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* ABG Management Ltd (Last) (First) (Middle) UNIT 3002-3004, 30TH FLOOR, GLOUCESTER TOWER, THE LANDMARK, CENTRAL (Street) HONG KONG K3 00000 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Sorrento Therapeutics, Inc. [ SRNE ]	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) 01/05/2017
	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	01/05/2017		J		397,853	A	(1)(2)	397,853	I	Through ABG II-SO Limited(3)(4)(5)
Common Stock	01/05/2017		J		1,441,441	A	(1)(2)	1,441,441	I	Through Ally Bridge LB Healthcare Master Fund Limited(3)(4)(6)
Common Stock	01/05/2017		J		3,243,242	A	(1)(2)	3,243,242	I	Through ABG SRNE Limited(3)(4)(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
Warrants	$8.5							(8)	05/31/2019	Common Stock	432,432		432,432	I	Through Ally Bridge LB Healthcare Master Fund Limited(1)(2)(3)(4)(6)
Warrants	$8.5							(8)	05/31/2019	Common Stock	432,432		432,432	I	Through ABG SRNE Limited(1)(2)(3)(4)(7)
Warrants	$8.5							(9)	06/07/2019	Common Stock	540,540		540,540	I	Through ABG SRNE Limited(1)(2)(3)(4)(7)

1. Name and Address of Reporting Person* ABG Management Ltd (Last) (First) (Middle) UNIT 3002-3004, 30TH FLOOR, GLOUCESTER TOWER, THE LANDMARK, CENTRAL (Street) HONG KONG K3 00000 (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* ABG SRNE Ltd (Last) (First) (Middle) UNIT 3002-3004, 30TH FLOOR, GLOUCESTER TOWER, THE LANDMARK, CENTRAL (Street) HONG KONG K3 00000 (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* Ally Bridge Group Capital Partners II, L.P. (Last) (First) (Middle) UNIT 3002-3004, 30TH FLOOR, GLOUCESTER TOWER, THE LANDMARK, CENTRAL (Street) HONG KONG K3 00000 (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* ABG II-SO Ltd (Last) (First) (Middle) UNIT 3002-3004, 30TH FLOOR, GLOUCESTER TOWER, THE LANDMARK, CENTRAL (Street) HONG KONG K3 00000 (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* Ally Bridge LB Healthcare Master Fund Ltd (Last) (First) (Middle) UNIT 3002-3004, 30TH FLOOR, GLOUCESTER TOWER, THE LANDMARK, CENTRAL (Street) HONG KONG K3 00000 (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* Ally Bridge LB Management Ltd (Last) (First) (Middle) UNIT 3002-3004, 30TH FLOOR, GLOUCESTER TOWER, THE LANDMARK, CENTRAL (Street) HONG KONG K3 00000 (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* Ally Bridge Group Innovation Capital Partners III, L.P. (Last) (First) (Middle) UNIT 3002-3004, 30TH FLOOR, GLOUCESTER TOWER, THE LANDMARK, CENTRAL (Street) HONG KONG K3 00000 (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* Yu Fan (Last) (First) (Middle) UNIT 3002-3004, 30TH FLOOR, GLOUCESTER TOWER, THE LANDMARK, CENTRAL (Street) HONG KONG K3 00000 (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* Li Bin (Last) (First) (Middle) UNIT 3002-3004, 30TH FLOOR, GLOUCESTER TOWER, THE LANDMARK, CENTRAL (Street) HONG KONG K3 00000 (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. The Reporting Persons are making this joint, single filing because they may be deemed to constitute a "group" within the meaning of Section 13(d)(3) of the Securities Exchange Act 1934 as amended (the "Act"). According to a Form 8-K filing by the Issuer on January 5, 2017, the Issuer consummated a transaction that involved (i) the cancellation of warrants to purchase an aggregate of 1,137,316 shares of Common Stock (the "Warrants") and cancellation of secured promissory notes in an aggregate principal amount of $53,502,315 that were issued to the Issuer, of which $43,502,315 in aggregate principal amount was outstanding as of December 31, 2016 (the "Notes") and (ii) forfeiture of 7,838,259 shares of Common Stock (the "Shares") which were returned to the Issuer.

