- Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Expires: February 28, 2011 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

CRANN PAUL JR

2. Date of Event Requiring Statement (MM/DD/YYYY) 5/18/2010

3. Issuer Name and Ticker or Trading Symbol

BigBand Networks, Inc. [BBND]

(Last) (First) (Middle)

C/O BIGBAND NETWORKS, INC., 475 BROADWAY STREET

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

_____ Director _____ 10% Owner
___ X ___ Officer (give title below) _____ Other (specify below)
VP, Product Line Management /

(Street)

REDWOOD CITY, CA 94063

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

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)

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Employee Stock Option (right to buy)	11/1/2007 ⁽¹⁾	11/1/2016	Common Stock	72916	$5.28	D
Employee Stock Option (right to buy)	1/9/2008 ⁽²⁾	12/8/2017	Common Stock	34375	$5.49	D
Employee Stock Option (right to buy)	4/13/2008 ⁽²⁾	3/12/2018	Common Stock	24480	$5.98	D
Employee Stock Option (right to buy)	9/12/2008 ⁽²⁾	8/11/2018	Common Stock	30000	$4.56	D
Restricted Stock Units	⁽³⁾	⁽³⁾	Common Stock	15000	⁽⁴⁾	D
Restricted Stock Units	⁽⁵⁾	⁽⁵⁾	Common Stock	40075	⁽⁴⁾	D
Restricted Stock Units	⁽⁶⁾	⁽⁶⁾	Common Stock	16000	⁽⁴⁾	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 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.
( 4)	Each restricted stock unit represents a contingent right to receive one share of BBND common stock.
( 5)	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.
( 6)	The restricted stock units vest in six (6) 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.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
CRANN PAUL JR C/O BIGBAND NETWORKS, INC. 475 BROADWAY STREET REDWOOD CITY, CA 94063			VP, Product Line Management

Signatures
/s/ Paul Crann Jr. by Julia Dumperth, Attorney-in-Fact		6/8/2010
^** 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 control number.