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Duda Kenneth

Disclosed activity across 1 company

Tapewire entity
10329
SEC CIK
0001605808

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Arista Networks, Inc.ANET · Entity 2421Director · President and CTOSeptember 21, 2026September 23, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Arista Networks, Inc.

Report date September 21, 2026 · Filed September 23, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect12,976 Ending reported balance After 2026-09-21 transaction · row 6
6 source rows · reconciled sequence

Row 1 · 2026-09-21 · Exercise / conversion · Acquired 17,333 · Balance 30,309

F1: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.

Row 2 · 2026-09-21 · Sale · Disposed 1,480 · Balance 28,829

F1: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.09 to $202.08, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Row 3 · 2026-09-21 · Sale · Disposed 7,420 · Balance 21,409

F1: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.10 to $203.08, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Row 4 · 2026-09-21 · Sale · Disposed 2,700 · Balance 18,709

F1: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.11 to $203.99, 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.

Row 5 · 2026-09-21 · Sale · Disposed 3,533 · Balance 15,176

F1: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.20 to $205.18, 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.

Row 6 · 2026-09-21 · Sale · Disposed 2,200 · Balance 12,976

F1: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.20 to $205.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Common StockSEC Table I · non-derivativeIndirectBy Childrens' Trust1,170,918 Last balance in matching sequence After 2026-09-21 transaction · row 11 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
5 source rows

Row 7 · 2026-09-21 · Sale · Disposed 1,366 · Balance 1,185,552

F7: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.09 to $202.08, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

Row 8 · 2026-09-21 · Sale · Disposed 6,849 · Balance 1,178,703

F7: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.10 to $203.08, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

Row 9 · 2026-09-21 · Sale · Disposed 2,492 · Balance 1,176,211

F7: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.11 to $203.99, 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.

F8: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

Row 10 · 2026-09-21 · Sale · Disposed 3,262 · Balance 1,172,949

F7: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.20 to $205.18, 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.

F8: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

Row 11 · 2026-09-21 · Sale · Disposed 2,031 · Balance 1,170,918

F7: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.20 to $205.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

Common StockSEC Table I · non-derivativeIndirectBy Foundation442,400 Last balance in matching sequence After 2026-09-21 transaction · row 16 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
5 source rows

Row 12 · 2026-09-21 · Sale · Disposed 854 · Balance 451,546

F9: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.09 to $202.08, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

Row 13 · 2026-09-21 · Sale · Disposed 4,281 · Balance 447,265

F9: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.10 to $203.08, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

Row 14 · 2026-09-21 · Sale · Disposed 1,558 · Balance 445,707

F9: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.11 to $203.99, 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.

F10: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

Row 15 · 2026-09-21 · Sale · Disposed 2,038 · Balance 443,669

F9: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.20 to $205.18, 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.

F10: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

Row 16 · 2026-09-21 · Sale · Disposed 1,269 · Balance 442,400

F9: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.20 to $205.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

Non-Qualified Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $14.15 · Expires 2029-02-07Direct138,668 Reported balance After 2026-09-21 transaction · row 20 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 20 · 2026-09-21 · Exercise / conversion · Disposed 17,333 · Balance 138,668

F1: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.

F14: 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

Common StockSEC Table I · non-derivativeIndirectBy GRAT JD692,104 Reported balance Holding disclosure · report date 2026-09-21 · row 17 Holding and transaction disclosures are not merged.
1 source row

Row 17 · Balance 692,104

F11: Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

Common StockSEC Table I · non-derivativeIndirectBy GRAT KD690,621 Reported balance Holding disclosure · report date 2026-09-21 · row 18 Holding and transaction disclosures are not merged.
1 source row

Row 18 · Balance 690,621

F12: Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

Common StockSEC Table I · non-derivativeIndirectby Trust81,927 Reported balance Holding disclosure · report date 2026-09-21 · row 19 Holding and transaction disclosures are not merged.
1 source row

Row 19 · Balance 81,927

F13: These shares are held by a family trust for which the reporting person is co-trustee.

Filing footnotes · ownership attribution and instrument terms

F1: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.09 to $202.08, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.10 to $203.08, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.11 to $203.99, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.20 to $205.18, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.20 to $205.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026.

F8: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

F9: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F10: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

F11: Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

F12: Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

F13: These shares are held by a family trust for which the reporting person is co-trustee.

