Insider Trading March 18, 2026

Arista director executes $187,404 stock sale as company posts strong Q4 and raises guidance

Director Yvonne Wassenaar reduces position under a 10b5-1 plan amid analyst upgrades and an expanded AI revenue target

By Marcus Reed ANET
Arista director executes $187,404 stock sale as company posts strong Q4 and raises guidance
ANET

Arista Networks director Yvonne Wassenaar sold 1,397 shares on March 16, 2026, for $187,404 in multiple transactions carried out under a Rule 10b5-1 trading plan. The company reported quarterly results that topped expectations and raised fiscal 2026 revenue guidance, prompting several analyst price-target increases and continued emphasis on AI-related revenue growth.

Key Points

  • Director Yvonne Wassenaar sold 1,397 Arista shares on March 16, 2026, for $187,404 under a Rule 10b5-1 plan adopted November 21, 2025.
  • The sales occurred across prices from $132.69 to $135.54; Wassenaar now directly owns 11,179 shares. Arista shares trade at $136.07, up 62% over the last year.
  • Arista beat Q4 2025 estimates with EPS of $0.82 and revenue of $2.49 billion, raised fiscal 2026 revenue guidance by approximately 6%, and drew analyst price-target increases from Needham, Piper Sandler and Evercore ISI while Evercore raised an AI revenue target to $3.25 billion.

Arista Networks director Yvonne Wassenaar disposed of 1,397 shares of the companys common stock on March 16, 2026, realizing proceeds of $187,404. The disposals were executed in several trades at prices spanning $132.69 to $135.54 per share.

The package of sales was broken down as follows: 264 shares at a weighted average price of $132.69, 360 shares at $133.55, 232 shares at $134.65 and 539 shares at a weighted average price of $135.54. As of the most recent quote noted in the report, Arista shares trade at $136.07, which the filing says represents a 62% gain over the past 12 months.

After the transactions, Wassenaar is recorded as directly holding 11,179 shares. The stock sales were carried out pursuant to a Rule 10b5-1 trading plan that Wassenaar adopted on November 21, 2025.

Financial metrics cited in the filing show Arista trading at a price-to-earnings ratio of 49.67. An InvestingPro analysis included in the material indicates the stock is currently overvalued relative to its Fair Value, and notes that investors can access ANETs Pro Research Report, one of the platform's research reports, for more detail.

The insider activity comes as Arista reported stronger-than-expected fourth-quarter results for 2025. The company reported earnings per share of $0.82, beating the $0.76 forecast, and revenue of $2.49 billion, above the $2.38 billion expected by analysts. Arista also raised its fiscal 2026 revenue guidance by approximately 6%.

Market analysts reacted to the results and the guidance revision with higher price targets. Needham lifted its price target to $185 and maintained a Buy rating. Piper Sandler increased its target to $175 while keeping an Overweight rating. Evercore ISI reiterated an Outperform rating with a $200 price target and highlighted an increased AI revenue target for fiscal 2026 of $3.25 billion.

Taken together, the disclosed insider sale, the firm’s beat-and-raise quarter and the analyst responses provide multiple data points investors can use when assessing Arista’s near-term outlook. The sale was executed under a pre-established trading plan and the company’s recent operational results and guidance adjustments remain central to analysts’ updated valuations and revenue expectations.

Risks

  • Insider sales can be interpreted in multiple ways; while these trades were executed under a 10b5-1 plan, they may still prompt investor scrutiny of insider conviction - this affects equity market perception in the technology sector.
  • Valuation metrics cited in the filing show a P/E of 49.67 and an InvestingPro assessment that ANET is overvalued relative to Fair Value, presenting valuation risk for investors considering positions in networking and data-center hardware stocks.
  • Analyst expectations and targets have shifted higher following the quarter, but future performance and the realization of revised fiscal 2026 revenue guidance - including the $3.25 billion AI revenue target highlighted by Evercore ISI - remain subject to execution risk in the enterprise networking and AI infrastructure markets.

More from Insider Trading

Eagle Point Credit Management reduces small slice of ACR preferred holdings Mar 18, 2026 GigaCloud Director and Related Entities Sell $3.87 Million in Class A Shares Mar 18, 2026 NightFood President's Family Buys 206,400 NGTF Shares as Company Raises Short-Term Debt Mar 18, 2026 Flux Power Director Disposes of 86,881 Shares in Two-Day Sale; Proceeds $112,262 Mar 18, 2026 Rexford Industrial co-CEO executes $816,358 stock sale; maintains significant holdings Mar 18, 2026