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* TRIDENT CAPITAL MANAGEMENT V LLC (Last) (First) (Middle) C/O TRIDENT CAPITAL 505 HAMILTON AVENUE, SUITE 200 (Street) PALO ALTO CA 94301 (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) 11/08/2005
	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	11/08/2005		C		105,443	A	(1)	105,443	I	See Footnote(2)
Common Stock	11/08/2005		C		94,460	A	(1)	94,460	I	See Footnote(3)
Common Stock	11/08/2005		C		524	A	(1)	524	I	See Footnote(4)
Common Stock	11/08/2005		C		549	A	(1)	549	I	See Footnote(5)
Common Stock	11/08/2005		C		2,734	A	(1)	2,734	I	See Footnote(6)
Common Stock	11/08/2005		C		7,176	A	(1)	7,176	I	See Footnote(7)
Common Stock	11/08/2005		S		105,443	D	$24	0	I	See Footnote(2)
Common Stock	11/08/2005		S		94,460	D	$24	0	I	See Footnote(3)
Common Stock	11/08/2005		S		524	D	$24	0	I	See Footnote(4)
Common Stock	11/08/2005		S		549	D	$24	0	I	See Footnote(5)
Common Stock	11/08/2005		S		2,734	D	$24	0	I	See Footnote(6)
Common Stock	11/08/2005		S		7,176	D	$24	0	I	See Footnote(7)

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
Series E Preferred Stock	(1)	11/08/2005		C			105,443	(1)	(1)	Common Stock	105,443	$0.00	1,933,184	I	See Footnote(2)
Series E Preferred Stock	(1)	11/08/2005		C			94,460	(1)	(1)	Common Stock	94,460	$0.00	1,731,817	I	See Footnote(3)
Series E Preferred Stock	(1)	11/08/2005		C			524	(1)	(1)	Common Stock	524	$0.00	9,605	I	See Footnote(4)
Series E Preferred Stock	(1)	11/08/2005		C			549	(1)	(1)	Common Stock	549	$0.00	10,605	I	See Footnote(5)
Series E Preferred Stock	(1)	11/08/2005		C			2,734	(1)	(1)	Common Stock	2,734	$0.00	50,125	I	See Footnote(6)
Series E Preferred Stock	(1)	11/08/2005		C			7,176	(1)	(1)	Common Stock	7,176	$0.00	131,572	I	See Footnote(7)

1. Name and Address of Reporting Person* TRIDENT CAPITAL MANAGEMENT V LLC (Last) (First) (Middle) C/O TRIDENT CAPITAL 505 HAMILTON AVENUE, SUITE 200 (Street) PALO ALTO CA 94301 (City) (State) (Zip)

1. Name and Address of Reporting Person* TRIDENT CAPITAL FUND V AFFILIATES FUND LP (Last) (First) (Middle) C/O TRIDENT CAPITAL 505 HAMILTON AVENUE, SUITE 200 (Street) PALO ALTO CA 94301 (City) (State) (Zip)

1. Name and Address of Reporting Person* TRIDENT CAPITAL FUND V PRINCIPALS FUND L P (Last) (First) (Middle) C/O TRIDENT CAPITAL 505 HAMILTON AVENUE, SUITE 200 (Street) PALO ALTO CA 94301 (City) (State) (Zip)

1. Name and Address of Reporting Person* TRIDENT CAPITAL FUND V LP (Last) (First) (Middle) C/O TRIDENT CAPITAL 505 HAMILTON AVENUE, SUITE 200 (Street) PALO ALTO CA 34301 (City) (State) (Zip)

1. Name and Address of Reporting Person* TRIDENT CAPITAL PARALLEL FUND V CV (Last) (First) (Middle) C/O TRIDENT CAPITAL 505 HAMILTON AVENUE, SUITE 200 (Street) PALO ALTO CA 94301 (City) (State) (Zip)

1. Name and Address of Reporting Person* TRIDENT CAPITAL FUND V AFFILIATES FUND Q LP (Last) (First) (Middle) C/O TRIDENT CAPITAL 505 HAMILTON AVENUE, SUITE 200 (Street) PALO ALTO CA 94301 (City) (State) (Zip)

Explanation of Responses:

1. The preferred stock is convertible at any time, at the holder's election, on a one-for-one basis and has no expiration date.

2. Consists of shares held indirectly by Trident Capital Management-V, L.L.C. as sole general partner of Trident Capital Fund-V, L.P., Trident Capital Fund-V Affiliates Fund, L.P., Trident Capital Fund-V Affiliates Fund (Q), L.P., and Trident Capital Fund-V Principals Fund, L.P. and the sole investment general partner of Trident Capital Parallel Fund-V, C.V. and may be deemed to share voting and investment power with respect to all shares held by those entities. Trident Capital Management-V, L.L.C. disclaims beneficial ownership of the reported securities except to the extent of its 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.

3. Consists of shares owned by Trident Capital Fund-V, L.P.

4. Consists of shares owned by Trident Capital Fund-V Affiliates Fund (Q), L.P.

5. Consists of shares owned by Trident Capital Fund-V Affiliates Fund, L.P.

6. Consists of shares owned by Trident Capital Fund-V Principals Fund, L.P.

7. Consists of shares owned by Trident Capital Parallel Fund-V, C.V.

Remarks:

	/s/ Peter T. Meekin, Managing Director, Trident Capital Management V, L.L.C.	11/10/2005
	/s/ Peter T. Meekin, Managing Director, Trident Capital Fund-V Affiliates Fund, L.P.	11/10/2005
	/s/ Peter T. Meekin, Managing Director, Trident Capital Fund-V Principals Fund, L.P.	11/10/2005
	/s/ Peter T. Meekin, Managing Director, Trident Capital Fund-V, L.P.	11/10/2005
	/s/ Peter T. Meekin, Managing Director, Trident Capital Parallel Fund-V, C.V.	11/10/2005
	/s/ Peter T. Meekin, Mananging Director, Trident Capital Fund-V Affiliates Fund (Q), L.P.	11/10/2005
	** 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).
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