ANET insider sales: CEO Ullal disposes of shares under 10b5-1 plan
Rhea-AI Filing Summary
Jayshree Ullal, who serves as CEO and Chairperson of Arista Networks (ANET), reported multiple sales of Arista common stock executed on 08/08/2025 under a Rule 10b5-1 trading plan established on December 13, 2024. The filing lists sales of 26,625 shares (two separate lines) and 139,729 shares at a weighted average price of $139.6707, with transaction prices ranging from $139.50 to $140.00.
The Form 4 shows large amounts of stock held in trusts for family beneficiaries: trusts for two children are listed with 5,623,721 shares each on related lines and a family trust with 20,508,982 shares; the reporting person is trustee or co-trustee, shares voting and investment control for those trusts, but disclaims beneficial ownership. Smaller trust allocations of 30,000 shares are reported for a nephew and a niece. The sales were executed pursuant to the pre-established Rule 10b5-1 plan disclosed in the filing.
Positive
- Sales were executed under a documented Rule 10b5-1 trading plan, which provides an affirmative defense and increases procedural transparency.
- Filing discloses trust arrangements and the reporting person’s trustee role, including explicit statements that the reporting person disclaims beneficial ownership for those trust-held shares.
Negative
- Significant insider sales reported (multiple lots including a 139,729-share block) which may be viewed as material by some investors given the reporting person’s executive role.
Insights
TL;DR: Insider sales were executed under a pre-established Rule 10b5-1 plan and involve trusts where the reporting person serves as trustee.
The Form 4 documents planned sales by the CEO and Chair performed under a 10b5-1 trading plan established in December 2024, showing a weighted average sale price of $139.6707 and a reported price range of $139.50–$140.00. Because transactions were made pursuant to a documented plan and many shares are held in family trusts where the reporting person disclaims beneficial ownership, this filing is consistent with routine, pre-arranged liquidity actions rather than opportunistic trading. Documentation and disclosure are clear; ongoing monitoring of scheduled-plan disclosures is appropriate.
TL;DR: Reported sales total multiple lots including a 139,729-share block; large trust holdings remain concentrated in family trusts.
The filing reports discrete sales (26,625; 26,625; and 139,729 shares) executed at a weighted average of $139.6707. The disclosure also shows very large trust positions (e.g., 20,508,982 and 5,623,721 shares on relevant lines), with the reporting person acting as trustee or co-trustee and disclaiming beneficial ownership. From a market-impact perspective, the disclosed transactions are explicit and executed under a defensive plan, suggesting limited incremental governance concern, while the large trust holdings remain material to ownership structure.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Common Stock | 26,625 | $139.6707 | $3.72M |
| Sale | Common Stock | 26,625 | $139.6707 | $3.72M |
| Sale | Common Stock | 139,729 | $139.6707 | $19.52M |
| 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 December 13, 2024. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.50 to $140.00, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. 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 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 December 13, 2024. 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.
