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Arista Networks, Inc.

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Tapewire entity
2421
SEC CIK
0001596532
Parsed reports
1,587

Last 12 months

Inside the activity.

0 purchase rows · 577 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 2025034
Dec 2025018
Jan 2026016
Feb 2026030
Mar 2026019
Apr 2026052
May 2026047
Jun 2026062
Jul 2026066
Aug 20260176
Sep 2026033
Oct 2026024

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
November 20, 2018 Filed Nov 23, 2018 22:16 UTC
BECHTOLSHEIM ANDREASDirector · Chief Development Officer · 10% owner
Exercise / conversionRestricted Stock Unit-1 · Derivative 2,063 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000262 · edgardoc.xml · derivative · entry 4

BECHTOLSHEIM ANDREAS · CIK 0001133206 · Director · Chief Development Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,750

Underlying: Common Stock · 2,063 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F4 · derivative.exercise_date: Five percent (5%) of the 41,250 restricted stock units awarded vested on February 20, 2017 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20 of each year.

F4 · derivative.expiration_date: Five percent (5%) of the 41,250 restricted stock units awarded vested on February 20, 2017 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, or November 20 of each year.

Read SEC document
November 20, 2018 Filed Nov 23, 2018 22:16 UTC
BECHTOLSHEIM ANDREASDirector · Chief Development Officer · 10% owner
Tax withholdingCommon Stock 1,023 $219.38 $224,425.74
Disclosure

SEC source: 0001596532-18-000262 · edgardoc.xml · nonDerivative · entry 2

BECHTOLSHEIM ANDREAS · CIK 0001133206 · Director · Chief Development Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,040

F2 · kind: Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.

Read SEC document
November 20, 2018 Filed Nov 23, 2018 22:16 UTC
BECHTOLSHEIM ANDREASDirector · Chief Development Officer · 10% owner
Exercise / conversionCommon Stock 2,063 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000262 · edgardoc.xml · nonDerivative · entry 1

BECHTOLSHEIM ANDREAS · CIK 0001133206 · Director · Chief Development Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,063

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 166 $0.00 Strike: $68.34 $0.00
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · derivative · entry 20

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,167

Underlying: Common Stock · 166 shares

Expires 2024-12-15

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F14 · derivative.exercise_date: 1/5th of the 10,000 shares subject to the option vested and became exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,917 $0.00 Strike: $65.01 $0.00
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · derivative · entry 19

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,250

Underlying: Common Stock · 2,917 shares

Expires 2026-04-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F13 · derivative.exercise_date: 1/60th of the 15,000 shares subject to the option vested and became exercisable on April 28, 2016 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 166 $0.00 Strike: $64.46 $0.00
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · derivative · entry 18

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,167

Underlying: Common Stock · 166 shares

Expires 2025-09-10

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F12 · derivative.exercise_date: 1/5th of the 10,000 shares subject to the option vested and became exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 166 $0.00 Strike: $56.24 $0.00
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · derivative · entry 17

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,667

Underlying: Common Stock · 166 shares

Expires 2026-02-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F11 · derivative.exercise_date: 1/60th of the 10,000 shares subject to the option vested and became exercisable on April 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 167 $0.00 Strike: $30.67 $0.00
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · derivative · entry 16

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,000

Underlying: Common Stock · 167 shares

Expires 2024-02-10

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F10 · derivative.exercise_date: 1/5th of the 10,000 shares subject to the option vested and became exercisable on May 1, 2016 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 167 $0.00 Strike: $22.49 $0.00
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · derivative · entry 15

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,000

Underlying: Common Stock · 167 shares

Expires 2024-01-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F10 · derivative.exercise_date: 1/5th of the 10,000 shares subject to the option vested and became exercisable on May 1, 2016 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 500 $238.87 $119,435.00
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 14

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,546

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $238.56 to $239.08, 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.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 400 $237.68 $95,073.00
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 13

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,046

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $237.38 to $238.04, 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.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 100 $236.08 $23,608.10
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 12

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,446

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $236.05 to $236.12, 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.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 900 $234.77 $211,289.49
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 11

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,546

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $234.405 to $235.36, 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.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 500 $233.34 $116,670.00
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 10

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,446

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $233.05 to $233.73, 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.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 800 $232.59 $186,071.04
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 9

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,946

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $232.04 to $232.95, 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.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 1,200 $231.18 $277,413.00
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 8

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,746

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $230.81 to $231.69, 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.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 600 $230.14 $138,085.98
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 7

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,946

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $229.60 to $230.55, 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.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 2,917 $65.01 $189,634.17
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 6

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,546

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 166 $56.24 $9,335.84
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 5

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,629

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 166 $64.46 $10,700.36
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 4

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,463

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 166 $68.34 $11,344.44
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 3

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,297

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 167 $30.67 $5,121.89
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 2

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,131

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

Read SEC document
November 14, 2018 Filed Nov 16, 2018 01:44 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 167 $22.49 $3,755.83
Disclosure

SEC source: 0001596532-18-000249 · edgardoc.xml · nonDerivative · entry 1

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,964

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The exercise and sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on September 14, 2018.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:27 UTC
MATHER ANNDirector
SaleCommon Stock 40 $243.98 $9,759.20
Disclosure

