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
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 34 |
| Dec 2025 | 0 | 18 |
| Jan 2026 | 0 | 16 |
| Feb 2026 | 0 | 30 |
| Mar 2026 | 0 | 19 |
| Apr 2026 | 0 | 52 |
| May 2026 | 0 | 47 |
| Jun 2026 | 0 | 62 |
| Jul 2026 | 0 | 66 |
| Aug 2026 | 0 | 176 |
| Sep 2026 | 0 | 33 |
| Oct 2026 | 0 | 24 |
Latest available
Insider transactions
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 date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 2,003 | $163.10 | $326,685.49 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 14 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Foundation Disclosed balance after: 496,892 F9 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 13, 2025 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.59 to $163.589, 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 · 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 |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 3,091 | $162.15 | $501,194.52 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 13 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Foundation Disclosed balance after: 498,895 F9 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 13, 2025 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee. F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $161.59 to $162.57, 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 · 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 |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 414 | $161.18 | $66,728.85 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 12 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Foundation Disclosed balance after: 501,986 F9 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 13, 2025 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.53 to $161.50, 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. F10 · 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 |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 2,391 | $164.86 | $394,176.43 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 11 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Childrens' Trust Disclosed balance after: 1,079,168 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 March 13, 2025. F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $164.60 to $165.24, 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. F8 · 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 |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 4,796 | $164.18 | $787,405.36 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 10 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Childrens' Trust Disclosed balance after: 1,081,559 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 March 13, 2025. F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $163.5911 to $164.59, 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 · 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 |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 3,205 | $163.10 | $522,729.41 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 9 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Childrens' Trust Disclosed balance after: 1,086,355 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 March 13, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.59 to $163.589, 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 · 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 |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 4,946 | $162.15 | $801,976.09 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 8 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Childrens' Trust Disclosed balance after: 1,089,560 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 March 13, 2025. F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $161.59 to $162.57, 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 · 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 |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 662 | $161.18 | $106,701.69 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 7 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Childrens' Trust Disclosed balance after: 1,094,506 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 March 13, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.53 to $161.50, 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. F8 · 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 |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 4,782 | $164.86 | $788,352.87 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 6 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 12,976 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 13, 2025. F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $164.60 to $165.24, 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. Read SEC document |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 9,592 | $164.18 | $1,574,810.72 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 5 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 17,758 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 13, 2025. F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $163.5911 to $164.59, 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 |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 6,410 | $163.10 | $1,045,458.82 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 4 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 27,350 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 13, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.59 to $163.589, 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 |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 9,892 | $162.15 | $1,603,952.19 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 3 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 33,760 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 13, 2025. F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $161.59 to $162.57, 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 |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 1,324 | $161.18 | $213,403.38 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 2 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 43,652 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 13, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.53 to $161.50, 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. Read SEC document |
| April 17, 2026 Filed Apr 21, 2026 23:05 UTC |
Duda KennethDirector · President and CTO
