Ho Chi Sing - 30 Sep 2025 SCHEDULE 13D/A Report for CASI Pharmaceuticals, Inc. Ordinary Shares, par value US$0.0001 per share (CASI)

Filing Manager
Ho Chi Sing
Reporting Manager
Zhou Quan
Security
CASI Pharmaceuticals, Inc. Ordinary Shares, par value US$0.0001 per share
Symbol
CASI
Shares outstanding
20,679,958 shares
Disclosed Ownership
992,638 shares
Ownership
4.8%
Form type
SCHEDULE 13D/A
Filing time
20 Jan 2026, 09:33:06 UTC
Date of event
30 Sep 2025
Previous filing
03 Feb 2025
SEC
View on sec.gov

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Quoteable Key Fact

"Ho Chi Sing disclosed 4.8% ownership in CASI Pharmaceuticals, Inc. Ordinary Shares, par value US$0.0001 per share (CASI) on 30 Sep 2025."

Quick Takeaways

  • Ho Chi Sing filed SCHEDULE 13D/A for CASI Pharmaceuticals, Inc. Ordinary Shares, par value US$0.0001 per share (CASI).
  • Disclosed ownership: 4.8%.
  • Date of event: 30 Sep 2025.

What Changed

  • Previous schedule filing date: 03 Feb 2025.
  • Current filing was accepted on 20 Jan 2026, 09:33.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
IDG-Accel China Growth Fund III L.P. 4.5% 915,850 855,222 60,628 /s/ Chi Sing Ho on behalf of IDG-Accel China Growth Fund GP III Associates Ltd., ultimate General Partner of IDG-Accel China Growth Fund III L.P. Chi Sing Ho / Authorized Signatory 0001508829
IDG-Accel China III Investors L.P. 4.5% 915,850 60,628 855,222 /s/ Chi Sing Ho on behalf of IDG-Accel China Growth Fund GP III Associates Ltd., General Partner of IDG-Accel China III Investors L.P. Chi Sing Ho / Authorized Signatory 0001550193
IDG-Accel China Growth Fund III Associates L.P. 4.5% 915,850 855,222 60,628 /s/ Chi Sing Ho on behalf of IDG-Accel China Growth Fund GP III Associates Ltd., General Partner of IDG-Accel China Growth Fund III Associates L.P. Chi Sing Ho / Authorized Signatory 0001550192
IDG-Accel China Growth Fund GP III Associates Ltd. 4.5% 915,850 915,850 0 /s/ Chi Sing Ho Chi Sing Ho / Authorized Signatory 0001564281
Ho Chi Sing 4.5% 915,850 0 915,850 /s/ Ho Chi Sing Ho Chi Sing 0001545806
Zhou Quan 4.8% 992,638 76,788 915,850 /s/ Quan Zhou Quan Zhou 0001491503

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