[Form 3] QUANTUM CORP /DE/ Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Clancy James C, listed as a director of Quantum Corp (QMCO), filed an initial Form 3 reporting the 08/02/2025 event date. The filing states no securities are beneficially owned by the reporting person. The form was executed by attorney-in-fact Tara Ilges on 09/17/2025 and includes Exhibit 24, a power of attorney.

Positive

• Initial Form 3 filed for Clancy James C as required under Section 16
• Reporting role is explicit: listed as a director of Quantum Corp (QMCO)
• Filing states no beneficial ownership, clearly indicating no equity or derivative positions to report
• Exhibit 24 (Power of Attorney) included and filing executed by attorney-in-fact Tara Ilges

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Director Clancy filed an initial Form 3 and reported no beneficial ownership of issuer securities.

The filing documents that Clancy James C is a director of Quantum Corp and that, as of the event date 08/02/2025, there are no beneficially owned securities to report. The inclusion of Exhibit 24 indicates an attorney-in-fact executed the filing on the director's behalf, which is a standard procedural element when third-party signature authority exists.

Securities Compliance Analyst

TL;DR: Initial Section 16 filing is complete and discloses no holdings, resulting in a routine, non-material disclosure.

This Form 3 is an initial statement under Section 16 and records the reporting relationship and filing mechanics rather than any positions. The statement "No securities are beneficially owned" is explicit; therefore there are no derivatives or equity positions reported in Tables I or II. The signature block shows an attorney-in-fact signed on 09/17/2025.

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

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1. Name and Address of Reporting Person^*

Clancy James C

(Last) (First) (Middle)

C/O QUANTUM CORPORATION

10770 E. BRIARWOOD AVE

(Street)

CENTENNIAL CO 80112

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
08/02/2025

3. Issuer Name and Ticker or Trading Symbol
QUANTUM CORP /DE/ [ QMCO ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

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)

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

Explanation of Responses:

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Tara Ilges, attorney-in-fact	09/17/2025
	** 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.

FAQ

Who filed the Form 3 for Quantum Corp (QMCO)?

The Form 3 was filed for Clancy James C, identified as a director of Quantum Corp.

What date is associated with the event requiring the Form 3 for QMCO?

The date of the event requiring the statement is 08/02/2025.

Does the Form 3 for QMCO report any beneficial ownership?

No. The filing explicitly states no securities are beneficially owned by the reporting person.

Who signed the Form 3 filing for Clancy James C?

The filing is signed by /s/ Tara Ilges, attorney-in-fact with the date 09/17/2025.

What exhibits are included with the Form 3 for QMCO?

The filing lists Exhibit 24 - Power of Attorney.