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SEC FORM 4 SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940 		 
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Acer Technology Ventures Management, LLC
(Last) (First) (Middle)
5201 GREAT AMERICA PARKWAY
SUITE 270
(Street)
SANTA CLARA CA 95054
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
IROBOT CORP [ IRBT ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
09/15/2006
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
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 09/15/2006 S 5,000 D $22 686,500 I See Footnote(1)
Common Stock 09/15/2006 S 10,000 D $22.64 676,500 I See Footnote(1)
Common Stock 1,658,136 I See Footnote(2)
Common Stock 48,000 I See Footnote(3)
Common Stock 2,000 I See Footnote(4)
Common Stock 4,000 I See Footnote(5)
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 Securities Underlying Derivative Security (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: 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
1. Name and Address of Reporting Person*
Acer Technology Ventures Management, LLC
(Last) (First) (Middle)
5201 GREAT AMERICA PARKWAY
SUITE 270
(Street)
SANTA CLARA CA 95054
(City) (State) (Zip)
1. Name and Address of Reporting Person*
IP Fund One, L.P.
(Last) (First) (Middle)
5201 GREAT AMERICA PARKWAY
SUIT 270
(Street)
SANTA CLARA CA 95054
(City) (State) (Zip)
1. Name and Address of Reporting Person*
Lai Teh-Tsung
(Last) (First) (Middle)
C/O ID AMERICA 1, LLC
5201 GREAT AMERICA PARKWAY
(Street)
SANTA CLARA CA 95054
(City) (State) (Zip)
1. Name and Address of Reporting Person*
iD America 1, LLC
(Last) (First) (Middle)
5201 GREAT AMERICA PARKWAY
SUITE 270
(Street)
SANTA CLARA CA 95054
(City) (State) (Zip)
1. Name and Address of Reporting Person*
Acer Technology Ventures Fund, L.P.
(Last) (First) (Middle)
5201 GREAT AMERICA PARKWAY
SUITE 270
(Street)
SANTA CLARA CA 95054
(City) (State) (Zip)
1. Name and Address of Reporting Person*
Lu James C
(Last) (First) (Middle)
C/O ACER TECHNOLOGY VENTURES MANAGEMENT
5201 GREAT AMERICA PARKWAY, SUITE 270
(Street)
SANATA CLARA CA 95054
(City) (State) (Zip)
1. Name and Address of Reporting Person*
iD6 Fund, L.P.
(Last) (First) (Middle)
5201 GREAT AMERICA PARKWAY
SUITE 270
(Street)
SANTA CLARA CA 95054
(City) (State) (Zip)
1. Name and Address of Reporting Person*
Acer Technology Ventures America, LLC
(Last) (First) (Middle)
5201 GREAT AMERICA PARKWAY
SUITE 270
(Street)
SANTA CLARA CA 95054
(City) (State) (Zip)
Explanation of Responses:
1. Consists of shares indirectly held by Acer Technology Ventures America, LLC as general partner for IP Fund One, L.P. The reporting persons disclaim beneficial ownership of such shares except to the extent of their pecuniary interest, if any, and this report shall not be deemed an admission that the reporting person are the beneficial owners of all of the reported shares for purposes of Section 16 or any other purpose.
2. Consists of shares held indirectly by James C. Lu as principal of Acer Technology Ventures Management, LLC and Acer Technology Ventures Management, LLC as general partner for Acer Technology Venutres Fund, L.P. The reporting persons disclaim beneficial ownership of such shares except to the extent of their pecuniary interest, if any, and this report shall not be deemed an admission that the reporting person are the beneficial owners of all of the reported shares for purposes of Section 16 or any other purpose.
3. Consists of shares indirectly held by Teh-Tsung Lai as principal of iD America 1, LLC and iD America 1, LLC as general partner for iD6 Fund, L.P. The reporting persons disclaim beneficial ownership of such shares except to the extent of their pecuniary interest, if any, and this report shall not be deemed an admission that the reporting person are the beneficial owners of all of the reported shares for purposes of Section 16 or any other purpose.
4. Consists of shares held directly by Teh-Tsung Lai.
5. Consists of shares held directly by James C. Lu.
Remarks:
(See signatures included in Exhibit 99.1) 09/18/2006
/s/ Glen D. Weinstein, Attorney-in-fact 11/15/2005
/s/ Glen D. Weinstein, Attorney-in-fact 11/15/2005
/s/ Glen D. Weinstein, Attorney-in-fact 11/15/2005
/s/ Glen D. Weinstein, Attorney-in-fact 11/15/2005
/s/ Glen D. Weinstein, Attorney-in-fact 11/15/2005
/s/ Glen D. Weinstein, Attorney-in-fact 11/15/2005
/s/ Glen D. Weinstein, Attorney-in-fact 11/15/2005
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
Exhibit 99.1

                             JOINT FILER INFORMATION

This statement on Form 4 is filed by Teh-Tsung Lai, James C. Lu, Acer Technology
Ventures Management, LLC, Acer Technology Ventures America, LLC, iD America 1,
LLC, Acer Technology Ventures Fund, L.P., IP Fund One, L.P., and iD6 Fund, L.P.
The principal business address of each of the reporting persons is 5201 Great
America Parkway, Suite 270, Santa Clara, California 95054. The reporting persons
disclaim beneficial ownership of the shares listed herein except to the extent
of their pecuniary interest, if any, and this report shall not be deemed an
admission that the reporting person is the beneficial owner of all of the
reported shares for purposes of Section 16 or any other purpose.

Designated Filer:                      Acer Technology Ventures Management, LLC
Issuer and Ticker Symbol:              iRobot Corporation ("IRBT")
Date of Event Requiring Statement:     September 15, 2006


/s/ Glen D. Weinstein, Attorney-in-fact
- -----------------------------------------
Teh-Tsung Lai


/s/ Glen D. Weinstein, Attorney-in-fact
- -----------------------------------------
James C. Lu


ACER TECHNOLOGY VENTURES MANAGEMENT, LLC

By:      /s/ Glen D. Weinstein
   --------------------------------------
Name:  Glen D. Weinstein
         Attorney-in-fact


ACER TECHNOLOGY VENTURES AMERICA, LLC

By:      /s/ Glen D. Weinstein
   --------------------------------------
Name:  Glen D. Weinstein
         Attorney-in-fact


Id america 1, llc

By:      /s/ Glen D. Weinstein
   --------------------------------------
Name:  Glen D. Weinstein
         Attorney-in-fact


ACER TECHNOLOGY VENTURES FUND, L.P.

By:  Acer Technology Ventures Management, LLC,
     as General Partner

By:      /s/ Glen D. Weinstein
   --------------------------------------
Name:  Glen D. Weinstein
         Attorney-in-fact


IP FUND ONE, L.P.

By:  Acer Technology Ventures America, LLC.,
     as General Partner

By:      /s/ Glen D. Weinstein
   --------------------------------------
Name:  Glen D. Weinstein
         Attorney-in-fact


ID6 FUND, L.P.

By: iD America 1, LLC,
     as General Partner

By:      /s/ Glen D. Weinstein
   --------------------------------------
Name:  Glen D. Weinstein
         Attorney-in-fact