A10 Networks: Sell as 3.83% Revenue Growth Fails to Support 2.00x DCF Multiple
Disciplined 16.14% GAAP operating margins and carrier-grade ADC stability cannot bridge a valuation pricing 22.54% annual owner cash compounding on $310.17M of slow-growing telecom and data center revenue.
Score Locked · Full AccessResearchPublished Nov 9, 2026 · Data as of Jun 30, 2026· 2 min read · 2 exhibits
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A10 Networks generated $310.17M in trailing twelve-month GAAP revenue (+3.83% year over year), $50.08M in GAAP operating income (16.14% margin), and $60.94M in GAAP free cash flow (19.65% margin) across global telecommunications carriers, cloud service providers, and large enterprise data centers. [1] Over the four-year span from FY2022 ($280.34M
Our variant perception separates operational respectability from equity mispricing. Equity bulls have bid A10 Networks up to $17.58 per share (roughly $1.33B fully diluted market cap, or 35.4x trailing SBC-burdened Owner FCF of $37.55M) on narratives framing Thunder Application Delivery Controllers (ADCs) and Threat Protection System (TPS) DDoS appliances as secular data-center buildout beneficiaries.
[2] Primary SEC filings tell a far more grounded story: A10 remains heavily exposed to episodic Tier-1 telecom carrier capex budgets in North America and Japan, where Carrier-Grade Network Address Translation (CGN) and 5G packet-core upgrades arrive in multi-year bursts followed by prolonged digestion troughs such as FY2023's -10.22% revenue contraction. [1]
Even crediting management for a debt-free balance sheet ($54.68M cash, zero debt) and disciplined net share repurchases that reduced shares outstanding by 2.08% annually since FY2021, stock-based compensation has crept steadily higher from 4.76% of revenue in FY2022 to 7.54% ($23.39M) in TTM Q2 2026. [1] With $17.58 sitting 43.74% above even our optimistic $12.23 bull-case DCF mark, risk-reward skews decisively negative and warrants a Sell rating. [1][2]
Exhibit 1Financial Schedule
A10 Networks sustained ~79% gross margins and positive GAAP EBIT across a slow 4-year revenue cycle
Filed annual and trailing twelve-month GAAP operating results and SBC-burdened owner free cash flow.
Line
FY2022
FY2023
FY2024
FY2025
TTM Q2 26
Growth & Gross Profit
RevenueFiled GAAP hardware/software product and support maintenance revenue
$280.34M
$251.70M
$261.70M
$290.56M
$310.17M
Gross profit
$223.51M
$203.74M
$210.28M
$230.52M
$246.21M
Gross marginSupported by ACOS software value-add and high-margin maintenance renewals
79.7%
80.9%
80.4%
79.3%
79.4%
Operating Profit & Owner Cash
Operating income (EBIT)
$53.08M
$38.65M
$43.97M
$47.14M
$50.08M
Free cash flowGAAP operating cash flow less capital expenditures ($15.92M TTM CapEx)
Source: A10 Networks, Inc. SEC Form 10-K and Form 10-Q filings.
Exhibit 2Data Exhibit
Revenue edged past $310M in TTM Q2 2026 while FCF margin normalized from working-capital highs
Filed annual and TTM GAAP revenue (primary bars) and free cash flow margin (secondary line).
Revenue
FCF margin
Source: A10 Networks, Inc. SEC Form 10-K and Form 10-Q filings.
Post-reset Vector ad-network gains lifted TTM revenue +13.6% to $2.03B, yet $616.0M in GAAP operating losses, $341.9M in SBC, and 55.2% multi-year share expansion cap DCF fair value at $9.13.
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