UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940 1. Name and Address of Reporting Person * Gabelli, Mario J. 2. Issuer Name and Ticker or Trading Symbol Gabelli Convertible & Income Sec. Fund/GCV 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X___ Director ___X__ 10% owner __X___ Officer (give _____ Other (specify title below) below) President & Chief Investment Officer (Last) (First) (Middle) ONE CORPORATE CENTER 3. I.R.S Identification Number of Reporting Person, if an entity (Voluntary) 4. Statement for Month/Day/Year Mar. 6-7,2003 Mar.10-12,2003 (Street) RYE NY 10580-1422 5. If Amendment, Date of Original Month/Day/Year 7. Individual or Joint/Group Filing (Check Applicable Line) __X__ Form filed by One Reporting Person ____ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1. Title of Security (Instr. 3) 2. Trans- action Date 2A. Deemed Execu- Tion Date, if any 3. Trans- action Code (Instr .. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Follow- ing Reported Transaction (s) (Instr. 3 and 4) 6. Owner- ship Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of In- direct Bene- Ficial Owner- Ship (Instr. 4) (Month/ Day/ Year) Code V Amount (A) or (D) Price Common Stock, Par Value $0.001 3/06/03 S 1,000 D $9.75 25,645 I Nephew(1) 3/07/03 S 1,000 D $9.76 24,645 I Nephew(1) 3/10/03 S 2,000 D $9.80 22,645 I Nephew(1) 3/11/03 S 1,000 D $9.80 21,646 I Nephew(1) 3/12/03 S 1,000 D $9.80 20,645 I Nephew(1) 209,110 D 19,371 I Niece(1) 13,334 I Family Part'shp(2) 206,801 I Gabelli Sec.(2) 882,614 I Gabelli Group CP(2) 78,248 I Gabelli PSP(2) Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, See Instruction 4(b)(v). FORM 4 (continued) Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conve r- sion or Exerc ise Price of Deriv - ative Secur ity 3. Trans- Action Date (Month/D ay/ Year) 3A. Deemed Execu- Tion Date, if any (Month/D ay/ Year) 4. Trans- action Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) Or Disposed Of (D) (Instr. 3, 4 and 5) 6. Date Exer- cisable and Expiration Date (Month/Day/ Year) 7. Title and Amount of Underlying Securities 8. Price of Deriv- ative Security (Instr. 5) 9. Number of Deriv- ative Secur- ities Bene- ficially Owned Following Reported Transaction (s) (Instr. 4) 10. Owner- ship Form Of De- Rivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of In- direct Bene- ficial Owner- Ship (Instr. 4) Code V (A ) (D) Date Exer- cisabl e Expira- tion Date Title Amount or Number of Shares Explanation of Responses: (1) Owned by custodial accounts, the custodian of which is the reporting person and the beneficiaries of which are the niece and nephew of the reporting person. Mr. Gabelli hereby disclaims beneficial ownership of these shares. (2) Mr. Gabelli has less than a 100% interest in this entity. The securities reported reflect the total amount of securities beneficially owned by this entity, which is greater than Mr. Gabelli's indirect pecuniary interest. Mr. Gabelli hereby disclaims beneficial ownership of the shares held by this entity which are in excess of his indirect pecuniary interest. /s/ James E. McKee 3/14/03 ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure. ** Signature of Reporting Person Mario J. Gabelli By: James E. McKee Attorney-in-Fact Date Page 2