-----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, Uj9bCWWIgfMGJDwzWMEqoJrw8wtmCPIYcgLmJ/jultciV2lcwd9CWbMB+j0MefLv HoDJrXP45RJlYspKR6qfFw== 0001010521-97-000051.txt : 19970122 0001010521-97-000051.hdr.sgml : 19970122 ACCESSION NUMBER: 0001010521-97-000051 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19970121 SROS: NASD GROUP MEMBERS: HANCOCK JOHN MUTUAL LIFE INSURANCE CO / MA GROUP MEMBERS: JOHN HANCOCK ADVISERS, INC. GROUP MEMBERS: JOHN HANCOCK ASSET MANAGEMENT GROUP MEMBERS: JOHN HANCOCK MUTUAL LIFE INSURANCE COMPANY GROUP MEMBERS: JOHN HANCOCK SUBSIDIARIES, INC. GROUP MEMBERS: THE BERKELEY FINANCIAL GROUP SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: I STAT CORPORATION /DE/ CENTRAL INDEX KEY: 0000882365 STANDARD INDUSTRIAL CLASSIFICATION: ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845] IRS NUMBER: 222542664 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-42273 FILM NUMBER: 97508442 BUSINESS ADDRESS: STREET 1: 303A COLLEGE RD EAST CITY: PRINCETON STATE: NJ ZIP: 08540 BUSINESS PHONE: 6092439300 MAIL ADDRESS: STREET 1: 303 COLLEGE ROAD EAST CITY: PRINCETON STATE: NJ ZIP: 08540 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: HANCOCK JOHN MUTUAL LIFE INSURANCE CO / MA CENTRAL INDEX KEY: 0000917406 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 041414660 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: CORPORATE LAW DIVISION T-55 STREET 2: P O BOX 111 CITY: BOSTON STATE: MA ZIP: 02117 BUSINESS PHONE: 6175726000 MAIL ADDRESS: STREET 1: CORPORATE LAW DIVISION T-55 STREET 2: P O BOX 111 CITY: BOSTON STATE: MA ZIP: 02117 SC 13G/A 1 I-STAT CORPORATION COMMON STOCK ------------------------------ OMB APPROVAL OMB Number 3235-0145 Expires: December 31, 1997 Estimated average burden hours per response . . . 14.90 ------------------------------ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* i-STAT Corporation - -------------------------------------------------------------------------------- (Name of Issuer) Common Stock - -------------------------------------------------------------------------------- (Title of Class of Securities) 450312103 - -------------------------------------------------------------------------------- (CUSIP Number) Check here if a fee is being paid with this statement: . (A fee is not required only if the filing person: (1) has a previous statement on file reporting beneficial ownership of more than five percent of the class of securities described in Item 1; and (2) has filed no amendment subsequent thereto reporting beneficial ownership of five percent or less of such class.) (See Rule 13d-7). *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). PAGE 1 OF 10 PAGES - --------------------- ---------------------- CUSIP No. 450312103 13G Page 2 of 10 Pages - --------------------- ---------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON John Hancock Mutual Life Insurance Company I.R.S. No. 04-1414660 - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* a) |_| (b) |_| N/A - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Commonwealth of Massachusetts - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER Number of Shares -0- ------------------------------------------------------------- Beneficially 6 SHARED VOTING POWER Owned by Each -0- ------------------------------------------------------------- Reporting 7 SOLE DISPOSITIVE POWER Person With -0- ------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER -0- - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None, except through its indirect, wholly-owned subsidiary, John Hancock Advisers, Inc. - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 See line 9, above. - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IC, BD, IA, HC - -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! PAGE 2 OF 10 PAGES - --------------------- ---------------------- CUSIP No. 450312103 13G Page 3 of 10 Pages - --------------------- ---------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON John Hancock Subsidiaries, Inc. I.R.S. No. 04-2687223 - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |_| N/A - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER Number of Shares -0- ------------------------------------------------------------- Beneficially 6 SHARED VOTING POWER Owned by Each -0- ------------------------------------------------------------- Reporting 7 SOLE DISPOSITIVE POWER Person With -0- ------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER -0- - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None, except through its indirect, wholly-owned