[Form 4] QUANTUM CORP /DE/ Insider Trading Activity

Rhea-AI Filing Summary

Quantum Corporation (QMCO)1,000 shares of common stock via a restricted stock unit (RSU) grant on November 1, 2025 at a stated price of $0.

The RSUs vest in full on the earlier of November 1, 2026 or the date of the company’s next annual stockholder meeting, contingent on continued service on the Board. Following the transaction, the reporting person beneficially owned 1,000 shares, held directly.

Insights

Corporate governance analyst

Routine director RSU grant of 1,000 shares; neutral impact.

The filing records a standard equity grant: 1,000 RSUs awarded to a director on November 1, 2025 with a stated price of $0. This aligns with common director compensation practices that use RSUs to align interests with shareholders.

The RSUs vest on the earlier of November 1, 2026 or the next annual stockholder meeting, conditioned on continued board service. This time-based vesting is typical and does not indicate performance targets or unusual terms in the excerpt.

After this grant, beneficial ownership is 1,000 shares, held directly. The filing does not indicate broader changes to capital structure; actual impact depends on routine vesting and service conditions.

11/04/2025 - 07:10 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
11/01/2025

4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/01/2025		A		1,000(1)	A	$0	1,000	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of November 1, 2026 or the date of the Company's next annual stockholder meeting, subject to continued service on the Company's Board of Directors.

Remarks:

	/s/ Tara Ilges, attorney-in-fact	11/04/2025
	** 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 4 (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

What did Quantum (QMCO) disclose in this Form 4?

A director received 1,000 restricted stock units (RSUs) on November 1, 2025 at a stated price of $0.

When do the QMCO director’s RSUs vest?

They vest in full on the earlier of November 1, 2026 or the date of the next annual stockholder meeting, subject to continued board service.

How many QMCO shares does the reporting person own after the transaction?

The filing shows 1,000 shares beneficially owned, held directly after the reported transaction.

What type of security was involved in the QMCO Form 4?

Restricted stock units (RSUs), each representing a contingent right to receive one share of QMCO common stock.

Was a purchase price paid for the QMCO RSUs?

The stated price for the RSU grant was $0.

What relationship does the reporting person have to Quantum (QMCO)?

The reporting person is identified as a Director of Quantum Corporation.