STOCK TITAN

Arista Networks Form 4 Filings

ANET NYSE

Every Form 4 that Arista Networks (ANET) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.

A Form 4 covers the transactions officers, directors and large holders report, so if you follow ANET and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full ANET filings page.

Rhea-AI Summary

Arista Networks, Inc. CEO and Chairperson Jayshree Ullal reported that trusts for her children and a family trust for which she is co-trustee sold 158,543 common shares on October 8 and 9, 2026. The reported weighted-average prices were $217.0483 on October 8 and $217.0958 on October 9. The sales were made under a Rule 10b5-1 trading plan adopted by Ullal on November 14, 2025, for the benefit of relatives. For the child-benefit trusts, Ullal shared voting and investment control and disclaimed beneficial ownership.

Rhea-AI Summary

Three trusts associated with Arista Networks, Inc. (ANET) CEO and Chairperson Jayshree Ullal reported sales on October 7, 2026: 13,860 shares from each of two trusts benefiting her children and 69,272 shares from a family trust. Ullal serves as trustee for the child-benefit trusts and co-trustee of the family trust; she shares voting and investment control over the child-trust shares while disclaiming beneficial ownership of them.

The reported weighted average sale price was $217.1408 per share, with individual transaction prices ranging from $217.00 to $217.18. The sales were made pursuant to Rule 10b5-1 trading plans entered into or adopted on November 14, 2025. Reported post-sale holdings were 4,797,347 shares for each child-benefit trust and 15,545,738 shares for the family trust.

Rhea-AI Summary

Arista Networks, Inc. CEO and Chairperson Jayshree Ullal reported sales of 460,374 common shares held by trusts for relatives on October 6, 2026. The sales were made under a Rule 10b5-1 trading plan adopted November 14, 2025. Reported weighted-average prices were $211.3602, $212.2662 and $213.0637 per share, corresponding to transaction-price ranges of $211.00–$211.99, $212.03–$213.025 and $213.03–$213.22, inclusive.

Rhea-AI Summary

Arista Networks, Inc. (ANET) Senior Vice President, CFO Chantelle Yvette Breithaupt sold 1,224 shares of common stock at $215 per share on October 6, 2026, pursuant to a Rule 10b5-1 trading plan. The plan was entered into December 11, 2025, and modified June 2, 2026.

Rhea-AI Summary

Arista Networks, Inc. director Mark B. Templeton sold 5,000 shares of common stock on October 1, 2026, in five reported transactions. The sales were made under a Rule 10b5-1 trading plan entered into on June 9, 2026; their weighted-average prices were $201.6243, $202.8980, $204.4450, $205.5758 and $206.0300 per share. The filing also lists 75,200 shares held in a trust for which his spouse serves as trustee.

Rhea-AI Summary

Arista Networks, Inc. (ANET) CEO and Chairperson Jayshree Ullal reported sales of 62,622 common shares held through three trusts on September 25, 2026, at a weighted average price of $211.3957 per share. The two trusts for her children each sold 8,948 shares; a family trust sold 44,726 shares. Following the transactions, each child trust held 4,876,972 shares and the family trust held 15,943,854 shares. The sales were made pursuant to a Rule 10b5-1 trading plan adopted by Ullal on November 14, 2025; the child-trust plan was for the benefit of her relatives. Ullal serves as trustee for the child trusts and shares voting and investment control over those shares while disclaiming beneficial ownership; she is co-trustee of the family trust.

Rhea-AI Summary

Arista Networks, Inc. President and CTO Kenneth Duda exercised options for 17,333 shares on September 21, 2026, at $14.1463 per share; the option position then represented 138,668 shares. That day, 43,333 common shares were sold from his direct holdings and through a child’s trust and a 501(c) Foundation, at reported weighted-average prices of $201.7000, $202.6575, $203.4866, $204.7833 and $205.4950. The exercise and sales were under Rule 10b5-1 plans entered into March 11, 2026.