SEC source: 0001596532-18-000239 · edgardoc.xml · nonDerivative · entry 9

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

F1 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2018.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:27 UTC
MATHER ANNDirector
SaleCommon Stock 60 $242.93 $14,575.80
Disclosure

SEC source: 0001596532-18-000239 · edgardoc.xml · nonDerivative · entry 8

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,040

F1 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2018.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $242.67 to $243.06, 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.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:27 UTC
MATHER ANNDirector
SaleCommon Stock 280 $241.99 $67,757.40
Disclosure

SEC source: 0001596532-18-000239 · edgardoc.xml · nonDerivative · entry 7

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,100

F1 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2018.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $241.52 to $242.43, 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.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:27 UTC
MATHER ANNDirector
SaleCommon Stock 140 $240.93 $33,730.20
Disclosure

SEC source: 0001596532-18-000239 · edgardoc.xml · nonDerivative · entry 6

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,380

F1 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2018.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $240.46 to $241.39, 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.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:27 UTC
MATHER ANNDirector
SaleCommon Stock 180 $239.87 $43,177.39
Disclosure

SEC source: 0001596532-18-000239 · edgardoc.xml · nonDerivative · entry 5

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,520

F1 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $239.41 to $240.26, 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.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:27 UTC
MATHER ANNDirector
SaleCommon Stock 81 $238.72 $19,336.34
Disclosure

SEC source: 0001596532-18-000239 · edgardoc.xml · nonDerivative · entry 4

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,700

F1 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2018.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $238.28 to $238.94, 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.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:27 UTC
MATHER ANNDirector
SaleCommon Stock 160 $237.62 $38,018.80
Disclosure

SEC source: 0001596532-18-000239 · edgardoc.xml · nonDerivative · entry 3

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,781

F1 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2018.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $237.23 to $237.94, 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.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:27 UTC
MATHER ANNDirector
SaleCommon Stock 120 $236.45 $28,374.00
Disclosure

SEC source: 0001596532-18-000239 · edgardoc.xml · nonDerivative · entry 2

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,941

F1 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2018.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $236.15 to $237.00, 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.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:27 UTC
MATHER ANNDirector
SaleCommon Stock 140 $235.53 $32,974.80
Disclosure

SEC source: 0001596532-18-000239 · edgardoc.xml · nonDerivative · entry 1

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,061

F1 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2018.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $235.11 to $235.86, 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.

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November 12, 2018 Filed Nov 14, 2018 01:36 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 100 $243.98 $24,398.00
Disclosure

SEC source: 0001596532-18-000247 · edgardoc.xml · nonDerivative · entry 8

Duda Kenneth · CIK 0001605808 · CTO and SVP Software Eng.

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 809,568

F1 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 2, 2018.

F3 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

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November 12, 2018 Filed Nov 14, 2018 01:36 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 800 $242.26 $193,805.04
Disclosure

SEC source: 0001596532-18-000247 · edgardoc.xml · nonDerivative · entry 7

Duda Kenneth · CIK 0001605808 · CTO and SVP Software Eng.

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 809,668

F1 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 2, 2018.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $241.89 to $242.56, inclusive. The reporting person undertakes to provide 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 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:36 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 1,000 $240.99 $240,988.00
Disclosure

SEC source: 0001596532-18-000247 · edgardoc.xml · nonDerivative · entry 6

Duda Kenneth · CIK 0001605808 · CTO and SVP Software Eng.

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 810,468

F1 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 2, 2018.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $240.67 to $241.46, inclusive. The reporting person undertakes to provide 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 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:36 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 700 $240.07 $168,049.00
Disclosure

SEC source: 0001596532-18-000247 · edgardoc.xml · nonDerivative · entry 5

Duda Kenneth · CIK 0001605808 · CTO and SVP Software Eng.

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 811,468

F1 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 2, 2018.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $239.62 to $240.51, inclusive. The reporting person undertakes to provide 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 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:36 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 1,800 $239.01 $430,225.92
Disclosure

SEC source: 0001596532-18-000247 · edgardoc.xml · nonDerivative · entry 4

Duda Kenneth · CIK 0001605808 · CTO and SVP Software Eng.

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 812,168

F1 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 2, 2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $238.62 to $239.48, inclusive. The reporting person undertakes to provide 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 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:36 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 4,000 $237.98 $951,930.00
Disclosure

SEC source: 0001596532-18-000247 · edgardoc.xml · nonDerivative · entry 3

Duda Kenneth · CIK 0001605808 · CTO and SVP Software Eng.

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 813,968

F1 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 2, 2018.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $237.56 to $238.48, inclusive. The reporting person undertakes to provide 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 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:36 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 1,794 $237.10 $425,355.61
Disclosure

SEC source: 0001596532-18-000247 · edgardoc.xml · nonDerivative · entry 2

Duda Kenneth · CIK 0001605808 · CTO and SVP Software Eng.