|
Exercise / conversionCommon Stock | 32,000 | $15.26 | $488,400.00 |
DisclosureSEC source: 0001596532-26-000062 · edgardoc.xml · nonDerivative · entry 1 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 44,976 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 13, 2025. Read SEC document |
| April 16, 2026 Filed Apr 20, 2026 23:06 UTC |
Ullal JayshreeDirector · CEO and Chairperson
|
SaleCommon Stock | 20,827 | $160.55 | $3,343,831.08 |
DisclosureSEC source: 0001596532-26-000060 · edgardoc.xml · nonDerivative · entry 6 Ullal Jayshree · CIK 0001605809 · Director · CEO and Chairperson 10b5-1 filing: Plan reported Ownership: Indirect · by Trust Disclosed balance after: 18,062,010 F5 · kind: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.03 to $160.96, 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 · ownership.nature: These shares are held by a family trust for which the reporting person is co-trustee. Read SEC document |
| April 16, 2026 Filed Apr 20, 2026 23:06 UTC |
Ullal JayshreeDirector · CEO and Chairperson
|
SaleCommon Stock | 229,173 | $159.20 | $36,485,189.54 |
DisclosureSEC source: 0001596532-26-000060 · edgardoc.xml · nonDerivative · entry 5 Ullal Jayshree · CIK 0001605809 · Director · CEO and Chairperson 10b5-1 filing: Plan reported Ownership: Indirect · by Trust Disclosed balance after: 18,082,837 F5 · kind: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $159.00 to $159.99, 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. F6 · ownership.nature: These shares are held by a family trust for which the reporting person is co-trustee. Read SEC document |
| April 16, 2026 Filed Apr 20, 2026 23:06 UTC |
Ullal JayshreeDirector · CEO and Chairperson
|
SaleCommon Stock | 4,166 | $160.55 | $668,862.55 |
DisclosureSEC source: 0001596532-26-000060 · edgardoc.xml · nonDerivative · entry 4 Ullal Jayshree · CIK 0001605809 · Director · CEO and Chairperson 10b5-1 filing: Plan reported Ownership: Indirect · By Trust for Child 2 Disclosed balance after: 5,333,207 F1 · 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 relatives on November 14, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.03 to $160.96, 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 in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. Read SEC document |
| April 16, 2026 Filed Apr 20, 2026 23:06 UTC |
Ullal JayshreeDirector · CEO and Chairperson
|
SaleCommon Stock | 45,834 | $159.20 | $7,296,942.39 |
DisclosureSEC source: 0001596532-26-000060 · edgardoc.xml · nonDerivative · entry 3 Ullal Jayshree · CIK 0001605809 · Director · CEO and Chairperson 10b5-1 filing: Plan reported Ownership: Indirect · By Trust for Child 2 Disclosed balance after: 5,337,373 F1 · 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 relatives on November 14, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $159.00 to $159.99, 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. F3 · ownership.nature: These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. Read SEC document |
| April 16, 2026 Filed Apr 20, 2026 23:06 UTC |
Ullal JayshreeDirector · CEO and Chairperson
|
SaleCommon Stock | 4,166 | $160.55 | $668,862.55 |
DisclosureSEC source: 0001596532-26-000060 · edgardoc.xml · nonDerivative · entry 2 Ullal Jayshree · CIK 0001605809 · Director · CEO and Chairperson 10b5-1 filing: Plan reported Ownership: Indirect · By Trust for Child 1 Disclosed balance after: 5,333,207 F1 · 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 relatives on November 14, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $160.03 to $160.96, 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 in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. Read SEC document |
| April 16, 2026 Filed Apr 20, 2026 23:06 UTC |
Ullal JayshreeDirector · CEO and Chairperson
|
SaleCommon Stock | 45,834 | $159.20 | $7,296,942.39 |
DisclosureSEC source: 0001596532-26-000060 · edgardoc.xml · nonDerivative · entry 1 Ullal Jayshree · CIK 0001605809 · Director · CEO and Chairperson 10b5-1 filing: Plan reported Ownership: Indirect · By Trust for Child 1 Disclosed balance after: 5,337,373 F1 · 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 relatives on November 14, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $159.00 to $159.99, 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. F3 · ownership.nature: These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. Read SEC document |
| April 15, 2026 Filed Apr 17, 2026 23:25 UTC |
Wassenaar YvonneDirector
|
SaleCommon Stock | 6 | $154.72 | $928.32 |
DisclosureSEC source: 0001596532-26-000058 · edgardoc.xml · nonDerivative · entry 5 Wassenaar Yvonne · CIK 0001707744 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 9,784 F1 · kind: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. Read SEC document |
| April 15, 2026 Filed Apr 17, 2026 23:25 UTC |
Wassenaar YvonneDirector
|
SaleCommon Stock | 290 | $154.08 | $44,681.75 |
DisclosureSEC source: 0001596532-26-000058 · edgardoc.xml · nonDerivative · entry 4 Wassenaar Yvonne · CIK 0001707744 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 9,790 F1 · kind: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $153.72 to $154.46, 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 |
| April 15, 2026 Filed Apr 17, 2026 23:25 UTC |
Wassenaar YvonneDirector
|
SaleCommon Stock | 607 | $153.35 | $93,084.24 |
DisclosureSEC source: 0001596532-26-000058 · edgardoc.xml · nonDerivative · entry 3 Wassenaar Yvonne · CIK 0001707744 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 10,080 F1 · kind: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $152.69 to $153.68, 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 |
| April 15, 2026 Filed Apr 17, 2026 23:25 UTC |
Wassenaar YvonneDirector
|
SaleCommon Stock | 414 | $152.31 | $63,054.81 |
DisclosureSEC source: 0001596532-26-000058 · edgardoc.xml · nonDerivative · entry 2 Wassenaar Yvonne · CIK 0001707744 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 10,687 F1 · kind: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $151.69 to $152.68, 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 |
| April 15, 2026 Filed Apr 17, 2026 23:25 UTC |
Wassenaar YvonneDirector
|
SaleCommon Stock | 78 | $151.07 | $11,783.44 |
DisclosureSEC source: 0001596532-26-000058 · edgardoc.xml · nonDerivative · entry 1 Wassenaar Yvonne · CIK 0001707744 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 11,101 F1 · kind: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.68 to $151.56, 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 |