F14: 1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
March 10, 2022 Filed Mar 12, 2022 00:12 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 15,274 $120.49 $1,840,411.61
Disclosure

SEC source: 0001596532-22-000096 · edgardoc.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,567

F1 · kind: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $120.01 to $121.00, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
March 10, 2022 Filed Mar 12, 2022 00:12 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 9,226 $119.44 $1,101,911.92
Disclosure

SEC source: 0001596532-22-000096 · edgardoc.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,841

F1 · kind: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $119.01 to $120.00, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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March 10, 2022 Filed Mar 12, 2022 00:12 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 4,300 $118.48 $509,476.90
Disclosure

SEC source: 0001596532-22-000096 · edgardoc.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,067

F1 · kind: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.00 to $118.99, 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
March 10, 2022 Filed Mar 12, 2022 00:12 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionCommon Stock 40,000 $5.62 $224,900.00
Disclosure

SEC source: 0001596532-22-000096 · edgardoc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,367

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/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

Read SEC document
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionRestricted Stock Unit-9 · Derivative 2,718 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · derivative · entry 24

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,452

Underlying: Common Stock · 2,718 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.

F15 · derivative.exercise_date: This performance stock award was granted in the first quarter of 2021 and was earned based on attainment of certain performance conditions. The award vests 1/3 on February 22, 2022, and will continue to vest quarterly over 2 years. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

F15 · derivative.expiration_date: This performance stock award was granted in the first quarter of 2021 and was earned based on attainment of certain performance conditions. The award vests 1/3 on February 22, 2022, and will continue to vest quarterly over 2 years. 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.

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February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 GrantRestricted Stock Unit-9 · Derivative 8,170 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · derivative · entry 23

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,170

Underlying: Common Stock · 8,170 shares

Expires not disclosed

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

F15 · derivative.exercise_date: This performance stock award was granted in the first quarter of 2021 and was earned based on attainment of certain performance conditions. The award vests 1/3 on February 22, 2022, and will continue to vest quarterly over 2 years. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

F15 · derivative.expiration_date: This performance stock award was granted in the first quarter of 2021 and was earned based on attainment of certain performance conditions. The award vests 1/3 on February 22, 2022, and will continue to vest quarterly over 2 years. 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
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionRestricted Stock Unit-7 · Derivative 1,428 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · derivative · entry 22

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,412

Underlying: Common Stock · 1,428 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.

F14 · derivative.exercise_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on February 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

F14 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on February 20, 2022 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

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February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionRestricted Stock Unit-6 · Derivative 2,664 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · derivative · entry 21

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,980

Underlying: Common Stock · 2,664 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.

F13 · derivative.exercise_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on May 20, 2021 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

F13 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on May 20, 2021 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

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February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionRestricted Stock Unit-5 · Derivative 1,748 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · derivative · entry 20

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,500

Underlying: Common Stock · 1,748 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.

F12 · derivative.exercise_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

F12 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

Read SEC document
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionRestricted Stock Unit-4 · Derivative 1,248 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · derivative · entry 19

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

Underlying: Common Stock · 1,248 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.

F11 · derivative.exercise_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

F11 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on November 20, 2020 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

Read SEC document
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionRestricted Stock Unit-3 · Derivative 1,500 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · derivative · entry 18

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

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.

F10 · derivative.exercise_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on May 20, 2019 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.

F10 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on May 20, 2019 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
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionRestricted Stock Unit-2 · Derivative 4,000 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · derivative · entry 17

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,000

Underlying: Common Stock · 4,000 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.

F9 · derivative.exercise_date: Five percent (5%) of the restricted stock units awarded vested 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.

F9 · derivative.expiration_date: Five percent (5%) of the restricted stock units awarded vested 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
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionRestricted Stock Unit-10 · Derivative 3,048 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · derivative · entry 16

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,112

Underlying: Common Stock · 3,048 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: This performance stock award was granted in the first quarter of 2021 and was earned based on attainment of certain performance conditions. The award vests 1/3 on February 22, 2022, and will continue to vest quarterly over 2 years. 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.

