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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

CHEW LEWIS reported acquisition or exercise transactions in this Form 4 filing.

Arista Networks director Lewis Chew received a grant of 2,153 restricted stock units (RSUs) of Arista Networks, Inc. Common Stock. Each RSU represents a contingent right to receive one share upon vesting. The grant was made on May 29, 2026.

One quarter of the RSUs vest on August 20, 2026, with the remaining units vesting at the same rate on each quarterly vest date thereafter. Quarterly vest dates are defined as the first market trading day on or after February 20, May 20, August 20, or November 20. Following this award, Chew holds 2,153 RSUs directly.

Rhea-AI Summary

Giancarlo Charles H reported acquisition or exercise transactions in this Form 4 filing.

Arista Networks director Charles H. Giancarlo received a grant of 2,153 restricted stock units (RSUs) tied to Arista common stock. The RSUs were granted on May 29, 2026 and represent rights to receive an equal number of shares as they vest. One quarter of the award vests on August 20, 2026, with additional portions vesting 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, Giancarlo is reported as holding 2,153 RSUs directly, reflecting a routine, compensation-related equity award rather than an open-market stock purchase or sale.

Rhea-AI Summary

Lavender Robert G reported acquisition or exercise transactions in this Form 4 filing.

Arista Networks director Robert G. Lavender received a grant of 2,153 restricted stock units (RSUs) of common stock as equity compensation. Each RSU represents a right to receive one share upon vesting. One quarter of the RSUs vest on August 20, 2026, with the remainder vesting in equal installments on subsequent quarterly vest dates tied to February 20, May 20, August 20, and November 20. Following this grant, Lavender holds 2,153 RSUs directly.

Rhea-AI Summary

TEMPLETON MARK B reported acquisition or exercise transactions in this Form 4 filing.

Arista Networks director Mark B. Templeton received a grant of 2,153 restricted stock units (RSUs). Each RSU represents a right to receive one share of Arista Networks common stock upon vesting. One quarter of the RSUs vests on August 20, 2026, with additional portions vesting on each subsequent quarterly vest date tied to February 20, May 20, August 20, and November 20.

Rhea-AI Summary

Arista Networks, Inc. director Daniel Scheinman received a grant of 2,153 restricted stock units (RSUs) tied to Arista common stock. Each RSU converts into one share upon vesting. One quarter of the RSUs vest on August 20, 2026, with the remaining units vesting in equal installments on subsequent quarterly vest dates that fall on the first market trading day on or after February 20, May 20, August 20, or November 20.

Rhea-AI Summary

Wassenaar Yvonne reported acquisition or exercise transactions in this Form 4 filing.

Arista Networks director Yvonne Wassenaar received a grant of 2,153 restricted stock units (RSUs) tied to Arista common stock. The RSUs were granted on May 29, 2026 and represent a right to receive one share of common stock for each unit when they vest.

One quarter of the RSUs vest on August 20, 2026, with the remaining units vesting in equal quarterly installments on the first market trading day on or after February 20, May 20, August 20, or November 20 each year, as long as service-based conditions are met.

Rhea-AI Summary

Arista Networks CEO and Chairperson Jayshree Ullal reported open-market sales of 13,809 shares of common stock pursuant to a Rule 10b5-1 trading plan. The sales on May 26, 2026 were executed at weighted average prices around the mid-$150s per share across multiple transactions.

Separate from these sales, she reports large indirect holdings through various trusts, including 17,482,010 shares held by a family trust and additional trusts holding 5,209,207 shares for each of two children and 30,000 shares for each of two relatives, where she shares voting and investment control and in some cases disclaims beneficial ownership.

Rhea-AI Summary

Arista Networks, Inc. Senior Vice President and CFO Chantelle Yvette Breithaupt sold 2,448 shares of Common Stock in an open-market transaction at $157 per share. The sale was executed under a pre-arranged Rule 10b5-1 trading plan entered into on December 11, 2025. Following this trade, she holds 64,408 shares directly, indicating the transaction represents a relatively small portion of her overall position.

