STOCK TITAN

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

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
4

Laura A. Nash, Chief Accounting Officer of Quantum Corp (QMCO), reported transactions on Form 4 showing equity vesting and automatic share sales to cover taxes. On 10/01/2025 Ms. Nash received 500 shares (performance‑based stock units) at a purchase price of $0 upon vesting. On the same date she sold 118 shares at a weighted average price of $9.91, and on 10/02/2025 she sold 611 shares at a weighted average price of $10.86. The filings state the October 1 sales and October 2 sales were block trades executed for multiple holders and that the share disposals were automatic, non‑discretionary sales to cover tax withholding for vested awards. Beneficial ownership reported changed from 11,868 shares after the acquisition to 11,139 shares following the October 2 sale.

Laura A. Nash, Chief Accounting Officer di Quantum Corp (QMCO), ha riportato operazioni su Form 4 che mostrano l'acquisizione di azioni per vesting e vendite automatiche per coprire le tasse. Il 01/10/2025 la signora Nash ha ricevuto 500 azioni (unità azionarie basate sulle prestazioni) a un prezzo di acquisto di $0 al vesting. Nello stesso giorno ha venduto 118 azioni a un prezzo medio ponderato di $9.91, e il 02/10/2025 ha venduto 611 azioni a un prezzo medio ponderato di $10.86. Le dichiarazioni affermano che le vendite del 1 ottobre e del 2 ottobre sono state operazioni di blocco eseguite per più titolari e che le disposizioni di azione sono state vendite automatiche, non discrezionali, per coprire la ritenuta fiscale sui premi maturati. La proprietà beneficata riportata è cambiata da 11.868 azioni dopo l'acquisizione a 11.139 azioni a seguito della vendita del 2 ottobre.

Laura A. Nash, Directora de Contabilidad de Quantum Corp (QMCO), informó operaciones en el Formulario 4 que muestran la consolidación de acciones y ventas automáticas para cubrir impuestos. El 01/10/2025 la Sra. Nash recibió 500 acciones (unidades de acciones basadas en rendimiento) a un precio de compra de $0 al vesting. En la misma fecha vendió 118 acciones a un precio medio ponderado de $9.91, y el 02/10/2025 vendió 611 acciones a un precio medio ponderado de $10.86. Los archivos indican que las ventas del 1 de octubre y del 2 de octubre fueron operaciones a bloque efectuadas para múltiples titulares y que las disposiciones de las acciones fueron ventas automáticas, no discrecionales, para cubrir la retención de impuestos de las acciones otorgadas. La propiedad beneficiosa reportada pasó de 11,868 acciones tras la adquisición a 11,139 acciones tras la venta del 2 de octubre.

Laura A. Nash, Quantum Corp(QMCO)의 최고 회계 책임자, 세금 공제를 위한 자동 주식 매각과 지분 취득을 보여주는 Form 4의 거래를 보고했습니다. 2025년 10월 1일 Ms. Nash는 취득 시 0달러의 매입가로 500주를 받았으며(성과 기반 주식 단위). 같은 날 118주를 $9.91의 가중 평균 가격으로 팔았고, 2025년 10월 2일에는 611주를 $10.86의 가중 평균 가격으로 팔았습니다. 신고서는 10월 1일 매도와 10월 2일 매도가 다수의 보유자를 대상으로 한 블록 거래였으며 주식 처분은 보유 보상에 대한 세금 원천징수를 위한 자동적이고 재량적이지 않은 매각이라고 명시합니다. 취득 후 신고된 유익 소유 지분은 11,868주에서 10월 2일 매각 후 11,139주로 변경되었습니다.

Laura A. Nash, Directrice comptable de Quantum Corp (QMCO), a signalé des transactions sur le formulaire 4 montrant l'acquisition d'actions par vesting et des ventes d'actions automatiques pour couvrir les impôts. Le 01/10/2025, Mme Nash a reçu 500 actions (unités d'actions basées sur la performance) à un prix d'achat de $0 lors du vesting. Le même jour, elle a vendu 118 actions à un prix moyen pondéré de $9.91, et le 02/10/2025 elle a vendu 611 actions à un prix moyen pondéré de $10.86. Les dépôts indiquent que les ventes du 1er octobre et du 2 octobre étaient des transactions de bloc exécutées pour plusieurs détenteurs et que les cessions d'actions étaient des ventes automatiques et non discrétionnaires pour couvrir les retenues fiscales sur les actions acquises. La propriété bénéficiaire déclarée a changé de 11,868 actions après l'acquisition à 11,139 après la vente du 2 octobre.

