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* IDG-Accel China Growth Fund III L.P. (Last) (First) (Middle) UNIT 5505, THE CENTRE, 99 QUEEN'S ROAD, CENTRAL (Street) K3 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 04/30/2012	3. Issuer Name and Ticker or Trading Symbol CASI Pharmaceuticals, Inc. [ CASI ]
		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	4,118,730	D(1)(2)
Common Stock	291,989	I(3)	See Explanation of Responses(3)

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
Warrant	07/29/2012	07/29/2017	Common Stock	812,000	$1.4	D(1)(2)
Warrant	07/29/2012	07/29/2017	Common Stock	57,565	$1.4	I(3)	See Explanation of Responses(3)

1. Name and Address of Reporting Person* IDG-Accel China Growth Fund III L.P. (Last) (First) (Middle) UNIT 5505, THE CENTRE, 99 QUEEN'S ROAD, CENTRAL (Street) K3 (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* IDG-Accel China III Investors L.P. (Last) (First) (Middle) UNIT 5505, THE CENTRE, 99 QUEEN'S ROAD, CENTRAL (Street) K3 (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* IDG-Accel China Growth Fund III Associates L.P. (Last) (First) (Middle) UNIT 5505, THE CENTRE, 99 QUEEN'S ROAD, CENTRAL (Street) K3 (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* IDG-Accel China Growth Fund GP III Associates Ltd. (Last) (First) (Middle) UNIT 5505, THE CENTRE, 99 QUEEN'S ROAD, CENTRAL (Street) K3 CA 94301 (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* Ho Chi Sing (Last) (First) (Middle) UNIT 5505, THE CENTRE, 99 QUEEN'S ROAD, CENTRAL (Street) K3 (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* Zhou Quan (Last) (First) (Middle) UNIT 5505, THE CENTRE, 99 QUEEN'S ROAD, CENTRAL (Street) K3 (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. These securities are directly owned by IDG-Accel China Growth Fund III L.P. ("IDG-Accel Growth") and may be deemed to be indirectly beneficially owned by the other reporting persons. IDG-Accel China Growth Fund III Associates L.P. ("IDG-Accel Associates") is the general partner of IDG-Accel Growth. IDG-Accel China Growth Fund GP III Associates Ltd. ("IDG-Accel GP") is the general partner of both IDG-Accel Associates and IDG-Accel China III Investors L.P. ("IDG-Accel Investors"). Chi Sing Ho and Quan Zhou are shareholders and directors of IDG-Accel GP.

2. Pursuant to a convertible note and warrant purchase agreement dated as of January 20, 2012 by and among the Issuer and certain investors (the "Purchase Agreement"), IDG-Accel Growth purchased a subordinated mandatorily convertible note and a warrant of the Issuer, with the conversion of the note and the exercise of the warrant subject to the approval of the shareholders of the Issuer (the "Shareholder Approval"). On April 30, 2012, the Shareholder Approval was obtained. On May 1, 2012, the note was converted into 4,118,730 shares of common stock and the warrant for 812,000 shares of common stock became exercisable as of July 29, 2012.

3. These securities are directly owned by IDG-Accel Investors and may be deemed to be indirectly beneficially owned by the other reporting persons. Pursuant to the Purchase Agreement, IDG-Accel Investors purchased a subordinated mandatorily convertible note and a warrant, with the conversion of the note and the exercise of the warrant subject to the Shareholder Approval. On April 30, 2012, the Shareholder Approval was obtained. On May 1, 2012, the note was converted into 291,989 shares of common stock and the warrant for 57,565 shares of common stock became exercisable as of July 29, 2012. The filing of this statement by the reporting persons shall not be deemed an admission that such persons are, for purposes of Section 16 of the Securities and Exchange Act of 1934 or otherwise, the beneficial owner of any equity securities covered by this statement.

	/s/ Chi Sing Ho, Director of IDG-Accel China Growth Fund GP III Associates Ltd., the ultimate general partner of IDG-Accel China Growth Fund III L.P., on behalf of IDG-Accel China Growth Fund III L.P.	01/27/2016
	/s/ Chi Sing Ho, Director of IDG-Accel China Growth Fund GP III Associates Ltd., the general partner of IDG-Accel China III Investors L.P., on behalf of IDG-Accel China III Investors L.P.	01/27/2016
	/s/ Chi Sing Ho, Director of IDG-Accel China Growth Fund GP III Associates Ltd., the general partner of IDG-Accel China Growth Fund III Associates L.P., on behalf of IDG-Accel China Growth Fund III Associates L.P.	01/27/2016
	/s/ Chi Sing Ho, Director, on behalf of IDG-Accel China Growth Fund GP III Associates Ltd.	01/27/2016
	/s/ Quan Zhou	01/27/2016
	/s/ Chi Sing Ho	01/27/2016
	** Signature of Reporting Person	Date
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