XFRA:M5W Insider Activity 4 Filing - 3/5/2012

Effective Date 3/5/2012

FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
MELAMPY PATRICK J
  2. Issuer Name and Ticker or Trading Symbol
ACME PACKET INC [APKT]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Technology Officer
(Last)
(First)
(Middle)
C/O ACME PACKET, INC., 100 CROSBY DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
03/05/2012
(Street)

BEDFORD, MA 01730
4. If Amendment, Date Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 03/05/2012   S(1)   23,500 D $28.8662(2) 2,843,970 D  
Common Stock 03/05/2012   S(1)   6,500 D $29.7449(3) 2,837,470 D  
Common Stock 03/06/2012   S(1)   18,300 D $27.23(4) 2,819,170 D  
Common Stock 03/06/2012   S(1)   11,700 D $27.9752(5) 2,807,470 D  
Common Stock               1,212,000 I By the MeLampy Lawrence Family Trust(6)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MELAMPY PATRICK J
C/O ACME PACKET, INC.
100 CROSBY DRIVE
BEDFORD, MA 01730
  X     Chief Technology Officer  

Signatures

 /s/ Tim Demakis, as attorney-in-fact   03/07/2012
** Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Sales were made pursuant to 10b5-1 plans entered into by the reporting person.
(2) This price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $28.54 to $29.49. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
(3) This price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $29.56 to $30.18. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
(4) This price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $26.62 to $27.61. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
(5) This price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $27.62 to $28.44. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
(6) Shares held by the MeLampy-Lawrence Family Trust for the benefit of the reporting person's minor children. The reporting person's spouse is a trustee of the MeLampy-Lawrence Family Trust, and the reporting person may be deemed to have a pecuniary interest in these shares. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for the purpose of Section 16 or for any other purpose.

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XFRA:M5W Insider Activity 4 Filling

XFRA:M5W Stock - Get Insider Activity SEC Filing of XFRA:M5W stocks, including company profile, shares outstanding, strategy, business segments, operations, officers, consolidated financial statements, financial notes and ownership information.

XFRA:M5W Insider Activity 4 Filing - 3/5/2012
Name |  Ticker |  Star Rating |  Market Cap |  Stock Type |  Sector |  Industry Star Rating |  Investment Style |  Total Assets |  Category |  Top Holdings |  Top Sectors |  Symbol |  Title Star Rating |  Category |  Total Assets |  Top Holdings |  Top Sectors |  Symbol |  Name Title |  Date |  Author |  Collection |  Interest |  Popularity Topic |  Sector |  Key Indicators |  User Interest |  Market Cap |  Industry Name |  Ticker |  Star Rating |  Market Cap |  Stock Type |  Sector |  Industry Star Rating |  Investment Style |  Total Assets |  Category |  Top Holdings |  Top Sectors |  Symbol / Ticker |  Title Star Rating |  Category |  Total Assets |  Symbol / Ticker |  Name Title |  Date |  Author |  Collection |  Popularity |  Interest Title |  Date |  Company |  Symbol |  Interest |  Popularity Topic |  Sector |  Key Indicators |  User Interest |  Market Cap |  Industry Name |  Ticker |  Popularity |  Our Choices Title |  Date |  Company |  Symbol |  Interest |  Popularity

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