--- title: Arista CEO Jayshree Ullal Sells $216M in ANET Stock type: news slug: arista-ullal-april-2026-216m-10b5-1-sales canonical_url: https://13finsight.com/news/arista-ullal-april-2026-216m-10b5-1-sales published_at: 2026-05-25T13:37:30.781Z updated_at: 2026-05-25T13:37:33.193Z author: Alex Rivera author_title: Breaking News Editor author_url: https://13finsight.com/authors/alex-rivera word_count: 810 locale: en source: 13F Insight --- # Arista CEO Jayshree Ullal Sells $216M in ANET Stock > Arista Networks CEO Jayshree Ullal sold about $216 million of stock across five sessions in April 2026 under a 10b5-1 plan, then exercised options in May — while remaining a major holder. Jayshree Ullal, the longtime CEO and Chairperson of Arista Networks (ANET), sold roughly 1.29 million shares for about $216 million across five trading sessions in April 2026, according to a series of Form 4 filings. The sales clustered on April 13, 16, 20, 21 and 22 at prices ranging from about $150 to $178, and were executed both directly and through family trusts — the kind of large, multi-account distribution that draws attention when it comes from the executive who has run a company for nearly two decades. The key qualifier is that none of it was discretionary. Every April sale ran under a Rule 10b5-1 trading plan that Ullal adopted on November 14, 2025, pre-scheduling the trades months in advance. A $216 million figure makes for a striking headline, but the plan structure means the timing reflects a calendar set last autumn, not a fresh judgment about Arista's prospects in April. It is also worth being precise about what happened in May. Ullal's most recent Form 4 (accession 0001596532-26-000064, May 20, 2026) records an option exercise and tax-withholding event, not an open-market sale — she exercised 55,328 options and had shares withheld to cover taxes. Reading that May filing as additional "selling" would misstate it. The substantive distribution was the April plan activity. Still a major Arista shareholder Even after liquidating $216 million, Ullal remained a substantial owner of the company she helped build into a networking powerhouse, holding millions of shares across her direct account and family trusts. As a founder-era executive who has led Arista since 2008, her interests stay firmly tied to the stock. Ullal's full Form 4 record shows a consistent pattern of plan-based selling rather than abrupt exits — the November 2025 plan is simply the latest in a long series. That history is the context retail investors miss when a single month's total goes viral. Executives of highly-appreciated growth stocks routinely diversify multimillion-dollar concentrations through pre-set plans; the absolute dollar amount scales with the share price, which is exactly why Ullal's April total looks so large. Spreading the sales across five separate sessions and multiple trust accounts is itself a hallmark of orderly, plan-driven distribution rather than a rushed exit. Selling into the AI networking boom Arista sits at the center of the AI infrastructure trade. Its high-speed Ethernet switches connect the GPU clusters that hyperscalers use to train large models, making it a direct beneficiary of the same capital expenditure wave lifting Nvidia and Broadcom. The stock's climb into the $150-$178 range over the period is what turned a routine plan sale into a nine-figure event. Against incumbent Cisco, Arista has steadily taken share in the data-center switching market that AI workloads have supercharged. An ownership base dominated by index funds Arista's register is led by passive vehicles — BlackRock, Vanguard, State Street and Geode funds hold large stakes primarily because ANET is an index constituent, not on any active conviction view. Among active managers, Fidelity (FMR) and Capital Research Global Investors hold meaningful positions. The contrast frames why the CEO's own holding remains the insider signal worth tracking: index inclusion, not discretionary buying, accounts for most of the institutional float, and even the largest index holder — BlackRock — owns ANET to match a benchmark rather than to express a view. What to watch next The November 14, 2025 plan remains the mechanism to monitor — further tranches will surface in new Form 4 filings within two business days of each execution, and a refreshed plan would typically be disclosed in a future filing. The real catalyst is Arista's next quarterly report, expected in early August 2026, which will test whether hyperscaler Ethernet demand is still accelerating. A genuine signal would require Ullal adopting a markedly larger plan or selling outside the established cadence; until then, Ullal's insider activity reads as scheduled diversification. Follow every filing and the full holder base on the Arista Networks stock page. FAQ How much Arista stock did Jayshree Ullal sell in April 2026? Jayshree Ullal sold about 1.29 million Arista Networks (ANET) shares for roughly $216 million across five trading sessions in April 2026, at prices ranging from about $150 to $178 per share. Were Jayshree Ullal's Arista sales discretionary? No. The April 2026 sales were executed under a Rule 10b5-1 trading plan adopted November 14, 2025, which pre-schedules trades so they cannot be timed on material non-public information. Did Jayshree Ullal sell Arista stock in May 2026? Her May 20, 2026 Form 4 records an option exercise and tax-withholding event, not an open-market sale. The substantive April activity was the 10b5-1 plan selling, not the May exercise. Does Jayshree Ullal still own Arista stock? Yes. After the April 2026 sales, Ullal remained a major Arista shareholder, holding millions of shares across her direct account and family trusts as the company's longtime CEO since 2008. ## FAQ ### How much Arista stock did Jayshree Ullal sell in April 2026? Jayshree Ullal sold about 1.29 million Arista Networks (ANET) shares for roughly $216 million across five trading sessions in April 2026, at prices ranging from about $150 to $178 per share. ### Were Jayshree Ullal's Arista sales discretionary? No. The April 2026 sales were executed under a Rule 10b5-1 trading plan adopted November 14, 2025, which pre-schedules trades so they cannot be timed on material non-public information. ### Did Jayshree Ullal sell Arista stock in May 2026? Her May 20, 2026 Form 4 records an option exercise and tax-withholding event, not an open-market sale. The substantive April activity was the 10b5-1 plan selling, not the May exercise. ### Does Jayshree Ullal still own Arista stock? Yes. After the April 2026 sales, Ullal remained a major Arista shareholder, holding millions of shares across her direct account and family trusts as the company's longtime CEO since 2008. --- Source: 13F Insight — https://13finsight.com/news/arista-ullal-april-2026-216m-10b5-1-sales Author: Alex Rivera — https://13finsight.com/authors/alex-rivera Last updated: 2026-05-25T13:37:33.193Z