Rhea-AI Summary

Arista Networks, Inc. major shareholder Andreas Bechtolsheim reported open-market sales of 220,000 shares of Common Stock on May 26, 2026. The transactions were executed indirectly through a family trust at prices ranging from $153.90 to $160.095 per share, based on weighted average prices disclosed.

According to the filing, these sales were carried out under a pre-arranged Rule 10b5-1 trading plan entered into by the reporting person on February 20, 2026. After the transactions, the family trust held 182,803,048 shares, while Bechtolsheim also held 413,848 shares directly.

Rhea-AI Summary

Arista Networks, Inc. insider Andreas Bechtolsheim reported open-market sales of 205,000 shares of common stock. The Form 4 shows six sale transactions on May 22, 2026, with reported weighted average prices ranging from $149.01 to $154.355 per share.

According to the filing, these trades were effected under a Rule 10b5-1 trading plan entered into on February 20, 2026. The shares sold were held indirectly through a family trust for which he is a trustee. After the transactions, the trust holds 183,023,048 shares indirectly, and he also holds 413,848 shares directly.

Rhea-AI Summary

Arista Networks, Inc. President and CTO Kenneth Duda reported internal reallocations of Arista common stock among family-related entities. The filing shows three "J" code transactions labeled as other acquisitions or dispositions, moving a total of 400,000 shares at a reported price of $0.0000 per share.

Footnotes explain that 200,000 shares were contributed to annuity trusts for Duda and his spouse, with 100,000 shares transferred from a family trust to each GRAT. After these changes, indirect holdings include 802,147 shares in a GRAT of the reporting person, 802,147 shares in a GRAT of the reporting person’s spouse, 482,400 shares held by a 501(c) foundation, and 1,063,168 shares in a children’s trust, while 16,623 shares are held by a family trust and 12,976 shares are held directly.

Rhea-AI Summary

Arista Networks director Kelly Bodnar Battles sold 422 shares of common stock in open‑market trades. The sales occurred on May 21, 2026 at weighted average prices generally between about $140 and $148 per share under a pre‑arranged Rule 10b5‑1 trading plan. Battles continues to hold 10,078 shares directly after these transactions.

Rhea-AI Summary

Arista Networks, Inc. CEO and Chairperson Jayshree Ullal reported routine equity compensation activity involving restricted stock units that vested into common stock. She acquired 27,664 shares of common stock through the exercise of restricted stock units and, on the same date, 13,855 shares were withheld to cover tax obligations, leaving 23,726 shares held directly afterward.

The filing also lists large indirect holdings in various trusts. A family trust associated with Ullal holds 17,482,010 shares. Additional trusts for the benefit of her children and relatives hold several million more shares; she serves as trustee or co‑trustee for these and disclaims beneficial ownership of those trust-held shares.

Rhea-AI Summary

Arista Networks, Inc. President and CTO Kenneth Duda reported the vesting and exercise of restricted stock units into 31,034 shares of Common Stock on May 20, 2026, with shares delivered to family trusts.

An affiliated family trust held 216,623 shares after these transactions. 15,545 shares were withheld at $141.5800 per share to satisfy tax obligations on the RSU vesting. Footnotes describe additional holdings in children’s, charitable and annuity trusts where he serves as trustee or co-trustee.

Rhea-AI Summary

Arista Networks, Inc. Senior Vice President and CFO Chantelle Yvette Breithaupt reported routine equity compensation activity involving restricted stock units that converted into common shares. She exercised derivative awards covering 12,266 shares of common stock, reflecting the vesting of restricted stock units.

To cover tax withholding obligations on this vesting, 6,144 common shares were disposed of at an indicated price of $141.58 per share, a non‑market tax-withholding disposition. Following these transactions, she directly holds 73,000 shares of Arista Networks common stock, with vesting continuing on specified quarterly vest dates.

