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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

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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
June 11, 2018 Filed Jun 13, 2018 22:06 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 6,216 $272.10 $1,691,385.41
Disclosure

SEC source: 0001596532-18-000152 · 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: 868,452

F2 · 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 $271.63 to $272.60, 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.

F1 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

Read SEC document
June 11, 2018 Filed Jun 13, 2018 22:06 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 900 $270.86 $243,777.78
Disclosure

SEC source: 0001596532-18-000152 · 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: 874,668

F2 · 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 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $270.53 to $271.48, 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.

F1 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

Read SEC document
June 11, 2018 Filed Jun 13, 2018 22:06 UTC
Duda KennethCTO and SVP Software Eng.
GiftCommon Stock 3,000 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000152 · 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: 875,568

F1 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

Read SEC document
June 06, 2018 Filed Jun 8, 2018 21:47 UTC
BECHTOLSHEIM ANDREASDirector · Chief Development Officer · 10% owner
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 44,000 $0.00 Strike: $38.00 $0.00
Disclosure

SEC source: 0001596532-18-000150 · edgardoc.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 347,667

Underlying: Common Stock · 44,000 shares

Expires 2024-05-19

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.

F6 · derivative.exercise_date: 1/5th of the 500,000 shares subject to the option shall vest on September 30, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
June 06, 2018 Filed Jun 8, 2018 21:47 UTC
BECHTOLSHEIM ANDREASDirector · Chief Development Officer · 10% owner
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 6,000 $0.00 Strike: $22.49 $0.00
Disclosure

SEC source: 0001596532-18-000150 · edgardoc.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,000

Underlying: Common Stock · 6,000 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.

F5 · derivative.exercise_date: 1/5th of the 20,000 shares subject to the option shall vest and become exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
June 06, 2018 Filed Jun 8, 2018 21:47 UTC
BECHTOLSHEIM ANDREASDirector · Chief Development Officer · 10% owner
SaleCommon Stock 19,710 $279.16 $5,502,302.73
Disclosure

SEC source: 0001596532-18-000150 · edgardoc.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,438

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $278.9792 to $279.7601, 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
June 06, 2018 Filed Jun 8, 2018 21:47 UTC
BECHTOLSHEIM ANDREASDirector · Chief Development Officer · 10% owner
SaleCommon Stock 21,172 $278.42 $5,894,754.82
Disclosure

SEC source: 0001596532-18-000150 · edgardoc.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,148

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $277.90 to $278.75, 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
June 06, 2018 Filed Jun 8, 2018 21:47 UTC
BECHTOLSHEIM ANDREASDirector · Chief Development Officer · 10% owner
SaleCommon Stock 9,118 $277.14 $2,526,977.11
Disclosure

SEC source: 0001596532-18-000150 · edgardoc.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,320

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $276.90 to $277.795, 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
June 06, 2018 Filed Jun 8, 2018 21:47 UTC
BECHTOLSHEIM ANDREASDirector · Chief Development Officer · 10% owner
Exercise / conversionCommon Stock 44,000 $38.00 $1,672,000.00
Disclosure

SEC source: 0001596532-18-000150 · 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: 52,438

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.

Read SEC document
June 06, 2018 Filed Jun 8, 2018 21:47 UTC
BECHTOLSHEIM ANDREASDirector · Chief Development Officer · 10% owner
Exercise / conversionCommon Stock 6,000 $22.49 $134,940.00
Disclosure

SEC source: 0001596532-18-000150 · 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: 8,438

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.

Read SEC document
June 04, 2018 Filed Jun 7, 2018 01:19 UTC
McCool John FChief Platform Officer
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 1,167 $0.00 Strike: $132.75 $0.00
Disclosure

SEC source: 0001596532-18-000148 · edgardoc.xml · derivative · entry 3

McCool John F · CIK 0001701967 · Chief Platform Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,833

Underlying: Common Stock · 1,167 shares

Expires 2027-04-16

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 sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2018.

F3 · derivative.exercise_date: 1/5th of the 5,000 shares subject to the option shall vest and become exercisable on March 20, 2018 and 1/60th of the shares subject to the option shall vest each month thereafter.

