Every S-1 that Quantum (QMCO) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A S-1 covers the registration statement a company files to sell shares publicly, so if you follow QMCO and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full QMCO filings page.
Quantum Corporation is registering the resale of up to 13,809,707 shares of common stock on behalf of existing stockholders. The registered shares comprise 10,615,712 PIPE Shares sold in a June 2026 private placement, 3,083,975 shares issued to Dialectic Technology SPV LLC as Share Consideration, and up to 110,020 Warrant Shares issuable upon exercise of a Conversion Warrant.
The June 1, 2026 private placement raised $100 million through the sale of 10,615,712 shares at $9.42 per share, with proceeds used to repay all existing term debt and for working capital and general corporate purposes. Concurrently, Dialectic voluntarily converted all 10.00% PIK Senior Secured Convertible Notes due 2028 into equity; the notes were cancelled and the related indenture was satisfied and discharged in full.
Quantum will not receive any proceeds from sales of registered shares by the selling stockholders. It may receive cash only if the Conversion Warrant, covering up to 105,911 shares (and registered for up to 110,020 shares assuming a $5.00 floor price), is exercised for cash. There were 39,374,500 shares outstanding as of July 1, 2026; this is a baseline figure, not the amount being offered. The company notes that resales or the perception of potential resales could put downward pressure on its stock price.
Quantum Corporation is registering up to 18,207,453 shares of common stock for potential resale by Dialectic Technology SPV LLC, the holder of Quantum’s 10.00% PIK Senior Secured Convertible Notes due 2028. These shares may be issued upon conversion of the notes.
The notes have an aggregate principal amount of $54,718,114, an initial conversion price of $10.00 per share with reset features down to a floor of $4.00, and mature three years after closing. Quantum will not receive any proceeds from sales of these shares by the selling stockholder.
Quantum had 14,134,629 shares outstanding as of December 31, 2025. The company notes that resale of these shares, or the perception that such sales could occur, could put downward pressure on its stock price, and highlights liquidity covenants and asset security supporting the convertible notes.
Quantum Corporation filed a resale registration statement covering up to 2,653,308 shares of common stock issuable upon exercise of a warrant held by Dialectic Technology SPV LLC. The warrant, issued as consideration for amendments and forbearance under Quantum’s term loan agreement, has a cash or net-share exercise feature, a $8.81 exercise price and a seven-year term, and represents 19.9% of shares outstanding on the transaction date. Quantum will not receive proceeds from any resale of shares by the selling stockholder, but will receive cash if the warrant is exercised for cash, which it may use for working capital, general corporate purposes and debt repayment. Quantum had 13,333,208 shares of common stock outstanding as of September 30, 2025.