| April 14, 2026 Filed Apr 16, 2026 23:08 UTC |
Breithaupt Chantelle YvetteSenior Vice President, CFO
|
SaleCommon Stock | 8,890 | $155.02 | $1,378,164.25 |
DisclosureSEC source: 0001596532-26-000056 · edgardoc.xml · nonDerivative · entry 1 Breithaupt Chantelle Yvette · CIK 0001850596 · Senior Vice President, CFO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 60,734 F1 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on December 11, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $155.00 to $155.06, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Read SEC document |
| April 13, 2026 Filed Apr 15, 2026 22:50 UTC |
Ullal JayshreeDirector · CEO and Chairperson
|
SaleCommon Stock | 112,812 | $150.11 | $16,934,671.85 |
DisclosureSEC source: 0001596532-26-000054 · edgardoc.xml · nonDerivative · entry 1 Ullal Jayshree · CIK 0001605809 · Director · CEO and Chairperson 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 9,917 F1 · kind: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.00 to $150.36, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Read SEC document |
| April 01, 2026 Filed Apr 3, 2026 22:31 UTC |
Giancarlo Charles HDirector
|
SaleCommon Stock | 400 | $127.00 | $50,798.56 |
DisclosureSEC source: 0001596532-26-000052 · edgardoc.xml · nonDerivative · entry 3 Giancarlo Charles H · CIK 0001299634 · Director 10b5-1 filing: Plan reported Ownership: Indirect · by Trust Disclosed balance after: 216,333 F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.90 to $127.09, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. F3 · ownership.nature: These shares are held by a family trust for which the reporting person is co-trustee. Read SEC document |
| April 01, 2026 Filed Apr 3, 2026 22:31 UTC |
Giancarlo Charles HDirector
|
SaleCommon Stock | 3,702 | $126.44 | $468,070.51 |
DisclosureSEC source: 0001596532-26-000052 · edgardoc.xml · nonDerivative · entry 2 Giancarlo Charles H · CIK 0001299634 · Director 10b5-1 filing: Plan reported Ownership: Indirect · by Trust Disclosed balance after: 216,733 F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.90 to $126.85, 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 co-trustee. Read SEC document |
| April 01, 2026 Filed Apr 3, 2026 22:31 UTC |
Giancarlo Charles HDirector
|
SaleCommon Stock | 3,898 | $125.38 | $488,734.36 |
DisclosureSEC source: 0001596532-26-000052 · edgardoc.xml · nonDerivative · entry 1 Giancarlo Charles H · CIK 0001299634 · Director 10b5-1 filing: Plan reported Ownership: Indirect · by Trust Disclosed balance after: 220,435 F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.90 to $125.89, 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. F2 · balance_after: The number of shares held reflects the transfer of 222,549 shares of Common Stock from the reporting person to a family trust for which the reporting person is co-trustee. F3 · ownership.nature: These shares are held by a family trust for which the reporting person is co-trustee. Read SEC document |
| March 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative | 32,000 | $0.00 Strike: $15.26 | $0.00 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · derivative · entry 17 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 64,000 Underlying: Common Stock · 32,000 shares Expires 2028-04-12 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/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 13, 2025. F13 · derivative.exercise_date: 1/48th of the shares subject to the option shall vest and become exercisable on June 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter. Read SEC document |
| March 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 629 | $135.97 | $85,526.58 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 13 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Foundation Disclosed balance after: 502,400 F8 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 13, 2025 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee. F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.4874 to $136.41, 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 by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. Read SEC document |
| March 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 2,681 | $134.88 | $361,610.60 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 12 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Foundation Disclosed balance after: 503,029 F8 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 13, 2025 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.475 to $135.4697, 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 by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. Read SEC document |
| March 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 4,377 | $134.02 | $586,588.03 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 11 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Foundation Disclosed balance after: 505,710 F8 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 13, 2025 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee. F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.47 to $134.4696, 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 by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. Read SEC document |
| March 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 2,313 | $133.03 | $307,708.80 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 10 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Foundation Disclosed balance after: 510,087 F8 · kind: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 13, 2025 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as co-trustee. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.47 to $133.4683, 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 by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. Read SEC document |
| March 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 1,006 | $135.97 | $136,788.13 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 9 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Childrens' Trust Disclosed balance after: 1,095,168 F6 · 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 March 13, 2025. F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.4874 to $136.41, 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 · 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 |
