ACT NETWORKS INC

Q: Mar 31 2000

Q: Dec 31 1999

Q: Sep 30 1999

FY: Jun 30 1999

Q: Mar 31 1999

Q: Dec 31 1998

Q: Sep 30 1998

FY: Jun 30 1998

FY: Jun 30 1998

Q: Mar 31 1998

Q: Feb 17 1998

Q: Sep 30 1997

FY: Jun 30 1997

Q: Mar 31 1997

Q: Feb 14 1997

Q: Nov 13 1996

FY: Sep 27 1996

Q: May 22 1996

Q: May 22 1996

Q: May 15 1996

5,7

5,7

2,7

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

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

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

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

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

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

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

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

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

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

Prospectus filed under Rule 424(b)(1)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Definitive Proxy Statement

Definitive Proxy Statement

Required Information in Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

ALPINE ASSOCIATES A LTD PARTNERSHIP /NJ

CLARENT CORP/CA

TUDOR INVESTMENT CORP ET AL

TUDOR INVESTMENT CORP ET AL

DIMENSIONAL FUND ADVISORS INC

GILDER GAGNON HOWE & CO LLC

TUDOR INVESTMENT CORP ET AL

GILDER GAGNON HOWE & CO LLC

HEARTLAND ADVISORS INC

GILDER GAGNON HOWE & CO LLC

DIMENSIONAL FUND ADVISORS INC

HEARTLAND ADVISORS INC

KINGDON CAPITAL MANAGEMENT LLC

GILDER GAGNON HOWE & CO

KINGDON CAPITAL MANAGEMENT CORP

PILGRIM BAXTER & ASSOCIATES LTD /DE/ /ADV

HEARTLAND ADVISORS INC

A I M MANAGEMENT GROUP INC /DE/

PILGRIM BAXTER & ASSOCIATES LTD /DE/ /ADV

No description available