Arista Networks, Inc. SEC Filings

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.

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.

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.

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.

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.

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, Inc. outlines its business, strategy, and risks as a leading provider of data-driven, client-to-cloud networking-as-a-service. The company focuses on high-speed Ethernet switching and routing for AI centers, cloud and data centers, campus networks, and WAN, built around its EOS operating system, CloudVision management, and NetDL data lake.

Arista highlights strong positions with cloud and AI titans, but notes heavy customer concentration, complex supply chains reliant on Broadcom and other limited-source components, exposure to tariffs and macroeconomic cycles, and intensifying competition from major networking vendors, white-box solutions, and alternative AI interconnects like InfiniBand and NVLink.