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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
May 21, 2018 Filed May 23, 2018 21:57 UTC
Brennan Ita MSenior Vice President, CFO
Exercise / conversionRestricted Stock Unit-1 · Derivative 3,750 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000130 · edgardoc.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 3,750 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.

F3 · derivative.exercise_date: Twenty percent (20%) of the 75,000 restricted stock units awarded vested on May 20, 2016 and will continue to vest at a rate of five percent (5%) each quarter 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.

F3 · derivative.expiration_date: Twenty percent (20%) of the 75,000 restricted stock units awarded vested on May 20, 2016 and will continue to vest at a rate of five percent (5%) each quarter 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
Tax withholdingCommon Stock 2,344 $254.25 $595,962.00
Disclosure

SEC source: 0001596532-18-000130 · edgardoc.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,505

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 21:57 UTC
Brennan Ita MSenior Vice President, CFO
Exercise / conversionCommon Stock 600 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000130 · edgardoc.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,849

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 / conversionCommon Stock 375 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000130 · edgardoc.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,249

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 / conversionCommon Stock 3,750 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000130 · edgardoc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,874

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
Taxay MarcSVP and General Counsel
Exercise / conversionRestricted Stock Unit-4 · Derivative 600 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000129 · edgardoc.xml · derivative · entry 9

Taxay Marc · CIK 0001672685 · SVP and General Counsel

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.

F6 · 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.

F6 · 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
Taxay MarcSVP and General Counsel
Exercise / conversionRestricted Stock Unit-3 · Derivative 600 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000129 · edgardoc.xml · derivative · entry 8

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,600

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 vested on May 20, 2016 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.

F5 · derivative.expiration_date: Five percent (5%) of the 12,000 restricted stock units awarded vested on May 20, 2016 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
May 21, 2018 Filed May 23, 2018 21:57 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionRestricted Stock Unit-2 · Derivative 250 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000129 · edgardoc.xml · derivative · entry 7

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

Underlying: Common Stock · 250 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 4,000 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.

F4 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the 4,000 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 21:57 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionRestricted Stock Unit-1 · Derivative 1,500 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000129 · edgardoc.xml · derivative · entry 6

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 1,500 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: Twenty-five percent (25%) of the 24,000 restricted stock units awarded vested on May 20, 2016 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.

F3 · derivative.expiration_date: Twenty-five percent (25%) of the 24,000 restricted stock units awarded vested on May 20, 2016 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 21:57 UTC
Taxay MarcSVP and General Counsel
Tax withholdingCommon Stock 1,464 $254.25 $372,222.00
Disclosure

SEC source: 0001596532-18-000129 · edgardoc.xml · nonDerivative · entry 5

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,204

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 21:57 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 600 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000129 · edgardoc.xml · nonDerivative · entry 4

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,668

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
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 600 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000129 · edgardoc.xml · nonDerivative · entry 3

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,068

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
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 250 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000129 · edgardoc.xml · nonDerivative · entry 2

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,468

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
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 1,500 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000129 · edgardoc.xml · nonDerivative · entry 1

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,218

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 · 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
Ullal JayshreeDirector · President and CEO
Exercise / conversionRestricted Stock Unit-1 · Derivative 2,063 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000131 · edgardoc.xml · derivative · entry 8

Ullal Jayshree · CIK 0001605809 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,875

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.

F6 · 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.

F6 · 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
May 21, 2018 Filed May 23, 2018 21:57 UTC
Ullal JayshreeDirector · President and CEO
Tax withholdingCommon Stock 965 $254.25 $245,351.25
Disclosure

SEC source: 0001596532-18-000131 · edgardoc.xml · nonDerivative · entry 2

Ullal Jayshree · CIK 0001605809 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,998

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 21:57 UTC
Ullal JayshreeDirector · President and CEO
Exercise / conversionCommon Stock 2,063 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000131 · edgardoc.xml · nonDerivative · entry 1

Ullal Jayshree · CIK 0001605809 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,963

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 21:58 UTC Exercise / conversionRestricted Stock Unit-1 · Derivative 437 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000133 · edgardoc.xml · derivative · entry 4

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,494

Underlying: Common Stock · 437 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: 1/12th of the 5,240 restricted stock units awarded vested on August 21, 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.