| March 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 4,290 | $134.88 | $578,630.91 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 8 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Childrens' Trust Disclosed balance after: 1,096,174 F6 · 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 March 13, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.475 to $135.4697, 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 · 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 |
| March 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 7,003 | $134.02 | $938,514.05 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 7 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Childrens' Trust Disclosed balance after: 1,100,464 F6 · 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 March 13, 2025. F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.47 to $134.4696, 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 · 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 |
| March 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 3,701 | $133.03 | $492,360.68 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 6 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Indirect · By Childrens' Trust Disclosed balance after: 1,107,467 F6 · 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 March 13, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.47 to $133.4683, 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 · 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 |
| March 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 2,013 | $135.97 | $273,712.24 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 5 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 12,976 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 13, 2025. F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.4874 to $136.41, 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 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 8,581 | $134.88 | $1,157,396.70 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 4 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 14,989 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 13, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.475 to $135.4697, 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 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 14,005 | $134.02 | $1,876,894.08 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 3 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 23,570 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 13, 2025. F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.47 to $134.4696, 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 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
SaleCommon Stock | 7,401 | $133.03 | $984,588.33 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 2 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 37,575 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 13, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.47 to $133.4683, 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 17, 2026 Filed Mar 19, 2026 23:03 UTC |
Duda KennethDirector · President and CTO
|
Exercise / conversionCommon Stock | 32,000 | $15.26 | $488,400.00 |
DisclosureSEC source: 0001596532-26-000050 · edgardoc.xml · nonDerivative · entry 1 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 44,976 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 13, 2025. Read SEC document |
| March 16, 2026 Filed Mar 18, 2026 23:50 UTC |
Wassenaar YvonneDirector
|
SaleCommon Stock | 539 | $135.54 | $73,055.74 |
DisclosureSEC source: 0001596532-26-000048 · edgardoc.xml · nonDerivative · entry 4 Wassenaar Yvonne · CIK 0001707744 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 11,179 F1 · kind: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.24 to $136.03, 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 16, 2026 Filed Mar 18, 2026 23:50 UTC |
Wassenaar YvonneDirector
|
SaleCommon Stock | 232 | $134.65 | $31,239.66 |
DisclosureSEC source: 0001596532-26-000048 · edgardoc.xml · nonDerivative · entry 3 Wassenaar Yvonne · CIK 0001707744 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 11,718 F1 · kind: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.24 to $135.22, 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 16, 2026 Filed Mar 18, 2026 23:50 UTC |
Wassenaar YvonneDirector
|
SaleCommon Stock | 360 | $133.55 | $48,078.72 |
DisclosureSEC source: 0001596532-26-000048 · edgardoc.xml · nonDerivative · entry 2 Wassenaar Yvonne · CIK 0001707744 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 11,950 F1 · kind: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.13 to $134.11, 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. Read SEC document |
| March 16, 2026 Filed Mar 18, 2026 23:50 UTC |
Wassenaar YvonneDirector
|
SaleCommon Stock | 264 | $132.69 | $35,030.27 |
DisclosureSEC source: 0001596532-26-000048 · edgardoc.xml · nonDerivative · entry 1 Wassenaar Yvonne · CIK 0001707744 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 12,310 F1 · kind: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025. F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.06 to $133.05, 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. Read SEC document |
| March 11, 2026 Filed Mar 13, 2026 23:04 UTC |
Duda KennethDirector · President and CTO
|
OtherCommon Stock | 111,628 | $0.00 | $0.00 |
DisclosureSEC source: 0001596532-26-000045 · edgardoc.xml · nonDerivative · entry 3 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: No plan indicated Ownership: Indirect · by Trust Disclosed balance after: 201,134 F5 · kind: Represents an aggregate of 111,628 shares contributed from the GRAT of the Reporting Person (55,814 shares), and GRAT of the Reporting Person's spouse (55,814 shares) F6 · ownership.nature: These shares are held by a family trust for which the reporting person is co-trustee. Read SEC document |
| March 11, 2026 Filed Mar 13, 2026 23:04 UTC |
Duda KennethDirector · President and CTO
|
OtherCommon Stock | 55,814 | $0.00 | $0.00 |
DisclosureSEC source: 0001596532-26-000045 · edgardoc.xml · nonDerivative · entry 2 Duda Kenneth · CIK 0001605808 · Director · President and CTO 10b5-1 filing: No plan indicated Ownership: Indirect · By GRAT KD Disclosed balance after: 702,147 F3 · kind: Represents 55,814 shares transferred to the Family Trust from the GRAT of the Reporting Person. F4 · ownership.nature: Reporting person is the trustee of the Kenneth Duda Annuity Trusts. 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.