Read SEC document
June 04, 2018 Filed Jun 7, 2018 01:19 UTC
McCool John FChief Platform Officer
SaleCommon Stock 1,218 $265.00 $322,770.00
Disclosure

SEC source: 0001596532-18-000148 · edgardoc.xml · nonDerivative · entry 2

McCool John F · CIK 0001701967 · Chief Platform Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 0

F1 · kind: The exercise and sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2018.

F2 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

Read SEC document
June 04, 2018 Filed Jun 7, 2018 01:19 UTC
McCool John FChief Platform Officer
Exercise / conversionCommon Stock 1,167 $132.75 $154,919.25
Disclosure

SEC source: 0001596532-18-000148 · edgardoc.xml · nonDerivative · entry 1

McCool John F · CIK 0001701967 · Chief Platform Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 1,218

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 sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2018.

F2 · ownership.nature: These shares are held by a family trust for which the reporting person is a trustee.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 167 $0.00 Strike: $68.34 $0.00
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · derivative · entry 18

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 167 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 12, 2017.

F11 · derivative.exercise_date: 1/5th of the 10,000 shares subject to the option shall vest and become exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 166 $0.00 Strike: $65.01 $0.00
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · derivative · entry 17

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,834

Underlying: Common Stock · 166 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 12, 2017.

F10 · derivative.exercise_date: 1/60th of the 15,000 shares subject to the option shall vest and become exercisable on April 28, 2016 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 167 $0.00 Strike: $64.46 $0.00
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · derivative · entry 16

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 167 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 12, 2017.

F9 · derivative.exercise_date: 1/5th of the 10,000 shares subject to the option shall vest and become exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 1,166 $0.00 Strike: $56.24 $0.00
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · derivative · entry 15

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 1,166 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 12, 2017.

F8 · derivative.exercise_date: 1/60th of the 10,000 shares subject to the option shall vest and become exercisable on April 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 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: 0001596532-18-000144 · edgardoc.xml · derivative · entry 14

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,833

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 12, 2017.

F7 · derivative.exercise_date: 1/5th of the 10,000 shares subject to the option shall vest and become exercisable on May 1, 2016 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 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: 0001596532-18-000144 · edgardoc.xml · derivative · entry 13

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,833

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 12, 2017.

F7 · derivative.exercise_date: 1/5th of the 10,000 shares subject to the option shall vest and become exercisable on May 1, 2016 and 1/60th of the shares subject to the option shall vest monthly thereafter.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 172 $260.21 $44,756.27
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · nonDerivative · entry 12

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,204

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 12, 2017.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $259.99 to 260.37, 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
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 328 $259.37 $85,073.75
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · nonDerivative · entry 11

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,376

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 12, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $258.99 to 259.87, 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
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 200 $257.97 $51,593.00
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · nonDerivative · entry 10

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,704

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 12, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $257.61 to 258.32, 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
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 500 $256.57 $128,287.00
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · nonDerivative · entry 9

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,904

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 12, 2017.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $256.34 to 256.75, 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
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 600 $255.61 $153,364.98
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · nonDerivative · entry 8

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,404

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 12, 2017.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $255.12 to 256.04, 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
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 200 $253.01 $50,602.00
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · nonDerivative · entry 7

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,004

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 12, 2017.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 166 $65.01 $10,791.66
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · nonDerivative · entry 6

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,204

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 12, 2017.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 1,166 $56.24 $65,575.84
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · nonDerivative · entry 5

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,038

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 12, 2017.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 167 $64.46 $10,764.82
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · nonDerivative · entry 4

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,872

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 12, 2017.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 167 $68.34 $11,412.78
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · nonDerivative · entry 3

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,705

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 12, 2017.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 167 $30.67 $5,121.89
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · nonDerivative · entry 2

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,538

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 12, 2017.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 23:18 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 167 $22.49 $3,755.83
Disclosure

SEC source: 0001596532-18-000144 · edgardoc.xml · nonDerivative · entry 1

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,371

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 12, 2017.

Read SEC document
May 23, 2018 Filed May 23, 2018 21:56 UTC
McCool John FChief Platform Officer
SaleCommon Stock 982 $252.39 $247,845.21
Disclosure

SEC source: 0001596532-18-000126 · edgardoc.xml · nonDerivative · entry 4

McCool John F · CIK 0001701967 · Chief Platform Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 51

F5 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 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 $251.82 to $252.79, 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 · ownership.nature: These shares are held by a family trust for which the reporting person is a co-trustee.

