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.
Arista Networks President and CTO Kenneth Duda reported multiple equity transactions in Arista Networks common stock. He exercised a non-qualified stock option for 32,000 shares at an exercise price of $15.2625 per share, increasing his direct common stock holdings before subsequent sales.
On the same date, pre-arranged Rule 10b5-1 trading plans led to open-market sales totaling 58,000 shares of common stock at weighted average prices generally between about $140.52 and $144.13 per share. After these direct sales, he held 12,976 Arista shares directly.
Additional sales were made by entities associated with him, including a 501(c) foundation where he and his spouse serve as co-trustees and a children’s trust, under Rule 10b5-1 plans entered into on March 13, 2025. He also reports indirect holdings through family and annuity trusts.
Breithaupt Chantelle Yvette reported acquisition or exercise transactions in this Form 4 filing.
Arista Networks, Inc. reported that Senior Vice President and CFO Chantelle Yvette Breithaupt received an equity award of 19,170 restricted stock units. Each unit represents a contingent right to receive one share of Arista common stock upon vesting.
According to the grant terms, one twelfth of these restricted stock units will vest on February 20, 2028 and will then continue to vest at the same rate on each quarterly vest date. Quarterly vest dates are defined as the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.
Arista Networks director Charles Giancarlo reported that a family trust for which he is co‑trustee sold a total of 8,000 shares of Arista Networks common stock on February 2, 2026 under a pre‑established Rule 10b5‑1 trading plan.
The trust sales were executed in four blocks at weighted average prices of $138.9082, $140.2747, $141.0087 and $141.9373, with individual trades occurring between $138.52 and $142.41. After these transactions, the family trust held 9,784 shares indirectly for Giancarlo, and he also reported 221,578 shares held directly.
Arista Networks, Inc. executive Kenneth Duda, its President and CTO, reported option exercises and share sales dated January 20, 2026. He exercised a non-qualified stock option for 30,000 shares of common stock at an exercise price of $3.515 per share, increasing his directly held stock before subsequent sales. On the same day he sold several blocks of directly held common stock in open-market transactions at weighted average prices that include $127.2796, $128.0123, $129.2549 and $129.8985 per share under a Rule 10b5‑1 trading plan entered on March 13, 2025.
Additional sales were made indirectly by a children’s trust for which Duda is co‑trustee, and by a 501(c) foundation for which he and his spouse serve as co‑trustees, each under separate Rule 10b5‑1 trading plans dated March 13, 2025. The filing also lists substantial indirect holdings in annuity and family trusts, which reflect ongoing indirect ownership relationships rather than new transactions.
Arista Networks director Charles Giancarlo reported multiple open‑market sales of company stock held in a family trust. On January 2, 2026, a trust for which he serves as co‑trustee sold blocks of Arista Networks common stock at weighted average prices of $132.9695, $133.6371, $134.9893, and $135.705 per share.
The sales, all coded as transaction type “S,” were made under a Rule 10b5‑1 trading plan that Giancarlo entered into on June 12, 2025. After these transactions, the trust continued to hold Arista Networks shares indirectly, and Giancarlo also reported a separate direct holding of common stock. The filing notes that each weighted average price reflects multiple trades within specified price ranges, and Giancarlo has agreed to provide full trade‑level detail upon request.
Arista Networks director and officer Kenneth Duda reported an option exercise and multiple stock sales dated 12/17/2025. He exercised 30,000 non-qualified stock options at an exercise price of $3.515 per share and acquired the same number of Arista Networks common shares.
On the same date, he sold several blocks of common stock in the open market at weighted average prices around $122–$126 per share, leaving 12,976 shares held directly. Additional sales were made by a children’s trust and a 501(c) foundation with which he is associated, under Rule 10b5-1 trading plans entered into on March 13, 2025. After these transactions, he continued to report large indirect holdings through multiple trusts and annuity trusts.
Arista Networks (ANET) executive Kenneth Duda, who serves as President, CTO and director, reported several internal transfers of Arista common stock on 12/03/2025. The Form 4 shows a transaction code "J," indicating non-market, non-open-market transfers.
The filing discloses 75,000 shares moved from the spouse’s GRAT to a family trust and 75,000 shares moved from Duda’s own GRAT to the same family trust, all at a reported price of $0.0 per share. It also notes an aggregate contribution of 150,000 shares to GRATs for Duda and his spouse. After these transactions, Duda reports indirect beneficial ownership of Arista stock through multiple vehicles, including annuity trusts, a family trust, a children’s trust, and a 501(c) foundation, and he disclaims beneficial ownership of shares held for a child’s benefit.
Arista Networks, Inc. director reported several open-market sales of the company’s common stock on 12/01/2025, executed under a pre-arranged Rule 10b5-1 trading plan entered into on June 12, 2025. A family trust for which the reporting person is co-trustee sold 564 shares at a weighted average price of $126.928, 4,552 shares at $127.9277, and 2,884 shares at $128.5834, with each price reflecting multiple trades within specified ranges. Following these transactions, the trust held 25,784 shares indirectly, and the reporting person also held 221,578 shares directly. The filing emphasizes that detailed price breakdowns within each range are available to Arista Networks, its security holders, or the SEC staff upon request.
