Quantum Corporation (QMCO) Insider Trading
Over the last 3 months, QMCO insiders made 0 open-market buys and 3 sales, a net sale of -$84K (SEC Form 4). Over the last 6 months, 9 institutions increased and 11 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$84.1K
Insider trades by month Buys Sells
Apr
Sep
Oct
Apr
Jul
Aug
Context3-month price +127.3%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 5, 2026 | Craythorne Anthonyofficer: Chief Revenue Officer | Sell | 1,478 | $10.73 |
| Jul 7, 2026 | Nash Laura A.officer: Chief Accounting Officer | Sell | 260 | $10.51 |
| Jul 7, 2026 | Meyrath Huguesdirector, officer: President & CEO | Sell | 6,232 | $10.51 |
| Jun 8, 2026 | FICHTHORN JOHNdirector, 10 percent owner: | Grant | 3,083,975 | $5.19 |
| Jun 8, 2026 | Dialectic Technology SPV LLC10 percent owner | Grant | 3,083,975 | $5.19 |
| Apr 3, 2026 | Craythorne Anthonyofficer: Chief Revenue Officer | Grant | 148,500 | $5.03 |
| Apr 3, 2026 | Nash Laura A.officer: Chief Accounting Officer | Sell | 109 | $5.44 |
| Apr 3, 2026 | Nash Laura A.officer: Chief Accounting Officer | Grant | 49,500 | $5.03 |
| Apr 3, 2026 | Meyrath Huguesdirector, officer: President & CEO | Grant | 850,000 | $5.03 |
| Mar 4, 2026 | White William Hillisofficer: Chief Financial Officer | Grant | 25,000 | — |
| Jan 5, 2026 | Jaworksi Dondirector | Grant | 12,000 | — |
| Jan 5, 2026 | Meyrath Huguesdirector, officer: President & CEO | Grant | 50,000 | $6.45 |
| Jan 5, 2026 | Blevins Tony Jdirector | Grant | 12,000 | — |
| Jan 5, 2026 | Meyrath Huguesdirector, officer: President & CEO | Grant | 62,500 | — |
| Jan 5, 2026 | Craythorne Anthonyofficer: Chief Revenue Officer | Grant | 15,000 | — |
| Jan 5, 2026 | Clancy James Cdirector | Grant | 12,000 | — |
| Jan 5, 2026 | Tracy John R.director | Grant | 12,000 | — |
| Jan 5, 2026 | White Yue Zhoudirector | Grant | 12,000 | — |
| Jan 5, 2026 | FICHTHORN JOHNdirector, 10 percent owner: | Grant | 12,000 | — |
| Nov 4, 2025 | Meyrath Huguesdirector, officer: President & CEO | Grant | 37,500 | — |
| Nov 4, 2025 | Blevins Tony Jdirector | Grant | 1,000 | — |
| Nov 4, 2025 | Meyrath Huguesdirector, officer: President & CEO | Grant | 50,000 | $9.44 |
| Nov 4, 2025 | Clancy James Cdirector | Grant | 1,000 | — |
| Oct 3, 2025 | Nash Laura A.officer: Chief Accounting Officer | Grant | 500 | — |
| Oct 3, 2025 | Nash Laura A.officer: Chief Accounting Officer | Sell | 611 | $10.86 |
| Oct 3, 2025 | Nash Laura A.officer: Chief Accounting Officer | Sell | 118 | $9.91 |
| Oct 3, 2025 | Meyrath Huguesdirector, officer: President & CEO | Sell | 2,975 | $10.86 |
| Sep 17, 2025 | Nash Laura A.officer: Chief Accounting Officer | Sell | 284 | $7.40 |
| May 5, 2025 | FICHTHORN JOHNdirector | Grant | 4,405 | — |
| Apr 23, 2025 | Cabrera Brian Eofficer: SVP Chief Admin Ofcr & Secy | Sell | 1,078 | $9.65 |
Source: QMCO SEC Form 4 filings, latest Aug 5, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their QMCO positions over the last 6 months (SEC Form 13F).
Increased
9
New positions
10
Reduced
11
Sold out
36
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 539K | May 15, 2026 |
| BLACKROCK, INC. | Reduced | 218K | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 159K | May 15, 2026 |
| Cygnus Capital Advisors, LLC | Increased | 124K | May 13, 2026 |
| UBS GROUP AG | Reduced | 99K | May 5, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 80K | May 8, 2026 |
| STATE STREET CORP | Reduced | 73K | May 15, 2026 |
| SONA ASSET MANAGEMENT (US) LLC | New Position | 70K | May 15, 2026 |
| MARSHALL WACE, LLP | Increased | 38K | May 15, 2026 |
| NORTHERN TRUST CORP | Unchanged | 29K | May 14, 2026 |
| LPL FINANCIAL LLC | Increased | 25K | May 6, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 22K | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | Reduced | 20K | May 18, 2026 |
| FLAGSHIP HARBOR ADVISORS, LLC | Reduced | 17K | Apr 28, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | New Position | 16K | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.