Form 4 for ANET Arista Networks
Accepted 2026-08-24 18:14:36 ET · period of report 2026-08-20 · accession 0001596532-26-000210 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMT | 2026-08-24 18:14 | 2026-08-20 | ANET | Duda Kenneth | Pres, CTO, Dir | M - OptEx | $15.02 | +17.3K | 30.3K | +134% | +$260.3K |
| DMT | 2026-08-24 18:14 | 2026-08-20 | ANET | Duda Kenneth | Pres, CTO, Dir | S - Sale+OE | $185.42 | -17.3K | 13.0K | -57% | -$3.21M |
| DMTI | 2026-08-24 18:14 | 2026-08-20 | ANET | Duda Kenneth | Pres, CTO, Dir | S - Sale+OE | $185.42 | -26.0K | 452.4K | -5% | -$4.82M |
| DMTI | 2026-08-24 18:14 | 2026-08-20 | ANET | Duda Kenneth | Pres, CTO, Dir | M - OptEx | $0.00 | +31.0K | 137.9K | +29% | $0 |
| DTI | 2026-08-24 18:14 | 2026-08-20 | ANET | Duda Kenneth | Pres, CTO, Dir | F - Tax | $186.45 | -15.5K | 122.4K | -11% | -$2.90M |
| DMT | 2026-08-24 18:14 | 2026-08-20 | ANET | Duda Kenneth | Pres, CTO, Dir | M - OptEx | $0.00 | -52.5K | 3,884 | -93% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-20 | M | A | 13,334 | $15.28 | 26,310 | D | — | — | (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. |
| 2 | Common | Common Stock | 2026-08-20 | M | A | 3,999 | $14.15 | 30,309 | D | — | — | (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. |
| 3 | Common | Common Stock | 2026-08-20 | S | D | 4,197 | $184.33 | 26,112 | D | — | — | (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 $183.72 to $184.7176, 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. |
| 4 | Common | Common Stock | 2026-08-20 | S | D | 5,750 | $185.18 | 20,362 | D | — | — | (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 $184.72 to $185.719, 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. |
| 5 | Common | Common Stock | 2026-08-20 | S | D | 6,568 | $186.13 | 13,794 | D | — | — | (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 $185.7311 to $186.7213, 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. |
| 6 | Common | Common Stock | 2026-08-20 | S | D | 818 | $186.97 | 12,976 | D | — | — | (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 $186.7331 to $187.16, 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. |
| 7 | Common | Common Stock | 2026-08-20 | S | D | 3,875 | $184.33 | 1,027,293 | I By Childrens' Trust | — | — | (F6) 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 $183.72 to $184.7176, 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) 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. |
| 8 | Common | Common Stock | 2026-08-20 | S | D | 5,308 | $185.18 | 1,021,985 | I By Childrens' Trust | — | — | (F6) 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 $184.72 to $185.719, 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) 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. |
| 9 | Common | Common Stock | 2026-08-20 | S | D | 6,063 | $186.13 | 1,015,922 | I By Childrens' Trust | — | — | (F6) 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 $185.7311 to $186.7213, 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) 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. |
| 10 | Common | Common Stock | 2026-08-20 | S | D | 754 | $186.97 | 1,015,168 | I By Childrens' Trust | — | — | (F6) 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 $186.7331 to $187.16, 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) 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. |
| 11 | Common | Common Stock | 2026-08-20 | S | D | 2,422 | $184.33 | 459,978 | I By Foundation | — | — | (F8) 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 $183.72 to $184.7176, 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) These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. |
| 12 | Common | Common Stock | 2026-08-20 | S | D | 3,317 | $185.18 | 456,661 | I By Foundation | — | — | (F8) 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 $184.72 to $185.719, 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) These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. |
| 13 | Common | Common Stock | 2026-08-20 | S | D | 3,789 | $186.13 | 452,872 | I By Foundation | — | — | (F8) 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 $185.7311 to $186.7213, 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) These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. |
| 14 | Common | Common Stock | 2026-08-20 | S | D | 472 | $186.97 | 452,400 | I By Foundation | — | — | (F8) 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 $186.7331 to $187.16, 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) These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. |