F3 · derivative.expiration_date: 1/12th of the 5,240 restricted stock units awarded vested on August 21, 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
May 21, 2018 Filed May 23, 2018 21:58 UTC SaleCommon Stock 10 $252.93 $2,529.30
Disclosure

SEC source: 0001596532-18-000133 · edgardoc.xml · nonDerivative · entry 3

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,636

F2 · 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.

Read SEC document
May 21, 2018 Filed May 23, 2018 21:58 UTC SaleCommon Stock 100 $250.00 $25,000.00
Disclosure

SEC source: 0001596532-18-000133 · edgardoc.xml · nonDerivative · entry 2

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,646

F2 · 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.

Read SEC document
May 21, 2018 Filed May 23, 2018 21:58 UTC Exercise / conversionCommon Stock 437 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000133 · edgardoc.xml · nonDerivative · entry 1

Theodosopoulos Nikos · CIK 0001605860 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,746

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 21:58 UTC Exercise / conversionRestricted Stock Unit-1 · Derivative 834 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000134 · edgardoc.xml · derivative · entry 2

Scheinman Daniel · CIK 0001605698 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,333

Underlying: Common Stock · 834 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.

F2 · derivative.exercise_date: 1/12th of the 10,000 restricted stock units awarded vested on August 20, 2016 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.

F2 · derivative.expiration_date: 1/12th of the 10,000 restricted stock units awarded vested on August 20, 2016 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
May 21, 2018 Filed May 23, 2018 21:58 UTC Exercise / conversionCommon Stock 834 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000134 · edgardoc.xml · nonDerivative · entry 1

Scheinman Daniel · CIK 0001605698 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,834

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 21:58 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: 0001596532-18-000132 · 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: 28,875

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
May 21, 2018 Filed May 23, 2018 21:58 UTC
BECHTOLSHEIM ANDREASDirector · Chief Development Officer · 10% owner
Tax withholdingCommon Stock 974 $254.25 $247,639.50
Disclosure

SEC source: 0001596532-18-000132 · 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: 2,438

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 21:58 UTC
BECHTOLSHEIM ANDREASDirector · Chief Development Officer · 10% owner
Exercise / conversionCommon Stock 2,063 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000132 · 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: 3,412

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 21:58 UTC Exercise / conversionRestricted Stock Unit-1 · Derivative 834 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000135 · edgardoc.xml · derivative · entry 3

Giancarlo Charles H · CIK 0001299634 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,333

Underlying: Common Stock · 834 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: 1/12th of the 10,000 restricted stock units awarded vested on August 20, 2016 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.

F3 · derivative.expiration_date: 1/12th of the 10,000 restricted stock units awarded vested on August 20, 2016 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
May 21, 2018 Filed May 23, 2018 21:58 UTC Exercise / conversionCommon Stock 834 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000135 · edgardoc.xml · nonDerivative · entry 1

Giancarlo Charles H · CIK 0001299634 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,667

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 21:59 UTC
MATHER ANNDirector
Exercise / conversionRestricted Stock Unit-1 · Derivative 834 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000136 · edgardoc.xml · derivative · entry 4

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,333

Underlying: Common Stock · 834 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: 1/12th of the 10,000 restricted stock units awarded vested on August 20, 2016 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: 1/12th of the 10,000 restricted stock units awarded vested on August 20, 2016 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
May 21, 2018 Filed May 23, 2018 21:59 UTC
MATHER ANNDirector
SaleCommon Stock 333 $253.12 $84,288.29
Disclosure

SEC source: 0001596532-18-000136 · edgardoc.xml · nonDerivative · entry 3

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,801

F2 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 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 $252.82 to $253.32, 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
May 21, 2018 Filed May 23, 2018 21:59 UTC
MATHER ANNDirector
SaleCommon Stock 100 $250.05 $25,005.00
Disclosure

SEC source: 0001596532-18-000136 · edgardoc.xml · nonDerivative · entry 2

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,134

F2 · kind: The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2017.

Read SEC document
May 21, 2018 Filed May 23, 2018 21:59 UTC
MATHER ANNDirector
Exercise / conversionCommon Stock 834 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000136 · edgardoc.xml · nonDerivative · entry 1

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,234

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.

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May 21, 2018 Filed May 23, 2018 21:59 UTC Exercise / conversionRestricted Stock Unit-1 · Derivative 437 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000137 · edgardoc.xml · derivative · entry 2

TEMPLETON MARK B · CIK 0001201938 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,494

Underlying: Common Stock · 437 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.

F2 · derivative.exercise_date: 1/12th of the 5,240 restricted stock units awarded vested on August 21, 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.