Rhea-AI Summary

Arista Networks, Inc. (ANET) reported that ten percent owner Andreas Bechtolsheim filed to disclose multiple indirect sales of common stock on September 17, 2026. A family trust for which he is trustee sold an aggregate 300,000 shares in 12 open-market transactions at weighted average prices ranging from the low $190s to low $200s per share. The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on February 20, 2026, and the shares are held by a family trust.

Rhea-AI Summary

Arista Networks, Inc. (ANET) insider Kenneth Duda, President and CTO, reported non-market restructurings of indirect holdings in Common Stock on September 10, 2026. Two grantor retained annuity trusts each transferred 28,616 shares to a family living trust, and an aggregate 57,232 shares moved into a family trust for which he is co-trustee; all are coded as other acquisitions or dispositions at a stated price of $0.00 per share. The filing also reports post-transaction indirect positions, including 1,186,918 shares held in multiple children’s trusts (with beneficial ownership disclaimed) and 452,400 shares held by a 501(c) foundation, as well as 12,976 shares held directly. No Rule 10b5‑1 trading plan is reported.

Rhea-AI Summary

Arista Networks, Inc. director Mark B. Templeton reported open‑market sales of 5,000 shares of common stock on September 8, 2026, in several tranches at weighted average prices around the high‑$190s per share. The sales were made under a Rule 10b5‑1 trading plan adopted on June 9, 2026. In addition, 75,200 shares of Arista stock are reported as held indirectly in a trust for which his spouse serves as trustee.

Rhea-AI Summary

Arista Networks, Inc. (ANET) reports that President and CTO Kenneth Duda restructured indirect holdings of Common Stock on September 8, 2026. An aggregate of 200,000 shares was transferred from a family trust into two Grantor Retained Annuity Trusts (one for him and one for his spouse), and the family trust’s position was reduced by the same amount. These are non-market, no‑price transactions among related trusts, and no Rule 10b5‑1 trading plan is reported. Following these changes, Duda continues to hold shares directly and indirectly through multiple trusts and a charitable foundation, and he disclaims beneficial ownership of shares held in trusts for his children.

Rhea-AI Summary

Arista Networks, Inc. (ANET) reported that Senior Vice President and CFO Chantelle Yvette Breithaupt sold 612 shares of common stock on September 1, 2026 at $195.77 per share. After this sale, she held 69,921 shares directly. The transaction was effected under a Rule 10b5-1 trading plan entered into on December 11, 2025 and modified on June 2, 2026.

Rhea-AI Summary

For Arista Networks, Inc. (ANET), President and CTO Kenneth Duda reported a series of code J restructuring transactions on August 28, 2026, reallocating 548,140 shares of common stock among various family-related trusts and entities. These include transfers from annuity trusts to a Children's Trust and a family trust, and between GRATs and a living trust, all at a reported price of $0.00 per share. Many of the indirectly held shares are in trusts or a 501(c) foundation where Duda or his spouse act as trustee, with footnotes stating shared control and, for certain children’s trusts, a disclaimer of beneficial ownership.

Rhea-AI Summary

Arista Networks, Inc. (ANET) insider Andreas Bechtolsheim, a more-than-10% owner, reported indirect sales of 300,000 shares of common stock on August 27, 2026. The shares were sold by a family trust for which he is trustee, in seven open-market transactions at weighted average prices between $199.906 and $205.4503 per share, pursuant to a Rule 10b5-1 trading plan entered into on February 20, 2026.

Rhea-AI Summary

Arista Networks, Inc. (ANET) reported that CEO and Chairperson Jayshree Ullal sold a total of 13,809 shares of common stock on August 25, 2026 in three open-market transactions at weighted average prices of $191.1012, $191.9859, and $192.6375. The prices in each tranche reflect multiple trades within disclosed ranges between $190.51 and $192.85. The sales were made pursuant to a Rule 10b5-1 trading plan adopted on November 14, 2025. Ullal also reports indirect holdings through several trusts for children and relatives, for which she shares voting and investment control and disclaims beneficial ownership of certain trust-held shares, along with holdings by a family trust where she is co-trustee.

