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Insider · CIK 0001411509

John Fichthorn

directorowner

Files at QMCO (QUANTUM CORP /DE/). First filing -, latest -.

John Fichthorn files SEC Form 4 as director and 10% owner at QMCO (QUANTUM CORP /DE/). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.

A track record needs three past buys with six months of prices behind them; John Fichthorn has 0, so none is measured yet.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Transactions

Every row this insider has filed, 9 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026QMCO
QUANTUM CORP /DE/
AGrant or award
Common Stock
+12,000$0.00$040,8968 d ago
Jun 4, 2026QMCO
QUANTUM CORP /DE/
CConversion
Common Stockindirect: by Dialectic Technology SPV LLC
+11,020,645$5.19$57M11,020,645Jun 8, 2026
Jun 4, 2026QMCO
QUANTUM CORP /DE/
AGrant or award
Common Stockindirect: by Dialectic Technology SPV LLC
+3,083,975$5.19$16M14,104,620Jun 8, 2026
Jun 1, 2026QMCO
QUANTUM CORP /DE/
JOther
Warrant (right to buy)derivativeindirect: by Dialectic Technology SPV LLC
+105,911--105,911Jun 8, 2026
Jun 4, 2026QMCO
QUANTUM CORP /DE/
CConversion
Convertible Notesderivativeindirect: by Dialectic Technology SPV LLC
-57,241,228--0Jun 8, 2026
Jan 1, 2026QMCO
QUANTUM CORP /DE/
AGrant or award
Common Stock
+12,000$0.00$027,271Jan 5, 2026
Sep 23, 2025QMCO
QUANTUM CORP /DE/
JOther
Warrant (right to buy)derivativeindirect: by Dialectic Technology SPV LLC
+2,653,308--2,653,308Dec 29, 2025
Dec 18, 2025QMCO
QUANTUM CORP /DE/
JOther
Convertible Notesderivativeindirect: by Dialectic Technology SPV LLC
+0--0Dec 29, 2025
May 1, 2025QMCO
QUANTUM CORP /DE/
AGrant or award
Common Stock
+4,405$0.00$015,271May 5, 2025

Questions about John Fichthorn

Answered from the filings on this page, as of the latest one.

Is John Fichthorn buying or selling?

John Fichthorn has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.

How did John Fichthorn's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and John Fichthorn has 0.

Where does John Fichthorn file Form 4?

John Fichthorn has filed Form 4 at QMCO (QUANTUM CORP /DE/). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

John Fichthorn: insider trades and track record | InsiderTell