QMCOTechnologySmall-Cap
QUANTUM CORP /DE/ Insider Trading Activity
Every SEC Form 4 insider transaction reported for QUANTUM CORP /DE/ (QMCO), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are QMCO insiders buying or selling?
QUANTUM CORP /DE/ insiders reported 24 open-market buys ($13.2M) and 83 sells ($50.1M) across 107 Form 4 filings — a net selling position of $36.9M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jul 7, 2026)
Total Form 4 filings
107
SEC EDGAR
Insider filers
19
Insider buys (24)
$13.2M
Insider sells (83)
$50.1M
Insider sentiment
Net sellingNet insider flow of $36.9M in net selling.
Recent QMCO insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 7, 2026 | Laura A. Nash | Chief Accounting Officer | Sale | 260 | $10.51 | $2.7K |
| Jul 7, 2026 | Hugues Meyrath | President & CEO | Sale | 6.2K | $10.51 | $65.5K |
| Apr 3, 2026 | Laura A. Nash | Chief Accounting Officer | Sale | 109 | $5.44 | $592.96 |
| Oct 3, 2025 | Hugues Meyrath | President & CEO | Sale | 3.0K | $10.86 | $32.3K |
| Oct 3, 2025 | Laura A. Nash | Chief Accounting Officer | Sale | 729 | $10.71 | $7.8K |
| Sep 17, 2025 | Laura A. Nash | Chief Accounting Officer | Sale | 284 | $7.40 | $2.1K |
| Apr 23, 2025 | Lewis W. Moorehead | Chief Accounting Officer | Sale | 179 | $9.65 | $1.7K |
| Apr 23, 2025 | James J Lerner | President & CEO | Sale | 2.8K | $9.65 | $26.9K |
| Apr 23, 2025 | Brian E Cabrera | SVP Chief Admin Ofcr & Secy | Sale | 1.1K | $9.65 | $10.4K |
| Apr 17, 2025 | PACIFIC INVESTMENT MANAGEMENT CO LLC | 10% Owner | Sale | 962.1K | $10.25 | $9.9M |
| Apr 4, 2025 | Laura A. Nash | Chief Accounting Officer | Sale | 136 | $12.85 | $1.7K |
| Feb 5, 2025 | Kenneth P. Gianella | Chief Financial Officer | Sale | 1.3K | $21.53 | $27.5K |
| Jan 18, 2025 | James J Lerner | President & CEO | Sale | 2.5K | $35.68 | $89.6K |
| Jan 18, 2025 | Henk Jan Spanjaard | Chief Revenue Officer | Sale | 935 | $35.68 | $33.4K |
| Jan 18, 2025 | Kenneth P. Gianella | Chief Financial Officer | Sale | 1.5K | $35.68 | $53.1K |
| Jan 18, 2025 | Brian E Cabrera | SVP Chief Admin Ofcr & Secy | Sale | 2.3K | $31.71 | $72.5K |
| Jan 18, 2025 | Laura A. Nash | Chief Accounting Officer | Sale | 328 | $4.43 | $1.5K |
| Jan 18, 2025 | James J Lerner | President & CEO | Sale | 3.7K | $4.43 | $16.3K |
| Jan 18, 2025 | Henk Jan Spanjaard | Chief Revenue Officer | Sale | 218 | $4.43 | $965.74 |
| Jan 18, 2025 | Kenneth P. Gianella | Chief Financial Officer | Sale | 1.3K | $4.43 | $5.9K |
| Jan 18, 2025 | Brian E Cabrera | SVP Chief Admin Ofcr & Secy | Sale | 2.1K | $4.43 | $9.4K |
| Jan 7, 2025 | PACIFIC INVESTMENT MANAGEMENT CO LLC | 10% Owner | Sale | 228.2K | $61.52 | $14.0M |
| Dec 5, 2024 | Kenneth P. Gianella | Chief Financial Officer | Sale | 2.6K | $4.43 | $11.5K |
| Dec 5, 2024 | Henk Jan Spanjaard | Chief Revenue Officer | Sale | 394 | $4.43 | $1.7K |
| Dec 5, 2024 | James J Lerner | President & CEO | Sale | 6.5K | $4.43 | $28.8K |
Showing the 25 most recent of 107 Form 4 filings for QUANTUM CORP /DE/.
Most active QMCO insiders
- B. Riley Financial, Inc.17 filings
- James J Lerner17 filings
- Lewis W. Moorehead12 filings
- Michael J Dodson12 filings
- Brian E Cabrera11 filings
Ask anything about QMCO insider activity
Use Trabud's AI agent to query QUANTUM CORP /DE/'s Form 4 history in plain English — "Show me QMCO CEO purchases this year" or compare it against any other ticker.
Open the AI agentQMCO insider trading FAQ
Are QUANTUM CORP /DE/ insiders buying or selling?
Across 107 SEC Form 4 filings, QUANTUM CORP /DE/ (QMCO) insiders reported 24 open-market purchases totaling $13.2M and 83 sales totaling $50.1M. That is a net selling position of $36.9M.
How many insiders trade QMCO stock?
19 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for QUANTUM CORP /DE/. The most recent filing was accepted on Jul 7, 2026.
Where does Trabud get QMCO insider trading data?
All QMCO insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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