Read SEC document
May 23, 2018 Filed May 23, 2018 21:56 UTC
McCool John FChief Platform Officer
SaleCommon Stock 4,044 $251.15 $1,015,647.36
Disclosure

SEC source: 0001596532-18-000126 · edgardoc.xml · nonDerivative · entry 3

McCool John F · CIK 0001701967 · Chief Platform Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 1,033

F5 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 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 $250.69 to $251.64, 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 · ownership.nature: These shares are held by a family trust for which the reporting person is a co-trustee.

Read SEC document
May 21, 2018 Filed May 23, 2018 21:56 UTC
McCool John FChief Platform Officer
Exercise / conversionRestricted Stock Unit-1 · Derivative 9,000 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000126 · edgardoc.xml · derivative · entry 5

McCool John F · CIK 0001701967 · Chief Platform Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,000

Underlying: Common Stock · 9,000 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.

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

F8 · derivative.exercise_date: 1/5th of the 45,000 restricted stock unit award will vest on May 20, 2018 and 1/20th of the award will vest 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.

F8 · derivative.expiration_date: 1/5th of the 45,000 restricted stock unit award will vest on May 20, 2018 and 1/20th of the award will vest 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.

Read SEC document
May 21, 2018 Filed May 23, 2018 21:56 UTC
McCool John FChief Platform Officer
Tax withholdingCommon Stock 3,974 $254.25 $1,010,389.50
Disclosure

SEC source: 0001596532-18-000126 · edgardoc.xml · nonDerivative · entry 2

McCool John F · CIK 0001701967 · Chief Platform Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 5,077

F4 · kind: Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.

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

Read SEC document
May 21, 2018 Filed May 23, 2018 21:56 UTC
McCool John FChief Platform Officer
Exercise / conversionCommon Stock 9,000 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000126 · edgardoc.xml · nonDerivative · entry 1

McCool John F · CIK 0001701967 · Chief Platform Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · by Trust

Disclosed balance after: 9,051

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 · shares: Includes 51 shares acquired under the Arista Networks, Inc. 2014 Employee Stock Purchase Plan on February 15, 2018.

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

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

Read SEC document
May 21, 2018 Filed May 23, 2018 21:56 UTC
Duda KennethCTO and SVP Software Eng.
Exercise / conversionRestricted Stock Unit-2 · Derivative 1,000 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000127 · edgardoc.xml · derivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,000

Underlying: Common Stock · 1,000 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.

F8 · derivative.exercise_date: Five percent (5%) of the 20,000 restricted stock units awarded will vest on February 20, 2018 and five percent (5%) of the award will continue to vest 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.

F8 · derivative.expiration_date: Five percent (5%) of the 20,000 restricted stock units awarded will vest on February 20, 2018 and five percent (5%) of the award will continue to vest 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
May 21, 2018 Filed May 23, 2018 21:56 UTC
Duda KennethCTO and SVP Software Eng.
Exercise / conversionRestricted Stock Unit-1 · Derivative 625 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000127 · edgardoc.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,250

Underlying: Common Stock · 625 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.

F7 · derivative.exercise_date: Six and one-quarter percent (6.25%) of the 10,000 restricted stock units awarded vested on February 20, 2017 and will continue to vest at a rate of six and one-quarter percent (6.25%) 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.

F7 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the 10,000 restricted stock units awarded vested on February 20, 2017 and will continue to vest at a rate of six and one-quarter percent (6.25%) 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
May 21, 2018 Filed May 23, 2018 21:56 UTC
Duda KennethCTO and SVP Software Eng.
Tax withholdingCommon Stock 614 $254.25 $156,109.50
Disclosure

SEC source: 0001596532-18-000127 · edgardoc.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,845

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

Read SEC document
May 21, 2018 Filed May 23, 2018 21:56 UTC
Duda KennethCTO and SVP Software Eng.
Exercise / conversionCommon Stock 1,000 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000127 · edgardoc.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,459

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
May 21, 2018 Filed May 23, 2018 21:56 UTC
Duda KennethCTO and SVP Software Eng.
Exercise / conversionCommon Stock 625 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000127 · edgardoc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,459

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
May 21, 2018 Filed May 23, 2018 21:56 UTC
Sadana AnshulChief Customer Officer
Exercise / conversionRestricted Stock Unit-3 · Derivative 1,000 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000128 · edgardoc.xml · derivative · entry 7

Sadana Anshul · CIK 0001605807 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,000

Underlying: Common Stock · 1,000 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.

