SC 13D 1 0001.txt SCHEDULE 13D SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ---------------- SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 2 )(1) American Medical Security Group, Inc. -------------------------------------------------------------------------------- (Name of Issuer) Common Stock No Par Value -------------------------------------------------------------------------------- (Title of Class of Securities) 02744P101 -------------------------------------------------------------------------------- (CUSIP Number) Scott B. Bernstein, Esq., Caxton Corporation, 315 Enterprise Drive Plainsboro New Jersey 08536 (609) 936-2580 -------------------------------------------------------------------------------- (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) December 28, 2000 -------------------------------------------------------------------------------- (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 that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box |_|. Note. Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7(b) for other parties to whom copies are to be sent. (Continued on following pages) ----------------- (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 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). (Page 1 of 8 Pages) CUSIP No. 02744P101 SCHEDULE 13D Page 2 of 8 Pages -------------------------------------------------------------------------------- 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Caxton International Limited -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |_| -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS* WC -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION British Virgin Islands -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 1,092,400 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 WITH -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 1,092,400 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,092,400 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 7.6% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* CO -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 02744P101 SCHEDULE 13D Page 3 of 8 Pages -------------------------------------------------------------------------------- 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Bruce S. Kovner -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |_| -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS* Not Applicable -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 0 -------------------------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY 1,092,400 OWNED BY -------------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON 0 WITH -------------------------------------------------------- 10 SHARED DISPOSITIVE POWER 1,092,400 -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,092,400 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 7.6% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON* IN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! This Amendment 2 to Schedule 13D relates to the Common Stock, no par value (the "Common Stock"), of American Medical Security Group, Inc., a Wisconsin corporation (the "Company"), 3100 AMS Blvd., Green Bay, WI 54313. Item 3: Source and Amount of Funds or Other Consideration. Item 3 of the Schedule 13D is hereby amended by replacing the paragraph therein with the following paragraph: "A net aggregate of $365,999.93 (excluding commissions, if any) was paid in a series of transactions pursuant to which Caxton International acquired and sold the shares of Common Stock since March 15, 2000. The purchase price for such acquired shares was paid out of Caxton International's working capital." Item 5: Interest in Securities of the Issuer. The first paragraph of subparagraph (a) of Item 5 of the Schedule 13D is hereby amended by replacing said paragraph with the following paragraph: "(a) Caxton International beneficially owns 1,092,400 shares of Common Stock, representing approximately 7.6% of the total shares of Common Stock issued and outstanding. The increase in beneficial ownership from the date of Amendment No. 1 to Schedule 13D filed March 15, 2000 is a result of Caxton International's net acquisition of additional Common Stock as set forth in Schedule A. Subparagraph (c) of Item 5 of the Schedule 13D is hereby amended by adding the following sentence: (c) Caxton International Limited acquired additional shares and/or sold shares of Common Stock in a series of open market transactions effected primarily with independent brokers and, to a lesser extent, directly with market makers utilizing the NASDAQ System, between March 15, 2000 and December 28, 2000. See Schedule A for disclosure of (1) the date, (2) the price and (3) the amount of shares purchased and/or sold by Caxton International Limited during the past 60 days. After reasonable inquiry and to the best of the undersigneds' knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct. January 3, 2001 CAXTON INTERNATIONAL LIMITED By: /s/ Joseph Kelly -------------------------------------------- Name: Joseph Kelly Title: Vice President & Treasurer By: /s/ Maxwell Quin ---------------------------------------------- Name: Maxwell Quin Title: Vice President & Secretary /s/ Bruce S. Kovner ------------------------------------------------- Bruce S. Kovner, by Scott B. Bernstein as Attorney-in-Fact Schedule A Caxton International Limited No of Shares Price Per Share Trade Date Purchased (Sold) (Excluding Commission) 2-Nov 5,000 $4.47500 3-Nov 5,000 4.61250 6-Nov 6,000 3.99480 20-Nov 500 5.00000 22-Nov 1,000 4.62500 24-Nov 1,000 4.56240 29-Nov 100 5.37500 30-Nov 1,500 5.43750 5-Dec 600 5.02080 6-Dec 2,000 4.88750 14-Dec 1,000 4.25000 15-Dec 2,100 4.10710 20-Dec 2,200 4.35800 21-Dec 400 5.06250 21-Dec 2,000 5.32150 22-Dec 1,300 5.50000 22-Dec (5,000) 5.43750 27-Dec 5,000 5.33750 28-Dec 2,000 5.56250 Exhibit Index Exhibit 1 - Joint Acquisition Statement Pursuant To Rule 13d-1(k)(1).