ANET SEC Filing News — Arista Networks, Inc.

Latest SEC filings for Arista Networks, Inc. (ANET) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). StrongBuyAnalytics provides navigation and brief excerpts or summaries; original filings remain at the SEC/source links and were authored by their filers, not StrongBuyAnalytics. Filing dates shown are source dates. Coverage and detection can be delayed or incomplete because of SEC availability, amendments, parsing, caching, or outages. Latest source filing date shown: 2026-10-06.

Arista Networks, Inc. engages in the development, marketing, and sale of data-driven, client to cloud networking solutions for AI, data center, campus, and routing environments in the Americas, Europe, the Middle East, Africa, and the Asia-Pacific. Its cloud networking solutions consist of Extensible Operating System (EOS), a publish-subscribe state-sharing networking operating system offered in combination with a set of network applications. The company offers data center, cloud and AI networki…
Sector: Technology Industry: Computer Hardware Market Cap: $265.1B CIK: 1596532
20
Total Filings
0
Bullish Classifications
13
Bearish Classifications
12
Insider Transactions
0
Material Events (8-K)
0
Periodic Reports
Rule-based classifications for ANET currently lean bearish. Of the 20 filing records displayed, 13 carry bearish classifications (such as insider sales or negative 8-K disclosures) versus 0 bullish. This does not necessarily signal fundamental deterioration — insiders sell for many reasons — but it is worth monitoring alongside the company's core financial metrics.
ANET Filing Activity Snapshot 2026-08-25 — 2026-10-06
Insider Transactions (Form 4)
0 buys vs 9 sells
Net insider selling in this period — insiders sell for many reasons beyond conviction.
Largest Form 144 Filing
$97.64M
Ullal Jayshree · 2026-10-06
460,374 shares · Form 144
Form 144 Notices
8
Proposed insider sales filed — Form 144 is a notice of intent, not a confirmed transaction. Actual sales are confirmed via Form 4.
Insider Transactions 12 · Forms 3, 4 and 5

A Form 4 is filed within two business days of a company insider — an officer, a director, or a holder of more than ten percent of the stock — changing their position in the shares. All 12 filings in this group are Form 4s for Arista Networks, Inc.

The difficulty with reading these filings as a group is that a single form type covers transactions that mean entirely different things. An executive spending their own money to buy stock and an executive having shares withheld to pay tax on a vesting grant both appear as a Form 4. Every filing below is therefore tagged with the nature of the underlying transaction, taken from the transaction code reported on the form itself.

Across the 12 insider filings shown, the breakdown is 9 open-market sale and 3 other reported transaction. 9 of them involved a discretionary open-market trade; the rest are compensation and administrative mechanics.

What each transaction type means

Open-market sale ×9
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Other reported transaction ×3
The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.
Form 4 Open-market sale Insider Selling 2026-10-05

ANET insider TEMPLETON MARK B (Director) sold 5,000 shares (~$1.02M)

TEMPLETON MARK B, listed as Director at Arista Networks, Inc., reported an open-market sale of 5,000 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 700 $201.62 $141.1K
S Open-market sale 500 $202.90 $101.4K
S Open-market sale 1,800 $204.44 $368.0K
S Open-market sale 1,800 $205.58 $370.0K
S Open-market sale 200 $206.03 $41.2K
Filing: Form 4 (Insider Transaction) Insider: TEMPLETON MARK B (Director) Shares: 5,000 Est. Value: $1.02M
Form 4 Open-market sale Insider Selling 2026-09-29

ANET insider Ullal Jayshree (Director, CEO and Chairperson) sold 62,622 shares (~$13.24M)

Ullal Jayshree, listed as Director, CEO and Chairperson at Arista Networks, Inc., reported an open-market sale of 62,622 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 8,948 $211.40 $1.89M
S Open-market sale 8,948 $211.40 $1.89M
S Open-market sale 44,726 $211.40 $9.45M
Filing: Form 4 (Insider Transaction) Insider: Ullal Jayshree (Director, CEO and Chairperson) Shares: 62,622 Est. Value: $13.24M
Form 4 Open-market sale Insider Selling 2026-09-23

ANET insider Duda Kenneth (Director, President and CTO) sold 43,333 shares (~$8.82M)