Laura A. Nash, Chief Accounting Officer von Quantum Corp (QMCO), berichtete Transaktionen auf Formular 4, die das Vesting von Eigenkapital und automatische Aktienverkäufe zur Deckung der Steuern zeigen. Am 01.10.2025 erhielt Frau Nash 500 Aktien (leistungsbasierte Aktieneinheiten) zu einem Kaufpreis von $0 beim Vesting. Am selben Datum verkaufte sie 118 Aktien zu einem gewichteten Durchschnittspreis von $9.91, und am 02.10.2025 verkaufte sie 611 Aktien zu einem gewichteten Durchschnittspreis von $10.86. Die Einreichungen geben an, dass die Verkäufe vom 1. Oktober und vom 2. Oktober Block Trades waren, die für mehrere Inhaber durchgeführt wurden, und dass die Abgabenveräußerungen automatische, nicht diskretionäre Verkäufe zur Deckung der Steuerabzüge für vesteteZuwendungen waren. Die berichtete nützliche Eigentümerschaft änderte sich von 11,868 Aktien nach dem Erwerb zu 11,139 Aktien nach dem Verkauf am 2. Oktober.

لورّا أ. ناش، رئيسة قسم الور المكتب المالي في Quantum Corp (QMCO)، أبلغت عن معاملات في النموذج 4 تُظهر الاستحقاق وتصفية الأسهم تلقائياً لتغطية الضرائب. في 01/10/2025، تلقت السيدة ناش 500 سهماً (وحدات أسهم قائمة على الأداء) بسعر شراء قدره $0 عند الاستحقاق. في نفس التاريخ باعت 118 سهماً بسعر متوسط ​​مرجح قدره $9.91، وفي 02/10/2025 باعت 611 سهماً بسعر متوسط ​​مرجح قدره $10.86. تنص الملفات على أن مبيعات 1 أكتوبر و2 أكتوبر كانت صفقات كتلة نفذت لمساهمين متعددين وأن التصرف في الأسهم كان مبيعات تلقائية وغير تقديرية لتغطية حجز الضرائب على الجوائز المُستحقة. تغيرت الملكية المستفيدة المبلغ عنها من 11,868 سهماً بعد الاستحواذ إلى 11,139 سهماً بعد بيع 2 أكتوبر.

Laura A. Nash,Quantum Corp(QMCO)的首席会计官,已在表格4上报告显示股权授予 vesting 及自动出售以覆盖税负的交易。2025/10/01,Nash 女士在授予时获得了500股(绩效为基础的股票单位),购买价为$0。在同一天她卖出118股,成交的加权平均价格为$9.91,并在2025/10/02再以加权平均价格$10.86卖出611股。披露称,10月1日与10月2日的销售都是为多名持有人成立的大宗交易,且股权处置为自动、非自由裁量的销售,用以覆盖已归属奖赏的税款扣缴。报告的有益所有权自取得后为11,868股,至10月2日出售后变为11,139股。

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Insights

Officer reported vesting of $0 PSU shares and automatic sales of 729 shares to cover taxes.

The Form 4 discloses the vesting of 500 performance‑based shares on 10/01/2025 and automatic sales of 118 and 611 shares on 10/01/2025 and 10/02/2025 respectively to satisfy tax withholding obligations.

This is a routine compensation settlement rather than a discretionary sale; the filing notes the transactions were non‑discretionary and performed as block trades for multiple holders. The filing also documents the change in beneficial ownership to 11,139 shares after the transactions.

Laura A. Nash, Chief Accounting Officer di Quantum Corp (QMCO), ha riportato operazioni su Form 4 che mostrano l'acquisizione di azioni per vesting e vendite automatiche per coprire le tasse. Il 01/10/2025 la signora Nash ha ricevuto 500 azioni (unità azionarie basate sulle prestazioni) a un prezzo di acquisto di $0 al vesting. Nello stesso giorno ha venduto 118 azioni a un prezzo medio ponderato di $9.91, e il 02/10/2025 ha venduto 611 azioni a un prezzo medio ponderato di $10.86. Le dichiarazioni affermano che le vendite del 1 ottobre e del 2 ottobre sono state operazioni di blocco eseguite per più titolari e che le disposizioni di azione sono state vendite automatiche, non discrezionali, per coprire la ritenuta fiscale sui premi maturati. La proprietà beneficata riportata è cambiata da 11.868 azioni dopo l'acquisizione a 11.139 azioni a seguito della vendita del 2 ottobre.

Laura A. Nash, Directora de Contabilidad de Quantum Corp (QMCO), informó operaciones en el Formulario 4 que muestran la consolidación de acciones y ventas automáticas para cubrir impuestos. El 01/10/2025 la Sra. Nash recibió 500 acciones (unidades de acciones basadas en rendimiento) a un precio de compra de $0 al vesting. En la misma fecha vendió 118 acciones a un precio medio ponderado de $9.91, y el 02/10/2025 vendió 611 acciones a un precio medio ponderado de $10.86. Los archivos indican que las ventas del 1 de octubre y del 2 de octubre fueron operaciones a bloque efectuadas para múltiples titulares y que las disposiciones de las acciones fueron ventas automáticas, no discrecionales, para cubrir la retención de impuestos de las acciones otorgadas. La propiedad beneficiosa reportada pasó de 11,868 acciones tras la adquisición a 11,139 acciones tras la venta del 2 de octubre.

