A10 Networks Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:ATEN Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
13 Aug 25	SellUS$115,392	Brian Becker	Individual	6,400	US$18.03
06 Dec 24	SellUS$14,770	Robert Weber	Individual	812	US$18.19
27 Nov 24	SellUS$20,340	Brian Becker	Individual	1,200	US$16.95
14 Nov 24	SellUS$388,615	Summit Partners, L.P.	Company	23,754	US$16.36
13 Nov 24	SellUS$1,301,967	Summit Partners, L.P.	Company	78,479	US$16.59
12 Nov 24	SellUS$102,905	Karen Thomas	Individual	6,162	US$16.70

Insider Trading Volume

Insider Buying: ATEN insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of ATEN?
Owner Type	Number of Shares	Ownership Percentage
State or Government	33,259	0.0452%
Individual Insiders	1,158,552	1.57%
Institutions	72,425,473	98.4%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 75.74% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
18.3%	BlackRock, Inc.	13,229,713	US$247.0m	-0.92%	no data
10.2%	The Vanguard Group, Inc.	7,327,617	US$136.8m	-0.9%	no data
5.5%	Penserra Capital Management LLC	3,964,989	US$74.0m	56.2%	0.84%
4.61%	State Street Global Advisors, Inc.	3,322,653	US$62.0m	-0.59%	no data
3.74%	Mirae Asset Global Investments Co., Ltd.	2,701,590	US$50.4m	-0.63%	0.04%
3.46%	Renaissance Technologies LLC	2,499,906	US$46.7m	6.09%	0.06%
3%	Boston Trust Walden Company	2,162,796	US$40.4m	31.4%	0.27%
2.7%	First Trust Advisors LP	1,949,423	US$36.4m	12.4%	0.02%
2.47%	Geode Capital Management, LLC	1,783,557	US$33.3m	2.97%	no data
2.38%	Dimensional Fund Advisors LP	1,714,046	US$32.0m	-1.33%	no data
2.09%	T. Rowe Price Group, Inc.	1,504,855	US$28.1m	-0.8%	no data
2.03%	Wellington Management Group LLP	1,465,291	US$27.4m	29.7%	no data
1.91%	Punch & Associates Investment Management, Inc.	1,375,889	US$25.7m	1%	1.51%
1.81%	Arrowstreet Capital, Limited Partnership	1,306,664	US$24.4m	39.2%	0.02%
1.38%	Legal & General Investment Management Limited	992,678	US$18.5m	349%	no data
1.31%	First Trust Portfolios L.P.	946,900	US$17.7m	0%	3.21%
1.15%	Harbor Capital Advisors, Inc.	828,616	US$15.5m	2.46%	0.53%
1.05%	Northern Trust Global Investments	754,896	US$14.1m	-1.41%	no data
1.02%	BNY Asset Management	733,952	US$13.7m	-12.9%	no data
1%	Royce & Associates, LP	722,169	US$13.5m	1.95%	0.12%
0.98%	Charles Schwab Investment Management, Inc.	705,725	US$13.2m	4.45%	no data
0.96%	UBS Asset Management AG	689,728	US$12.9m	20.6%	no data
0.94%	Morgan Stanley	676,890	US$12.6m	-37.3%	no data
0.93%	Barclays PLC	668,025	US$12.5m	-0.95%	0.01%
0.86%	Marshall Wace LLP	617,671	US$11.5m	5.51%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/10/07 15:30
End of Day Share Price	2025/10/07 00:00
Earnings	2025/06/30
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

A10 Networks, Inc. is covered by 19 analysts. 7 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Tal Liani	BofA Global Research
Gray Powell	BTIG
Rohit Chopra	Buckingham Research Group Inc.