| 15 | Common | Common Stock | 2026-08-20 | M | A | 3,880 | $0.00 | 110,770 | I by Trust | — | — | (F10) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F11) These shares are held by a family trust for which the reporting person is co-trustee. |
| 16 | Common | Common Stock | 2026-08-20 | M | A | 4,148 | $0.00 | 114,918 | I by Trust | — | — | (F10) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F11) These shares are held by a family trust for which the reporting person is co-trustee. |
| 17 | Common | Common Stock | 2026-08-20 | M | A | 1,832 | $0.00 | 116,750 | I by Trust | — | — | (F10) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F11) These shares are held by a family trust for which the reporting person is co-trustee. |
| 18 | Common | Common Stock | 2026-08-20 | M | A | 19,816 | $0.00 | 136,566 | I by Trust | — | — | (F10) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F11) These shares are held by a family trust for which the reporting person is co-trustee. |
| 19 | Common | Common Stock | 2026-08-20 | M | A | 1,350 | $0.00 | 137,916 | I by Trust | — | — | (F10) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F11) These shares are held by a family trust for which the reporting person is co-trustee. |
| 20 | Common | Common Stock | 2026-08-20 | F | D | 15,541 | $186.45 | 122,375 | I by Trust | — | — | (F12) Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units. (F11) These shares are held by a family trust for which the reporting person is co-trustee. |
| 21 | Derivative | Non-Qualified Stock Option (right to buy) | 2026-08-20 | M | D | 3,999 | $0.00 | 156,001 | D | $14.15 · — to 2029-02-07 | 3,999 Common Stock | (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. (F15) 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. |
| 22 | Derivative | Non-Qualified Stock Option (right to buy) | 2026-08-20 | M | D | 13,334 | $0.00 | 0 | D | $15.28 · — to 2028-11-08 | 13,334 Common Stock | (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. (F16) 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. |
| 23 | Derivative | Restricted Stock Unit - 17 | 2026-08-20 | M | D | 1,350 | $0.00 | 17,550 | D | $0.00 · — to — | 1,350 Common Stock | (F10) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F17) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2026 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. (F17) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2026 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. |
| 24 | Derivative | Restricted Stock Unit-11 | 2026-08-20 | M | D | 4,148 | $0.00 | 20,736 | D | $0.00 · — to — | 4,148 Common Stock | (F10) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F18) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on on February 20, 2024 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. (F18) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on on February 20, 2024 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. |
| 25 | Derivative | Restricted Stock Unit-11 | 2026-08-20 | M | D | 4,148 | $0.00 | 16,588 | D | $0.00 · — to — | 4,148 Common Stock | (F10) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F18) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on on February 20, 2024 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. (F18) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on on February 20, 2024 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. |
| 26 | Derivative | Restricted Stock Unit-13 | 2026-08-20 | M | D | 1,832 | $0.00 | 16,516 | D | $0.00 · — to — | 1,832 Common Stock | (F10) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F19) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2025 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. (F19) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2025 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. |
| 27 | Derivative | Restricted Stock Unit-14 | 2026-08-20 | M | D | 19,816 | $0.00 | 317,056 | D | $0.00 · — to — | 19,816 Common Stock | (F10) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F20) Five percent (5%) of the restricted stock awarded vested on November 20, 2025 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. (F20) Five percent (5%) of the restricted stock awarded vested on November 20, 2025 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. |
| 28 | Derivative | Restricted Stock Unit-8 | 2026-08-20 | M | D | 3,880 | $0.00 | 3,884 | D | $0.00 · — to — | 3,880 Common Stock | (F10) Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting. (F21) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested 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. (F21) Six and one-quarter percent (6.25%) of the restricted stock units awarded vested 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. |