F2 · derivative.expiration_date: 1/12th of the 5,240 restricted stock units awarded vested on August 21, 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.

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May 21, 2018 Filed May 23, 2018 21:59 UTC Exercise / conversionCommon Stock 437 $0.00 $0.00
Disclosure

SEC source: 0001596532-18-000137 · edgardoc.xml · nonDerivative · entry 1

TEMPLETON MARK B · CIK 0001201938 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,746

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 10, 2018 Filed May 15, 2018 01:27 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 4,502 $261.39 $1,176,766.07
Disclosure

SEC source: 0001596532-18-000113 · 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: 878,568

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.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $261.13 to $261.71, 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 trustee.

Read SEC document
May 10, 2018 Filed May 15, 2018 01:27 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 2,828 $260.66 $737,158.07
Disclosure

SEC source: 0001596532-18-000113 · 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: 883,070

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 $260.12 to $261.10, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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

Read SEC document
May 10, 2018 Filed May 15, 2018 01:27 UTC
Duda KennethCTO and SVP Software Eng.
SaleCommon Stock 3,670 $259.80 $953,473.71
Disclosure

SEC source: 0001596532-18-000113 · 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: 885,898

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 $259.12 to $260.11, 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 trustee.

Read SEC document
May 01, 2018 Filed May 4, 2018 01:19 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: 0001596532-18-000105 · edgardoc.xml · derivative · entry 15

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,167

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 12, 2017.

F10 · 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
May 01, 2018 Filed May 4, 2018 01:19 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: 0001596532-18-000105 · edgardoc.xml · derivative · entry 14

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,167

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 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
May 01, 2018 Filed May 4, 2018 01:19 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 1,334 $0.00 Strike: $56.24 $0.00
Disclosure

SEC source: 0001596532-18-000105 · edgardoc.xml · derivative · entry 13

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,666

Underlying: Common Stock · 1,334 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
May 01, 2018 Filed May 4, 2018 01:19 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: 0001596532-18-000105 · edgardoc.xml · derivative · entry 12

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,000

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 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
May 01, 2018 Filed May 4, 2018 01:19 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: 0001596532-18-000105 · edgardoc.xml · derivative · entry 11

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,000

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 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
May 01, 2018 Filed May 4, 2018 01:19 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 40 $264.71 $10,588.40
Disclosure

SEC source: 0001596532-18-000105 · edgardoc.xml · nonDerivative · entry 10

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,718

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 $264.55 to $264.87, 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
May 01, 2018 Filed May 4, 2018 01:19 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 140 $263.54 $36,896.01
Disclosure

SEC source: 0001596532-18-000105 · edgardoc.xml · nonDerivative · entry 9

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,758

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 $263.53 to $263.545, 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
May 01, 2018 Filed May 4, 2018 01:19 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 580 $262.88 $152,470.69
Disclosure

SEC source: 0001596532-18-000105 · edgardoc.xml · nonDerivative · entry 8

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,898

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 $262.50 to $263.34, 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
May 01, 2018 Filed May 4, 2018 01:19 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 480 $261.82 $125,675.28
Disclosure

SEC source: 0001596532-18-000105 · edgardoc.xml · nonDerivative · entry 7

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,478

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 $261.49 to $262.37, 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
May 01, 2018 Filed May 4, 2018 01:19 UTC
Taxay MarcSVP and General Counsel
SaleCommon Stock 760 $261.09 $198,425.82
Disclosure

SEC source: 0001596532-18-000105 · edgardoc.xml · nonDerivative · entry 6

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,958

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 $260.49 to $261.48 , 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.

Read SEC document
May 01, 2018 Filed May 4, 2018 01:19 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 1,334 $56.24 $75,024.16
Disclosure

SEC source: 0001596532-18-000105 · edgardoc.xml · nonDerivative · entry 5

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,718

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 01, 2018 Filed May 4, 2018 01:19 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 166 $64.46 $10,700.36
Disclosure

SEC source: 0001596532-18-000105 · edgardoc.xml · nonDerivative · entry 4

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,384

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 01, 2018 Filed May 4, 2018 01:19 UTC
Taxay MarcSVP and General Counsel
Exercise / conversionCommon Stock 166 $68.34 $11,344.44
Disclosure

SEC source: 0001596532-18-000105 · edgardoc.xml · nonDerivative · entry 3

Taxay Marc · CIK 0001672685 · SVP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,218

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 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

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