About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

Reset

Showing: ticker ATEN

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Aug 25, 2026Dana Elizabeth Wolf
Director
ATEN
A10 Networks, Inc.
Sale2,652$25.65$68.0K SaleForm 4 ↗
Aug 11, 2026Robert Scott Weber
General Counsel
ATEN
A10 Networks, Inc.
Sale14,086$27.86$392.4K SaleForm 4 ↗
May 5, 2026Eric Singer
Director
ATEN
A10 Networks, Inc.
Sale24,698$27.21$672.0K SaleForm 4 ↗
Feb 13, 2026Dhrupad Trivedi
Chief Executive Officer, Director
ATEN
A10 Networks, Inc.
Sale33,334$20.55$685.0K SaleForm 4 ↗
Feb 12, 2026Dhrupad Trivedi
Chief Executive Officer, Director
ATEN
A10 Networks, Inc.
Sale33,333$20.56$685.3K SaleForm 4 ↗
Feb 11, 2026Dhrupad Trivedi
Chief Executive Officer, Director
ATEN
A10 Networks, Inc.
Sale33,333$20.69$689.7K SaleForm 4 ↗
Aug 13, 2025Brian Becker
Chief Financial Officer
ATEN
A10 Networks, Inc.
Sale6,400$18.03$115.4K SaleForm 4 ↗
May 28, 2025Robert Scott Weber
General Counsel
ATEN
A10 Networks, Inc.
Sale2,500$17.48$43.7K SaleForm 4 ↗
May 27, 2025Robert Scott Weber
General Counsel
ATEN
A10 Networks, Inc.
Sale2,500$17.26$43.1K SaleForm 4 ↗
Mar 4, 2025Dhrupad Trivedi
Chief Executive Officer, Director
ATEN
A10 Networks, Inc.
Sale26,813$19.80$530.9K SaleForm 4 ↗
Mar 3, 2025Dhrupad Trivedi
Chief Executive Officer, Director
ATEN
A10 Networks, Inc.
Sale26,812$20.59$552.1K SaleForm 4 ↗
Feb 28, 2025Dhrupad Trivedi
Chief Executive Officer, Director
ATEN
A10 Networks, Inc.
Sale26,813$20.57$551.5K SaleForm 4 ↗
Dec 6, 2024Robert Scott Weber
General Counsel
ATEN
A10 Networks, Inc.
Sale812$18.19$14.8K SaleForm 4 ↗
Nov 27, 2024Brian Becker
Chief Financial Officer
ATEN
A10 Networks, Inc.
Sale1,200$16.95$20.3K SaleForm 4 ↗
Nov 14, 2024Peter Y. Chung
Director
ATEN
A10 Networks, Inc.
Sale23,754$16.36$388.6K SaleForm 4 ↗
Nov 13, 2024Peter Y. Chung
Director
ATEN
A10 Networks, Inc.
Sale78,479$16.59$1.3M SaleForm 4 ↗
Nov 12, 2024Karen S. Thomas
EVP, Worldwide Sales and Mkt
ATEN
A10 Networks, Inc.
Sale6,162$16.70$102.9K SaleForm 4 ↗

17 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 5:38 PM EST.

Download CSV The rows of this feed, with the filters above. A download holds at most 10,000 rows; narrow the filters to get a smaller slice.

Other feeds: Congressional trades · Executive-branch trades · Bills in Congress · Roll-call votes · Corporate PAC donations · Lobbying · Capitol Hires · Lobbying and contracts · Government contracts · Planned insider sales · Executive pay · Ownership stakes (13D / 13G) · Institutional holdings (13F) · Short interest · Fails to deliver · Daily short volume · Wikipedia page views · App store ratings · H-1B visa applications · Stock splits · 8-K events · IPO filings · Deals · Private placements (Form D) · Merger clearances (HSR) · Layoff notices (WARN) · SEC enforcement · Patents · Clinical trial updates · FDA approvals and clearances