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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL SCHEDULE 13G
Under the Securities Exchange Act of 1934
On Assignment, Inc.
- --------------------------------------------------------------------------------
(Name of Issuer)
Common Stock
- --------------------------------------------------------------------------------
(Title of Class of Securities)
682159108
- --------------------------------------------------------------------------------
(CUSIP Number)
December 31, 1998
- --------------------------------------------------------------------------------
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[ X ] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)
*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
<PAGE>
<TABLE>
<CAPTION>
<S> <C>
- ----------------------------------------- --------------------------------------
CUSIP No. 682159108 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, IA, HC
- ---------- -------------------------------------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
PAGE 2 OF 10 PAGES
<PAGE>
- ----------------------------------------- --------------------------------------
CUSIP No. 682159108 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
<PAGE>
- ----------------------------------------- --------------------------------------
CUSIP No. 682159108 13G Page 4 of 10 Pages
- ---------- -------------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
The Berkeley Financial Group, Inc.
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
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 4 OF 10 PAGES
<PAGE>
- ----------------------------------------- --------------------------------------
CUSIP No. 682159108 13G Page 5 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 562,200
-------- -------------------------------------------------------------------------------------------
Beneficially 6 SHARED VOTING POWER
Owned by
Each
-0-
-------- -------------------------------------------------------------------------------------------
Reporting 7 SOLE DISPOSITIVE POWER
Person
With 562,200
-------- -------------------------------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
-0-
- ---------- -------------------------------------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
562,200
- ---------- -------------------------------------------------------------------------------------------------------------
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
5.1%
- ---------- -------------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IA
- ---------- -------------------------------------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
PAGE 5 OF 10 PAGES
</TABLE>
<PAGE>
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: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Sec. 240.13d-7 for other
parties for whom copies are to be sent.
Attention: Intentional misstatements or omissions of fact constitute
Federal criminal violations (See 18 U.S.C. 1001)
Item 1(a) Name of Issuer:
On Assignment, Inc.
Item 1(b) Address of Issuer's Principal Executive Offices:
26651 West Agoura Road
Calabasas, CA 91302
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, The
Berkeley Financial Group, Inc. ("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 and JHSI 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 was organized and exists under the laws of the
Commonwealth of Massachusetts. JHSI, TBFG 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:
682159108
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: (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 6 OF 10 PAGES
<PAGE>
JHSI: (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 562,200 shares of Common
Stock Through their parent-subsidiary relationship
to JHA, JHMLICO, JHSI and TBFG have indirect,
beneficial ownership of these same shares.
(b) Percent of Class: 5.1%
(c) (i) sole power to vote or to direct the vote:
JHA has sole power to vote or direct the
vote of the 562,200 shares of Common Stock
under the Advisory Agreements as follows:
Date of
Number Advisory
Fund Name of Shares Agreement
--------- --------- ---------
Maritime Life Discovery Fund 3,900 May 11, 1994
Indosuez North America Smaller Companies Portfolio 4,900 May 20, 1997
Variable Series Trust I-Small Cap Growth Portfolio 15,200 March 29, 1996
John Hancock Special Equities Fund 385,000 January 1, 1994
John Hancock Emerging Growth Fund 145,900 December 2, 1996
John Hancock Small Capitalization Growth Fund 600 December 11, 1995
V.A. Emerging Growth Fund 1,700 August 29, 1996
Small Cap (Advisers) Account 5,000 November 1, 1998
(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 562,200 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.
PAGE 7 OF 10 PAGES
<PAGE>
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
<PAGE>
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/Gregory P. Winn
-------------------------------------
Name: Gregory P. Winn
Dated: January 19, 1999 Title: Vice President & Treasurer
John Hancock Subsidiaries, Inc.
By: /s/Gregory P. Winn
-------------------------------------
Name: Gregory P. Winn
Dated: January 19, 1999 Title: Treasurer
The Berkeley Financial Group, Inc.
By: /s/Susan S. Newton
-------------------------------------
Name: Susan S. Newton
Dated: January 19, 1999 Title: Vice President
John Hancock Advisers, Inc.
By: /s/Susan S. Newton
-------------------------------------
Name: Susan S. Newton
Dated: January 19, 1999 Title: Vice President
PAGE 9 OF 10 PAGES
<PAGE>
EXHIBIT A
JOINT FILING AGREEMENT
John Hancock Mutual Life Insurance Company, John Hancock Subsidiaries,
Inc., The Berkeley Financial Group and John Hancock Advisers, Inc. agree that
the Initial Schedule 13G, to which this Agreement is attached, relating to the
Common Stock of On Assignment, Inc. is filed on behalf of each of them.
John Hancock Mutual Life Insurance Company
By: /s/Gregory P. Winn
------------------------------------
Name: Gregory P. Winn
Dated: January 19, 1999 Title: Vice President & Treasurer
John Hancock Subsidiaries, Inc.
By: /s/Gregory P. Winn
------------------------------------
Name: Gregory P. Winn
Dated: January 19, 1999 Title: Treasurer
The Berkeley Financial Group, Inc.
By: /s/Susan S. Newton
------------------------------------
Name: Susan S. Newton
Dated: January 19, 1999 Title: Vice President
John Hancock Advisers, Inc.
By: /s/Susan S. Newton
------------------------------------
Name: Susan S. Newton
Dated: January 19, 1999 Title: Vice President
PAGE 10 OF 10 PAGES