Rhea-AI Summary

Arista Networks, Inc. (ANET) director Kelly Bodnar Battles reported selling a total of 422 shares of Arista common stock on August 21, 2026 in five open-market transactions under a Rule 10b5-1 trading plan entered into on June 10, 2025. The reported weighted-average sale prices for each transaction ranged from about $184.77 to $188.69 per share, based on multiple trades within overall price ranges between $184.12 and $189.24.

Rhea-AI Summary

Arista Networks, Inc. (ANET) reported insider equity activity by CEO and Chairperson Jayshree Ullal. On 2026-08-20, a performance-based restricted stock unit award covering 27,664 shares of common stock vested and was exercised into common shares at a $0.00 exercise price. Of the resulting shares, 13,855 shares of common stock were withheld to satisfy tax withholding obligations at a price of $186.45 per share. The RSU position labeled "Restricted Stock Unit-8" shows 55,332 units remaining after the transaction. Additional indirect holdings are reported in multiple trusts for children and other relatives, where Ullal serves as trustee or co-trustee and in some cases disclaims beneficial ownership, as well as in a family trust.

Rhea-AI Summary

Arista Networks, Inc. (ANET) President and COO Todd Nightingale reported multiple equity compensation events on August 20, 2026. He exercised or converted 116,515 restricted stock units (RSUs) into common stock and received a new RSU grant covering 10,360 shares, which was also converted into common stock the same day. To cover tax withholding on these RSU vestings, 63,540 shares of common stock were withheld at $186.45 per share. Following the main RSU conversion, he held 349,545 RSUs from that award. The filing notes that 25% of the RSUs from that award will vest on August 20, 2026, with additional quarterly vesting thereafter, and that the 10,360-share performance award was granted in the second quarter of 2025 and vested on February 20, 2026 based on achievement of performance conditions.

Rhea-AI Summary

Arista Networks, Inc. (ANET) reported insider transactions by President and CTO Kenneth Duda involving option and restricted stock unit conversions and related share sales on August 20, 2026. Duda exercised derivatives for 52,507 shares of common stock and, in a series of open-market transactions (including through a children's trust and a 501(c) foundation), sold 43,333 shares at weighted-average prices around the mid‑$180s per share. A family trust withheld 15,541 shares to satisfy tax obligations upon RSU vesting. The filing also shows indirect holdings after these events of 757,755 shares held by GRAT JD and 756,272 shares held by GRAT KD. The option exercises and many sales were effected under Rule 10b5-1 trading plans entered into on March 11, 2026.

Rhea-AI Summary

Arista Networks, Inc. (ANET) reported that Senior Vice President and CFO Chantelle Yvette Breithaupt had restricted stock units vest on August 20, 2026, converting 10,920 and 1,350 RSUs into an equal number of common shares at a $0.00 exercise price. In connection with this vesting, 6,145 common shares were withheld at $186.45 per share to satisfy tax withholding obligations. After these events, she continues to hold 65,504 and 17,550 RSUs from the two awards, which vest in specified quarterly installments.

Rhea-AI Summary

Arista Networks, Inc. (ANET) director Yvonne Wassenaar reported the exercise of 538 Restricted Stock Units into 538 shares of Common Stock on August 20, 2026. The RSU award represents a contingent right to receive one share of Common Stock per unit upon vesting. Following the transaction, she directly holds 10,322 shares of Common Stock and 1,615 RSUs. The RSUs were granted on May 29, 2026 and vest quarterly, with one-quarter (including these 538 units) vesting on August 20, 2026 and additional portions vesting on specified quarterly vest dates thereafter.

