13D Filing: Sparkle Byte Ltd Discloses Activist Stake in Casi Pharmaceuticals, Inc. (CASI)

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Page 8 of 24 SEC Filing

  CUSIP No. 14757U 109 13D
1.

NAME OF REPORTING PERSON

Fei Yang

2.

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)

(a) 
(b)
☐   

3. SEC USE ONLY
4.

SOURCE OF FUNDS

AF

5. CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
6.

CITIZENSHIP OR PLACE OF ORGANIZATION

P.R. China

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

7.

SOLE VOTING POWER

0

8.

SHARED VOTING POWER

5,693,892 (1)

9.

SOLE DISPOSITIVE POWER

0

10.

SHARED DISPOSITIVE POWER

5,693,892 (1)

11.

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

5,693,892

12.

CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
(See Instructions)

13.

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

13.6% (2)

14.

TYPE OF REPORTING PERSON (See Instructions)

IN

(1) Sparkle Byte Limited is the record owners of these shares. The
Reporting Person is a 25% shareholder of He Xie Ai Qi Investment Management (Beijing) Co., Ltd, the general partner of Tianjin
Jingran Management Center (Limited Partnership). Tianjin Jingran Management Center (Limited Partnership) holds 100% equity interest
of Snow Moon Limited, which in turn holds 100% equity interest of Sparkle Byte Limited. By virtue of this affiliation, the Reporting
Person may be deemed to share voting and dispositive power with respect to these shares.

(2) Percentage calculated based on 41,843,406 total outstanding
shares of the common stock of the Issuer, including 5,693,892 shares issued or issuable pursuant to the transactions disclosed
in this Schedule 13D.

8

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