Duda Kenneth, listed as Director, President and CTO at Arista Networks, Inc., reported an open-market sale of 43,333 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
M Option exercise 17,333 $14.15 $245.2K
S Open-market sale 1,480 $201.70 $298.5K
S Open-market sale 7,420 $202.66 $1.50M
S Open-market sale 2,700 $203.49 $549.4K
S Open-market sale 3,533 $204.78 $723.5K
S Open-market sale 2,200 $205.50 $452.1K
S Open-market sale 1,366 $201.70 $275.5K
S Open-market sale 6,849 $202.66 $1.39M
S Open-market sale 2,492 $203.49 $507.1K
S Open-market sale 3,262 $204.78 $668.0K
S Open-market sale 2,031 $205.50 $417.4K
S Open-market sale 854 $201.70 $172.3K
S Open-market sale 4,281 $202.66 $867.6K
S Open-market sale 1,558 $203.49 $317.0K
S Open-market sale 2,038 $204.78 $417.3K
S Open-market sale 1,269 $205.50 $260.8K
M Option exercise derivative · Non-Qualified Stock Option (right to buy) 17,333 — —
Filing: Form 4 (Insider Transaction) Insider: Duda Kenneth (Director, President and CTO) Shares: 43,333 Est. Value: $8.82M
Form 4 Open-market sale Insider Selling 2026-09-21

ANET insider BECHTOLSHEIM ANDREAS (10% Owner) sold 300,000 shares (~$59.69M)

BECHTOLSHEIM ANDREAS, listed as 10% Owner at Arista Networks, Inc., reported an open-market sale of 300,000 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 7,168 $193.61 $1.39M
S Open-market sale 29,271 $194.52 $5.69M
S Open-market sale 32,836 $195.47 $6.42M
S Open-market sale 20,418 $196.29 $4.01M
S Open-market sale 17,947 $197.51 $3.54M
S Open-market sale 26,435 $198.33 $5.24M
S Open-market sale 38,920 $199.58 $7.77M
S Open-market sale 58,043 $200.38 $11.63M
S Open-market sale 16,239 $201.34 $3.27M
S Open-market sale 15,701 $202.40 $3.18M
S Open-market sale 25,096 $203.56 $5.11M
S Open-market sale 11,926 $204.31 $2.44M
Filing: Form 4 (Insider Transaction) Insider: BECHTOLSHEIM ANDREAS (10% Owner) Shares: 300,000 Est. Value: $59.69M
Form 4 Other reported transaction Tax / Compensation Filing 2026-09-14

ANET insider Form 4 filed for equity award, exercise, or tax withholding

Duda Kenneth (Director, President and CTO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code Nature Shares Price Value
J Other transaction 28,616 — —
J Other transaction 28,616 — —
J Other transaction 57,232 — —
Filing: Form 4 (Insider Transaction) Insider: Duda Kenneth (Director, President and CTO) Shares: 114,464
Form 4 Open-market sale Insider Selling 2026-09-10

ANET insider TEMPLETON MARK B (Director) sold 5,000 shares (~$985.8K)

TEMPLETON MARK B, listed as Director at Arista Networks, Inc., reported an open-market sale of 5,000 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 1,300 $195.27 $253.8K
S Open-market sale 700 $196.20 $137.3K
S Open-market sale 1,000 $197.46 $197.5K
S Open-market sale 1,700 $198.44 $337.3K
S Open-market sale 300 $199.32 $59.8K
Filing: Form 4 (Insider Transaction) Insider: TEMPLETON MARK B (Director) Shares: 5,000 Est. Value: $985.8K
Form 4 Other reported transaction Tax / Compensation Filing 2026-09-10

ANET insider Form 4 filed for equity award, exercise, or tax withholding

Duda Kenneth (Director, President and CTO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code Nature Shares Price Value
J Other transaction 100,000 — —
J Other transaction 100,000 — —
J Other transaction 200,000 — —
Filing: Form 4 (Insider Transaction) Insider: Duda Kenneth (Director, President and CTO) Shares: 400,000
Form 4 Open-market sale Insider Selling 2026-09-03

ANET insider Breithaupt Chantelle Yvette (Senior Vice President, CFO) sold 612 shares (~$119.8K)

Breithaupt Chantelle Yvette, listed as Senior Vice President, CFO at Arista Networks, Inc., reported an open-market sale of 612 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 612 $195.77 $119.8K
Filing: Form 4 (Insider Transaction) Insider: Breithaupt Chantelle Yvette (Senior Vice President, CFO) Shares: 612 Est. Value: $119.8K
Form 4 Other reported transaction Tax / Compensation Filing 2026-09-01

ANET insider Form 4 filed for equity award, exercise, or tax withholding

Duda Kenneth (Director, President and CTO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code Nature Shares Price Value
J Other transaction 85,875 — —
J Other transaction 85,875 — —
J Other transaction 51,160 — —
J Other transaction 42,937 — —
J Other transaction 42,938 — —
J Other transaction 51,160 — —
J Other transaction 42,938 — —
J Other transaction 42,937 — —
J Other transaction 102,320 — —
Filing: Form 4 (Insider Transaction) Insider: Duda Kenneth (Director, President and CTO) Shares: 548,140
Form 4 Open-market sale Insider Selling 2026-08-31

