OPNET TECHNOLOGIES INC

Quarterly Report for period ending 2012-09-30

Quarterly Report for period ending 2012-06-30

Annual Report for period ending 2012-03-31

Quarterly Report for period ending 2011-12-31

Quarterly Report for period ending 2011-09-30

Quarterly Report for period ending 2011-06-30

Annual Report for period ending 2011-03-31

Quarterly Report for period ending 2010-12-31

Quarterly Report for period ending 2010-09-30

Quarterly Report for period ending 2010-06-30

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Notice of termination of registration of a class of securities under Section 12(g)

Tender offer solicitation/recommendation statements filed under Rule 14d-9

Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities

Tender offer solicitation/recommendation statements filed under Rule 14d-9

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

Tender offer solicitation/recommendation statements filed under Rule 14d-9

Tender offer solicitation/recommendation statements filed under Rule 14d-9

Tender offer solicitation/recommendation statements filed under Rule 14d-9

Tender offer solicitation/recommendation statements filed under Rule 14d-9

Annual report to security holders

VANGUARD GROUP INC: Major Shareholders

COHEN ALAIN J: Major Shareholders

COHEN MARC A: Major Shareholders

FINN STEVEN G: Statement of changes in beneficial ownership of securities

COHEN ALAIN J: Statement of changes in beneficial ownership of securities

COHEN MARC A: Statement of changes in beneficial ownership of securities

STASIOR WILLIAM F: Statement of changes in beneficial ownership of securities

Wesley Melvin III: Statement of changes in beneficial ownership of securities

KAISER RONALD W: Statement of changes in beneficial ownership of securities

Kennelly Jerry M: Initial statement of beneficial ownership of securities

Third party tender offer statement

Third party tender offer statement

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Third party tender offer statement

Filing under Securities Act Rule 425 of certain prospectuses and communications in connection with business combination transactions

Third party tender offer statement

Definitive proxy statements

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive proxy statements

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive proxy statements

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive proxy statements

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive proxy statements

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.