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

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  CUSIP No. 14757U 109 13D
1.

NAME OF REPORTING PERSON

Tianjin Jingran Management Center (Limited Partnership)

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

5,693,892 (1)

8.

SHARED VOTING POWER

0

9.

SOLE DISPOSITIVE POWER

5,693,892 (1)

10.

SHARED DISPOSITIVE POWER

0

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)

PN

(1) The record owner of these shares is Sparkle Byte Limited. By
virtue of holding 100% of the equity interest of Snow Moon Limited, which in turn holds 100% of the equity interest of Sparkle
Byte Limited, the Reporting Person may be deemed to have sole voting and dispositive power with respect to these shares. By virtue
of being the general partner of the Reporting Person, He Xie Ai Qi Investment Management (Beijing) Co., Ltd. may be deemed to have
sole voting and dispositive power with respect to these shares. By virtue of being the shareholders and/or directors of He Xie
Ai Qi Investment Management (Beijing) Co., Ltd., Jianguang Li, Dongliang Lin, Fei Yang, Suyang Zhang and Hugo Shong may be deemed
to have shared 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.

4

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