ANET insider BECHTOLSHEIM ANDREAS (10% Owner) sold 300,000 shares (~$60.78M)

BECHTOLSHEIM ANDREAS, listed as 10% Owner at Arista Networks, Inc., reported an open-market sale of 300,000 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 15,053 $199.91 $3.01M
S Open-market sale 50,091 $200.81 $10.06M
S Open-market sale 70,054 $201.74 $14.13M
S Open-market sale 73,794 $202.71 $14.96M
S Open-market sale 20,852 $203.69 $4.25M
S Open-market sale 64,510 $204.82 $13.21M
S Open-market sale 5,646 $205.45 $1.16M
Filing: Form 4 (Insider Transaction) Insider: BECHTOLSHEIM ANDREAS (10% Owner) Shares: 300,000 Est. Value: $60.78M
Form 4 Open-market sale Insider Selling 2026-08-27

ANET insider Ullal Jayshree (Director, CEO and Chairperson) sold 13,809 shares (~$2.65M)

Ullal Jayshree, listed as Director, CEO and Chairperson at Arista Networks, Inc., reported an open-market sale of 13,809 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 3,281 $191.10 $627.0K
S Open-market sale 10,128 $191.99 $1.94M
S Open-market sale 400 $192.64 $77.1K
Filing: Form 4 (Insider Transaction) Insider: Ullal Jayshree (Director, CEO and Chairperson) Shares: 13,809 Est. Value: $2.65M
Form 4 Open-market sale Insider Selling 2026-08-25

ANET insider Battles Kelly Bodnar (Director) sold 422 shares (~$79.1K)

Battles Kelly Bodnar, listed as Director at Arista Networks, Inc., reported an open-market sale of 422 ANET shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 70 $184.77 $12.9K
S Open-market sale 64 $185.61 $11.9K
S Open-market sale 35 $186.93 $6.5K
S Open-market sale 40 $187.77 $7.5K
S Open-market sale 213 $188.69 $40.2K
Filing: Form 4 (Insider Transaction) Insider: Battles Kelly Bodnar (Director) Shares: 422 Est. Value: $79.1K
Proposed Insider Sales 8 · Form 144

A Form 144 is a notice of intent to sell restricted or control securities. It is not a record that anything was sold. Arista Networks, Inc. has 8 such notices in this period.

The distinction matters because a Form 144 is frequently reported as though it were a completed insider sale. The filer may sell all of the shares covered, some of them, or none at all, and there is no obligation to update the notice either way. A sale that is actually executed by an officer or director shows up separately on a Form 4, which is the filing to check before treating a proposed sale as a real one.

Form 144 Proposed Insider Sale 2026-10-06

ANET Form 144 filed for proposed insider sale by CHANTELLE BREITHAUPT (1,224 shares) ~$253.2K

CHANTELLE BREITHAUPT filed a Form 144 with the SEC indicating intent to sell ANET (Arista Networks, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: CHANTELLE BREITHAUPT Shares: 1,224 Est. Value: $253.2K
Form 144 Large Proposed Insider Sale 2026-10-06

ANET Form 144 filed for proposed insider sale by Ullal Jayshree (460,374 shares) ~$97.64M

Ullal Jayshree filed a Form 144 with the SEC indicating intent to sell ANET (Arista Networks, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: Ullal Jayshree Shares: 460,374 Est. Value: $97.64M
Form 144 Large Proposed Insider Sale 2026-09-25

ANET Form 144 filed for proposed insider sale by Ullal Jayshree (62,622 shares) ~$13.24M

Ullal Jayshree filed a Form 144 with the SEC indicating intent to sell ANET (Arista Networks, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: Ullal Jayshree Shares: 62,622 Est. Value: $13.24M
Form 144 Large Proposed Insider Sale 2026-09-17

ANET Form 144 filed for proposed insider sale by Andreas Bechtolsheim (300,000 shares) ~$59.86M

Andreas Bechtolsheim filed a Form 144 with the SEC indicating intent to sell ANET (Arista Networks, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: Andreas Bechtolsheim Shares: 300,000 Est. Value: $59.86M
Form 144 Proposed Insider Sale 2026-09-08

ANET Form 144 filed for proposed insider sale by MARK TEMPLETON (20,000 shares) ~$3.88M

MARK TEMPLETON filed a Form 144 with the SEC indicating intent to sell ANET (Arista Networks, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: MARK TEMPLETON Shares: 20,000 Est. Value: $3.88M
Form 144 Proposed Insider Sale 2026-09-01