Rhea-AI Summary

Arista Networks, Inc. (ANET) director Mark B. Templeton reported the vesting and settlement of restricted stock units into common shares. On August 20, 2026, 538 RSUs converted into 538 shares of common stock at a stated exercise price of $0.00 per share. Following the transaction, he directly owns 58,410 common shares and has 1,615 RSUs outstanding. In addition, 75,200 common shares are held indirectly in a trust for which his spouse serves as trustee.

Rhea-AI Summary

Arista Networks, Inc. (ANET) director Daniel Scheinman reported vesting of restricted stock units and the related issuance of common shares. On August 20, 2026, 538 RSUs converted into 538 shares of Common Stock, leaving 1,615 RSUs outstanding and increasing his directly held common shares to 158,730. The RSUs were granted on May 29, 2026, with one-quarter vesting on August 20, 2026 and additional tranches vesting on future quarterly vest dates.

Rhea-AI Summary

Arista Networks, Inc. (ANET) director Robert G. Lavender reported the vesting and settlement of restricted stock units into common shares. On August 20, 2026, 538 Restricted Stock Units were exercised for 538 shares of common stock at $0.00 per share. Following these transactions, he held 4,607 shares of common stock and 1,615 Restricted Stock Units directly. The RSUs were granted on May 29, 2026, with 1/4 of the shares vesting on August 20, 2026 and additional tranches vesting on specified quarterly vest dates thereafter.

Rhea-AI Summary

Arista Networks, Inc. (ANET) director Charles H. Giancarlo reported the vesting and settlement of 538 Restricted Stock Units into 538 shares of Common Stock on August 20, 2026. The RSU award was granted on May 29, 2026, with one-quarter vesting on August 20, 2026 and additional tranches vesting on quarterly vest dates thereafter.

After these transactions, Giancarlo holds 1,509 shares of Arista Common Stock directly and 184,333 shares indirectly through a family trust for which he is co‑trustee.

Rhea-AI Summary

Arista Networks, Inc. (ANET) reported a Form 4 for director Lewis Chew showing the vesting and conversion of restricted stock units into common stock. On August 20, 2026, 538 RSUs (each representing a contingent right to one share of common stock) were exercised and converted into 538 shares of common stock at a $0.00 exercise price. Following this transaction, Chew directly held 31,770 shares of Arista common stock and 1,615 RSUs. The RSUs were granted on May 29, 2026, with one quarter of the shares vesting on August 20, 2026 and the remainder scheduled to vest on subsequent quarterly vest dates.

Rhea-AI Summary

Arista Networks, Inc. (ANET) director Kelly Bodnar Battles reported the vesting and settlement of restricted stock units. On August 20, 2026, 538 RSUs were exercised/converted into 538 shares of Common Stock at $0.00 per share. After these transactions, she holds 10,616 Common shares and 1,615 RSUs directly. The RSUs were granted on May 29, 2026, with 1/4 vesting on August 20, 2026 and additional tranches vesting on specified quarterly vest dates.

Rhea-AI Summary

Arista Networks, Inc. reported that trusts associated with CEO and Chairperson Jayshree Ullal sold an aggregate of 573,509 shares of common stock on August 12, 2026. The indirect sales were made by multiple family-related trusts, at weighted average prices between $207.00 and $211.37 per share, pursuant to a Rule 10b5-1 trading plan adopted on November 14, 2025. Certain footnoted trusts hold shares for the benefit of the reporting person’s children and other relatives, where she shares voting and investment control but disclaims beneficial ownership, while another family trust lists her as co-trustee. Following these transactions, Ullal also reports 9,917 shares held directly.

Rhea-AI Summary

Arista Networks, Inc. major shareholder Andreas Bechtolsheim reported multiple open-market sales of common stock on August 6, 2026. He sold a total of 411,848 shares in 16 transactions at weighted average prices roughly between $189.44 and $196.93, some directly and some through a family trust. These sales were effected pursuant to a Rule 10b5-1 trading plan entered into on February 20, 2026.

