SEC Form 4
FORM 4 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
or Section 30(h) of the Investment Company Act of 1940
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X
 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
PELSUE KURT A
(Last) (First) (Middle)
55 SHERMAN BRIDGE ROAD
(Street)
WAYLAND MA 01778
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
GSI LUMONICS INC [ GSLI ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Vice President
3. Date of Earliest Transaction (Month/Day/Year)
06/30/2004
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 06/30/2004 M 10,000 A $4.38 10,000 D
Common Stock 06/30/2004 S(1) 10,000 D $17 27,737 D
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. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option Plan (right to buy) $9.929 06/04/1997 A 11,314 (2) 06/04/2007 Common Stock 11,314 $9.929 11,314 D
Employee Stock Option Plan (right to buy) $14.662 03/11/1998 A 26,535 (3) 03/11/2008 Common Stock 26,535 $14.662 26,535 D
Employee Stock Option Plan (right to buy) $14.662 03/11/1998 A 404 (4) 03/11/2008 Common Stock 404 $14.662 404 D
Employee Stock Option Plan (right to buy) $14.662 03/11/1998 A 6,819 (5) 03/11/2008 Common Stock 6,819 $14.662 6,819 D
Employee Stock Option (right to buy) $14.662 03/11/1998 A 13,385 (6) 03/11/2008 Common stock 13,385 $14.662 13,385 D
Employee Stock Option (right to buy) $4.454 12/04/1998 A 4,719 (7) 12/04/2003 Common Stock 4,719 $4.454 4,719 D
Employee Stock Option (right to buy) $4.454 12/04/1998 A 35,690 (8) 12/04/2008 Common Stock 35,690 $4.454 25,690 D
Employee Stock Option (right to buy) $4.38 06/30/2004 M 10,000 (9) 08/11/2005 Common Stock 10,000 $17 1,252 D
Employee Stock Option (right to buy) $4.38 08/11/1999 A 33,748 (10) 08/11/2009 Common Stock 33,748 $4.38 33,748 D
Employee Stock Option Plan (right to buy) $19.375 09/22/2000 A 20,000 (11) 09/22/2006 Common Stock 20,000 $19.375 20,000 D
Employee Stock Option Plan (right to buy) $8.93 04/17/2001 A 40,000 (12) 04/17/2007 Common Stock 40,000 $8.93 40,000 D
Employee Stock Option Plan (right to buy) $8.35 02/26/2002 A 6,281 (13) 02/26/2008 Common Stock 6,281 $8.35 6,282 D
Employee Stock Option Plan (right to buy) $8.35 02/26/2002 A 13,719 (14) 02/26/2008 Common Stock 13,719 $8.35 13,719 D
Explanation of Responses:
1. The sale reported in this Form 4 was effected pursuant to a Rule 10b-5-1 trading plan adopted by the reporting person
2. The option is exercisable in five equal annual installments beginning June 4, 1998
3. The option is exercisable in five equal annual installments beginning March 11, 1999
4. The option is exercisable on March 11, 1999
5. The option is exercisable in five equal annual installments beginning March 11, 1999
6. The option is exercisable on March 11, 1999
7. The option is exercisable in five equal annual installments beginning December 4, 1999
8. The option is exercisable in five equal annual installments beginning December 4, 1999
9. The option is exercisable in four equal annual installments beginning August 11, 2000
10. The option is exercisable in four equal annual installments beginning August 11, 2000
11. The option is exercisable in four equal annual installments beginning September 22, 2001
12. The option is exercisable in four equal annual installments beginning April 17, 2002
13. The option is exercisable in four equal annual installments beginning February 26, 2003
14. The option is exercisable in three equal annual installments beginning February 26, 2003
Remarks:
Tamblyn Ghanem, Attorney-in-fact for Kurt A. Pelsue 07/02/2004
** Signature of Reporting Person Date
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).
** 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 is insufficient, see Instruction 6 for procedure.
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