Key facts
- This page summarizes William Hillis White's Form 4 filing for QUANTUM CORP /DE/ (QMCO).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 04 Mar 2026, 16:06.
William Hillis White - 04 Mar 2026 Form 4 Insider Report for QUANTUM CORP /DE/ (QMCO)
- Reporting relationship
- Chief Financial Officer
- Issuer ticker
- QMCO
- Reported as of
- 04 Mar 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 04 Mar 2026, 16:06:22 UTC
- Prior SEC filing
- 09 Feb 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Tara Ilges, attorney-in-fact for William Hillis White
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
William Hillis White filed Form 4 for QUANTUM CORP /DE/ (QMCO) on 04 Mar 2026.
Change
- Previous filing in this sequence was filed on 09 Feb 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002108496
Primary reporting owner
White William Hillis
- Relationship
- Chief Financial Officer
- Address
- C/O QUANTUM CORPORATION, 10770 E. BRIARWOOD AVE., CENTENNIAL
- Signature
- /s/ Tara Ilges, attorney-in-fact for William Hillis White
- Signature date
- 04 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
QMCO
transaction
Common Stock
Award
- Transaction value
- Shares
- +25,000
- Change %
- Price
- $0.000000*
- Shares after
- 25,000
- Date
- 04 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Grant of 25,000 restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in three equal annual installments beginning on March 2, 2027, subject to the Reporting Person's continued service through each vesting date.