OPTEK TECHNOLOGY INC

Related Filers (7)

Financials (24)

10-Q
Monday, 6/14/1999
Quarterly Report for period ending 1999-04-30
10-Q/A
Tuesday, 3/23/1999
Quarterly Report for period ending 1999-01-29
10-Q
Monday, 3/15/1999
Quarterly Report for period ending 1999-01-29
10-K
Thursday, 1/28/1999
Annual Report for period ending 1998-10-30
10-Q
Monday, 9/14/1998
Quarterly Report for period ending 1998-07-31
10-Q
Wednesday, 6/10/1998
Quarterly Report for period ending 1998-05-01
10-K/A
Wednesday, 4/29/1998
Annual Report for period ending 1997-10-31
10-K/A
Wednesday, 3/25/1998
Annual Report for period ending 1997-10-31
10-Q
Wednesday, 2/25/1998
Quarterly Report for period ending 1998-01-30
10-K/A
Friday, 1/30/1998
Annual Report for period ending 1997-10-31
10-K/A
Friday, 1/30/1998
Annual Report for period ending 1997-10-31
NT 10-K
Friday, 1/30/1998
Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT for period ending 1997-10-31
10-K
Thursday, 1/29/1998
Annual Report for period ending 1997-10-31
10-Q
Thursday, 9/4/1997
Quarterly Report for period ending 1997-08-01
10-K/A
Thursday, 5/29/1997
Annual Report for period ending 1996-10-25
10-Q/A
Thursday, 5/29/1997
Quarterly Report for period ending 1997-04-02
10-Q/A
Thursday, 5/29/1997
Quarterly Report for period ending 1997-04-02
10-Q
Tuesday, 5/27/1997
Quarterly Report for period ending 1997-05-02
10-K/A
Tuesday, 5/27/1997
Annual Report for period ending 1996-10-25
10-Q
Thursday, 3/13/1997
Quarterly Report for period ending 1997-01-31
10-K
Thursday, 1/23/1997
Annual Report for period ending 1996-10-25
10-Q/A
Wednesday, 3/20/1996
Quarterly Report for period ending 1996-01-26
10-Q
Wednesday, 2/14/1996
Quarterly Report for period ending 1996-01-26
10-K
Tuesday, 1/16/1996
Annual Report for period ending 1995-10-27
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Ownership (39)

SC 13G/A
Tuesday, 2/8/2000
PRICE T ROWE ASSOCIATES INC /MD/: Major Shareholders
SC 13D/A
Tuesday, 5/25/1999
F S WARRANT L P: Major Shareholders
4
Monday, 4/5/1999
Statement of changes in beneficial ownership of securities
4
Thursday, 4/1/1999
Statement of changes in beneficial ownership of securities
4
Thursday, 4/1/1999
Statement of changes in beneficial ownership of securities
4
Wednesday, 3/31/1999
Statement of changes in beneficial ownership of securities
4
Wednesday, 3/31/1999
Statement of changes in beneficial ownership of securities
4
Tuesday, 3/30/1999
Statement of changes in beneficial ownership of securities
4
Tuesday, 3/30/1999
Statement of changes in beneficial ownership of securities
4
Tuesday, 3/30/1999
Statement of changes in beneficial ownership of securities
4
Tuesday, 3/30/1999
Statement of changes in beneficial ownership of securities
4
Tuesday, 3/30/1999
Statement of changes in beneficial ownership of securities
4
Tuesday, 3/30/1999
Statement of changes in beneficial ownership of securities
SC 13G/A
Wednesday, 2/10/1999
PRICE T ROWE ASSOCIATES INC /MD/: Major Shareholders
SC 13G/A
Wednesday, 2/10/1999
WELLINGTON MANAGEMENT CO LLP: Major Shareholders
4
Tuesday, 1/19/1999
Statement of changes in beneficial ownership of securities
4
Tuesday, 11/10/1998
Statement of changes in beneficial ownership of securities
4
Tuesday, 11/10/1998
Statement of changes in beneficial ownership of securities
SC 13D/A
Monday, 10/26/1998
F S WARRANT L P: Major Shareholders
4
Friday, 10/9/1998
Statement of changes in beneficial ownership of securities
4
Friday, 10/9/1998
Statement of changes in beneficial ownership of securities
SC 13D
Monday, 9/14/1998
BERU AKTIENGESELLSCHAFT: Major Shareholders
4
Thursday, 9/10/1998
Statement of changes in beneficial ownership of securities
4
Thursday, 9/10/1998
Statement of changes in beneficial ownership of securities
4
Wednesday, 8/19/1998
Statement of changes in beneficial ownership of securities
SC 13D/A
Friday, 8/7/1998
DOMINION RESOURCES INC /VA/: Major Shareholders
4
Monday, 6/1/1998
Statement of changes in beneficial ownership of securities
3
Wednesday, 5/27/1998
Initial statement of beneficial ownership of securities
SC 13D/A
Friday, 5/15/1998
Major Shareholders
SC 13D/A
Wednesday, 5/13/1998
Major Shareholders
4
Friday, 5/8/1998
Statement of changes in beneficial ownership of securities
4
Thursday, 4/9/1998
Statement of changes in beneficial ownership of securities
4
Thursday, 4/9/1998
Statement of changes in beneficial ownership of securities
4
Thursday, 4/9/1998
Statement of changes in beneficial ownership of securities
4
Tuesday, 4/7/1998
Statement of changes in beneficial ownership of securities
SC 13G
Friday, 2/13/1998
PRICE T ROWE ASSOCIATES INC /MD/: Major Shareholders
SC 13G
Monday, 2/9/1998
WELLINGTON MANAGEMENT CO LLP: Major Shareholders
SC 13G/A
Tuesday, 7/8/1997
ALLSTATE CORP: Major Shareholders
SC 13G/A
Monday, 2/12/1996
ALLSTATE CORP: Major Shareholders
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Prospectus (20)

S-8
Friday, 9/25/1998
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-8
Friday, 9/25/1998
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-3
Friday, 9/18/1998
Registration statement for specified transactions by certain issuers
424B1
Friday, 5/1/1998
Prospectus filed pursuant to Rule 424(b)(1)
S-3/A
Thursday, 4/30/1998
Registration statement for specified transactions by certain issuers
S-3/A
Wednesday, 4/8/1998
Registration statement for specified transactions by certain issuers
S-3/A
Wednesday, 3/25/1998
Registration statement for specified transactions by certain issuers
S-8 POS
Thursday, 3/5/1998
Post-effective amendment to a S-8 registration statement
S-8 POS
Thursday, 3/5/1998
Post-effective amendment to a S-8 registration statement
S-8 POS
Thursday, 3/5/1998
Post-effective amendment to a S-8 registration statement
S-3
Tuesday, 2/17/1998
Registration statement for specified transactions by certain issuers
424B1
Tuesday, 6/17/1997
Prospectus filed pursuant to Rule 424(b)(1)
S-3/A
Wednesday, 5/28/1997
Registration statement for specified transactions by certain issuers
S-3
Wednesday, 5/14/1997
Registration statement for specified transactions by certain issuers
S-8 POS
Friday, 3/7/1997
Post-effective amendment to a S-8 registration statement
S-8 POS
Friday, 3/7/1997
Post-effective amendment to a S-8 registration statement
S-8 POS
Friday, 3/7/1997
Post-effective amendment to a S-8 registration statement
S-8 POS
Wednesday, 2/7/1996
Post-effective amendment to a S-8 registration statement
S-8 POS
Wednesday, 2/7/1996
Post-effective amendment to a S-8 registration statement
S-8
Thursday, 1/25/1996
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
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