2. Prior to the forfeiture of the Shares and the cancellation of the Warrants and Notes, the Issuer had 58,721,115 Shares outstanding and warrants to purchase an aggregate of 7,070,314 shares of Common Stock outstanding. The Issuer now has 50,882,856 Shares outstanding and warrants to purchase an aggregate of 5,932,998 shares of Common Stock outstanding. As a result of this transaction, the Reporting Persons' (defined below) collective ownership of the Issuer's securities have increased.

3. The Form 4 is filed by and on behalf of each of the following persons (each a "Reporting Person"): (i) ABG II-SO Limited ("ABG II-SO"), a British Virgin Islands limited company, (ii) Ally Bridge Group Capital Partners II, L.P., a Cayman Islands limited partnership, (iii) Ally Bridge LB Healthcare Master Fund Limited ("ABG LB"), a Cayman Islands limited company, (iv) Ally Bridge LB Management Limited, a Cayman Islands limited company, (v) ABG SRNE Limited ("ABG SRNE"), a British Virgin Islands limited company, (vi) Ally Bridge Group Innovation Capital Partners III, L.P., a Cayman Islands limited company, (vii) ABG Management Ltd., a Cayman Islands limited partnership, (viii) Mr. Fan Yu, a director of ABG LB and a shareholder and director of Ally Bridge LB Management Limited, and the sole shareholder and director of ABG Management Ltd., and (ix) Mr. Bin Li, a director and executive officer of ABG LB and a shareholder and director of Ally Bridge LB Management Limited.

4. Each Reporting Person states that neither the filing of this statement nor anything herein shall be deemed an admission that such person is, for the purpose of Section 16 of the Act or otherwise, the beneficial owner of any securities covered by this statement. Each Reporting Person disclaims beneficial ownership of the securities covered by this statement, except to the extent of the pecuniary interest of such person in such securities.

5. ABG II-SO directly owns 397,853 shares of common stock of the Issuer. The following Reporting Persons may be deemed to beneficially own such securities: (i) Ally Bridge Group Capital Partners II, L.P., as parent of ABG II-SO, (ii) ABG Management Ltd., as manager of Ally Bridge Group Capital Partners II, L.P., and (iii) Mr. Fan Yu, as sole shareholder and director of ABG Management Ltd.

6. ABG LB directly owns (i) 1,441,441 shares of common stock of the Issuer and (ii) warrants to purchase 432,432 shares of common stock of the Issuer. The following Reporting Persons may be deemed to beneficially own such securities: (i) Ally Bridge LB Management Limited, as manager of ABG LB, (ii) Mr. Fan Yu, as a shareholder and director of Ally Bridge LB Management Limited, and (iii) Mr. Bin Li, as a shareholder and director of Ally Bridge LB Management Limited.

7. ABG SRNE directly owns (i) 3,243,242 shares of common stock of the Issuer and (ii) warrants to purchase 972,972 shares of common stock of the Issuer. The following Reporting Persons may be deemed to beneficially own such securities: (i) Ally Bridge Group Innovation Capital Partners III, L.P., as owner of the sole voting share of ABG SRNE, (ii) ABG Management Ltd., as manager of Ally Bridge Group Innovation Capital Partners III, L.P., and (iii) Mr. Fan Yu, as sole shareholder and director of ABG Management Ltd.

8. The warrants are exercisable at any time on or after May 31, 2016.

9. The warrants are exercisable at any time on or after June 7, 2016.

	/s/ Yu Fan on behalf of himself and each other reporting person	01/09/2017
	** Signature of Reporting Person	Date
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