# A10 Networks, Inc.: overview

ATEN · NYSE · CIK 1580808 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/aten.md) · [Financials](/companies/aten/financials.md) · [Filings](/companies/aten/filings.md) · [Insiders](/companies/aten/insiders.md)

Latest reported revenue: [$80.1m](/filings/0001580808-26-000045.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 6, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001580808-26-000045).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [66.7](/filings/0001580808-25-000111.md) | [74.2 d](/filings/0001580808-26-000014.md) | [66.1](/filings/0001580808-26-000032.md) | [69.4](/filings/0001580808-26-000045.md) | [74.7](/filings/0001580808-25-000111.md) | [80.4 d](/filings/0001580808-26-000014.md) | [75.0](/filings/0001580808-26-000032.md) | [80.1](/filings/0001580808-26-000045.md) |
| Gross margin | % | [80.5%](/filings/0001580808-25-000111.md) | [79.9% d](/filings/0001580808-26-000014.md) | [79.7%](/filings/0001580808-26-000032.md) | [78.9%](/filings/0001580808-26-000045.md) | [80.1%](/filings/0001580808-25-000111.md) | [78.7% d](/filings/0001580808-26-000014.md) | [79.6%](/filings/0001580808-26-000032.md) | [79.1%](/filings/0001580808-26-000045.md) |
| Operating margin | % | [15.7%](/filings/0001580808-25-000111.md) | [24.8% d](/filings/0001580808-26-000014.md) | [13.3%](/filings/0001580808-26-000032.md) | [14.9%](/filings/0001580808-26-000045.md) | [17.4%](/filings/0001580808-25-000111.md) | [18.7% d](/filings/0001580808-26-000014.md) | [17.3%](/filings/0001580808-26-000032.md) | [11.3%](/filings/0001580808-26-000045.md) |
| Net margin | % | [18.9%](/filings/0001580808-25-000111.md) | [24.7% d](/filings/0001580808-26-000014.md) | [14.4%](/filings/0001580808-26-000032.md) | [15.2%](/filings/0001580808-26-000045.md) | [16.3%](/filings/0001580808-25-000111.md) | [12.3% d](/filings/0001580808-26-000014.md) | [16.0%](/filings/0001580808-26-000032.md) | [11.1%](/filings/0001580808-26-000045.md) |
| Diluted EPS | $ per share | [0.17](/filings/0001580808-25-000111.md) | not reported | [0.13](/filings/0001580808-26-000032.md) | [0.14](/filings/0001580808-26-000045.md) | [0.17](/filings/0001580808-25-000111.md) | not reported | [0.17](/filings/0001580808-26-000032.md) | [0.12](/filings/0001580808-26-000045.md) |
| Free cash flow | $m | [16.7 d](/filings/0001580808-25-000111.md) | [23.3 d](/filings/0001580808-26-000014.md) | [12.7](/filings/0001580808-26-000032.md) | [17.9 d](/filings/0001580808-26-000045.md) | [18.1 d](/filings/0001580808-25-000111.md) | [16.0 d](/filings/0001580808-26-000014.md) | [(0.7)](/filings/0001580808-26-000032.md) | [27.5 d](/filings/0001580808-26-000045.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [250](/filings/0001580808-24-000049.md) | [280](/filings/0001580808-25-000043.md) | [252](/filings/0001580808-26-000014.md) | [262](/filings/0001580808-26-000014.md) | [291](/filings/0001580808-26-000014.md) |
| Gross margin | % | [78.6%](/filings/0001580808-24-000049.md) | [79.7%](/filings/0001580808-25-000043.md) | [80.9%](/filings/0001580808-26-000014.md) | [80.4%](/filings/0001580808-26-000014.md) | [79.3%](/filings/0001580808-26-000014.md) |
| Operating margin | % | [13.4%](/filings/0001580808-24-000049.md) | [18.9%](/filings/0001580808-25-000043.md) | [15.4%](/filings/0001580808-26-000014.md) | [16.8%](/filings/0001580808-26-000014.md) | [16.2%](/filings/0001580808-26-000014.md) |
| Net margin | % | [37.9%](/filings/0001580808-24-000049.md) | [16.7%](/filings/0001580808-25-000043.md) | [15.9%](/filings/0001580808-26-000014.md) | [19.2%](/filings/0001580808-26-000014.md) | [14.5%](/filings/0001580808-26-000014.md) |
| Diluted EPS | $ per share | [1.19](/filings/0001580808-24-000049.md) | [0.60](/filings/0001580808-25-000043.md) | [0.53](/filings/0001580808-26-000014.md) | [0.67](/filings/0001580808-26-000014.md) | [0.57](/filings/0001580808-26-000014.md) |
| Free cash flow | $m | [44.9](/filings/0001580808-24-000049.md) | [55.3](/filings/0001580808-25-000043.md) | [33.6](/filings/0001580808-26-000014.md) | [78.2](/filings/0001580808-26-000014.md) | [64.8](/filings/0001580808-26-000014.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/aten/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $506.9m | 13,568,496 |  | Added +480,219 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $129.3m | 3,462,058 |  | Added +74,210 |
| [FIRST TRUST ADVISORS LP](/funds/1125816.md) | 2026-06-30 | $121.2m | 3,244,739 |  | Added +1,524,922 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $115.2m | 3,082,631 |  | Reduced −7,554 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $114.7m | 3,071,071 |  | Reduced −49,944 |
| [Boston Trust Walden Corp](/funds/1534866.md) | 2026-06-30 | $90.3m | 2,416,808 |  | Added +243,547 |
| [WELLINGTON MANAGEMENT GROUP LLP](/funds/902219.md) | 2026-06-30 | $73.2m | 1,959,853 |  | Reduced −114,658 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $67.8m | 1,813,638 |  | Added +96,232 |
| [GOLDMAN SACHS GROUP INC](/funds/886982.md) | 2026-06-30 | $66.7m | 1,784,946 |  | Added +598,203 |
| [DIMENSIONAL FUND ADVISORS LP](/funds/354204.md) | 2026-06-30 | $59.7m | 1,599,129 |  | Reduced −36,818 |

