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

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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^*

Lockwood David James

(Last)

(First)

(Middle)

435 PACIFIC AVENUE

4TH FLOOR

(Street)

SAN FRANCISCO

94133

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
BigBand Networks, Inc. [ BBND ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2011

4. If Amendment, Date of 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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/18/2011		M		3,200⁽¹⁾	A	$0	3,200	D⁽²⁾⁽³⁾
Common Stock	08/18/2011		J⁽⁴⁾		3,200	D	$0	0	D⁽²⁾⁽³⁾

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽⁵⁾	08/18/2011		M		3,200		⁽⁶⁾	⁽⁶⁾	Common Stock	3,200	$0	9,600	D⁽²⁾⁽³⁾

Explanation of Responses:

1. Represents Restricted Stock Units that were awarded to David Lockwood as an outside director of the Issuer. These RSUs vested on August 18, 2011.

2. Under an agreement with ValueAct SmallCap, David Lockwood is deemed to hold the stock for the benefit of ValueAct SmallCap Master Fund, L.P. and indirectly for (i) VA SmallCap Partners, LLC as the General Partner of ValueAct SmallCap Master Fund, L.P., (ii) ValueAct SmallCap Management, L.P. as the manager of ValueAct SmallCap Master Fund, L.P. and (iii) ValueAct SmallCap Management, LLC as the General Partner of ValueAct SmallCap Management, L.P.

3. Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

4. David Lockwood transferred direct ownership of the reported stock to ValueAct SmallCap Master Fund, L.P. in a transaction not involving any consideration in accordance with his agreement with ValueAct SmallCap described in (2) above.

5. Each restricted stock unit represents a contingent right to receive one share of BBND common stock.

6. The restricted stock units vest in four (4) equal quarterly installments beginning on August 18, 2011. Vested shares will be delivered to the reporting person on or about each such vesting date.

	/s/ David J. Lockwood, Managing Member, VA SmallCap Partners, LLC	08/22/2011
	** 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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