SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Amendment #2
Under the Securities and Exchange Act of 1934
Acme Packet Inc.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
004764106
(CUSIP Number)
January 31, 2012
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
This Schedule is filed pursuant to Rule 13d-1(b)
The information required in the remainder of this cover page (except any items to which the form provides a cross-reference) shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act.
| CUSIP No. 004764106 |
| (1) |
Name of reporting person Ameriprise Financial, Inc.
S.S. or I.R.S. Identification No. of Above Person IRS No. 13-3180631 | |||||
| (2) | Check the appropriate box if a member of a group (a) ¨ (b) x*
* This filing describes the reporting person’s relationship with other persons, but the reporting person does not affirm the existence of a group. | |||||
| (3) | SEC use only
| |||||
| (4) | Citizenship or place of organization
Delaware | |||||
|
Number of shares beneficially owned by each reporting person with |
(5) | Sole voting power
-0- | ||||
| (6) | Shared voting power
738 | |||||
| (7) | Sole dispositive power
-0- | |||||
| (8) | Shared dispositive power
738 | |||||
|
(9) |
Aggregate amount beneficially owned by each reporting person
738 | |||||
| (10) |
Check if the aggregate amount in Row (9) excludes certain shares
Not Applicable | |||||
| (11) |
Percent of class represented by amount in Row (9)
0.00% | |||||
| (12) |
Type of reporting person
HC | |||||
| CUSIP No. 004764106 |
| (1) |
Name of reporting person Columbia Management Investment Advisers, LLC
S.S. or I.R.S. Identification No. of Above Person IRS No. 41-1533211 | |||||
| (2) | Check the appropriate box if a member of a group (a) ¨ (b) x*
* This filing describes the reporting person’s relationship with other persons, but the reporting person does not affirm the existence of a group. | |||||
| (3) | SEC use only
| |||||
| (4) | Citizenship or place of organization
Minnesota | |||||
|
Number of shares beneficially owned by each reporting person with |
(5) | Sole voting power
-0- | ||||
| (6) | Shared voting power
738 | |||||
| (7) | Sole dispositive power
-0- | |||||
| (8) | Shared dispositive power
738 | |||||
|
(9) |
Aggregate amount beneficially owned by each reporting person
738 | |||||
| (10) |
Check if the aggregate amount in Row (9) excludes certain shares
Not Applicable | |||||
| (11) |
Percent of class represented by amount in Row (9)
0.00% | |||||
| (12) |
Type of reporting person
IA | |||||
| CUSIP No. 004764106 |
| (1) |
Name of reporting person Columbia Select Large Cap Growth Fund
S.S. or I.R.S. Identification No. of Above Person IRS No: 36-3376651 | |||||
| (2) | Check the appropriate box if a member of a group (a) ¨ (b) x*
* This filing describes the reporting person’s relationship with other persons, but the reporting person does not affirm the existence of a group. | |||||
| (3) | SEC use only
| |||||
| (4) | Citizenship or place of organization
Massachusetts | |||||
|
Number of shares beneficially owned by each reporting person with |
(5) | Sole voting power
-0- | ||||
| (6) | Shared voting power
-0- | |||||
| (7) | Sole dispositive power
-0- | |||||
| (8) | Shared dispositive power
-0- | |||||
|
(9) |
Aggregate amount beneficially owned by each reporting person
-0- | |||||
| (10) |
Check if the aggregate amount in Row (9) excludes certain shares
Not Applicable | |||||
| (11) |
Percent of class represented by amount in Row (9)
0.00% | |||||
| (12) |
Type of reporting person
IV | |||||
| 1(a) | Name of Issuer: | Acme Packet Inc. | ||
| 1(b) | Address of Issuer’s Principal | 100 Crosby Drive | ||
| Executive Offices: | Bedford, MA 01730 | |||
| 2(a) | Name of Person Filing: | (a) Ameriprise Financial, Inc. (“AFI”) | ||
| (b) Columbia Management Investment | ||||
| Advisers, LLC (“CMIA”) | ||||
| (c) Columbia Select Large Cap Growth Fund (“Fund”) | ||||
| 2(b) | Address of Principal Business Office: | (a) Ameriprise Financial, Inc. | ||
| 145 Ameriprise Financial Center | ||||
| Minneapolis, MN 55474 | ||||
| (b) 225 Franklin St. | ||||
| Boston, MA 02110 | ||||
| (c) 225 Franklin St. | ||||
| Boston, MA 02110 | ||||
| 2(c) | Citizenship: | (a) Delaware | ||
| (b) Minnesota | ||||
| (c) Massachusetts | ||||
| 2(d) | Title of Class of Securities: | Common Stock | ||
| 2(e) | Cusip Number: | 004764106 | ||
| 3 | Information if statement is filed pursuant to Rules 13d-1(b) or 13d-2(b): |
(a) Ameriprise Financial, Inc.
A parent holding company in accordance with Rule 13d-1(b)(1)(ii)(G). (Note: See Item 7)
(b) Columbia Management Investment Advisers, LLC
An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E)
(c) Columbia Select Large Cap Growth Fund
An investment company in accordance with Rule 13d-1(b)(1)(ii)(D).
| 4 | Incorporated by reference to Items (5)-(9) and (11) of the cover page pertaining to each reporting person. |
| 5 | Ownership of 5% or Less of a Class: Not Applicable |
| 6 | Ownership of more than 5% on Behalf of Another Person: |
If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [ X ].
| 7 | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company: |
AFI: See Exhibit I
| 8 | Identification and Classification of Members of the Group: |
Not Applicable
| 9 | Notice of Dissolution of Group: |
Not Applicable
| 10 | Certification: |
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purposes or effect.
Signature
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Dated: February 10, 2012
| Ameriprise Financial, Inc. | ||
| By: | /s/ Wade M. Voigt | |
| Name: Wade M. Voigt | ||
| Title: Vice President – Fund | ||
| Administration -Financial Reporting | ||
| Columbia Management Investment Advisers, LLC | ||
| By: | /s/ Amy Johnson | |
| Name: Amy Johnson | ||
| Title: Chief Operating Officer | ||
| Columbia Select Large Cap Growth Fund | ||
| By: | /s/ Scott R. Plummer | |
| Name: Scott R. Plummer | ||
| Title: Senior Vice President, Secretary and Chief Legal Officer | ||
| Contact Information | ||
| Wade M. Voigt | ||
| Vice President – Fund Administration - Financial Reporting | ||
| Telephone: (612) 671-5682 | ||
Exhibit Index
| Exhibit I | Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company. | |
| Exhibit II | Joint Filing Agreement | |