SEC Form 4
Quantum Corporation (QMCO) insider trading
No open-market QMCO insider purchases or sales were filed in the 12 months to Oct 26, 2026.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $0
- 0 filings · 0 insiders
- Open-market purchases
- $0
- 0 filings
Who traded QMCO, and when
QMCO daily close from Oct 27, 2025 to Oct 26, 2026, between $4.31 and $34.50, last $19.10. No open-market insider purchases or sales were filed in this period.
No open-market insider purchases or sales were filed in the last 12 months.
Open-market trades
0 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| No open-market purchases or sales in the last 12 months. | ||||||
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
| No open-market purchases or sales in the last 12 months. | |||||||
GET /stocks/filings/vX/form-4?tickers=QMCO&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"QMCO"
],
"issuer_cik": "0000709283",
"owner_cik": "0002085977",
"accession_number": "0001628280-26-065061",
"form_type": "4",
"filing_date": "2026-10-05",
"period_of_report": "2026-10-01",
"issuer_name": "QUANTUM CORP /DE/",
"issuer_trading_symbol": "QMCO",
"owner_name": "Clancy James C",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "Chief Operating Officer",
"security_type": "derivative",
"record_type": "transaction",
"security_title": "Employee Stock Option (right to buy)",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-01",
"transaction_code": "A",
"equity_swap_involved": false,
"transaction_shares": 400000,
"transaction_price_per_share": 0,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 400000,
"transaction_value": 0,
"exercise_price": 31.885,
"expiration_date": "2033-10-01",
"underlying_security_title": "Common Stock",
"underlying_security_shares": 400000,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F2",
"description": "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\nReporting Persons continued service through each vesting date."
}
]
},
{
"tickers": [
"QMCO"
],
"issuer_cik": "0000709283",
"owner_cik": "0002085976",
"accession_number": "0001628280-26-065074",
"form_type": "4",
"filing_date": "2026-10-05",
"period_of_report": "2026-10-01",
"issuer_name": "QUANTUM CORP /DE/",
"issuer_trading_symbol": "QMCO",
"owner_name": "Blevins Tony J",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-01",
"transaction_code": "A",
"equity_swap_involved": false,
"transaction_shares": 12000,
"transaction_price_per_share": 0,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 25000,
"transaction_value": 0,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of October 1, 2027 or the date of the Companys next annual meeting of stockholders, in each case subject to the Reporting Persons continued service on the Companys Board of Directors."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 27 records
- Tax withholding (sold to cover)4 records
- Grants and awards21 records
- Other2 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has the Quantum Corporation's CEO sold stock?
No. Hugues Meyrath (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is QMCO’s insider data?
These are QMCO Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
Build with AI
Track QMCO insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for QMCO every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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