Rhea-AI Summary

Arista Networks, Inc. reported that on August 5, 2026, a family trust for which reporting person and 10% owner Andreas Bechtolsheim serves as trustee sold an aggregate of 300,000 shares of common stock in multiple open-market, weighted-average transactions under a Rule 10b5-1 trading plan entered on February 20, 2026. Following these sales, Bechtolsheim held 111,848 shares of Arista Networks common stock directly.

Rhea-AI Summary

A family trust for which Arista Networks, Inc. CEO and Chairperson Jayshree Ullal is co‑trustee reported sales of 767,029 shares of Arista Networks common stock on August 5, 2026, in multiple transactions. The sales were executed under a Rule 10b5‑1 trading plan adopted on November 14, 2025. One tranche included 369,569 shares at a weighted average price of $201.2927 per share. Following these transactions, Ullal directly holds 9,917 Arista Networks shares.

Rhea-AI Summary

Arista Networks, Inc. reported that trusts for relatives of CEO and Chairperson Jayshree Ullal sold 1,032 shares of common stock on August 5, 2026. These indirect sales, executed in multiple open-market trades at weighted average prices between $197.00 and $212.8875 per share, were made pursuant to a Rule 10b5-1 trading plan entered on November 14, 2025 for the benefit of relatives. The shares are held in trusts where Ullal serves as co-trustee, shares voting and investment control, and disclaims beneficial ownership.

Rhea-AI Summary

Trusts established for the benefit of the children of Arista Networks, Inc. CEO and Chairperson Jayshree Ullal sold a total of 331,434 shares of the company’s common stock on August 5, 2026 in 30 sale transactions at weighted-average prices between $197.00 and $212.8875 per share, pursuant to a Rule 10b5-1 trading plan entered on November 14, 2025 for the benefit of her relatives. The shares are held in trusts for her children, over which she shares voting and investment control but disclaims beneficial ownership.

Rhea-AI Summary

At Arista Networks, Inc., a director, through a family trust for which the director is co-trustee, sold 8,000 shares of common stock on August 3, 2026 in multiple open-market transactions, at weighted-average prices ranging from about $174 to $186 per share.

These sales were effected under a Rule 10b5-1 trading plan entered on June 12, 2025. Following these transactions, the director also holds 971 shares of common stock directly.

Rhea-AI Summary

Arista Networks, Inc. president and CTO Kenneth Duda reported exercising 17,333 stock options at $15.2769 per share and, on the same date, Rule 10b5-1 plan trades that sold 43,333 common shares across direct holdings, a children’s trust and a 501(c) foundation. Following the option exercise, 13,334 options under that grant remained outstanding, and additional entries show large indirect positions held in annuity and family trusts, with a children’s trust position reported where he shares voting and investment control but disclaims beneficial ownership.

Rhea-AI Summary

A family trust for Andreas Bechtolsheim, a more than 10% owner of Arista Networks, Inc., sold 300,000 shares of common stock on July 14, 2026 in ten open-market transactions at weighted-average prices between $175.69 and $185.4375 per share pursuant to a Rule 10b5-1 trading plan entered on February 20, 2026.

After these sales, Bechtolsheim holds 111,848.0000 shares directly and 182,016,283.0000 shares indirectly through the family trust.

Rhea-AI Summary

Arista Networks, Inc. CEO and Chairperson Jayshree Ullal reported indirect open-market sales totaling 234,578 shares of Common Stock on July 10, 2026 at a weighted average price of $187.1756 per share. The shares were sold by family trusts for her children and other relatives, where she serves as trustee or co-trustee and in some cases disclaims beneficial ownership, under a Rule 10b5-1 trading plan adopted on November 14, 2025. Following the transactions, one family trust held 17,155,010 shares and each of two children’s trusts held 5,134,207 shares, with additional smaller positions of 30,000-share trusts for a niece and nephew and 9,917 shares held directly.