Rhea-AI Summary

Arista Networks director Yvonne Wassenaar reported an RSU vesting and related share sales. On May 20, 2026, she exercised 971 restricted stock units into 971 shares of Arista Networks, Inc. Common Stock. The same day, she sold 971 shares in four open-market transactions at weighted average prices reported between $139.8920 and $142.6189 per share.

The filing states these exercises and sales were made under a pre-arranged Rule 10b5-1 trading plan adopted on November 21, 2025. Following the transactions, Wassenaar directly holds 9,784 shares of Arista Networks common stock, indicating a routine liquidity event rather than a change in her overall equity stake.

Rhea-AI Summary

Arista Networks director Mark B. Templeton increased his equity stake through RSU vesting and exercise. On May 20, 2026, he exercised restricted stock units that converted into 971 shares of Common Stock at an exercise price of $0.00 per share. Following this transaction, he held 57,872 shares of Arista Networks Common Stock directly and 75,200 shares indirectly through a trust for which his spouse serves as trustee. Each restricted stock unit represents a right to receive one share of Common Stock upon vesting under a quarterly vesting schedule that began on August 20, 2025.

Rhea-AI Summary

Arista Networks, Inc. director Daniel Scheinman reported the settlement of restricted stock units into common shares. On May 20, 2026, 971 RSUs converted into 971 shares of Arista common stock at a stated price of $0.00 per share, reflecting equity compensation rather than an open‑market purchase or sale.

After this RSU conversion, Scheinman directly holds 158,192 shares of Arista common stock. The RSUs were granted on May 30, 2025, with one‑quarter vesting on August 20, 2025 and additional portions vesting on the first trading day on or after February 20, May 20, August 20, and November 20 in subsequent periods.

Rhea-AI Summary

Arista Networks director Robert G. Lavender exercised restricted stock units into common shares. On May 20, 2026, he converted 807 restricted stock units into 807 shares of Arista Networks, Inc. common stock through a derivative exercise.

Following this routine vesting-related transaction, Lavender directly holds 4,069 shares of common stock. The footnotes explain that each restricted stock unit represents a contingent right to receive one share upon vesting and that these RSUs were part of a March 14, 2025 grant that vests in quarterly installments.

Rhea-AI Summary

Arista Networks director Charles H. Giancarlo reported routine equity compensation activity involving restricted stock units (RSUs). On May 20, 2026, RSUs covering 971 shares of Arista Networks common stock were exercised at $0.00 per share, converting into the same number of common shares held directly.

After this transaction, Giancarlo holds 971 common shares directly and 208,333 common shares indirectly through a family trust for which he serves as co‑trustee. A footnote explains that each RSU represents a right to receive one share upon vesting and describes a quarterly vesting schedule beginning in 2025.

Rhea-AI Summary

Arista Networks director Lewis Chew reported a routine equity compensation event. On May 20, 2026, he exercised 971 restricted stock units, receiving 971 shares of Arista Networks common stock at a stated price of $0.00 per share. After this vesting-related conversion, he directly holds 31,232 shares of common stock. The RSUs were part of a grant made on May 30, 2025 that vests in quarterly installments beginning August 20, 2025.

Rhea-AI Summary

Arista Networks, Inc. director Kelly Bodnar Battles exercised restricted stock units that converted into 971 shares of Common Stock on May 20, 2026. These shares came from a previously granted RSU award that vests quarterly. After this transaction, Battles directly holds 10,500 shares of Common Stock.

Rhea-AI Summary

Arista Networks President and CTO Kenneth Duda exercised a Non-Qualified Stock Option for 32,000 shares of common stock on May 18, 2026 at an exercise price of $15.2625 per share, then sold an aggregate 58,000 shares in multiple open‑market or private transactions at weighted‑average prices described in ranges between $138.77 and $143.27 per share.

