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Filing Details

Accession Number:: 0001209191-10-025515
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-05-05 13:00:00
Reporting Period:: 2010-05-03

Filing Date:: 2010-05-05
Accepted Time:: 2010-05-05 17:42:35
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1130258	Acme Packet Inc	APKT	Computer Communications Equipment (3576)	043526641

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1314483	Robert Hower	1000 Winter Street Suite 3700 Waltham MA 02451		Yes	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2010-05-03	407	$0.00	27,026	No	4	J	Direct
Common Stock	Disposition	2010-05-04	3,259	$26.50	0	No	4	S	Indirect	By fund

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	J	Direct
No	4	S	Indirect	By fund

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	0	Indirect	By fund
Common Stock	0	Indirect	By fund
Common Stock	0	Indirect	By fund
Common Stock	3,259	Indirect	By fund

Footnotes

Represents a change in the form of beneficial ownership from indirect to direct by virtue of a pro-rata distribution of Common Stock by ATV Associates VII, L.L.C. ("ATV Associates"). Such shares were received by ATV Associates by virtue of pro-rata distributions of Common Stock by Advanced Technology Ventures VII, L.P. ("ATV VII"), Advanced Technology Ventures VII (B), L.P. ("ATV VII(B)"), Advanced Technology Ventures VII (C), L.P. ("ATV VII(C)") and ATV Entrepeneurs VII, L.P. ("ATVE VII"), effected on May 3, 2010. ATV Associates serves as the sole general partner of each of ATV VII, ATV VII(B), ATV VII(C) and ATVE VII. Mr. Hower is a Managing Director of ATV Associates.
Not applicable.
0 shares have been retained by ATV VII after the pro-rata distribution of 552,251 shares of Common Stock, effected on May 3, 2010. The reporting person disclaims beneficial ownership of the shares reported herein, except to the extent of his pecuniary interest therein.
0 shares have been retained by ATV VII(B) after the pro-rata distribution of 22,161 shares of Common Stock, effected on May 3, 2010. The reporting person disclaims beneficial ownership of the shares reported herein, except to the extent of his pecuniary interest therein.
0 shares have been retained by ATV VII(C) after the pro-rata distribution of 10,652 shares of Common Stock, effected on May 3, 2010. The reporting person disclaims beneficial ownership of the shares reported herein, except to the extent of his pecuniary interest therein.
3,259 shares have been retained by ATVE VII after the pro-rata distribution of 33 shares of Common Stock, effected on May 3, 2010. The reporting person disclaims beneficial ownership of the shares reported herein, except to the extent of his pecuniary interest therein.
The reported securities are owned directly by ATVE VII and indirectly by ATV Associates as general partner of ATVE VII. Voting and dispositive decisions of ATV Associates are made by a board of six managing directors, including Mr. Hower. Mr. Hower disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.