Rhea-AI Summary

Family and relatives’ trusts associated with Arista Networks, Inc. CEO and Chairperson Jayshree Ullal sold an aggregate of 242,422 shares of common stock on July 9, 2026 in open-market transactions at weighted average prices including $189.1767 per share, under a Rule 10b5-1 trading plan adopted on November 14, 2025. The shares are held in various trusts for the benefit of relatives and children, where Ullal serves as trustee or co-trustee and in several cases disclaims beneficial ownership, and substantial indirect trust holdings, including 17,429,659 and 5,197,202 shares, remain after these sales.

Rhea-AI Summary

Arista Networks, Inc. insider Andreas Bechtolsheim reported a series of open-market sales of common stock executed on July 2, 2026 through a family trust for which he serves as trustee. The trust sold an aggregate of 240,000 shares in multiple transactions at weighted-average prices within ranges from $156.73 to $167.58 per share, as detailed in footnotes. Following these sales, Bechtolsheim held 111,848 shares directly and the family trust held 182,043,048 shares of Arista Networks common stock.

The transactions were carried out pursuant to a Rule 10b5-1 trading plan that Bechtolsheim entered into on February 20, 2026, indicating the sales were pre-arranged under a preset trading program rather than discretionary same-day decisions.

Rhea-AI Summary

Arista Networks, Inc. insider activity: Ten percent owner Andreas Bechtolsheim reported net open-market sales of 260,000 shares of Arista Networks common stock on July 1, 2026. The sales were executed in multiple tranches at weighted average prices generally in the mid‑$160 range, including $169.5755 per share in one block.

According to the filing, these transactions were carried out under a pre-arranged Rule 10b5-1 trading plan entered into on February 20, 2026. After the reported transactions, Bechtolsheim holds 182,283,048 shares indirectly through a family trust and 111,848 shares directly.

Rhea-AI Summary

Arista Networks, Inc. director Charles H. Giancarlo reported that a family trust for which he is co-trustee sold 8,000 shares of Arista common stock on July 1, 2026 in a series of open-market transactions under a pre-arranged Rule 10b5-1 trading plan. Sale prices for the individual trades, reported as weighted averages, ranged across multiple levels, including $170.0306 and $163.9981 per share. Following these transactions, the filing shows the trust holding 192,333 shares indirectly, while Giancarlo also holds 971 shares directly.

Rhea-AI Summary

Arista Networks, Inc. President and CTO Kenneth Duda reported an option exercise and updated share holdings. He exercised a Non-Qualified Stock Option to acquire 17,333 shares of common stock at an exercise price of $15.2769 per share, characterized as a derivative exercise rather than an open-market purchase. The filing also shows 106,890 shares of common stock held indirectly by a family trust for which he is co-trustee. The option activity was carried out under a Rule 10b5-1 trading plan, indicating it was pre-scheduled rather than a discretionary market-timed trade.

Rhea-AI Summary

Arista Networks, Inc. president and CTO Kenneth Duda reported insider transactions involving sales and an option exercise in Arista common stock. On June 22, 2026, entities associated with him had net open-market sales of 43,333 shares, recorded at weighted-average prices generally between about $167 and $175 per share under Rule 10b5-1 trading plans.

Most sales were made by a 501(c) foundation for which Duda and his spouse serve as co-trustees and by children’s trusts where he is co-trustee and disclaims beneficial ownership of the shares. Duda also exercised a derivative security to acquire 17,333 shares at $15.2769 per share and now holds 12,976 shares directly, with additional indirect holdings through GRATs, the foundation and the children’s trusts.

