[Form 4] Arista Networks, Inc. Insider Trading Activity
Rhea-AI Filing Summary
Arista Networks CEO Jayshree Ullal reported family-trust stock sales in Arista Networks, Inc. common shares. Family trusts associated with Ullal sold an aggregate of 93,861 shares in 12 open-market transactions on April 21, 2026 at prices generally around the high-$160s per share, under a pre-arranged Rule 10b5-1 trading plan adopted on November 14, 2025.
The filing notes that several trusts are for the benefit of Ullal’s children and other relatives, where she serves as trustee or co-trustee and disclaims beneficial ownership of certain holdings. After these sales, one family trust still held 17,789,936 shares, child-related trusts held 5,282,768 shares each, niece and nephew trusts held 30,000 shares each, and Ullal held 9,917 shares directly.
Positive
- None.
Negative
- None.
Insights
Family trusts linked to Arista’s CEO sold pre-planned shares but retain very large positions.
The transactions show family trusts associated with Arista Networks CEO Jayshree Ullal selling 93,861 common shares in open-market trades. All reported sales occurred on April 21, 2026 under a Rule 10b5-1 trading plan adopted on November 14, 2025, indicating the sales were pre-scheduled.
Footnotes state that several trusts benefit Ullal’s children and other relatives, with Ullal acting as trustee or co-trustee and disclaiming beneficial ownership of some shares. Post-transaction, trusts still held large stakes, including 17,789,936 shares in one family trust and 5,282,768 shares in each child trust, while Ullal held 9,917 shares directly, suggesting the reported sales represent a small portion of the overall holdings.
Insider Trade Summary 10b5-1
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Common Stock | 4,519 | $167.6403 | $758K |
| Sale | Common Stock | 7,862 | $168.8887 | $1.33M |
| Sale | Common Stock | 1,480 | $169.4654 | $251K |
| Sale | Common Stock | 219 | $170.5066 | $37K |
| Sale | Common Stock | 4,519 | $167.6403 | $758K |
| Sale | Common Stock | 7,862 | $168.8887 | $1.33M |
| Sale | Common Stock | 1,480 | $169.4654 | $251K |
| Sale | Common Stock | 219 | $170.5066 | $37K |
| Sale | Common Stock | 21,090 | $167.6403 | $3.54M |
| Sale | Common Stock | 36,685 | $168.8887 | $6.20M |
| Sale | Common Stock | 6,906 | $169.4654 | $1.17M |
| Sale | Common Stock | 1,020 | $170.5066 | $174K |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
Footnotes (1)
- 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $167.22 to $168.18, 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. 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $168.26 to $169.255, 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.28 to $169.98, 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $170.50 to $170.51, 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. 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. These shares are held by a family trust for which the reporting person is co-trustee. These shares are held in trust for the benefit of relatives 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.