F8 · derivative.expiration_date: This performance stock award was granted in the first quarter of 2021 and was earned based on attainment of certain performance conditions. The award vests 1/3 on February 22, 2022, and will continue to vest quarterly over 2 years. 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
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 GrantRestricted Stock Unit-10 · Derivative 9,160 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · derivative · entry 15

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,160

Underlying: Common Stock · 9,160 shares

Expires not disclosed

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: This performance stock award was granted in the first quarter of 2021 and was earned based on attainment of certain performance conditions. The award vests 1/3 on February 22, 2022, and will continue to vest quarterly over 2 years. 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.

F8 · derivative.expiration_date: This performance stock award was granted in the first quarter of 2021 and was earned based on attainment of certain performance conditions. The award vests 1/3 on February 22, 2022, and will continue to vest quarterly over 2 years. 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
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Tax withholdingCommon Stock 9,104 $121.83 $1,109,140.32
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,367

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

Read SEC document
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionCommon Stock 3,048 $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,471

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
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionCommon Stock 2,718 $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,423

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
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionCommon Stock 1,428 $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,705

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

Read SEC document
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionCommon Stock 2,664 $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,277

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
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionCommon Stock 1,748 $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,613

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
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionCommon Stock 1,248 $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,865

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
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionCommon Stock 1,500 $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,617

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
February 22, 2022 Filed Feb 25, 2022 02:48 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionCommon Stock 4,000 $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000059 · edgardoc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,117

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
February 11, 2022 Filed Feb 16, 2022 02:41 UTC Arista Networks, Inc. ANET · Entity 2421 GrantRestricted Stock Unit-8 · Derivative 15,530 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001596532-22-000037 · edgardoc.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,530

Underlying: Common Stock · 15,530 shares

Expires not disclosed

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: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on February 20, 2023 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

F2 · derivative.expiration_date: Six and one-quarter percent (6.25%) of the restricted stock units awarded will vest on February 20, 2023 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.

Read SEC document
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 40,000 $0.00 Strike: $1.94 $0.00
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · derivative · entry 19

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 0 shares

Expires 2023-03-10

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/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

F22 · derivative.exercise_date: 1/4th of the shares subject to the option vested and became exercisable on December 1, 2016 and 1/48th of the shares subject to the option vested each month thereafter.

Read SEC document
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 100 $130.22 $13,022.00
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 15

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Foundation

Disclosed balance after: 282,600

F14 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on December 14, 2020 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F16 · ownership.nature: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

Read SEC document
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 800 $129.61 $103,688.48
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 14

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Foundation

Disclosed balance after: 282,700

F14 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on December 14, 2020 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F18 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.09 to $130.05, 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.

F16 · ownership.nature: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

Read SEC document
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 500 $127.35 $63,674.20
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 13

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Foundation

Disclosed balance after: 283,500

F14 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on December 14, 2020 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F17 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.13 to $127.89, 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.

F16 · ownership.nature: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

Read SEC document
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 400 $126.41 $50,563.00
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 12

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Foundation

Disclosed balance after: 284,000

F14 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on December 14, 2020 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.01 to $126.74, 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.

F16 · ownership.nature: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

Read SEC document
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 700 $130.25 $91,177.03
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 11

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Childrens' Trust

Disclosed balance after: 3,552

F7 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on December 14, 2020.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $130.15 to $130.50, 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.

F9 · ownership.nature: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

Read SEC document
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 6,700 $129.69 $868,932.38
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Childrens' Trust

Disclosed balance after: 4,252

F7 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on December 14, 2020.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.125 to $130.10, 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.

F9 · ownership.nature: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

Read SEC document
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 1,700 $128.61 $218,641.76
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Childrens' Trust

Disclosed balance after: 10,952

F7 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on December 14, 2020.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.12 to $128.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 · ownership.nature: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

Read SEC document
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 2,377 $127.48 $303,008.55
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Childrens' Trust

Disclosed balance after: 12,652

F7 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on December 14, 2020.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.01 to $127.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 · ownership.nature: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

Read SEC document
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 4,859 $126.63 $615,272.33
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Childrens' Trust

Disclosed balance after: 15,029

F7 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on December 14, 2020.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.01 to $127.0075, 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.