Rhea-AI Summary

Arista Networks, Inc. major shareholder Andreas Bechtolsheim reported open-market sales of 260,000 shares of common stock on June 15, 2026 through a family trust. The shares were sold in multiple transactions at weighted average prices ranging from about $163.51 to $169.165 per share under a pre-arranged Rule 10b5-1 trading plan entered into on February 20, 2026. After these transactions, the filing shows 111,848 shares held directly and 182,543,048 shares held indirectly by the family trust for which he serves as trustee.

Rhea-AI Summary

Arista Networks, Inc. President and CTO Kenneth Duda reported internal restructuring of his indirect holdings in company common stock. The Form 4 shows two non-market "J" code transactions totaling 44,392 shares each, moved among family-related trusts and grantor retained annuity trusts at a price of $0.00 per share, reflecting entity transfers rather than open-market trading. After these changes, he reports indirect holdings that include 757,755 shares held by a GRAT in his name, 756,272 shares held by a separate GRAT, 482,400 shares held by a 501(c) foundation where he and his spouse are co-trustees, and 1,063,168 shares held in a children’s trust where he disclaims beneficial ownership. He also reports 12,976 shares held directly and 106,890 shares held by a family trust for which he is co-trustee.

Rhea-AI Summary

Arista Networks President and CTO Kenneth Duda reported internal trust-related movements of Arista Networks common stock, with no open-market buying or selling. Two transactions labeled code J reclassified 45,875 shares from a grantor retained annuity trust (GRAT) to related trusts at a stated price of $0.00 per share.

After these changes, indirect holdings include 756,272 shares held by a GRAT, 62,498 shares held by a family trust, 1,063,168 shares held by a children’s trust, 802,147 shares held by another GRAT, and 482,400 shares held by a 501(c) foundation. He also reports 12,976 shares held directly. Several trusts list him or his spouse as trustee or co-trustee, and one children’s trust position is reported with a disclaimer of beneficial ownership.

Rhea-AI Summary

Arista Networks, Inc. ten percent owner Andreas Bechtolsheim reported open-market sales of 220,000 shares of common stock on June 5, 2026. The shares were sold in multiple transactions at weighted average prices generally ranging from about $152 to $161 per share, pursuant to a Rule 10b5-1 trading plan entered into on February 20, 2026.

Following these sales, Bechtolsheim holds 323,849 shares of Arista Networks common stock directly and an additional 182,803,048 shares indirectly through a family trust for which he is a trustee, indicating that the transactions represent a small portion of his overall ownership.

Rhea-AI Summary

Arista Networks, Inc. insider activity centers on pre-planned option exercises and share sales. Ten percent owner Andreas Bechtolsheim exercised options for a total of 158,000 shares of common stock at exercise prices of $14.1463 and $15.2625 per share. On the same date, he sold 240,000 shares of Arista common stock in open-market transactions at weighted average prices within ranges from $157.545 to $167.745 per share, executed under a Rule 10b5-1 trading plan entered into on February 20, 2026. A family trust for which he serves as trustee holds 182,803,048 shares of Arista common stock indirectly, and he continues to hold additional shares directly after these transactions.

Rhea-AI Summary

Arista Networks, Inc. director Charles H. Giancarlo reported a series of open-market sales of 8,000 shares of common stock on June 1, 2026 by a family trust for which he is co-trustee. The shares were sold at weighted average prices within ranges from $162.08 to $172.28 per share under a pre-arranged Rule 10b5-1 trading plan. Following these transactions, he reports holding 971 shares directly and 200,333 shares indirectly through the trust.

Rhea-AI Summary

Battles Kelly Bodnar reported acquisition or exercise transactions in this Form 4 filing.

Arista Networks, Inc. director Kelly Bodnar Battles received a grant of 2,153 restricted stock units (RSUs) tied to the company’s common stock. Each RSU represents one share upon vesting. One-quarter of the RSUs vest on August 20, 2026, with the remaining units vesting in equal installments on each quarterly vest date thereafter, defined as the first market trading day on or after February 20, May 20, August 20, or November 20. Following this grant, Battles holds 2,153 RSUs directly.