Quantum grants CEO Hugues Meyrath 500,000 options

The option vests in equal monthly installments over four years beginning November 1, 2026, subject to continued service through each vesting date.

Rhea-AI Filing Summary

Quantum Corp (QMCO) granted President & CEO Hugues Meyrath a nonstatutory stock option covering 500,000 common shares on October 1, 2026. The option has an exercise price of $31.8850 per share and expires October 1, 2033. It vests in equal monthly installments over four years beginning November 1, 2026, with a vesting commencement date of October 1, 2026, subject to his continued service through each vesting date.

Insider Trade Summary

Grant/Award: 500,000 shares

Grant/Award 1 txn

Insider Meyrath Hugues

Role President & CEO

Type	Security	Shares	Price	Value
Grant/Award	Employee Stock Option (right to buy) F1	500,000	$0.00	$0.00

Holdings After Transaction: Employee Stock Option (right to buy) — 500,000 contracts (Direct)

Footnotes (1)

1. F1. This nonstatutory stock option vests over four years in equal monthly installments beginning on November 1, 2026, with a vesting commencement date of October 1, 2026, subject to the Reporting Persons continued service through each vesting date.

Key Figures

Common shares underlying option: 500,000 shares Options following transaction: 500,000 options Exercise price: $31.8850 per share +4 more

7 metrics

Common shares underlying option 500,000 shares Nonstatutory stock option granted October 1, 2026

Options following transaction 500,000 options Direct position after the transaction

Exercise price $31.8850 per share Option exercise price

Vesting period Four years Equal monthly installments

Vesting commencement date October 1, 2026 Date stated for commencement of vesting

Vesting installments begin November 1, 2026 First date in the stated monthly vesting schedule

Option expiration date October 1, 2033 Expiration date

Key Terms

nonstatutory stock option, exercise price, vesting commencement date

3 terms

nonstatutory stock option financial

"This nonstatutory stock option vests over four years"

A nonstatutory stock option (also called a non-qualified stock option) is an employee or contractor right to buy company shares at a set price that does not qualify for special tax treatment. When exercised, the difference between the market price and the set price is treated as ordinary income for the recipient and usually triggers payroll tax and withholding. For investors, these options matter because they create potential share dilution, affect reported compensation costs, and influence the timing of when new shares enter the market—similar to a coupon that lets someone buy stock at a discount but results in an immediate tax bill.

exercise price financial

"the option has an exercise price of $31.8850 per share"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

vesting commencement date financial

"with a vesting commencement date of October 1, 2026"

The vesting commencement date is the starting point when an employee begins earning ownership rights to their promised benefits, such as stock options or retirement contributions. Think of it like the day a savings account is opened—only after this date do the benefits start to grow and become fully available over time. It matters to investors because it marks when the clock begins ticking toward full ownership, affecting the timing and value of these benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stock option did QMCO grant to CEO Hugues Meyrath?

QMCO granted President & CEO Hugues Meyrath a nonstatutory stock option covering 500,000 common shares, with an exercise price of $31.8850 per share. The grant is dated October 1, 2026, and the option expires October 1, 2033.

When do Hugues Meyrath's QMCO options vest?

The option vests in equal monthly installments over four years beginning November 1, 2026; its vesting commencement date is October 1, 2026. Vesting is subject to his continued service through each vesting date.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/05/2026 - 05:02 PM Accepted by SEC EDGAR 10/05/2026 - 05:02 PM Learn about SEC filing dates

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^*

Meyrath Hugues

(Last) (First) (Middle)

C/O QUANTUM CORPORATION

10770 E. BRIARWOOD AVE

(Street)

CENTENNIAL COLORADO 80112

(City) (State) (Zip)

UNITED STATES

(Country)

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
X	Officer (give title below)		Other (specify below)
	President & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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

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
Employee Stock Option (right to buy)	$31.885	10/01/2026		A		500,000		(1)	10/01/2033	Common Stock	500,000	$0	500,000	D

Explanation of Responses:

1. This nonstatutory stock option vests over four years in equal monthly installments beginning on November 1, 2026, with a vesting commencement date of October 1, 2026, subject to the Reporting Persons continued service through each vesting date.

Remarks:

	/s/ Tara Ilges, attorney-in-fact for Hugues Meyrath	10/05/2026
	** 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 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.
* Form 4: SEC 1474 (03-26)