The disclosure states that these transactions, including sales by a Children’s Trust benefiting his children and by a 501(c) foundation where he and his spouse are co‑trustees, were effected under Rule 10b5-1 trading plans adopted on March 13, 2025. After these trades he holds 12,976 shares directly, 1,063,168 shares indirectly through a Children’s Trust and 482,400 shares indirectly through a foundation, in addition to other trust interests.

Rhea-AI Summary

Arista Networks director Charles H. Giancarlo, through a family trust for which he is co-trustee, reported selling a total of 8,000 shares of Arista Networks common stock in a series of open-market sales on May 1, 2026.

The sales were executed under a Rule 10b5-1 trading plan entered into on June 12, 2025, at weighted-average prices that reflect multiple trades in ranges from $172.6688 to $176.9387 per share. After these transactions, the family trust continues to hold over 200,000 Arista Networks shares indirectly attributed to Giancarlo.

Rhea-AI Summary

Arista Networks, Inc. CEO and Chairperson Jayshree Ullal reported a series of open-market sales of common stock executed on April 22, 2026 through family-related trusts. In total, the Form 4 data shows 428,000 shares sold at weighted average prices of about $177.28 and $178.22 per share.

The shares were sold by trusts for Ullal’s children and other relatives, where she serves as trustee or co‑trustee and, for certain trusts, she disclaims beneficial ownership while sharing voting and investment control. The transactions were carried out under a pre‑arranged Rule 10b5‑1 trading plan adopted on November 14, 2025 for the benefit of her relatives.

Following these sales, the reported positions show multi‑million‑share holdings remaining in the family and children’s trusts, while Ullal also reports 9,917 shares held directly and 30,000 shares held indirectly in trusts for a niece and nephew.

Rhea-AI 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.

Rhea-AI Summary

Arista Networks CEO and Chairperson Jayshree Ullal reported pre-planned sales of Arista Networks, Inc. common stock through family trusts. On April 20, 2026, trusts associated with Ullal sold a total of 306,139 shares in open-market transactions at a weighted average price of $167.312 per share, with individual trade prices ranging from $167.00 to $167.82. The transactions were carried out under a Rule 10b5-1 trading plan adopted on November 14, 2025 for the benefit of Ullal’s relatives.

After these sales, one family trust held 17,847,711 shares, another trust for a child held 5,287,287 shares, and trusts for a niece and nephew each held 30,000 shares. Ullal also held 9,917 shares directly. Footnotes state that some of these shares are held in trusts for relatives and children, where Ullal serves as trustee or co-trustee, shares voting and investment control, and disclaims beneficial ownership.

Rhea-AI Summary

Arista Networks, Inc. President and CTO Kenneth Duda reported a mix of option exercise and share sales in Arista common stock on April 17, 2026.

He exercised options to acquire 32,000 shares at an exercise price of $15.2625 per share and, in a series of open‑market transactions, entities associated with him sold an aggregate of 58,000 shares at weighted average prices generally between about $160 and $165 per share, under Rule 10b5‑1 trading plans.

Following these transactions, Duda holds 43,652 shares directly and maintains significant indirect holdings, including 1,079,168 shares held by a children’s trust where he is co‑trustee, 501,986 shares held by a 501(c) foundation for which he and his spouse serve as co‑trustees, and additional shares in family and annuity trusts. Certain indirect holdings are reported with disclaimers of beneficial ownership.

Rhea-AI Summary

Arista Networks CEO Jayshree Ullal reported insider sales executed through family trusts. On April 16, 2026, trusts associated with her sold a total of 350,000 shares of Arista Networks common stock in open-market transactions.

Individual sales included 20,827 shares at a weighted average price of 160.5527 per share and 229,173 shares at 159.2037 per share, along with smaller blocks from trusts for two children. These transactions were carried out under a Rule 10b5-1 trading plan adopted on November 14, 2025 for the benefit of her relatives.

The filing notes that the shares are held in various trusts for Ullal’s children and other relatives, where she serves as trustee or co-trustee, shares voting and investment control, and in some cases disclaims beneficial ownership. Following the transactions, the family trust and children’s trusts together still hold multi-million share positions, and Ullal also reports 9,917 shares held directly and 30,000 shares in each of two trusts for a niece and a nephew.