subsidiary, John Hancock Advisers, Inc. - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 See line 9, above. - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* HC - -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! PAGE 3 OF 10 PAGES - --------------------- ---------------------- CUSIP No. 450312103 13G Page 4 of 10 Pages - --------------------- ---------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON John Hancock Asset Management I.R.S. No. 04-3279774 - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |_| N/A - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Commonwealth of Massachusetts - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER Number of Shares -0- ------------------------------------------------------------- Beneficially 6 SHARED VOTING POWER Owned by Each -0- ------------------------------------------------------------- Reporting 7 SOLE DISPOSITIVE POWER Person With -0- ------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER -0- - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None, except through its indirect, wholly-owned subsidiary, John Hancock Advisers, Inc. - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 See line 9, above. - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* HC - -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! PAGE 4 OF 10 PAGES - --------------------- ---------------------- CUSIP No. 450312103 13G Page 5 of 10 Pages - --------------------- ---------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON The Berkeley Financial Group I.R.S. No. 04-3145626 - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |_| N/A - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Commonwealth of Massachusetts - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER Number of Shares -0- ------------------------------------------------------------- Beneficially 6 SHARED VOTING POWER Owned by Each -0- ------------------------------------------------------------- Reporting 7 SOLE DISPOSITIVE POWER Person With -0- ------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER -0- - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None, except through its direct, wholly-owned subsidiary, John Hancock Advisers, Inc. - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 See line 9, above. - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* HC - -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! PAGE 5 OF 10 PAGES - --------------------- ---------------------- CUSIP No. 450312103 13G Page 6 of 10 Pages - --------------------- ---------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON John Hancock Advisers, Inc. I.R.S. No. 04-2441573 - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |_| N/A - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER Number of Shares 607,500 ------------------------------------------------------------- Beneficially 6 SHARED VOTING POWER Owned by Each -0- ------------------------------------------------------------- Reporting 7 SOLE DISPOSITIVE POWER Person With 607,500 ------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER -0- - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 607,500 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IA - -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! PAGE 6 OF 10 PAGES The original statement shall be signed by each person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his authorized representative other than an executive officer or general partner of the filing person, evidence of the representative's authority to sign on behalf of such person shall be filed with the statement, provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement shall be typed or printed beneath his signature. Note: Six copies of this statement, including all exhibits, should be filed with the Commission. Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001) Item 1(a) Name of Issuer: i-STAT Corporation Item 1(b) Address of Issuer's Principal Executive Offices: 303(A) College Road East Princeton, NJ 08540 Item 2(a) Name of Person Filing: This filing is made on behalf of John Hancock Mutual Life Insurance Company ("JHMLICO"), JHMLICO's direct, wholly-owned subsidiary, John Hancock Subsidiaries, Inc. ("JHSI"), JHSI's direct, wholly-owned subsidiary, John Hancock Asset Management ("JHAM"), JHAM's wholly-owned subsidiary, The Berkeley Financial Group ("TBFG") and TBFG's wholly-owned subsidiary, John Hancock Advisers, Inc. ("JHA"). Item 2(b) Address of the Principal Offices: The principal business offices of JHMLICO, JHSI and JHAM are