F9 · ownership.nature: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

Read SEC document
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 11,637 $129.90 $1,511,695.18
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,117

F1 · kind: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.64 to $130.37, 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
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 9,100 $129.24 $1,176,039.41
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,754

F1 · kind: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.64 to $129.635, 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
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 4,000 $127.93 $511,719.60
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,854

F1 · kind: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.57 to $128.47, 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
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 10,373 $126.96 $1,316,941.56
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,854

F1 · kind: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.55 to $127.40, 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
February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 4,890 $126.39 $618,045.14
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,227

F1 · kind: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.55 to $126.53, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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February 10, 2022 Filed Feb 15, 2022 02:38 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionCommon Stock 40,000 $1.94 $77,600.00
Disclosure

SEC source: 0001596532-22-000030 · edgardoc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,117

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/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

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January 10, 2022 Filed Jan 13, 2022 00:08 UTC Arista Networks, Inc. ANET · Entity 2421 Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 40,000 $0.00 Strike: $1.94 $0.00
Disclosure

SEC source: 0001596532-22-000010 · edgardoc.xml · derivative · entry 18

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires 2023-03-10

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/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

F22 · derivative.exercise_date: 1/4th of the shares subject to the option vested and became exercisable on December 1, 2016 and 1/48th of the shares subject to the option vested each month thereafter.

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January 10, 2022 Filed Jan 13, 2022 00:08 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 400 $129.09 $51,636.20
Disclosure

SEC source: 0001596532-22-000010 · edgardoc.xml · nonDerivative · entry 14

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Foundation

Disclosed balance after: 284,400

F14 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on December 14, 2020 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F18 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.68 to $129.30, 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.

F16 · ownership.nature: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

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January 10, 2022 Filed Jan 13, 2022 00:08 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 400 $128.03 $51,213.88
Disclosure

SEC source: 0001596532-22-000010 · edgardoc.xml · nonDerivative · entry 13

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Foundation

Disclosed balance after: 284,800

F14 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on December 14, 2020 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F17 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.64 to $128.45, 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.

F16 · ownership.nature: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

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January 10, 2022 Filed Jan 13, 2022 00:08 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 1,000 $126.90 $126,901.50
Disclosure

SEC source: 0001596532-22-000010 · edgardoc.xml · nonDerivative · entry 12

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Foundation

Disclosed balance after: 285,200

F14 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on December 14, 2020 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee.

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.42 to $127.35, 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.

F16 · ownership.nature: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

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January 10, 2022 Filed Jan 13, 2022 00:08 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 746 $130.13 $97,073.92
Disclosure

SEC source: 0001596532-22-000010 · edgardoc.xml · nonDerivative · entry 11

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Childrens' Trust

Disclosed balance after: 19,888

F7 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on December 14, 2020.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $130.01 to $130.24, 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.

F9 · ownership.nature: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

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January 10, 2022 Filed Jan 13, 2022 00:08 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 3,787 $129.42 $490,129.82
Disclosure

SEC source: 0001596532-22-000010 · edgardoc.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Childrens' Trust

Disclosed balance after: 20,634

F7 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on December 14, 2020.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.99 to $129.93, 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.

F9 · ownership.nature: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

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January 10, 2022 Filed Jan 13, 2022 00:08 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 2,200 $128.41 $282,498.04
Disclosure

SEC source: 0001596532-22-000010 · edgardoc.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Childrens' Trust

Disclosed balance after: 24,421

F7 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on December 14, 2020.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.97 to $128.94, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 · ownership.nature: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

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January 10, 2022 Filed Jan 13, 2022 00:08 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 5,900 $127.36 $751,409.84
Disclosure

SEC source: 0001596532-22-000010 · edgardoc.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Childrens' Trust

Disclosed balance after: 26,621

F7 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on December 14, 2020.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.96 to $127.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 · ownership.nature: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

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January 10, 2022 Filed Jan 13, 2022 00:08 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 3,703 $126.52 $468,498.75
Disclosure

SEC source: 0001596532-22-000010 · edgardoc.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Childrens' Trust

Disclosed balance after: 32,521

F7 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on December 14, 2020.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.91 to $126.89, 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.

F9 · ownership.nature: These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

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January 10, 2022 Filed Jan 13, 2022 00:08 UTC Arista Networks, Inc. ANET · Entity 2421 SaleCommon Stock 2,775 $130.13 $361,114.08
Disclosure

SEC source: 0001596532-22-000010 · edgardoc.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,117

F1 · kind: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.9225 to $130.45, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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