SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Narula Ravi

(Last)

(First)

(Middle)

C/O BIGBAND NETWORKS, INC.

475 BROADWAY STREET

(Street)

REDWOOD CITY

94063

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
05/02/2010

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

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

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	8,773	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (right to buy)	07/18/2006⁽¹⁾	09/05/2015	Common Stock	5,951	$1.88	D
Stock Option (right to buy)	12/01/2006⁽²⁾	10/31/2016	Common Stock	11,250	$5.28	D
Stock Option (right to buy)	11/08/2007⁽²⁾	10/07/2017	Common Stock	4,500	$6.45	D
Stock Option (right to buy)	01/09/2008⁽²⁾	12/08/2017	Common Stock	25,000	$5.49	D
Stock Option (right to buy)	09/12/2008⁽²⁾	08/11/2018	Common Stock	30,000	$4.56	D
Restricted Stock Units	05/23/2009⁽³⁾	05/23/2011	Common Stock	3,484	$0.00	D
Restricted Stock Units	02/13/2009⁽⁴⁾	02/13/2012	Common Stock	3,750	$0.00	D
Restricted Stock Units	06/11/2009⁽⁵⁾	06/11/2010	Common Stock	6,250	$0.00	D
Restricted Stock Units	11/19/2009⁽⁶⁾	05/19/2013	Common Stock	30,534	$0.00	D
Restricted Stock Units	08/24/2010⁽⁷⁾	02/24/2013	Common Stock	34,000	$0.00	D

Explanation of Responses:

1. The option vests at the rate of 25% of the shares subject to the option on the first anniversary of the date of grant, and 1/48th of the shares subject to the option each month thereafter, subject to the reporting person's continued service to the company.

2. The option vests at the rate of 1/48th of the shares subject to the option each month following the date of grant, subject to the reporting person's continued service to the company.

3. The restricted stock units vest as to 50% of the underlying shares on May 23, 2009, and 50% of the remaining shares each year thereafter. Vested shares will be delivered to the reporting person on or about each such vesting date.

4. The restricted stock units vest in four (4) equal annual installments beginning on February 13, 2009. Vested shares will be delivered to the reporting person on or about each such vesting date.

5. The restricted stock units vest in two (2) equal annual installments beginning on June 11, 2009. Vested shares will be delivered to the reporting person on or about each such vesting date.

6. The restricted stock units vest in eight (8) equal semi-annual installments beginning on November 19, 2009. Vested shares will be delivered to the reporting person on or about each such vesting date.

7. The restricted stock units vest in six (6) equal semi-annual installments beginning on August 24, 2010. Vested shares will be delivered to the reporting person on or about each such vesting date.

Remarks:

	/s/ Ravi Narula	05/06/2010
	** 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 5 (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.