Rhea-AI Summary

Arista Networks, Inc. director Yvonne Wassenaar sold 1,395 shares of common stock in open-market transactions on April 15, 2026 under a pre-arranged Rule 10b5-1 trading plan. The sales occurred at weighted-average prices generally between $150.68 and $154.72 per share. Following these transactions, she continues to directly own 9,784 shares of Arista Networks common stock.

Rhea-AI Summary

Arista Networks Senior Vice President and CFO Chantelle Yvette Breithaupt sold 8,890 shares of common stock in an open-market transaction. The sale on April 14, 2026 was executed at a weighted average price of $155.0241 per share, with individual trades ranging from $155.00 to $155.06.

The transaction was carried out under a pre-arranged Rule 10b5-1 trading plan that she entered into on December 11, 2025. Following this sale, she continues to hold 60,734 shares of Arista Networks common stock directly.

Rhea-AI Summary

Arista Networks, Inc. CEO and Chairperson Jayshree Ullal reported an open-market sale of 112,812 shares of Arista common stock on April 13, 2026, at a weighted average price of $150.1141 per share. The transactions were executed under a Rule 10b5-1 trading plan adopted on November 14, 2025, meaning they were pre-scheduled rather than discretionary.

Following the sale, Ullal directly holds 9,917 shares of Arista common stock. She is also reported as trustee or co-trustee for several trusts, including 5,383,207 shares held in trusts for her children, 30,000 shares in a trust for a nephew, 30,000 shares in a trust for a niece, and 18,312,010 shares in a family trust. She shares voting and investment control and disclaims beneficial ownership of the child and relative trusts.

Rhea-AI Summary

Arista Networks director Charles H. Giancarlo, through a family trust, reported open-market sales of 8,000 shares of Common Stock on April 1, 2026. The transactions were executed in three blocks at weighted average prices between about $124.90 and $127.09 per share, as detailed in the price ranges.

After these sales, the family trust for which he is co-trustee held 216,333 shares of Arista Networks common stock in indirect ownership. The filing notes that prices are reported on a weighted-average basis across multiple small trades within the disclosed ranges.

Rhea-AI Summary

Arista Networks President and CTO Kenneth Duda reported an exercise-and-sell transaction in company stock. He exercised a non-qualified stock option for 32,000 shares of common stock at an exercise price of $15.2625 per share, then reported open-market sales totaling 58,000 shares.

The sales occurred on March 17, 2026 at weighted average prices in ranges described between roughly the low $130s and mid $130s per share, pursuant to Rule 10b5-1 trading plans entered on March 13, 2025. After these transactions, Duda holds 12,976 shares directly.

He also reports substantial indirect holdings, including 1,095,168 shares in a childrens’ trust where he is co-trustee, 502,400 shares held by a 501(c) foundation, and 702,147 shares in each of two annuity trusts, plus 201,134 shares in a family trust, as of the reported date.

Rhea-AI Summary

Arista Networks, Inc. director Yvonne Wassenaar reported selling 1,395 shares of common stock in open-market transactions. The trades took place on March 16, 2026 in four blocks at weighted average prices between $132.6904 and $135.5394, with individual trade prices ranging from $132.06 to $136.03. After these sales, she directly holds 11,179 Arista shares. The filing notes the transactions were executed under a pre-arranged Rule 10b5-1 trading plan adopted on November 21, 2025, indicating they were scheduled in advance rather than timed discretionarily.

Rhea-AI Summary

Arista Networks, Inc. President and CTO Kenneth Duda reported internal restructuring of his indirect holdings in the company’s common stock. On March 11, 2026, trusts associated with Duda and his spouse transferred a total of 223,256 shares among family-related grantor retained annuity trusts and a family trust, all at a stated price of $0.00 per share, indicating non-market, no-cash movements.

