Alex Wu Becomes CASI Pharma Insider; Initial Ownership Filing
Ticker: CASIF · Form: 3 · Filed: Mar 25, 2026 · CIK: 0001962738
Complexity: simple
Sentiment: neutral
Topics: insider-filing, form-3, new-insider, ownership-disclosure
TL;DR
**New insider Alex Wu just filed a Form 3 for CASI Pharma, watch for future ownership details!**
AI Summary
This Form 3 filing, dated March 25, 2026, indicates that Alex Wu has been identified as a reporting person for CASI Pharmaceuticals, Inc. (CIK: 0001962738). While the filing itself doesn't detail specific share ownership, a Form 3 is an initial statement, meaning Wu has become an insider (officer, director, or 10%+ owner). This matters to investors because insider activity can signal confidence or concern about the company's future, and future filings will show his actual holdings and transactions.
Why It Matters
This filing signals a new insider at CASI Pharmaceuticals, Inc., which could precede significant ownership disclosures or strategic shifts, impacting investor sentiment.
Risk Assessment
Risk Level: low — A Form 3 filing is purely informational about a new insider and does not inherently carry significant risk, but future transactions could.
Analyst Insight
Investors should monitor future Form 4 and Form 5 filings by Alex Wu to understand his actual ownership stake and any subsequent buying or selling activity, as this could provide insights into insider sentiment regarding CASI Pharmaceuticals, Inc.
Key Players & Entities
- Alex Wu (person) — Reporting Person for CASI Pharmaceuticals, Inc.
- CASI Pharmaceuticals, Inc. (company) — The Issuer of the securities
- 0001962738 (company) — CIK of CASI Pharmaceuticals, Inc.
- 0001570852 (person) — CIK of Alex Wu
Forward-Looking Statements
- Alex Wu will file a Form 4 or Form 5 in the future detailing his beneficial ownership or transactions in CASI Pharmaceuticals, Inc. securities. (Alex Wu) — high confidence, target: Within 10 days of any transaction (Form 4) or within 45 days after the company's fiscal year end (Form 5)
FAQ
What is the purpose of a Form 3 filing?
A Form 3 is an 'Initial statement of beneficial ownership of securities,' meaning it's filed when an individual first becomes an insider (officer, director, or beneficial owner of more than 10% of a class of a company's equity securities).
Who is the reporting person identified in this filing?
The reporting person identified in this filing is Alex Wu, with CIK 0001570852.
Which company is the issuer of the securities in this filing?
The issuer of the securities is CASI Pharmaceuticals, Inc., with CIK 0001962738.
What was the filing date and acceptance date for this Form 3?
The filing date for this Form 3 was 2026-03-25, and it was accepted on the same date at 07:36:36.
Does this Form 3 filing indicate how many shares Alex Wu owns?
No, a Form 3 filing itself does not detail the number of shares owned; it merely establishes that the individual has become an insider and will report their holdings and transactions in subsequent filings (Forms 4 or 5).
Filing Stats: 490 words · 2 min read · ~2 pages · Grade level 8.3 · Accepted 2026-03-25 07:36:36
Filing Documents
- tm269783-1_3seq1.html (3)
- tm269783-1_3seq1.xml (3) — 8KB
- 0001104659-26-034136.txt ( ) — 10KB
From the Filing
SEC FORM 3 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 OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response: 0.5 1. Name and Address of Reporting Person * Wu Alex (Last) (First) (Middle) 601 GATEWAY BLVD, SUITE 1250 (Street) SOUTH SAN FRANCISCO CALIFORNIA 94080 (City) (State) (Zip) UNITED STATES (Country) 2. Date of Event Requiring Statement (Month/Day/Year) 03/18/2026 3. Issuer Name and Ticker or Trading Symbol CASI Pharmaceuticals, Inc. [ CASIF ] 3a. Foreign Trading Symbol 5. If Amendment, Date of Original Filed (Month/Day/Year) 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below) 6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person 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) Ordinary Share 34,168 D 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 Option (right to buy) (1) 06/15/2031 Ordinary Share 11,045 $ 1.93 D Option (right to buy) (1) 05/25/2032 Ordinary Share 38,838 $ 1.93 D Option (right to buy) (1) 04/14/2033 Ordinary Share 11,753 $ 1.93 D Option (right to buy) (1) 06/18/2034 Ordinary Share 11,753 $ 2.67 D Option (right to buy) (1) 06/26/2034 Ordinary Share 20,000 $ 3.59 D Option (right to buy) (1) 07/21/2035 Ordinary Share 11,753 $ 1.26 D Explanation of Responses: 1. The options are fully vested and exercisable as of the date of this form. /s/ Alex Wu 03/24/2026 ** Signature of Reporting Person Date Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 5 (b)(v). ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number. * Form 3: SEC 1473 (03-26)