OPTICAL SECURITY GROUP INC

Q: Sep 30 1999

Q: Sep 30 1999

Q: Jun 30 1999

Q: Jun 30 1999

FY: Mar 31 1999

Q: Dec 31 1998

Q: Dec 31 1998

Q: Sep 30 1998

Q: Sep 30 1998

Q: Jun 30 1998

FY: Mar 31 1998

FY: Mar 31 1998

Q: Feb 19 1998

Q: Feb 11 1998

Q: Sep 30 1997

Q: Jun 30 1997

FY: Mar 31 1997

FY: Jun 27 1997

Q: Dec 31 1996

Q: Feb 13 1997

2,5,7

5

2,7

2,7,9

5,7

9

7

2,7

Current report pursuant to Section 13 or 15(d)

Certification of termination of registration of a class of securities (Section 12(g))

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

No description available

No description available

No description available

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

APPLIED OPSEC CORP

OPTICAL SECURITY GROUP INC

MASSACHUSETTS MUTUAL LIFE INSURANCE CO