Following these transactions, indirect positions shown include 702,147 shares for a GRAT of Duda’s spouse, 702,147 shares for Duda’s own GRAT and 201,134 shares held by a family trust. Additional holdings entries show 12,976 shares held directly, 1,111,168 shares held by a children’s trust, and 512,400 shares held by a foundation where Duda and his spouse serve as co-trustees. Footnotes state that some of these trusts are for the benefit of family members and that Duda shares control and in at least one case disclaims beneficial ownership, underscoring that these are estate- and trust-planning moves rather than open-market purchases or sales.

Rhea-AI Summary

Arista Networks, Inc. director Charles H. Giancarlo is associated with a family trust that sold a total of 8,000 shares of Arista common stock in three open-market transactions on March 2, 2026. The shares were sold at weighted average prices of $127.9014, $128.8734 and $129.9489 under a Rule 10b5-1 trading plan entered on June 12, 2025. After these indirect sales by the trust, 1,784 shares remained in the trust, while Giancarlo also directly held 222,549 shares.

Rhea-AI Summary

Arista Networks, Inc. director Yvonne Wassenaar reported open-market sales of 1,815 shares of common stock on February 25, 2026. The reported weighted average sale prices ranged from $128.82 to $133.62 per share across multiple transactions.

These sales were made under a Rule 10b5-1 trading plan adopted on November 21, 2025, which pre-arranges trades according to preset instructions. Following the final transaction, Wassenaar directly held 12,574 shares of Arista Networks common stock.

Rhea-AI Summary

Arista Networks director Kelly Bodnar Battles reported selling 422 shares of common stock in open-market transactions. The sales occurred on February 23, 2026 under a Rule 10b5-1 trading plan entered on June 10, 2025, at weighted average prices ranging from about $126.85 to $131.46 per share. After these trades, she directly owns 9,529 Arista Networks shares.

Rhea-AI Summary

Arista Networks director Yvonne Wassenaar acquired 971 shares of common stock on February 20, 2026 through the exercise of restricted stock units. This reflects the vesting of 971 RSUs, each converting into one share at a price of $0.00 per share. Following the transaction, her directly held common stock totaled 14,389 shares, and 971 RSUs remained outstanding under the same award, which vests quarterly starting August 20, 2025.

Rhea-AI Summary

Arista Networks director Mark B. Templeton exercised restricted stock units into common stock. On February 20, 2026 he converted 971 RSUs into 971 shares of Arista Networks common stock at a stated price of $0.00 per share.

After this conversion, his direct ownership increased to 56,901 common shares. The filing also reports 75,200 common shares held indirectly by his spouse as trustee of a trust. Each RSU represents the right to receive one share upon vesting under a quarterly vesting schedule that began in 2025.

Rhea-AI Summary

Arista Networks, Inc. director Daniel Scheinman reported an RSU vesting and share issuance. On February 20, 2026, 971 Restricted Stock Units were exercised or converted into 971 shares of Arista Networks common stock at a price of $0.0000 per share. Following this non-cash derivative conversion, his directly held common stock position increased to 157,221 shares. The RSUs were part of a grant made on May 30, 2025 that vests quarterly beginning August 20, 2025.

Rhea-AI Summary

Arista Networks director Robert G. Lavender reported acquiring shares through the vesting of restricted stock units. On February 20, 2026, 808 RSUs were exercised at a price of $0.00 per share, converting into 808 shares of Arista Networks common stock held directly.

Each RSU represents a right to receive one share of common stock upon vesting. These RSUs were originally granted on March 14, 2025, with one-quarter vesting on August 20, 2025 and additional portions scheduled to vest on quarterly trading dates tied to February 20, May 20, August 20, and November 20.

Rhea-AI Summary

Arista Networks director Charles H. Giancarlo exercised 971 restricted stock units on February 20, 2026, receiving 971 shares of common stock at $0.00 per share through a derivative exercise. After this transaction, his directly held common stock position is 222,549 shares. A separate line shows 9,784 shares of common stock held indirectly by a family trust for which he is co‑trustee, reflecting ongoing indirect ownership rather than a new trade.

