Quantum (QMCO) CFO William Hillis White files Form 3 reporting no owned shares

Rhea-AI Filing Summary

Quantum Corporation’s new Chief Financial Officer, William Hillis White, filed an initial ownership report on Form 3 for the company’s common stock. The filing states that no securities are beneficially owned, meaning he reports holding no Quantum shares or derivatives as of the stated event date.

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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^*

White William Hillis

(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)
02/02/2026

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

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

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

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, by POA from William Hillis White	02/09/2026
	** 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.
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FAQ

What does the Quantum (QMCO) Form 3 filing by William Hillis White show?

The Form 3 for Quantum (QMCO) shows that Chief Financial Officer William Hillis White reports beneficial ownership of no company securities. This means he lists no Quantum common stock or derivative securities under his direct or indirect control as of the event date in the filing.

Who is the reporting person in Quantum (QMCO)’s latest Form 3?

The reporting person is William Hillis White, identified as an officer of Quantum (QMCO) with the title Chief Financial Officer. The Form 3 records his initial beneficial ownership position in Quantum securities upon becoming a reporting insider under U.S. securities regulations.

Does Quantum CFO William Hillis White own any QMCO shares according to Form 3?

According to the Form 3, Quantum CFO William Hillis White reports owning no QMCO securities. Both the non-derivative and derivative securities tables are effectively empty, and the remarks section explicitly states that no securities are beneficially owned at this time.

Why did Quantum (QMCO) file this Form 3 for its CFO?

The Form 3 is required because William Hillis White became a Quantum (QMCO) officer, making him a reporting insider. U.S. securities rules require insiders to disclose their initial beneficial ownership in company securities when they assume a reportable role like Chief Financial Officer.

What is the event date reported in the Quantum (QMCO) Form 3?

The Form 3 lists an event date of 02/02/2026. This date typically reflects when William Hillis White’s status as a reporting insider, such as his role as Chief Financial Officer of Quantum (QMCO), triggered the obligation to file his initial ownership report with the SEC.

Are there any derivative securities reported for Quantum (QMCO)’s CFO on Form 3?

No derivative securities are reported for Quantum (QMCO)’s CFO on the Form 3. The derivative securities table contains no listed options, warrants, or convertible instruments, and the explanatory remark confirms that no securities of any type are beneficially owned as of the event date.