## Recent filings

[All 909 filings](/companies/aten/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-14 | 09:05 ET | [8-K](/filings/0001580808-26-000048.md) | 5.02 Departure or appointment of officers or directors | 0001580808-26-000048 |
| 2026-08-07 | 21:28 ET | [8-K](/filings/0001193125-26-338817.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-338817 |
| 2026-08-06 | 16:04 ET | [10-Q](/filings/0001580808-26-000045.md) | Quarterly report, period 2026-06-30 | 0001580808-26-000045 |
| 2026-08-05 | 16:13 ET | [8-K](/filings/0001580808-26-000042.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001580808-26-000042 |
| 2026-08-05 | 16:03 ET | [8-K](/filings/0001580808-26-000041.md) | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits | 0001580808-26-000041 |
| 2026-05-07 | 16:22 ET | [8-K](/filings/0001580808-26-000033.md) | 5.02 Departure or appointment of officers or directors | 0001580808-26-000033 |
| 2026-05-07 | 16:20 ET | [10-Q](/filings/0001580808-26-000032.md) | Quarterly report, period 2026-03-31 | 0001580808-26-000032 |
| 2026-05-01 | 16:26 ET | [8-K](/filings/0001580808-26-000026.md) | 5.02 Departure or appointment of officers or directors | 0001580808-26-000026 |
| 2026-04-28 | 16:10 ET | [8-K](/filings/0001580808-26-000023.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001580808-26-000023 |
| 2026-04-23 | 16:36 ET | [8-K](/filings/0001580808-26-000019.md) | 5.07 Shareholder vote results | 0001580808-26-000019 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001580808-26-000014.md), filed Feb 25, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/4419efbe-270d-4512-acf1-3c439fc9f1af)

## About the filer

- CIK: 1580808
- Tickers: ATEN
- Exchange: NYSE
- SIC code: 3576 Computer Communications Equipment
- State of incorporation: DE
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 30, 2026, 13:40 ET. No prices; not investment advice.