908 Devices Inc. Revenue Disclosure

Revenue Recognition

The Company recognizes revenue from sales to customers under ASC 606, Revenue from Contracts with Customers (“ASC 606”), by applying the following five steps: (1) identification of the contract, or contracts, with a customer, (2) identification of the performance obligations in the contract, (3) determination of the transaction price, (4) allocation of the transaction price to the performance obligations in the contract and (5) recognition of revenue when, or as, performance obligations are satisfied.

For a contract with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation on a relative standalone selling price basis using the Company’s best estimate of the standalone selling price of each distinct product or service in the contract. The primary method used to estimate standalone selling price is the price observed in standalone sales to customers; however, when prices in standalone sales are not available the Company may use third party pricing for similar products or services or estimate the standalone selling price, which is set by management. Allocation of the transaction price is determined at the contract’s inception and is not updated to reflect changes between contract inception and when the performance obligations are satisfied.

Contract assets arise from unbilled amounts in customer arrangements when revenue recognized exceeds the amount billed to the customer and the Company’s right to payment is not only subject to the passage of time. The Company had no contract assets related to revenue as of December 31, 2025 or 2024.

Contract liabilities represent the Company’s obligation to transfer goods or services to a customer for which it has received consideration (or the amount is due) from the customer. The Company has determined that its only contract liability related to deferred revenue, which consists of amounts that have been invoiced but that have not been recognized as revenue. Amounts expected to be recognized as revenue within 12 months of the balance sheet date are classified as current deferred revenue and amounts expected to be recognized as revenue beyond 12 months of the balance sheet date are classified as noncurrent deferred revenue.

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Product and Service Revenue

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The Company derives product and service revenue primarily from the sale of devices and related consumables and services. Revenue is recognized when control of the promised devices, consumables or services is transferred to the Company’s customers, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those devices, consumables or services (the transaction price). A performance obligation is a promise in a contract to transfer a distinct product or service to a customer and is the unit of accounting under ASC 606. For devices and consumables sold by the Company, control transfers to the customer at a point in time. To indicate the transfer of control, the Company must have a present right to payment, legal title must have passed to the customer, the customer must have the significant risks and rewards of ownership, and where acceptance is other than perfunctory, the customer must have accepted the product or service. The Company’s principal terms of sale are freight on board (“FOB”) shipping point, or equivalent, and, as such, the Company primarily transfers control and records revenue for devices and consumables sales upon shipment. Sales arrangements with delivery terms that are not FOB shipping point are not recognized upon shipment and the transfer of control for revenue recognition is evaluated based on the associated shipping terms and customer obligations. If a performance obligation to the customer with respect to a sales transaction remains to be fulfilled following shipment (typically installation or acceptance by the customer), revenue recognition for that performance obligation is deferred until such commitments have been fulfilled. For extended warranty and support, control transfers to the customer over the term of the arrangement. Revenue for extended warranty and support is recognized based upon the period of time elapsed under the arrangement as this period represents the transfer of benefits or services under the agreement.

The Company recognizes a receivable at the point in time at which it has an unconditional right to payment. Such receivables are not contract assets. Payment terms for customer orders, including for each of the Company’s primary performance obligations, are typically 30 to 90 days after the shipment or delivery of the product, and such payments typically do not include payments that are variable, dependent on specified factors or events. In limited circumstances, there exists a right of return for product if agreed to by the Company. Revenue is only recognized for those goods that are not expected to be returned such that it is probable that there will not be a significant reversal of cumulative revenue. Service arrangements commonly call for payments in advance of performing the work (e.g., extended warranty/service contracts), upon completion of the service or a mix of both. The Company does not enter into significant financing agreements or other forms of variable consideration.

Deferred Revenue

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The following is a summary of the activity of the Company’s deferred revenue (in thousands):

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The amount of deferred revenue equals the transaction price allocated to unfulfilled performance obligations for the period presented. Such deferred revenue amounts related to revenue are expected to be recognized in the future as follows (in thousands):

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Revenue from Contracts with Customers

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The Company’s customers primarily consist of federal and defense entities, state authorities and local municipalities, foreign national and provincial organizations and other institutions.

Distribution Channels

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A majority of the Company’s revenue is generated by sales in conjunction with its channel partners, such as its international channel partners and, in the United States, for end customers where a government contract is required or a customer has a pre-existing relationship. When the Company transacts with a channel partner, its contractual arrangement is with the partner and not with the end-use customer. Whether the Company transacts business with and receives the order from a channel partner or directly from an end-use customer, its revenue recognition policy and resulting pattern of revenue recognition for the order are the same.

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Disaggregated Revenue

The Company’s revenue consists of sales of devices and recurring revenue which includes consumables, accessories, the sale of service and extended warranty plans and contract revenue. The following table presents the Company’s revenue by revenue stream (in thousands):

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The following table presents the Company’s revenue by source (in thousands):

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Revenue based on the end-user entity type for the Company’s revenue are presented below (in thousands):

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The following table disaggregates the Company’s revenue from contracts with customers by geography, which are determined based on the customer location (in thousands):

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Customer Commitment

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In June 2025, the Company entered into a Master Supply Agreement with a large analytical instrumentation customer (“OEM Customer”), who is an existing customer of the Company and a customer of KAF. The OEM Customer committed to $6.6 million of orders over the initial three years with a minimum initial cancelation fee of $2.6 million. In addition, in July 2025, the OEM Customer paid an upfront cash payment of $0.75 million to secure the supply of precision optical components and assemblies and the fee will be recognized over the initial term of the Master Supply

Agreement. As of December 31, 2025, $0.7 million of the upfront payment is recorded in deferred revenue and deferred revenue, net of current portion.