4Filing Date: Oct 5, 2026

Arista Networks (ANET) 4: Director sells 5,000 shares for $1.02M (Oct 5, 2026)

Statement of Changes in Beneficial Ownership

View SEC Filing
ACC: 0001596532-26-000236
Total Value$1.02M
Trades6
Insiders1

Transaction Details

TEMPLETON MARK B
Director·Direct
Sell · Dispose
Common Stock
Shares-200
Price$206.03
Total Value$41.2K
Shares Owned After48.41K
Transaction DateOct 1, 2026
10b5-1
Footnotes ▸

The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.02 to $206.04, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

TEMPLETON MARK B
Director·Direct
Sell · Dispose
Common Stock
Shares-1.80K
Price$205.58
Total Value$370.0K
Shares Owned After48.61K
Transaction DateOct 1, 2026
10b5-1
Footnotes ▸

The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.00 to $205.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

TEMPLETON MARK B
Director·Direct
Sell · Dispose
Common Stock
Shares-700
Price$201.62
Total Value$141.1K
Shares Owned After52.71K
Transaction DateOct 1, 2026
10b5-1
Footnotes ▸

The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.18 to $202.10, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

TEMPLETON MARK B
Director·Direct
Sell · Dispose
Common Stock
Shares-500
Price$202.90
Total Value$101.4K
Shares Owned After52.21K
Transaction DateOct 1, 2026
10b5-1
Footnotes ▸

The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.64 to $203.09, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

TEMPLETON MARK B
Director·Direct
Sell · Dispose
Common Stock
Shares-1.80K
Price$204.44
Total Value$368.0K
Shares Owned After50.41K
Transaction DateOct 1, 2026
10b5-1
Footnotes ▸

The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.99 to $204.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

TEMPLETON MARK B
Director·Indirect · by Spouse
Common Stock
Shares0
Price-
Total Value$0
Shares Owned After75.20K
10b5-1Holding Only
Footnotes ▸

These shares are held in a trust for which the reporting person's spouse serves as trustee.

Post-Transaction Holdings

TEMPLETON MARK B · Director
SecuritySharesChange
Common Stock123.61K-5.00K (-3.89%)
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Deep Analysis

Arista director Mark Templeton sold 5,000 shares for about $1.02M under a Rule 10b5-1 plan, cutting his direct stake roughly 9% with no offsetting purchase.

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Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-10-01 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: Arista Networks, Inc. (ANET) CIK: 0001596532 --- Reporting Owner --- Name: TEMPLETON MARK B CIK: 0001201938 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-10-01 | Code: S (Open market sale) Shares: -700 | Price: $201.62 Total Value: $141,137.01 Shares Owned After: 52,710 | Ownership: D (Direct) Footnotes: [F1] The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. [F2] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.18 to $202.10, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. [Transaction #2] Security: Common Stock Date: 2026-10-01 | Code: S (Open market sale) Shares: -500 | Price: $202.90 Total Value: $101,449.00 Shares Owned After: 52,210 | Ownership: D (Direct) Footnotes: [F1] The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. [F3] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.64 to $203.09, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. [Transaction #3] Security: Common Stock Date: 2026-10-01 | Code: S (Open market sale) Shares: -1,800 | Price: $204.44 Total Value: $368,001.00 Shares Owned After: 50,410 | Ownership: D (Direct) Footnotes: [F1] The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. [F4] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.99 to $204.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. [Transaction #4] Security: Common Stock Date: 2026-10-01 | Code: S (Open market sale) Shares: -1,800 | Price: $205.58 Total Value: $370,036.44 Shares Owned After: 48,610 | Ownership: D (Direct) Footnotes: [F1] The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. [F5] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.00 to $205.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. [Transaction #5] Security: Common Stock Date: 2026-10-01 | Code: S (Open market sale) Shares: -200 | Price: $206.03 Total Value: $41,206.00 Shares Owned After: 48,410 | Ownership: D (Direct) Footnotes: [F1] The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. [F6] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.02 to $206.04, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [F7] These shares are held in a trust for which the reporting person's spouse serves as trustee. --- Footnotes (Complete Index) --- F1: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 9, 2026. F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.18 to $202.10, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.64 to $203.09, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.99 to $204.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.00 to $205.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $206.02 to $206.04, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F7: These shares are held in a trust for which the reporting person's spouse serves as trustee. --- Signature --- /s/ By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Mark Templeton (2026-10-05)

keid analysis is for reference only and does not constitute investment advice.