Arista Networks Inc SEC Filings

Jayshree Ullal, CEO, Chairperson and director of Arista Networks (ANET), reported multiple sales of Arista common stock on 09/05/2025 pursuant to a Rule 10b5-1 trading plan adopted December 13, 2024. The Form 4 lists several block sales executed at weighted-average prices in three ranges: $143.00–$143.9966, $144.00–$144.9998 and $145.00–$145.3851. Specific reported dispositions include lots of 33,010; 24,122; 3,413; 173,204; 126,563; and 17,907 shares, among others, with post-transaction beneficial ownership figures shown for related trusts (examples: 5,590,711; 5,566,589; 20,335,778; 20,209,215). Many shares are held in trusts for the reporting person’s children, relatives or family trusts where Ullal serves as trustee or co-trustee and disclaims beneficial ownership. The filing was signed by an attorney-in-fact on behalf of Ullal on 09/09/2025.

Arista Networks (ANET) filed a Form 144 notifying a proposed sale of common stock. The filing shows 240,521 shares expected to be sold through J.P. Morgan Securities LLC on 09/05/2025, with an aggregate market value of $34,666,292 and 1,256,865,381 shares outstanding. The shares were acquired by stock option exercise on 01/01/2013 and payment is recorded as NA. The filing lists numerous sales by related trusts and individuals during the past three months, with multiple transactions and gross proceeds reported. The filer certifies no undisclosed material adverse information.

Arista Networks (ANET) Form 144 notice: The filer intends to sell 240,521 shares of common stock with an aggregate market value of $34,666,292. The reported number of shares outstanding is 1,256,865,381 and the approximate sale date is 09/05/2025 on the NYSE. The shares to be sold were acquired on 01/01/2013 through a stock option exercise, with payment recorded on the same date. The filing lists numerous prior sales by related trusts, family members, and Jayshree Ullal over the past three months, each showing sale dates, amounts sold, and gross proceeds.

Form 144 filed for Arista Networks (ANET) reporting a proposed sale of securities by persons related to the issuer. The filing names J.P. Morgan Securities LLC as the broker and lists 1,261,958 shares of common stock to be sold with an aggregate market value of $181,886,007. The company’s total shares outstanding is reported as 1,256,865,381, and the approximate sale date is 09/05/2025 on the NYSE. The securities proposed for sale were acquired principally through a stock option exercise on 01/01/2013 (1,015,014 shares) and restricted stock units on 02/21/2017 (246,944 shares). The filing also discloses numerous related-party sales during the past three months by trusts and individuals at 5453 Great America Parkway, Santa Clara, CA, with transaction dates and gross proceeds itemized in the notice.

Arista Networks director and CTO Kenneth Duda reported multiple non‑derivative transactions on Form 4 dated 08/29/2025, disclosing transfers among related trusts and entities. The filing shows 125,930 shares were acquired into a family trust aggregation (125,930 A) and multiple dispositions of 62,965 and 12,976 share line items, with a total beneficial ownership reported as 687,035 shares via a family trust and additional holdings: 1,207,168 shares by a children’s trust and 572,400 shares held by a 501(c) foundation.

The explanations state these transfers originated from GRATs (grantor retained annuity trusts) of the reporting person and spouse, with the reporting person or spouse acting as trustees or co‑trustees. Transactions are reported at $0.0 price, indicating transfers rather than open‑market purchases or sales. The form is signed by an attorney‑in‑fact on behalf of Mr. Duda.

Jayshree Ullal, CEO and Chairperson of Arista Networks (ANET), reported multiple open-market sales of her company stock on 08/25/2025 executed under a Rule 10b5-1 trading plan adopted December 13, 2024. The Form 4 lists four aggregated sale blocks totaling 24,040 shares sold at weighted-average prices ranging approximately from $130.49 to $133.72, with the reported direct beneficial ownership following those transactions shown as 9,917 shares. The filing also discloses substantial indirect holdings held in trusts: 5,623,721 shares for two child trusts, 30,000 each for a nephew and niece trust, and 20,508,982 shares held by a family trust for which she is co-trustee.

Arista Networks (ANET) Form 144 notifies a proposed sale of 24,040 common shares through J.P. Morgan Securities with an aggregate market value of $1,191,637, targeted for 08/25/2025 on the NYSE. The shares were acquired on 08/20/2025 as a restricted stock award from the issuer and were paid for on the acquisition date. The filing also lists extensive insider and related-trust sales during the prior three months by multiple Ullal- and Nagpal-related trusts and individuals, including large block sales reported on dates such as 08/06/2025 and 07/31/2025.

Arista Networks director and CEO Jayshree Ullal reported multiple equity transactions tied to vested performance-based restricted stock units and trusts. On 08/20/2025 she acquired 20,592 and 27,664 shares through vesting of restricted stock units, and an additional vesting-related disposition of 24,216 shares was reported at an effective price of $132.78 related to tax withholding. After these transactions her direct beneficially owned common shares total 33,957 and 165,980 in separate line items; she also holds substantial indirect holdings through family trusts.

The filing clarifies that certain shares are held in trusts for children, relatives, and a family trust for which she is co-trustee, and that some restricted awards vest on scheduled quarterly dates tied to prior performance awards.