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 817,968

F1 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 2, 2018.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $236.49 to $237.46, inclusive. The reporting person undertakes to provide 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 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

Read SEC document
November 12, 2018 Filed Nov 14, 2018 01:36 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 806 $235.69 $189,965.01
Disclosure

SEC source: 0001596532-18-000247 · edgardoc.xml · nonDerivative · entry 1

Duda Kenneth · CIK 0001605808 · CTO and SVP Software Eng.

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 819,762

F1 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 2, 2018.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $235.42 to $236.34, inclusive. The reporting person undertakes to provide 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 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

Read SEC document
November 09, 2018 Filed Nov 14, 2018 01:27 UTC
McCool John FChief Platform Officer
GrantRestricted Stock Unit-3 · Derivative 3,000 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000240 · edgardoc.xml · derivative · entry 2

McCool John F · CIK 0001701967 · Chief Platform Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,000

Underlying: Common Stock · 3,000 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F3 · derivative.exercise_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

F3 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

Read SEC document
November 09, 2018 Filed Nov 14, 2018 01:27 UTC
McCool John FChief Platform Officer
GrantNon-Qualified Stock Option (right to buy) · Derivative 2,000 $0.00 Strike: $244.43 $0.00
Disclosure

SEC source: 0001596532-18-000240 · edgardoc.xml · derivative · entry 1

McCool John F · CIK 0001701967 · Chief Platform Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,000

Underlying: Common Stock · 2,000 shares

Expires 2028-11-08

F1 · derivative.exercise_date: 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

Read SEC document
November 09, 2018 Filed Nov 14, 2018 01:28 UTC
Taxay MarcSVP and General Counsel
GrantRestricted Stock Unit-6 · Derivative 3,500 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000241 · edgardoc.xml · derivative · entry 2

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,500

Underlying: Common Stock · 3,500 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F3 · derivative.exercise_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

F3 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

Read SEC document
November 09, 2018 Filed Nov 14, 2018 01:28 UTC
Taxay MarcSVP and General Counsel
GrantNon-Qualified Stock Option (right to buy) · Derivative 2,500 $0.00 Strike: $244.43 $0.00
Disclosure

SEC source: 0001596532-18-000241 · edgardoc.xml · derivative · entry 1

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 2,500 shares

Expires 2028-11-08

F1 · derivative.exercise_date: 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

Read SEC document
November 09, 2018 Filed Nov 14, 2018 01:35 UTC
Brennan Ita MSenior Vice President, CFO
GrantRestricted Stock Unit-5 · Derivative 3,500 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000245 · edgardoc.xml · derivative · entry 2

Brennan Ita M · CIK 0001494211 · Senior Vice President, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,500

Underlying: Common Stock · 3,500 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F3 · derivative.exercise_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

F3 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

Read SEC document
November 09, 2018 Filed Nov 14, 2018 01:35 UTC
Brennan Ita MSenior Vice President, CFO
GrantNon-Qualified Stock Option (right to buy) · Derivative 2,500 $0.00 Strike: $244.43 $0.00
Disclosure

SEC source: 0001596532-18-000245 · edgardoc.xml · derivative · entry 1

Brennan Ita M · CIK 0001494211 · Senior Vice President, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 2,500 shares

Expires 2028-11-08

F1 · derivative.exercise_date: 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

Read SEC document
November 09, 2018 Filed Nov 14, 2018 01:36 UTC
Sadana AnshulChief Customer Officer
GrantRestricted Stock Unit-5 · Derivative 6,000 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000246 · edgardoc.xml · derivative · entry 2

Sadana Anshul · CIK 0001605807 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 6,000 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F3 · derivative.exercise_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

F3 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

Read SEC document
November 09, 2018 Filed Nov 14, 2018 01:36 UTC
Sadana AnshulChief Customer Officer
GrantNon-Qualified Stock Option (right to buy) · Derivative 4,000 $0.00 Strike: $244.43 $0.00
Disclosure

SEC source: 0001596532-18-000246 · edgardoc.xml · derivative · entry 1

Sadana Anshul · CIK 0001605807 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,000

Underlying: Common Stock · 4,000 shares

Expires 2028-11-08

F1 · derivative.exercise_date: 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

Read SEC document
November 09, 2018 Filed Nov 14, 2018 01:36 UTC
Duda KennethCTO and SVP Software Eng.
GrantRestricted Stock Unit-4 · Derivative 5,000 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000247 · edgardoc.xml · derivative · entry 14

Duda Kenneth · CIK 0001605808 · CTO and SVP Software Eng.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 5,000 shares

Expires not disclosed

F14 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.

F15 · derivative.exercise_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

F15 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

Read SEC document
November 09, 2018 Filed Nov 14, 2018 01:36 UTC
Duda KennethCTO and SVP Software Eng.
GrantNon-Qualified Stock Option (right to buy) · Derivative 3,000 $0.00 Strike: $244.43 $0.00
Disclosure

SEC source: 0001596532-18-000247 · edgardoc.xml · derivative · entry 13

Duda Kenneth · CIK 0001605808 · CTO and SVP Software Eng.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,000

Underlying: Common Stock · 3,000 shares

Expires 2028-11-08

F13 · derivative.exercise_date: 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.