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

OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response: 0.5

1. Name and Address of Reporting Person* B. Riley Financial, Inc. (Last) (First) (Middle) 21255 BURBANK BLVD., SUITE 400 (Street) WOODLAND HILLS CA 91367 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 05/09/2019	3. Issuer Name and Ticker or Trading Symbol SONIM TECHNOLOGIES INC [ SONM ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. 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 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	1,139,085	D
Common Stock	1,073,658	I	By BRC Partners Opportunity Fund, L.P.(1)

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)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Convertible Promissory Note (right to buy)	04/09/2018	09/01/2022	Common Stock	1,099,278	$8.87	I	By B. Riley Principal Investments, LLC(1)

1. Name and Address of Reporting Person* B. Riley Financial, Inc. (Last) (First) (Middle) 21255 BURBANK BLVD., SUITE 400 (Street) WOODLAND HILLS CA 91367 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* BRC Partners Opportunity Fund, LP (Last) (First) (Middle) 11100 SANTA MONICA BLVD., SUITE 800 (Street) LOS ANGELES CA 90025 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* B. RILEY CAPITAL MANAGEMENT, LLC (Last) (First) (Middle) 21255 BURBANK BLVD., SUITE 400 (Street) WOODLAND HILLS CA 91367 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* BRC Partners Management GP, LLC (Last) (First) (Middle) 11100 SANTA MONICA BLVD., SUITE 800 (Street) LOS ANGELES CA 90025 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* B. RILEY PRINCIPAL INVESTMENTS, LLC (Last) (First) (Middle) 11100 SANTA MONICA BLVD., SUITE 800 (Street) LOS ANGELES CA 90025 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* RILEY BRYANT R (Last) (First) (Middle) 21255 BURBANK BLVD., SUITE 400 (Street) WOODLAND HILLS CA 91367 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. BRC Partners Management GP, LLC is the general partner of BRC Partners Opportunity Fund, LP. B. Riley Asset Management, a division of B. Riley Capital Management, LLC, is the investment manager of BRC Partners Opportunity Fund, LP. B. Riley Capital Management, LLC is the sole member of BRC Partners Management GP, LLC and a wholly-owned subsidiary of B. Riley Financial, Inc. Bryant Riley, as Chief Executive Officer of B. Riley Capital Management, LLC and Chairman and Co-Chief Executive Officer of B. Riley Financial, Inc., has voting and dispositive power over the shares held by BRC Partners Opportunity Fund, L.P. and B. Riley Financial, Inc. B. Riley Principal Investments, LLC is a wholly-owned subsidiary of B. Riley Financial, Inc. Each reporting person disclaims beneficial ownership of the securities of the Issuer reported herein held indirectly except to the extent of such person's pecuniary interest therein.

Remarks:

	B. Riley Financial, Inc., by: /s/ Bryant R. Riley, Co-Chief Executive Officer	05/09/2019
	BRC Partners Opportunity Fund, L.P., by: /s/ Bryant R. Riley, Chief Investment Officer	05/09/2019
	B. Riley Capital Management, LLC, by: /s/ Bryant R. Riley, Chief Executive Officer	05/09/2019
	BRC Partners Management GP, LLC, by: /s/ B Riley Capital Management, LLC, its sole member, by: /s/ Bryant R. Riley, Chief Executive Officer	05/09/2019
	B. Riley Principal Investments, LLC, by: /s/ Kenney Young, Chief Executive Officer	05/09/2019
	/s/ Bryant R. Riley	05/09/2019
	** 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.