ANET Form 144 filed for proposed insider sale by CHANTELLE BREITHAUPT (612 shares) ~$119.8K

CHANTELLE BREITHAUPT filed a Form 144 with the SEC indicating intent to sell ANET (Arista Networks, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: CHANTELLE BREITHAUPT Shares: 612 Est. Value: $119.8K
Form 144 Large Proposed Insider Sale 2026-08-27

ANET Form 144 filed for proposed insider sale by Andreas Bechtolsheim (300,000 shares) ~$60.33M

Andreas Bechtolsheim filed a Form 144 with the SEC indicating intent to sell ANET (Arista Networks, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: Andreas Bechtolsheim Shares: 300,000 Est. Value: $60.33M
Form 144 Proposed Insider Sale 2026-08-25

ANET Form 144 filed for proposed insider sale by Ullal Jayshree (13,809 shares) ~$2.65M

Ullal Jayshree filed a Form 144 with the SEC indicating intent to sell ANET (Arista Networks, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Ullal Jayshree Shares: 13,809 Est. Value: $2.65M

How we classify Arista Networks, Inc.'s filings

Straight from EDGAR

Each displayed record links to an original source document. StrongBuyAnalytics provides navigation and brief excerpts or summaries, not the filing itself. Parsing may omit context or contain errors, so read the original document in full.

Transaction codes, not guesswork

The nature shown on each insider filing comes from the transaction code the filer entered on the form itself — P for an open-market purchase, A for a compensation award, F for shares withheld to pay tax, M for an option exercise. Where one filing contains several codes, the transaction table lists them line by line.

Why the distinction matters

Insider activity is routinely summarised as buying or selling, which flattens together decisions that mean very different things. Shares withheld for tax on a vesting grant are an automatic administrative step; shares bought on the open market are someone committing their own money at the current price.

What this page does not tell you

A filing records what happened, not why. Form 4 does not always disclose whether a sale was executed under a pre-arranged Rule 10b5-1 plan, and no single filing is a basis for a decision on ANET. Read these alongside the fundamentals rather than in isolation.

Frequently Asked Questions — ANET SEC Filings

What SEC filings does Arista Networks, Inc. submit to the SEC?

Arista Networks, Inc. (ANET) submits several types of SEC filings including Form 4 (insider transactions), Form 144 (proposed insider sales), 8-K reports (material events such as earnings releases, acquisitions, leadership changes), and periodic reports — the 10-Q (quarterly) and 10-K (annual). All filings are publicly available through SEC EDGAR.

What does a Form 4 filing tell me about ANET?

A Form 4 for ANET discloses a transaction by a company insider — typically a director, officer, or 10%+ shareholder. It shows the source-reported date, number of shares, price, and updated ownership. These facts do not establish motive or predict future returns.

How do I interpret an 8-K filing from Arista Networks, Inc.?

An 8-K signals a material event requiring prompt disclosure. Common triggers include earnings pre-announcements, acquisitions, leadership appointments or departures, credit changes, or regulatory actions. Read the item codes inside the filing to understand exactly what was disclosed before drawing conclusions.

What is the difference between a 10-K and 10-Q for ANET?

The 10-K is Arista Networks, Inc.'s annual report with fully audited financial statements, comprehensive MD&A, and complete risk factor disclosures — filed 60–90 days after fiscal year-end. The 10-Q is a lighter quarterly report with unaudited financials filed for the first three quarters. Together they provide a continuous financial picture of the company.

Where can I see all ANET SEC filings directly on EDGAR?

You can view all historical Arista Networks, Inc. filings on the SEC EDGAR company page for ANET. Each filing card on this page links directly to the original SEC document.

How often does Arista Networks, Inc. file with the SEC?

Arista Networks, Inc. files one 10-K per year and up to three 10-Qs per year. Form 4 insider transactions must be reported within two business days of each trade, so the frequency depends on how often insiders are buying or selling ANET shares. 8-K filings occur whenever a material event happens — which can be several times per quarter for an active company.

More Tools for ANET

Want deeper ANET analysis?

View valuation, growth metrics, the rule-based stock-page score, demand zones, peer comparison, and more — all on the ANET stock analysis page.

ANET Full Analysis
Publisher, sources & limitations — September 15, 2026. StrongBuyAnalytics provides navigation and brief excerpts or summaries for educational use. Original filings remain at SEC EDGAR or other displayed source links; StrongBuyAnalytics does not author them. Filing dates are source dates, not publication dates for this page. Coverage can be delayed, incomplete, amended, or unavailable because of SEC/source availability, parsing, caching, or outages. Verify every material statement in the original filing.
Data Sources · Methodology · AI Disclosure · Corrections Policy · Disclaimer