Warrant
A long-dated right issued by the company itself to buy new shares at a fixed price until expiration.
A warrant is a contract issued by a company giving the holder the right to buy newly issued shares at a stated exercise price until a stated expiration. Unlike an exchange-traded option, a warrant is issued by the company, its terms are set in a warrant agreement rather than standardized, exercise creates new shares and dilutes existing holders, and the terms can be amended or the warrant redeemed under conditions written into the agreement.
In detail
Structurally, a warrant is a call option that the issuer wrote on itself. The economics resemble an option — a fixed exercise price, a time to expiration, leverage to the underlying — but almost everything procedural differs. There is no clearinghouse standardizing terms; the warrant agreement between the company and a warrant agent is the sole specification, and it is filed as an exhibit. Two warrants on the same company can have entirely different terms.
Warrants come to exist as an attachment: to a unit in an IPO, to a note or preferred in a private placement, to an exit financing in a bankruptcy plan, as consideration to a lender or a merger counterparty, or as a distribution to existing holders. Publicly tradeable warrants are registered — in the offering's registration statement on S-1, S-3, or F-1, or in a later resale registration — and listed under a suffixed ticker.
A holder owns a contractual right against the company, not an ownership interest. There is no vote and no dividend. On exercise, the holder pays the exercise price and the company issues new shares, which is why warrant exercise expands the share count while option exercise does not.
The terms that matter and where they live: exercise price, exercise ratio — a warrant may convert into more or fewer than one share — and expiration in the warrant agreement; the adjustment provisions that reprice on splits, stock dividends, and certain issuances; the redemption or call provision, which typically lets the company force early exercise or redeem for a nominal amount once the common trades above a threshold for a stated number of days within a stated window — the single most important term for a warrant holder, because it caps the instrument's life at the company's option; cashless-exercise mechanics, which let the holder surrender intrinsic value instead of paying cash and receive fewer shares; beneficial-ownership caps that block exercise above a stated percentage of the outstanding class; and the change-of-control provision, which determines what the warrant becomes if the company is acquired — sometimes cash at a contractual value, sometimes a warrant on the acquirer or assumption on adjusted terms, sometimes very little.
Lifecycle events arrive as filings: the warrant agreement as an exhibit to the 8-K or S-1; a redemption call in an 8-K and a formal notice; exercise-price adjustments in 8-K; expiration, which is often unannounced and simply happens; delisting for low price or low holder count under exchange rules and Form 25; and the treatment of warrants in a merger, disclosed in the S-4 or the 8-K announcing the transaction.
Before assuming anything, read the warrant agreement rather than a summary; identify the redemption trigger and whether the common is near it; confirm whether the warrant is currently exercisable at all, because many are not until a registration statement covering the underlying shares is effective; and check the expiration date against the calendar, because a warrant is a wasting contract that becomes worthless without ceremony.
These values are read from the filing linked above. They describe the instrument, not its merits. Nothing here is investment advice.