Rhea-AI Summary

Arista Networks, Inc. director Lewis Chew reported an automatic conversion of restricted stock units into common shares. On February 20, 2026, 971 RSUs converted into 971 shares of common stock at a price of $0.0000 per share through a derivative exercise.

After this transaction, Chew directly held 30,261 shares of Arista Networks common stock. The RSUs were originally granted on May 30, 2025, with one quarter vesting on August 20, 2025 and additional portions vesting on quarterly dates tied to February 20, May 20, August 20, and November 20.

Rhea-AI Summary

Arista Networks, Inc. director Kelly Bodnar Battles reported acquiring shares through the vesting of restricted stock units. On February 20, 2026, 971 restricted stock units were converted into 971 shares of common stock at a price of $0.00 per share as part of an equity award.

Following this derivative exercise, her directly held common stock position increased to 9,951 shares. Each restricted stock unit represents a contingent right to receive one share of Arista Networks common stock upon vesting, with these units granted on May 30, 2025 under a quarterly vesting schedule.

Rhea-AI Summary

Arista Networks, Inc. CEO and Chairperson Jayshree Ullal reported multiple equity award activities on February 20, 2026. Several performance-based restricted stock unit awards were exercised or converted into common stock at $0.00 per share, reflecting vesting of previously granted incentives.

The filing shows a tax-withholding disposition of 111,544 shares of common stock at $137.23 per share, used to satisfy tax obligations tied to these vestings rather than an open-market sale. After these transactions, Ullal directly held 122,729 shares of Arista common stock.

Separate lines disclose large indirect holdings in various trusts for children and relatives, and a family trust, where Ullal serves as trustee or co‑trustee. The filing notes shared voting and investment control over certain trust shares and includes disclaimers of beneficial ownership for those holdings.

Rhea-AI Summary

Arista Networks President and COO Todd Nightingale reported equity transactions tied to a performance-based stock award. He received 10,360 restricted stock units, each representing one share of common stock upon vesting. These units, granted in the second quarter of 2025, were earned based on specified performance conditions and vested on February 20, 2026.

Upon vesting, the restricted stock units were converted into 10,360 shares of common stock. Of these, 4,232 shares of common stock, valued at $137.23 per share, were disposed of to satisfy tax withholding obligations associated with the vesting. After these transactions, Nightingale directly held 6,128 shares of Arista Networks common stock.

Rhea-AI Summary

Arista Networks President and CTO Kenneth Duda reported a series of equity compensation events involving restricted stock units (RSUs) and common stock on February 20, 2026. Multiple RSU awards, including 44,240 units under one grant and 19,576 and 14,400 units under others, were granted or vested and then exercised into Arista common stock at a stated price of $0.0000 per share.

The resulting common shares are largely held indirectly by family-related trusts and a foundation, where Duda serves or shares roles such as trustee or co‑trustee. One transaction shows 54,823 common shares held by a family trust disposed of at $137.23 per share to satisfy tax withholding obligations on RSU vesting, rather than an open‑market sale. Footnotes explain that each RSU converts into one share and describe quarterly vesting schedules and performance‑based awards that were earned and vested on February 20, 2026.

Rhea-AI Summary

Arista Networks Senior Vice President and CFO Chantelle Yvette Breithaupt reported multiple stock-based compensation events involving restricted stock units and common shares. On February 20, 2026, several restricted stock unit (RSU) awards vested or were granted and then converted into Arista common stock at no cash exercise price.

The filing shows common shares issued from RSU conversions, along with new RSU and performance stock awards that were earned based on performance conditions and vested on February 20, 2026. To cover tax obligations on these vestings, 20,305 common shares were disposed of at $137.23 per share through share withholding, a non–open-market tax-withholding transaction. After these transactions, Breithaupt directly owned 69,624 shares of Arista common stock.