F5 · derivative.exercise_date: Five percent (5%) of the 20,000 restricted stock units awarded will vest on February 20, 2018 and five percent (5%) of the award will continue to vest 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.

F5 · derivative.expiration_date: Five percent (5%) of the 20,000 restricted stock units awarded will vest on February 20, 2018 and five percent (5%) of the award will continue to vest 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
May 21, 2018 Filed May 23, 2018 21:56 UTC
Sadana AnshulChief Customer Officer
Exercise / conversionRestricted Stock Unit-2 · Derivative 750 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000128 · edgardoc.xml · derivative · entry 6

Sadana Anshul · CIK 0001605807 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,500

Underlying: Common Stock · 750 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 15,000 restricted stock units awarded vested on February 20, 2017 and five percent (5%) of the award will continue to vest 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 15,000 restricted stock units awarded vested on February 20, 2017 and five percent (5%) of the award will continue to vest 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
May 21, 2018 Filed May 23, 2018 21:56 UTC
Sadana AnshulChief Customer Officer
Exercise / conversionRestricted Stock Unit-1 · Derivative 625 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000128 · edgardoc.xml · derivative · entry 5

Sadana Anshul · CIK 0001605807 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,250

Underlying: Common Stock · 625 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.

F3 · derivative.exercise_date: Six and one-quarter percent (6.25%) of the 10,000 restricted stock units awarded vested on February 20, 2017 and six and one-quarter percent (6.25%) of the award will continue to vest 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 10,000 restricted stock units awarded vested on February 20, 2017 and six and one-quarter percent (6.25%) of the award will continue to vest 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
May 21, 2018 Filed May 23, 2018 21:56 UTC
Sadana AnshulChief Customer Officer
Tax withholdingCommon Stock 1,178 $254.25 $299,506.50
Disclosure

SEC source: 0001596532-18-000128 · edgardoc.xml · nonDerivative · entry 4

Sadana Anshul · CIK 0001605807 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,611

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

Read SEC document
May 21, 2018 Filed May 23, 2018 21:56 UTC
Sadana AnshulChief Customer Officer
Exercise / conversionCommon Stock 1,000 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000128 · edgardoc.xml · nonDerivative · entry 3

Sadana Anshul · CIK 0001605807 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,789

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
May 21, 2018 Filed May 23, 2018 21:56 UTC
Sadana AnshulChief Customer Officer
Exercise / conversionCommon Stock 750 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000128 · edgardoc.xml · nonDerivative · entry 2

Sadana Anshul · CIK 0001605807 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,789

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
May 21, 2018 Filed May 23, 2018 21:56 UTC
Sadana AnshulChief Customer Officer
Exercise / conversionCommon Stock 625 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000128 · edgardoc.xml · nonDerivative · entry 1

Sadana Anshul · CIK 0001605807 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,039

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
May 21, 2018 Filed May 23, 2018 21:57 UTC
Brennan Ita MSenior Vice President, CFO
Exercise / conversionRestricted Stock Unit-3 · Derivative 600 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000130 · edgardoc.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,800

Underlying: Common Stock · 600 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.

F5 · derivative.exercise_date: Five percent (5%) of the 12,000 restricted stock units awarded will vest on February 20, 2018 and five percent (5%) of the award will continue to vest 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.

F5 · derivative.expiration_date: Five percent (5%) of the 12,000 restricted stock units awarded will vest on February 20, 2018 and five percent (5%) of the award will continue to vest 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
May 21, 2018 Filed May 23, 2018 21:57 UTC
Brennan Ita MSenior Vice President, CFO
Exercise / conversionRestricted Stock Unit-2 · Derivative 375 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000130 · edgardoc.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,750

Underlying: Common Stock · 375 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: Six and one-quarter percent (6.25%) of the 6,000 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: Six and one-quarter percent (6.25%) of the 6,000 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

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