Arista Networks CEO and Chairperson Jayshree Ullal reported multiple stock sales in Arista Networks, Inc. (ANET) on November 25, 2025 under a pre-arranged Rule 10b5-1 trading plan adopted on December 13, 2024. She sold 2,400 shares of common stock at a weighted average price of $123.198, 8,100 shares at $124.0545, 12,742 shares at $125.0603, and 800 shares at $125.6238, all coded as open market sales.
Following these transactions, Ullal directly owned 9,917 Arista shares. She also had indirect ownership reported, including 5,383,207 shares held in trust for Child 1, 5,383,207 shares for Child 2, 30,000 shares for a nephew, 30,000 shares for a niece, and 18,312,010 shares held by a family trust for which she is co‑trustee. For the trusts benefiting her children and certain relatives, she shares voting and investment control but disclaims beneficial ownership.
Arista Networks, Inc. executive Kenneth Duda, President and CTO and a director, reported internal share transfers involving family trusts. On 11/25/2025, 79,074 shares of Arista Networks common stock were transferred to a Family Trust from a GRAT of his spouse and another 79,074 shares were transferred to the same Family Trust from his own GRAT, for an aggregate of 158,148 shares, all at a reported price of $0.0 per share.
Following these transactions, he continues to report beneficial ownership of Arista Networks shares held indirectly through multiple vehicles, including annuity trusts where he or his spouse serves as trustee, a family trust where he is co‑trustee, a Children’s Trust where he disclaims beneficial ownership, and a 501(c) foundation for which he and his spouse serve as co‑trustees.
Arista Networks, Inc. (ANET) director Kelly Battles reported small open-market sales of company stock. On 11/21/2025, she sold a total of 422 shares of common stock in several transactions under a pre-arranged Rule 10b5-1 trading plan entered into on June 10, 2025. The reported weighted average sale prices ranged from about $114.75 to $119.53 per share, with detailed price breakdowns available on request. After these sales, Battles directly beneficially owned 8,980 shares of Arista Networks common stock.
Arista Networks, Inc. (ANET) CEO and Chairperson Jayshree Ullal reported equity award activity and related tax withholding on a Form 4. On 11/20/2025, 20,600 and 27,660 shares of common stock were acquired at $0.0 upon vesting of restricted stock units, and 24,218 shares were disposed of at $124.81 to cover tax obligations. Following these transactions, Ullal directly holds 33,959 shares of Arista common stock. In addition, large indirect holdings are reported, including 18,312,010 shares held by a family trust for which Ullal is co‑trustee.
Arista Networks (ANET) director and officer Kenneth Duda reported multiple restricted stock unit (RSU) vestings on 11/20/2025. Several RSU grants converted into a total of 35,396 shares of common stock at an exercise price of $0.0, which were held indirectly through a family trust. To cover tax withholding on these vestings, 17,764 shares of common stock were disposed of at a price of $124.81 per share.
After these transactions, the family trust held 26,935 shares, in addition to other indirect holdings shown, including shares held in a children’s trust, a foundation, and two annuity trusts. Each RSU represents a contingent right to receive one share of Arista Networks common stock upon vesting, with the RSU awards vesting in quarterly installments tied to specific February, May, August, and November vest dates.
Arista Networks, Inc. (ANET) reported an insider equity transaction by its Senior Vice President and Chief Financial Officer, Chantelle Breithaupt. On 11/20/2025, 10,916 shares of common stock were acquired at an exercise price of $0.0 through the vesting and settlement of previously granted restricted stock units. On the same date, 5,457 shares of common stock were disposed of at $124.81, designated with transaction code "F," which typically reflects shares withheld to cover tax obligations.
Following these transactions, the reporting person beneficially owned 47,395 shares of Arista Networks common stock directly and held 98,260 derivative securities in the form of restricted stock units. The underlying RSU award began vesting on February 20, 2025, with 25% vested on that date and the remainder scheduled to vest in 6.25% quarterly installments on the first market trading day on or after February 20, May 20, August 20, and November 20 of each year.
Arista Networks, Inc. (ANET) director Yvonne Wassenaar reported an equity award transaction. On 11/20/2025, 971 shares of common stock were acquired at a price of $0.0 through the vesting and settlement of restricted stock units (RSUs), a form of stock-based compensation.
After this transaction, she beneficially owned 13,418 shares of Arista Networks common stock directly and held 1,942 RSUs. The RSUs were originally granted on May 30, 2025, with one quarter of the shares vesting on August 20, 2025 and additional portions scheduled to vest on each quarterly vest date thereafter, which falls on the first market trading day on or after February 20, May 20, August 20, or November 20.
Arista Networks (ANET) director Mark Templeton reported a routine equity compensation transaction. On 11/20/2025, he exercised or settled a derivative award coded "M" for 971 shares of Common Stock at an exercise price of $0.0 per share, reflecting vesting of restricted stock units.
After this transaction, he directly beneficially owned 55,930 shares of Arista Networks common stock. An additional 75,200 shares were reported as indirectly owned in a trust for which his spouse serves as trustee. Following the RSU transaction, 1,942 restricted stock units remained beneficially owned as derivative securities.
