SCHEDULE Filed 2026-01-20 Event 2025-09-30 SEC 0000929638-26-000185 →

Ho Chi Sing → CASI Pharmaceuticals, Inc. CASIF

Stake: 4.80% Shares: 992,638 CUSIP: G1933S101 Class: Ordinary Shares, par value US$0.0001 per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

7 13D/G filings on this issuer

6 other filings besides this one

Filer Track Record

12 filings by this filer

11 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 18.20

144,504 shares short · 0.0% vs prior

Post-Filing Returns · since 2025-09-30 on CASIF

+1 day

+1.8%

+5 days

+10.2%

+30 days

-18.1%

+60 days

-40.4%

+90 days

-53.6%

+180 days

-90.4%

Anchor price 1.66 on closest trading day on/after 2025-09-30. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on CASI Pharmaceuticals, Inc.

Filed	Form	Filer	Stake	Shares
2026-05-18	SCHEDULE 13D/A	He Wei-Wu	—	23,985,535	view →
2026-01-29	SCHEDULE	He Wei-Wu	34.80%	8,965,535	view →
2026-01-20	SCHEDULE	SPARKLE BYTE LTD	5.00%	1,019,852	view →
2026-01-09	SCHEDULE	He Wei-Wu	19.10%	3,965,535	view →
2025-06-20	SCHEDULE	He Wei-Wu	23.80%	3,735,535	view →
2025-02-03	SCHEDULE	Ho Chi Sing	6.40%	992,638	view →

Other Filings by Ho Chi Sing

Filed	Form	Issuer	Stake	Shares
2025-02-03	SCHEDULE	CASI Pharmaceuticals, Inc. CASIF	6.40%	992,638	view →
2023-02-21	SC	CASI Pharmaceuticals, Inc.	—	—	view →
2022-02-01	SC	Fang Holdings Ltd SFUNY	—	—	view →
2021-06-28	SC	LightInTheBox Holding Co., Ltd. LITB	—	—	view →
2020-09-11	SC	Sky Solar Holdings, Ltd.	—	—	view →
2020-07-07	SC	Sky Solar Holdings, Ltd.	—	—	view →
2020-01-21	SC	Sky Solar Holdings, Ltd.	—	—	view →
2019-12-02	SC	Fang Holdings Ltd SFUNY	—	—	view →
2019-11-15	SC	Sky Solar Holdings, Ltd.	—	—	view →
2018-03-20	SC	CASI Pharmaceuticals, Inc.	—	—	view →
2018-02-13	SC	Sky Solar Holdings, Ltd.	—	—	view →

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