons. S.S. or I.R.S. Identification Nos. of Above Persons Steve W. Shepherd - ------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member (a) / / of a Group* (b) / / - ------------------------------------------------------------------------------- (3) SEC Use Only - ------------------------------------------------------------------------------- (4) Source of Funds* PF - ------------------------------------------------------------------------------- (5) Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e) - ------------------------------------------------------------------------------- (6) Citizenship or Place of Organization United States of America - ------------------------------------------------------------------------------- Number of Shares (7) Sole Voting Beneficially Owned Power 245,000 (See Item 5) by Each Reporting -------------------------------------------------- Person With (8) Shared Voting Power 0 -------------------------------------------------- (9) Sole Dispositive Power 245,000 (See Item 5) -------------------------------------------------- (10) Shared Dispositive Power 0 - ------------------------------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 245,000 (See Item 5) - ------------------------------------------------------------------------------- (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares* - ------------------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 2.2% - ------------------------------------------------------------------------------- (14) Type of Reporting Person* IN - ------------------------------------------------------------------------------- Page 2 of 5 Pages Cusip No. 638882100 --------- Item 1. SECURITY AND ISSUER. Not amended. Item 2. IDENTITY AND BACKGROUND. Not amended. Item 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION. Not amended. Item 4. PURPOSE OF TRANSACTION. Not amended. Item 5. INTEREST IN SECURITIES OF THE ISSUER. Item 5 is amended as follows: (a)-(b) The Reporting Person has (i) sole voting power with respect to 245,000 shares of Common Stock of Natural Microsystems Corporation (the "Common Stock"), constituting 2.2% of the 11,110,000 outstanding shares of Common Stock and (ii) sole dispositive power with respect to 245,000 shares of Common Stock, constituting 2.2% of the 11,110,000 outstanding shares of Common Stock. Pursuant to Rule 13d-2(b), the Reporting Person will not make an additional Schedule 13D filing unless the Reporting Person hereafter becomes the beneficial owner of more than 5% of the Common Stock and is required to file pursuant to Rule 13d-1. (c) On October 19, 1999, the Reporting Person sold 20,000 shares of Common Stock through the brokerage firm, Salomon Smith Barney, for the sum of $397,800. On October 20, 1999, the Reporting Person sold 40,000 shares of Common Stock through Salomon Smith Barney for the sum of about $860,000. On November 1, 1999, the Reporting Person sold (i) 30,000 shares of Common Stock through Salomon Smith Barney for the sum of about $825,000 and (ii) 20,000 shares of Common Stock through Salomon Smith Barney for the sum of about $550,000. On November 2, 1999, the Reporting Person sold (i) 50,000 shares of Common Stock through Salomon Smith Barney for the sum of about $1,368,750 and (ii) 52,000 shares of Common Stock through Salomon Smith Barney for the sum of about $1,417,000. On November 3, 1999, the Reporting Person sold (i) 64,500 shares of Common Stock through Salomon Smith Barney for the sum of about $1,918,875 and (ii) 58,000 shares of Common Stock through Salomon Smith Barney for the sum of about $1,725,500. On November 4, 1999, the Reporting Person sold 5,000 shares of Common Stock through Salomon Smith Barney for the sum of $140,935. On November 5, 1999, the Reporting Person sold 51,000 shares of Common Stock through Salomon Smith Barney for the sum of about $1,555,500. On November 8, 1999, the Reporting Person sold 159,500 shares of Common Stock through Salomon Smith Barney for the sum of about $5,323,313. On November 9, 1999, the Reporting Person sold 30,000 shares of Common Stock through Salomon Smith Barney for the sum of $1,059,375. On November 10, 1999, the Reporting Person sold 25,000 shares of Common Stock through Salomon Smith Barney for the sum of $890,625. (d) Not applicable. Page 3 of 5 Pages Cusip No. 638882100 --------- (e) Not applicable. Item 6. CONTRACT, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONS WITH RESPECT TO SECURITIES OF THE ISSUER. Not amended. Item 7. MATERIAL TO BE FILED AS EXHIBITS. Not applicable. Page 4 of 5 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: November 12, 1999 /s/ Steve W. Shepherd ---------------------------------------- Steve W. Shepherd Page 5 of 5 Pages -----END PRIVACY-ENHANCED MESSAGE-----