When a consumer-hardware company sells a device with a standard warranty, it takes on an obligation to repair or replace that device if it fails within the warranty period. Accounting rules do not let the company wait until a customer files a claim to record that cost. Instead, the company estimates the future cost of honoring all the warranties attached to the products it sold in a period, and books that estimate as a liability — a warranty accrual — at the same time it recognizes the revenue from those sales. This is an application of the matching principle: the expected cost of a sale is recognized in the same period as the sale itself.

GoPro's fiscal 2025 Form 10-K, for the year ended December 31, 2025, states the mechanics in its notes plainly.

The Company records a liability for estimated product warranty costs at the time hardware revenue is recognized. The Company's standard warranty obligation to its end-users generally provides a 12-month warranty coverage on all of its products except in the European Union where the Company provides a 24-month warranty.— GoPro, Inc. Form 10-K (FY2025), source

Two features of that passage are typical of the entire category. First, the trigger is revenue recognition, not the repair event — the cost is anticipated, not reactive. Second, the coverage term is jurisdiction-specific: GoPro discloses a 12-month standard term in most markets and a 24-month term in the European Union, reflecting EU consumer-protection law. The accrual a company carries therefore depends on both how many units it sold and where it sold them, because a longer mandated term means a longer tail of potential claims.

Why it is an estimate, and how it gets corrected

A warranty accrual is, by construction, a forecast. The company does not know which specific units will fail; it estimates a failure rate and a per-unit repair or replacement cost from historical experience, then applies that to current-period sales. GoPro's filing notes that its "estimate of costs to service its warranty obligations is based" on that kind of historical basis. Over time, the liability is reduced as actual warranty work is performed against it and increased as new sales add fresh obligations. If actual claims run higher than expected — because of a quality problem or a product recall — the company increases the accrual, and that increase flows through cost of sales, compressing gross margin. This is one reason warranty sits inside the cost-of-sales bucket that determines product gross margin.

The standard warranty accrual is distinct from extended warranty programs that a company sells for a separate fee. Those are not a cost accrual but a separate revenue arrangement: the company collects money up front and recognizes it over the coverage period, deferring it as a liability until earned. GoPro's filing notes that it "also offers extended warranty programs for a fee," which are accounted for differently from the standard obligation. Keeping the two apart matters, because one is a cost the company expects to incur and the other is revenue it has collected but not yet earned.

How the liability rolls forward

A warranty liability is not a static number; it moves every period in a predictable pattern. New sales add to it (additions), actual repair and replacement work draws it down (utilization or settlements), and changes in the company's estimate of future cost adjust it up or down (revisions). Companies that carry material warranty obligations typically present a rollforward table showing the beginning balance, the accruals made during the period, the costs incurred against the reserve, any changes in estimate, and the ending balance. Reading that table is how an analyst checks whether a company's warranty estimates have been accurate: if a company repeatedly has to increase its accrual through "changes in estimate," its original forecasts were running light, which can foreshadow a margin problem or a product-quality issue. GoPro's filing situates the policy within its broader treatment of hardware sales, noting for example that for direct GoPro.com purchases the company "retains a portion of the risk of loss on these sales during transit, which are accounted for as fulfillment costs" — a reminder that the warranty accrual is one of several post-sale cost estimates a hardware company must make.

The size of the accrual scales with both volume and coverage terms, and the European Union's mandatory 24-month term is a concrete example of how geography changes the math. A company selling the same device in the EU carries a longer tail of potential claims than it does in a 12-month market, so a shift in sales mix toward the EU raises the expected warranty cost per unit even with identical product reliability. The accrual also interacts with recalls: when a company identifies a defect affecting a population of already-sold units, it must record its best estimate of the recall and repair cost, and that charge typically runs through the same cost-of-sales line that warranty does, hitting product gross margin in the period it is recognized. This is why a quality event shows up twice in the financials — once as a one-time charge and again as a higher ongoing warranty-accrual rate.

What it tells a reader

For an investor or operator, the warranty accrual is a small but informative line. A rising accrual rate — warranty cost as a share of product revenue — can signal product-quality issues or a shift toward markets with longer mandated coverage. A sudden charge to increase the accrual often accompanies a recall and directly hits gross margin in the period booked. And because the accrual is an estimate built on historical failure rates, a new or substantially redesigned product carries more estimation risk than a mature one. The disclosure is required because the obligation is a genuine liability, and reading it alongside gross margin and any recall language is how a careful reader catches a quality problem before it is fully priced in.