Cerebras Systems Inc. (CBRS) SEC Filings & Earnings Calls

Dependence on rapid capacity expansion and supply chain execution to meet demand.

“Manufacturing capacity to scale more than 10x in 2026; supply chain advantages cited but execution risk remains.”

Significant GAAP operating losses despite improving core margins.

“GAAP operating margin of (265%); core operating margin still negative at (16%).”

Customer concentration

“A substantial portion of our revenue has been, and is expected to continue to be, driven by a limited number of customers.” · word for word

Execution risk on MRA with OpenAI

“If we fail to deliver such capacity on the stated timelines, or if we experience a certain level of failure with respect to our service levels, OpenAI has the right to terminate a portion or all of the agreement.” · word for word

Supply chain dependency

“We depend on one third-party foundry, Taiwan Semiconductor Manufacturing Company Limited (“TSMC”), to manufacture our proprietary processor” · word for word

Material weaknesses in internal controls

“We identified material weaknesses in our internal control over financial reporting.” · word for word

Data center availability and cost

“demand for data center capacity is currently very high and in many cases, developers lack demonstrable experience across required phases of data center projects” · word for word

Customer concentration

“Customer A accounted for 63% of total revenues for the three months ended March 31, 2026.”

Supply chain dependency

“We depend on one third-party foundry, TSMC, to manufacture our proprietary processor.”

Internal control weaknesses

“We identified material weaknesses in our internal control over financial reporting.”

Data center capacity risk

“If we underestimate customer demand or our data center capacity needs, we may face shortages of available infrastructure.”

Export control risk

“We cannot guarantee that we will be successful in obtaining all required licenses in the future.”

Dependence on key customers/partners (OpenAI, AWS).

“Multi-year deal with OpenAI valued at >$20B; partnership with AWS.” · word for word

Negative GAAP operating loss ($15M) and core operating loss ($3.5M) indicate ongoing losses.

“GAAP loss from operations of $15.0M; core operating loss of $3.5M.”