Laura A. Nash, Quantum Corp(QMCO)의 최고 회계 책임자, 세금 공제를 위한 자동 주식 매각과 지분 취득을 보여주는 Form 4의 거래를 보고했습니다. 2025년 10월 1일 Ms. Nash는 취득 시 0달러의 매입가로 500주를 받았으며(성과 기반 주식 단위). 같은 날 118주를 $9.91의 가중 평균 가격으로 팔았고, 2025년 10월 2일에는 611주를 $10.86의 가중 평균 가격으로 팔았습니다. 신고서는 10월 1일 매도와 10월 2일 매도가 다수의 보유자를 대상으로 한 블록 거래였으며 주식 처분은 보유 보상에 대한 세금 원천징수를 위한 자동적이고 재량적이지 않은 매각이라고 명시합니다. 취득 후 신고된 유익 소유 지분은 11,868주에서 10월 2일 매각 후 11,139주로 변경되었습니다.

Laura A. Nash, Directrice comptable de Quantum Corp (QMCO), a signalé des transactions sur le formulaire 4 montrant l'acquisition d'actions par vesting et des ventes d'actions automatiques pour couvrir les impôts. Le 01/10/2025, Mme Nash a reçu 500 actions (unités d'actions basées sur la performance) à un prix d'achat de $0 lors du vesting. Le même jour, elle a vendu 118 actions à un prix moyen pondéré de $9.91, et le 02/10/2025 elle a vendu 611 actions à un prix moyen pondéré de $10.86. Les dépôts indiquent que les ventes du 1er octobre et du 2 octobre étaient des transactions de bloc exécutées pour plusieurs détenteurs et que les cessions d'actions étaient des ventes automatiques et non discrétionnaires pour couvrir les retenues fiscales sur les actions acquises. La propriété bénéficiaire déclarée a changé de 11,868 actions après l'acquisition à 11,139 après la vente du 2 octobre.

Laura A. Nash, Chief Accounting Officer von Quantum Corp (QMCO), berichtete Transaktionen auf Formular 4, die das Vesting von Eigenkapital und automatische Aktienverkäufe zur Deckung der Steuern zeigen. Am 01.10.2025 erhielt Frau Nash 500 Aktien (leistungsbasierte Aktieneinheiten) zu einem Kaufpreis von $0 beim Vesting. Am selben Datum verkaufte sie 118 Aktien zu einem gewichteten Durchschnittspreis von $9.91, und am 02.10.2025 verkaufte sie 611 Aktien zu einem gewichteten Durchschnittspreis von $10.86. Die Einreichungen geben an, dass die Verkäufe vom 1. Oktober und vom 2. Oktober Block Trades waren, die für mehrere Inhaber durchgeführt wurden, und dass die Abgabenveräußerungen automatische, nicht diskretionäre Verkäufe zur Deckung der Steuerabzüge für vesteteZuwendungen waren. Die berichtete nützliche Eigentümerschaft änderte sich von 11,868 Aktien nach dem Erwerb zu 11,139 Aktien nach dem Verkauf am 2. Oktober.

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).
1. Name and Address of Reporting Person*
Nash Laura A.

(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)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Accounting Officer
3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025
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 10/01/2025 A 500 A $0 11,868 D
Common Stock 10/01/2025 S 118(1) D $9.91(2) 11,750 D
Common Stock 10/02/2025 S 611(3) D $10.86(4) 11,139 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. Represents the number of shares automatically sold on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of performance-based stock units granted on July 1, 2023.
2. Represents a weighted average price. These shares were sold as part of block trades for multiple security holders of the issuer on October 1, 2025, at a price ranging from $9.9026 to $9.9118. The reporting person undertakes to provide upon request by the Securities and Exchange Commission, the issuer, or a securityholder of the issuer detailed information regarding the number of shares sold and the prices at which the transactions were executed.
3. Represents the number of shares automatically sold on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units granted on October 1, 2024.
4. Represents a weighted average price. These shares were sold as part of block trades for multiple security holders of the issuer on October 2, 2025, at a price ranging from $10.85 to $10.87. The reporting person undertakes to provide upon request by the Securities and Exchange Commission, the issuer, or a securityholder of the issuer detailed information regarding the number of shares sold and the prices at which the transactions were executed.
Remarks:
/s/ Tara Ilges, Attorney-in-Fact for Laura A. Nash 10/03/2025
** 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 Laura A. Nash report on the QMCO Form 4?

The filing reports that 500 performance‑based shares vested on 10/01/2025 and that 118 shares were sold on 10/01/2025 at a weighted average $9.91 and 611 shares were sold on 10/02/2025 at a weighted average $10.86.

Why were shares sold by the reporting person on QMCO Form 4?

The filing states the shares were sold automatically on a non‑discretionary basis to cover tax withholding obligations related to the vesting of equity awards.

How did these transactions affect Laura Nash's beneficial ownership of QMCO shares?

Following the reported transactions the filing shows beneficial ownership of 11,139 shares, down from 11,868 immediately after the acquisition entry.

What prices were disclosed for the sales in the Form 4?

The October 1 block trades had a weighted average price of $9.91 (range $9.9026$9.9118) and the October 2 block trades had a weighted average price of $10.86 (range $10.85$10.87), per the filing.

Who signed the Form 4 for Laura A. Nash?

The Form 4 was signed by Tara Ilges, Attorney‑in‑Fact for Laura A. Nash, on 10/03/2025.
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