Form4insider filings, from the source

Insider · CIK 0002075430

Anthony Craythorne

Files at: QMCO. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $16k · 1net −$16k
$10k$10k$100k$100k$1M$1MbuyssalesMar 27Apr 26May 27Jun 27Jul 28Aug 28Sep 27

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 3, 2026 SForm 4 →Aug 5, 4:10 pm EDTQUANTUM CORP /DE/QMCO1,478$10.73$15,85613,522−9.85%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.