GENSYM CORP

Quarterly Report for period ending 2007-06-30

Quarterly Report for period ending 2007-03-31

Quarterly Report for period ending 2006-03-31

Quarterly Report for period ending 2006-06-30

Quarterly Report for period ending 2006-09-30

Annual Report for period ending 2006-12-31

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 2006-12-31

Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB for period ending 2006-09-30

Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB for period ending 2006-06-30

Quarterly Report for period ending 2006-03-31

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)

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

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

None

Annual report to security holders

Annual report to security holders

Annual Report with disclosure of delinquent filers

Form for registration of a class of securities pursuant to Section 12(g)

SWITHENBANK THOMAS EDWIN: Statement of changes in beneficial ownership of securities

Smith David A: Statement of changes in beneficial ownership of securities

SHANE JOHN A: Statement of changes in beneficial ownership of securities

PRINTZ PHILIPPE: Statement of changes in beneficial ownership of securities

ASHTON ROBERT B: Statement of changes in beneficial ownership of securities

ALLISON STEPHEN D: Statement of changes in beneficial ownership of securities

LOEB PARTNERS CORP: Major Shareholders

SHANE JOHN A: Statement of changes in beneficial ownership of securities

Smith David A: Statement of changes in beneficial ownership of securities

SWITHENBANK THOMAS EDWIN: Statement of changes in beneficial ownership of securities

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Registration Withdrawal Request

Registration statement for specified transactions by certain issuers

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Definitive proxy statement relating to a merger, acquisition, or disposition

Preliminary proxy statement relating to a merger, acquisition, or disposition

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 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 additional proxy soliciting materials filed by non-management including Rule 14(a)(12) material

Definitive proxy statements

Definitive proxy statements

Definitive proxy statements

Definitive proxy statements

Definitive revised proxy soliciting materials