Form 4 for ANET Arista Networks
Accepted 2026-01-22 00:00:00 ET · period of report 2026-01-20 · accession 0001596532-26-000005 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMI | 2026-01-22 | 2026-01-20 | ANET | Duda Kenneth | Pres, CTO, Dir | S - Sale+OE | $128.43 | -26.0K | 522.4K | -5% | -$3.34M |
| DM | 2026-01-22 | 2026-01-20 | ANET | Duda Kenneth | Pres, CTO, Dir | S - Sale+OE | $128.43 | -30.0K | 26.1K | -53% | -$3.85M |
| D | 2026-01-22 | 2026-01-20 | ANET | Duda Kenneth | Pres, CTO, Dir | M - OptEx | $3.52 | +30.0K | 43.0K | +231% | +$105.6K |
| D | 2026-01-22 | 2026-01-20 | ANET | Duda Kenneth | Pres, CTO, Dir | M - OptEx | $0.00 | -30.0K | 0 | -100% | $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 | 2026-01-20 | S | D | 3,860 | $127.28 | 1,139,308 | I By Foundation | — | — | (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.66 to $127.6528, 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. |
| 2 | Common | Common Stock | 2026-01-20 | S | D | 5,120 | $128.01 | 1,134,188 | I By Foundation | — | — | (F3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.66 to $128.60, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. (F9) These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee. |
| 3 | Common | Common Stock | 2026-01-20 | S | D | 5,736 | $129.25 | 1,128,452 | I By Foundation | — | — | (F4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.66 to $129.6491, 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. |
| 4 | Common | Common Stock | 2026-01-20 | S | D | 1,284 | $129.90 | 1,127,168 | I | — | — | (F5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.66 to $130.29, 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 | 2026-01-20 | S | D | 2,413 | $127.28 | 529,987 | I | — | — | (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.66 to $127.6528, 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 | 2026-01-20 | S | D | 3,200 | $128.01 | 526,787 | I | — | — | (F3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.66 to $128.60, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| 7 | Common | Common Stock | 2026-01-20 | S | D | 3,585 | $129.25 | 523,202 | I | — | — | (F4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.66 to $129.6491, 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. |
| 8 | Common | Common Stock | 2026-01-20 | S | D | 802 | $129.90 | 522,400 | I | — | — | (F5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.66 to $130.29, 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. |
| 9 | Common | Common Stock | 2026-01-20 | S | D | 2,407 | $129.90 | 12,976 | D By Foundation | — | — | (F5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.66 to $130.29, 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. |
| 10 | Common | Common Stock | 2026-01-20 | S | D | 10,756 | $129.25 | 15,383 | D By Childrens' Trust | — | — | (F4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.66 to $129.6491, 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 | 2026-01-20 | M | A | 30,000 | $3.52 | 42,976 | D By Childrens' Trust | — | — | (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. |
| 12 | Common | Common Stock | 2026-01-20 | S | D | 7,237 | $127.28 | 35,739 | D By Childrens' Trust | — | — | (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.66 to $127.6528, 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. |
| 13 | Common | Common Stock | 2026-01-20 | S | D | 9,600 | $128.01 | 26,139 | D By Childrens' Trust | — | — | (F3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.66 to $128.60, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. (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. |
| 14 | Derivative | Non-Qualified Stock Option (right to buy) | 2026-01-20 | M | D | 30,000 | $0.00 | 0 | D | $3.52 · — to 2026-02-11 | 30,000 Common Stock | (F13) 1/60th of the shares subject to the option vested and became exercisable on April 1, 2017 and 1/60th of the shares subject to the option shall vested monthly thereafter. |