located at John Hancock Place, P.O. Box 111, Boston, MA 02117. The principal business offices of TBFG and JHA are located at 101 Huntington Avenue, Boston, Massachusetts 02199. Item 2(c) Citizenship: JHMLICO, JHAM and TBFG were organized and exist under the laws of the Commonwealth of Massachusetts. JHSI and JHA were organized and exist under the laws of the State of Delaware. Item 2(d) Title of Class of Securities: Common Stock Item 2(e) CUSIP Number: 450312103 Item 3 If the Statement is being filed pursuant to Rule 13d-1(b), or 13d-2(b), check whether the person filing is a: JHMLICO: (a) (X) Broker or Dealer registered under ss.15 of the Act. (c) (X) Insurance Company as defined in ss.3(a)(19) of the Act. (e) (X) Investment Adviser registered under ss.203 of the Investment Advisers Act of 1940. (g) (X) Parent Holding Company, in accordance with ss.240.13d-1(b)(ii)(G). PAGE 7 OF 10 PAGES JHSI: (g) (X) Parent Holding Company, in accordance with ss.240.13d-1(b)(ii)(G). JHAM: (g) (X) Parent Holding Company, in accordance with ss.240.13d-1(b)(ii)(G). TBFG: (g) (X) Parent Holding Company, in accordance with ss.240.13d-1(b)(ii)(G). JHA: (e) (X) Investment Adviser registered under ss.203 of the Investment Advisers Act of 1940. Item 4 Ownership: (a) Amount Beneficially Owned: JHA has direct beneficial ownership of 607,500 shares of Common Stock. Through their parent-subsidiary relationship to JHA, JHMLICO, JHSI, JHAM and TBFG have indirect, beneficial ownership of these same shares. (b) Percent of Class: 5.4% (c) (i) sole power to vote or to direct the vote: JHA has sole power to vote or direct the vote of the 607,500 shares of Common Stock under the Advisory Agreements as follows: Date of Number Advisory Fund Name of Shares Agreement --------- ---------- --------- John Hancock Special Equities Fund 570,000 January 1, 1994 Houston Municipal Employees Pension System 37,500 December 22, 1995 (ii) shared power to vote or to direct the vote: -0- (iii) sole power to dispose or to direct the disposition of: JHA has sole power to dispose or to direct the disposition of the 607,500 shares of Common Stock under the Advisory Agreements noted in Item 4(c)(i) above. (iv) shared power to dispose or to direct the disposition of: -0- Item 5 Ownership of Five Percent or Less of a Class: Not applicable. Item 6 Ownership of More than Five Percent on Behalf of Another Person: See Item 4. Item 7 Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company: See Items 3 and 4 above. Item 8 Identification and Classification of Members of the Group: Not applicable. Item 9 Notice of Dissolution of a Group: Not applicable. Item 10 Certification: By signing below the undersigned certifies that, to the best of its knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purpose or effect. PAGE 8 OF 10 PAGES SIGNATURE After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct. John Hancock Mutual Life Insurance Company By: /s/ Marion L. Nierntz Name: Marion L. Nierintz Dated: January 21, 1997 Title: Second Vice President John Hancock Subsidiaries, Inc. By: /s/ Marion L. Nierintz Name: Marion L. Nierintz Dated: January 21, 1997 Title: Secretary John Hancock Asset Management By: /s/ James H. Young Name: James H. Young Dated: January 21, 1997 Title: Secretary The Berkeley Financial Group By: /s/ Susan S. Newton Name: Susan S. Newton Dated: January 21, 1997 Title: Vice President John Hancock Advisers, Inc. By: /s/ Susan S. Newton Name: Susan S. Newton Dated: January 21, 1997 Title: Vice President PAGE 9 OF 10 PAGES EXHIBIT A JOINT FILING AGREEMENT John Hancock Mutual Life Insurance Company, John Hancock Subsidiaries, Inc., John Hancock Asset Management, The Berkeley Financial Group and John Hancock Advisers, Inc. agree that the Schedule 13G (Amendment No. 1), to which this Agreement is attached, relating to the Common Stock of i-STAT Corporation is filed on behalf of each of them. John Hancock Mutual Life Insurance Company By: /s/ Marion L. Nierntz Name: Marion L. Nierintz Dated: January 21, 1997 Title: Second Vice President John Hancock Subsidiaries, Inc. By: /s/ Marion L. Nierintz Name: Marion L. Nierintz Dated: January 21, 1997 Title: Secretary John Hancock Asset Management By: /s/ James H. Young Name: James H. Young Dated: January 21, 1997 Title: Secretary The Berkeley Financial Group By: /s/ Susan S. Newton Name: Susan S. Newton Dated: January 21, 1997 Title: Vice President John Hancock Advisers, Inc. By: /s/ Susan S. Newton Name: Susan S. Newton Dated: January 21, 1997 Title: Vice President PAGE 10 OF 10 PAGES -----END PRIVACY-ENHANCED MESSAGE-----