Arista Networks (ANET) director equity transaction: Director Daniel Scheinman converted 971 restricted stock units (RSUs) into shares of Arista Networks common stock on 11/20/2025 at an exercise price of $0.0 per share. Following this transaction, he directly owns 156,250 shares of common stock and 1,942 RSUs that remain outstanding.
The RSUs were originally granted on May 30, 2025. One quarter of the award vested on August 20, 2025 and the remaining RSUs continue to vest in equal quarterly installments on the first market trading day on or after February 20, May 20, August 20, or November 20. This filing records ongoing equity compensation rather than a new cash transaction.
Arista Networks (ANET) director reports RSU share acquisition. Director Robert Lavender reported that on 11/20/2025, 807 shares of Arista Networks common stock were acquired at a price of $0.0 through the conversion of restricted stock units (RSUs).
Following this transaction, he beneficially owned 2,454 shares of common stock directly and 1,615 RSUs that can convert into additional shares. The RSUs were granted on March 14, 2025, with one-quarter vesting on August 20, 2025 and additional portions scheduled to vest on the first market trading day on or after February 20, May 20, August 20, and November 20.
Arista Networks (ANET) director equity transaction: Director Charles Giancarlo reported the vesting and settlement of 971 restricted stock units into 971 shares of Arista Networks common stock on 11/20/2025, at an exercise price of $0.0. After this transaction, he beneficially owned 221,578 shares directly and 33,784 shares indirectly through a family trust where he is co-trustee. The RSUs were granted on May 30, 2025, with one quarter of the award vesting on August 20, 2025 and the remaining shares continuing to vest on each quarterly vest date, defined as the first market trading day on or after February 20, May 20, August 20, or November 20.
Arista Networks, Inc. (ANET) reported an insider equity transaction by a director on a Form 4. On 11/20/2025, the reporting person acquired 971 shares of Common Stock through the vesting and settlement of previously granted restricted stock units (RSUs) at an exercise price of $0.0. After this transaction, the director beneficially owned 29,290 shares of Arista Networks Common Stock in direct ownership.
The derivative table shows that 971 RSUs were converted into shares, leaving 1,942 RSUs beneficially owned following the transaction. According to the footnotes, each RSU represents a right to receive one share of Common Stock upon vesting. The RSUs referenced were granted on May 30, 2025, with one quarter of the shares vesting on August 20, 2025 and additional portions vesting on each quarterly vest date on or after February 20, May 20, August 20, or November 20.
Arista Networks, Inc. (ANET) director equity update: A company director reported the vesting and settlement of 971 shares of Arista Networks common stock on 11/20/2025. These shares were acquired at an exercise price of $0.0 through the conversion of previously granted restricted stock units (RSUs).
After this transaction, the director beneficially owns 9,402 shares of Arista Networks common stock held directly, along with 1,942 RSUs that remain outstanding. The RSUs were originally granted on May 30, 2025, with one quarter of the shares vesting on August 20, 2025, and additional portions scheduled to vest 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.
Arista Networks (ANET) director and President/CTO Kenneth Duda reported option exercises and stock sales. On 11/17/2025, he exercised a non-qualified stock option for 30,000 shares of common stock at an exercise price of $3.515 per share, increasing his direct holdings before subsequent sales.
That same day he sold multiple blocks of Arista common stock at weighted average prices ranging from $125.515 to $132.81 per share, under Rule 10b5-1 trading plans entered on March 13, 2025. After these transactions, he directly owned 12,976 shares, with additional indirect holdings including 1,159,168 shares held by a children’s trust, 542,400 shares held by a 501(c) foundation, two GRATs holding 762,035 shares each, and 9,303 shares in a family trust.
Arista Networks (ANET) CEO and Chair Jayshree Ullal reported an internal transfer of 935,000 shares of common stock on 11/14/2025, coded as transaction type G, which typically reflects a gift or similar transfer. Following this move, a family trust for which Ullal is co‑trustee holds 18,312,010 shares indirectly.
Additional indirect holdings include 9,917 shares in a trust for a child, 5,383,207 shares in a trust for Child 1, 5,383,207 shares in a trust for Child 2, and 30,000 shares each in trusts for a nephew and a niece. The filing notes that Ullal serves as trustee or co‑trustee and shares voting and investment control over these trusts, while disclaiming beneficial ownership of shares held for children and other relatives.
Arista Networks (ANET): Director Charles Giancarlo reported selling 8,000 shares of common stock on 11/03/2025 pursuant to a Rule 10b5-1 trading plan entered into on June 12, 2025.
The sales were executed in four tranches at weighted average prices of $156.3252 (2,168 shares; individual trades ranged $155.74–$156.73), $157.3273 (5,232 shares; ranged $156.78–$157.76), $158.011 (500 shares; ranged $157.81–$158.31), and $159.02 (100 shares). After these transactions, the reporting person beneficially owned 33,784 shares indirectly through a family trust and 220,607 shares directly.
The filing notes the reporting person will provide full trade-by-trade details within the disclosed price ranges upon request.