SC 13G/A 1 a2037681zsc13ga.txt SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13D-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b) (AMENDMENT NO. 13 )(1) ADVANCED MAGNETICS, INC. ------------------------------------------------------------------------------- (Name of Issuer) COMMON STOCK ------------------------------------------------------------------------------- (Title of Class of Securities) 00753P 10 3 ------------------------------------------------------------------------------- (CUSIP Number) ------------------------------------------------------------------------------- (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: / / Rule 13d - 1(b) / / Rule 13d - 1(c) /X/ Rule 13d - 1(d) --------------------- (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 the disclosures provided in a prior cover page. The information required in 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). ---------------------------------- ---------------------------- CUSIP NO. 00753P 10 3 13G Page 2 of 6 Pages ---------------------- --- --- ---------------------------------- ---------------------------- ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Marlene Kaplan Goldstein ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) / / (b) / / ------------------------------------------------------------------------------- 3 SEC USE ONLY ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 607,687 NUMBER OF ----------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY 49,900 OWNED BY ----------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING 607,687 PERSON ----------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 49,900 ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 657,587 ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN /X/ SHARES* See Item 4(a) ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 9.7% ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! ITEM 1 (a). NAME OF ISSUER: Advanced Magnetics, Inc. ITEM 1 (b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 61 Mooney Street Cambridge, MA 02138 ITEM 2 (a). NAME OF PERSON FILING: Marlene Kaplan Goldstein ITEM 2 (b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE: c/o Advanced Magnetics, Inc. 61 Mooney Street Cambridge, MA 02138 ITEM 2 (c). CITIZENSHIP: United States ITEM 2 (d). TITLE OF CLASS OF SECURITIES: Common Stock, $.01 Par Value Per Share ITEM 2 (e). CUSIP NUMBER 00753P 10 3 ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b), OR 13d-2(b) OR (c), CHECK WHETHER THE FILING PERSON IS A: (a) / / Broker or dealer registered under Section 15 of the Exchange Act. (b) / / Bank as defined in Section 3(a)(6) of the Exchange Act. (c) / / Insurance company as defined in Section 3(a)(19) of the Exchange Act. (d) / / Investment company registered under Section 8 of the Investment Company Act. (e) / / An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); (f) / / An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) / / A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); (h) / / A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act; Page 3 of 6 pages (i) / / A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act; (j) / / Group, in accordance with Rule 13d-1(b)(1)(ii)(J). If this statement is filed pursuant to Rule 13d-1(c), check this box. / / ITEM 4. OWNERSHIP: (a) Amount Beneficially Owned: 657,587. This amount does not include 636,834 shares owned by spouse, as to which shares beneficial ownership is disclaimed. This amount includes 750 shares issuable to Ms. Goldstein pursuant to options exercisable or exercisable within 60 days of December 31, 2000. (b) Percent of Class: 9.7 % (based on 6,746,982 shares of Common Stock reported by the Company's transfer agent as outstanding at the close of business on December 31, 2000, excluding 27,700 shares held by the Company and as adjusted pursuant to Rule 13d-3). (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote 607,687 (ii) Shared power to vote or to direct the vote 49,900. (iii) Sole power to dispose or to direct the disposition of 607,687. (iv) Shared power to dispose or to direct the disposition of 49,900. ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS: Inapplicable. ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON: Inapplicable. ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY: Inapplicable. Page 4 of 6 pages ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP: Inapplicable. ITEM 9. NOTICE OF DISSOLUTION OF GROUP: Inapplicable. ITEM 10. CERTIFICATION: Inapplicable. Page 5 of 6 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. FEBRUARY 8, 2001 --------------------------------- Date /s/ MARLENE KAPLAN GOLDSTEIN --------------------------------- Signature Page 6 of 6 pages