ATEN at a glance
A10 Networks, Inc. (ATEN, SEC CIK 1580808) filed its latest 10-K annual report on February 25, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on September 14, 2026 and Form 4 insider filings as recently as August 25, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), A10 Networks, Inc. (ATEN) reported revenue of $290.6 million (up 11.0% from FY2024) and net income of $42.1 million. Diluted EPS was $0.57.
- As of June 30, 2026, 32 institutional investment managers tracked by SignalX reported holding A10 Networks, Inc. (ATEN) shares worth $1.5 billion in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by Wolf Dana Elizabeth on August 25, 2026 of 2,652 shares at $25.65 per share.
- In the last 90 days, ATEN insiders reported 0 open-market purchases ($0) and 2 open-market sales ($460K) on Form 4, a net sale of $460K.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $290.6M
- +11.0% vs prior year
- Insiders · 90 days
- 0 buys · 2 sells
- Net −$460K
- 13F holders
- 32 funds
- $1.5B · +0 vs prior quarter
- Latest 8-K
- Sep 14, 2026
- Item 5.02
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Dec 31, 2025
Business Overview
- Core business model: Secure application and network infrastructure solutions for enterprises and service providers across on-premises, hybrid cloud, and distributed environments
- New emphasis: Acquisition of ThreatX Protect in Feb 2025, expanding cloud-delivered web application and API protection capabilities
- Strategic shift: Accelerating transition to subscription, term-based, and software-focused offerings to support recurring revenue and flexible consumption
- Notable metric: Revenue growth to $290.6 million in 2025, up from $261.7 million in 2024; 96% revenue via distribution channels in 2025
- Unique fact: Sales presence expanded to 23 countries with plans to grow headcount in new geographies
Risk Factors
- Board oversight and Audit Committee review of cybersecurity risk with quarterly IT control reports and annual policy discussions
- Head of Information Security, Sean Pike, leads cybersecurity team with 25+ years experience including roles at VMware and Business Wire
- Formal incident response plan with escalation process notifying executive management and Audit Committee of significant cybersecurity events
- On-demand third-party vendor support available for cybersecurity incident response and investigation
- Cross-functional cybersecurity risk management involving Legal, Human Resources, and Internal Audit departments
Management Discussion & Analysis
- Revenue $290.6M, up 11% YoY including products $167.1M (+20%) and services $123.5M (+1%)
- Operating margin 16.2% vs 16.8%, gross margin 79.3% vs 80.4%, products margin 80.0% vs 77.7%, services margin 78.4% vs 83.4%
- Best segment Americas $175.2M (+30%), worst APJ $70.5M (-19%) in 2025 vs 2024
- Net income $42.1M, down 16%, interest income $11.6M vs $6.7M, provision for income taxes $10.3M vs $8.0M
AI summary of the ATEN 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Management Discussion & Analysis
- Revenue $80.1M, up 15.5% YoY from $69.4M, led by products revenue up 25.1% to $49.0M
- Gross margin 79.1% vs 78.9% YoY; operating margin 11.3% vs 14.9%; net margin 11.1% vs 15.2%
- Best performer Americas revenue $54.8M, up 33%; worst performer EMEA revenue $8.6M, down 16%
- Cash $54.7M plus marketable securities $302.7M; operating cash flow $31.3M vs $39.4M
- Tariffs and trade restrictions creating volatility, uneven spending, and potential input-cost increases; 2026 R&D spending expected to increaseેણ
Risk Factors
- No risk-factors section provided; filing excerpt contains Items 2, 5, and 6 only
- Acquisition consideration: 153,962 shares issued to TrojAI shareholders on June 15, 2026
- Share repurchase capacity: $53.077 million remaining under the $75 million 2025 Program
- Insider trading plans: sales of up to 14,086 and 10,608 shares by executives or directors
- Securities compliance: TrojAI shares issued under Section 4(a)(2) and Regulation D exemptions
AI summary of the ATEN 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 5.02: Departure/Appointment of Directors or Principal Officers
- Board expanded from five to six members with Mary C. Henry’s appointment effective October 5, 2026
- Henry’s term runs through the 2027 Annual Meeting and until a successor qualifies
Item 8.01: Other Events
- A10 filed a legal opinion supporting securities issuance under automatic shelf registration Form S-3
- Prospectus supplement filed August 6, 2026, enabling potential future securities sales
Item 1.01: Entry into a Material Definitive Agreement
- Microsoft can acquire up to 800,000 A10 shares at $0.01 per share
- Vesting tied to Microsoft purchase thresholds through June 30, 2027 and June 30, 2028
AI summaries of ATEN 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for ATEN
Don't miss the next ATEN filing
- Alerts as it files. A push when ATEN files an 8-K or an insider trades.
- Fund moves. Which tracked funds opened, added or cut ATEN, by share count.
- Ask anything. An AI agent that reads every ATEN filing and answers with sources.
Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Wolf Dana Elizabeth | Sell | Aug 25, 2026 | 2,652 | $25.65 |
| Weber Robert Scott | Sell | Aug 11, 2026 | 14,086 | $27.86 |
| Weber Robert Scott | F | Jul 6, 2026 | 1,897 | $36.30 |
| Weber Robert Scott | F | May 15, 2026 | 1,930 | $28.03 |
| Caron Michelle Elizabeth | F | May 15, 2026 | 748 | $27.00 |
| Trivedi Dhrupad | F | May 15, 2026 | 32,858 | $28.03 |
| Caron Michelle Elizabeth | F | May 15, 2026 | 760 | $28.03 |
| Weber Robert Scott | M | May 14, 2026 | 3,706 | - |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | - | $261.7M | $290.6M |
| Gross Profit | - | $210.3M | $230.5M |
| Operating Income | - | $44.0M | $47.1M |
| Net Income | - | $50.1M | $42.1M |
| Gross Margin | - | 80.4% | 79.3% |
| Op. Margin | - | 16.8% | 16.2% |
| Net Margin | - | 19.2% | 14.5% |
| Balance Sheet | |||
| Total Assets | $389.8M | $432.8M | $629.8M |
| Equity | $207.9M | $231.8M | $211.5M |
| ROE | - | 21.6% | 19.9% |
| Per Share | |||
| EPS | - | $0.67 | $0.57 |
| Cash Flow | |||
| Operating CF | - | $90.5M | $84.9M |
| CapEx | - | $12.3M | $20.1M |
Source: XBRL data in A10 Networks, Inc. (ATEN)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate ATEN share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 32 | $1.46B |
| Q1 2026 | 32 | $835.6M |
| Q4 2025 | 28 | $626.4M |
| Q3 2025 | 30 | $658.8M |
| Q2 2025 | 31 | $701.2M |
| Q1 2025 | 26 | $372.8M |
| Q4 2024 | 20 | $349.8M |
| Q3 2024 | 18 | $168.9M |
- FMR LLC (Fidelity)+1.41M (+5002%)
- Invesco Ltd+880.4K (+243%)
- Goldman Sachs Group+598.2K (+50%)
- BlackRock+480.2K (+4%)
- D.E. Shaw & Co+284.2K (+108%)
- Citadel Advisors LLC−420.8K (-82%)
- Renaissance Technologies LLC−264.7K (-15%)
- Millennium Management−239.3K (-58%)
- Two Sigma Investments−195.0K (-15%)
- T. Rowe Price Group−178.4K (-17%)
Source: 13F-HR filings on SEC EDGAR (aggregated from 217 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
ATEN filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-K annual reports
10-Q quarterly reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 8-K | Sep 14, 2026 | - | Analysis | - |
| 4 | Aug 25, 2026 | - | - | - |
| 4 | Aug 12, 2026 | - | - | - |
| 8-K | Aug 7, 2026 | - | Analysis | - |
| 10-Q | Aug 6, 2026 | Jun 30, 2026 | Analysis | |
| 8-K | Aug 5, 2026 | - | Analysis | - |
| 8-K | Aug 5, 2026 | - | Analysis | - |
| SC 13G | Jul 30, 2026 | - | - | |
| 4 | Jul 6, 2026 | - | - | - |
| 4 | May 15, 2026 | - | - | |
| 4 | May 15, 2026 | - | - | |
| 4 | May 15, 2026 | - | - | |
| 4 | May 15, 2026 | - | - | |
| 4 | May 15, 2026 | - | - | |
| 4 | May 15, 2026 | - | - | |
| 10-Q | May 7, 2026 | Mar 31, 2026 | Analysis | |
| 8-K | May 7, 2026 | - | Analysis | |
| 4 | May 6, 2026 | - | - | |
| 4 | May 6, 2026 | - | - | |
| 4 | May 6, 2026 | - | - | |
| 4 | May 6, 2026 | - | - | |
| 8-K | May 1, 2026 | - | Analysis | - |
| SC 13G | Apr 29, 2026 | - | - | |
| 8-K | Apr 28, 2026 | - | Analysis | - |
| 4 | Apr 24, 2026 | - | - | - |
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ATEN SEC filings: frequently asked questions
Are ATEN insiders buying or selling?
In the last 90 days, A10 Networks, Inc. (ATEN) officers, directors and 10% owners reported no open-market purchases and 2 open-market sales worth $460,460 by 2 insiders on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold ATEN stock?
As of June 30, 2026, the largest A10 Networks, Inc. (ATEN) holders among the 13F filers tracked by SignalX were BlackRock ($506.9 million), Vanguard Portfolio Management LLC ($129.3 million), State Street Corp ($115.2 million), Vanguard Capital Management LLC ($114.7 million), Goldman Sachs Group ($66.7 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was ATEN's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), A10 Networks, Inc. (ATEN) reported revenue of $290.6 million (up 11.0% from FY2024) and net income of $42.1 million. Diluted EPS was $0.57. The figures come from the XBRL data in the 10-K.
What are the main risks in ATEN's latest 10-K?
In the 10-K filed February 25, 2026, A10 Networks, Inc. (ATEN) flagged: Board oversight and Audit Committee review of cybersecurity risk with quarterly IT control reports and annual policy discussions. Head of Information Security, Sean Pike, leads cybersecurity team with 25+ years experience including roles at VMware and Business Wire. (AI summary of the Risk Factors section.)
What did ATEN report in its latest 8-K?
A10 Networks, Inc. (ATEN) filed an 8-K on September 14, 2026 reporting Item 5.02 (Departure/Appointment of Directors or Principal Officers). Board expanded from five to six members with Mary C. Henry’s appointment effective October 5, 2026.
What are the latest ATEN SEC filings?
A10 Networks, Inc. (ATEN) filed its latest 10-K annual report on February 25, 2026, a 10-Q quarterly report on August 6, 2026, an 8-K current report on September 14, 2026 and a Form 4 insider filing on August 25, 2026.
What is ATEN's SEC CIK number?
A10 Networks, Inc. (ATEN)'s SEC Central Index Key (CIK) is 1580808. EDGAR lists every ATEN filing under that number.
Ask anything about ATEN
The research agent reads ATEN's filings, financials, insider trades and 13F holders, then answers with sources.