Arista Networks, Inc. — FY2021 Form 10-K
Reporting period: Fiscal year ended December 31, 2021. Although the request references 2021 Q4, this is an annual filing; the provided text does not give a clear standalone Q4 income statement or cash-flow summary.
Business context
Arista sells cloud networking systems built around its EOS operating system, switching and routing platforms, software, and support services. It is expanding beyond data-center networking into enterprise and campus networking, Wi-Fi, network monitoring, and security. It reported more than 8,000 end customers worldwide. Microsoft represented 15.0% of FY2021 revenue; no other customer exceeded 10% of annual revenue.
Financial highlights
| Metric | FY2021 | FY2020 | Change |
|---|---|---|---|
| Revenue | $2.948 billion | $2.318 billion | +27.2% |
| Product revenue | $2.378 billion | $1.831 billion | +29.9% |
| Service revenue | $570.3 million | $486.7 million | +17.2% |
| Gross profit / margin | $1.881 billion / 63.8% | $1.482 billion / 63.9% | Margin down 0.1 percentage point |
| Operating income | $924.7 million | $699.7 million | +32.2% |
| Net income | $840.9 million | $634.6 million | +32.5% |
| Diluted EPS | $2.63 | $2.00 | +31.5% |
| Cash from operations | $1.016 billion | $735.1 million | +$280.7 million |
Gross margin was nearly flat as higher supply-chain and support costs were mostly offset by improved product margins and a lower proportion of sales to large, discounted customers. Operating expenses rose 22.2% to $956.0 million, including increased R&D investment and personnel costs. Other income fell to $6.1 million from $39.2 million, primarily due to lower interest income and the absence of gains recorded in 2020. The effective tax rate declined to 9.7% from 14.1%, mainly due to stock-based compensation tax benefits and jurisdictional earnings mix.
Liquidity, cash flow and capital allocation
- Cash, cash equivalents and marketable securities totaled $3.4 billion at year-end, including approximately $576 million held outside the United States.
- Cash and marketable securities were $620.8 million and $2.788 billion, respectively. The filing does not identify interest-bearing debt on the balance sheet.
- Operating cash flow was $1.016 billion. Investing activities used $925.6 million, including net purchases of marketable securities and $64.7 million of property, equipment and intangible assets. Financing activities used $360.9 million, primarily for $411.6 million of share repurchases.
- Inventory rose to $650.1 million from $479.7 million, reflecting supply-chain buffers. Deferred revenue increased to $929.3 million from $650.8 million.
- Year-end non-cancellable purchase commitments were $2.540 billion, of which $2.319 billion was payable within 12 months; a further $275 million of extended-lead-time component commitments supported forecast 2023 demand. Operating lease payments totaled $87.0 million.
- Arista completed its prior $1.0 billion repurchase authorization and began a new $1.0 billion program; $927.0 million remained authorized at year-end. The program is discretionary and may be suspended.
Changes, outlook and risks
Revenue recovered strongly from FY2020’s 3.9% decline. Management attributed FY2021 growth to stronger demand from new and existing customers and broader acceptance of enterprise and campus products; international revenue share rose to 26.8% from 23.5%. Management expects to continue investing in R&D, sales and marketing, and product development, but provided no specific numeric FY2022 guidance in the supplied filing text.
COVID-19-related supply constraints, component shortages, longer lead times, logistics disruption and higher costs remained significant. Arista extended its demand-planning horizon and increased purchase commitments and inventory buffers, creating risk of excess or obsolete inventory if suppliers do not deliver or customer demand falls short. Competition, price pressure, customer concentration and large-customer purchasing cycles could also drive volatility. Microsoft was 15.0% of revenue, and three customers represented 37%, 13% and 12% of accounts receivable at year-end.
A WSOU patent case concerning certain wireless and switching products remained pending; trial was set for October 2023. The company stated that loss was reasonably possible but that the amount or range could not be estimated. The financial statements received an unqualified audit opinion, and the auditor reported effective internal control over financial reporting.
Important facts for investors to verify
- Whether supply availability, lead times and the $2.540 billion of purchase commitments align with realized customer demand and shipment timing.
- How customer concentration and large-customer buying patterns develop, including Microsoft’s share of revenue and receivables concentration.
- Whether margin performance can withstand component-cost inflation, pricing pressure and inventory write-down risk.
- The status and potential financial or operational impact of the WSOU litigation and any other material contingencies.
- Whether growth in campus, Wi-Fi, monitoring and security offerings contributes meaningfully alongside the core switching business; the filing provides no segment-level revenue breakdown.