ACME PACKET INC

FY: Dec 31 2012

FY: Dec 31 2012

Q: Sep 30 2012

Q: Jun 30 2012

Q: Mar 31 2012

FY: Dec 31 2011

Q: Sep 30 2011

Q: Jun 30 2011

Q: Jun 30 2011

Q: Mar 31 2011

Q: Mar 31 2011

Q: Mar 31 2011

FY: Dec 31 2010

Q: Sep 30 2010

Q: Jun 30 2010

Q: Mar 31 2010

FY: Dec 31 2009

Q: Sep 30 2009

Q: Jun 30 2009

Q: Mar 31 2009

2.01,3.01,3.03,5.01,5.02,5.03,5.07,9.01

1.01,2.02,8.01,9.01

Results of Operations and Financial Condition

Results of Operations and Financial Condition

7.01,9.01

2.02,9.01

Submission of Matters to a Vote of Security Holders

2.02,9.01

Entry into a Material Definitive Agreement

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

5.02

2.02,9.01

5.03,9.01

5.02,9.01

Results of Operations and Financial Condition

5.07

5.02,9.01

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

2.02,9.01

2.02,9.01

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

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Notification of removal from listing and/or registration on a national securities exchange

Post Effective Amendment to S-8

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

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Rule 506

Definitive Proxy Statement

No description available

No description available

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Aulds Steven D

Cushing Matthew J.

DIPALMA DINO

Muirhead James Russell

HOURIHAN JAMES J

MEDEIROS ERIN

Hower Robert

Elsbree David B

MINIHANE PETER J

BOWEN GARY J

ORY ANDREW D

MELAMPY PATRICK J

Shields John F

ORY ROBERT G

Budnik Marianne

ORY ANDREW D

ORY ROBERT G

MELAMPY PATRICK J

WELLINGTON MANAGEMENT CO LLP

ORY ANDREW D

Annual Report Scanned (Paper)

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

No description available

Correspondence with the SEC