Jayshree Ullal, Chief Executive Officer of Arista Networks, Inc. (ANET), was the largest insider seller at the company over a seven day window, with transactions dated October 6th, 2026. Open market sales at the company totaled $83.96 million across that window. The figure counts only Form 4 code S transactions, so shares withheld for tax and disposals back to the issuer are excluded.
Arista Networks operates in the Computer Communications Equipment sector. The company carries a market capitalization of $266,080,583,680, which places the week of selling in context as a small slice of the equity value on the tape. Sales of this size from a sitting chief executive still draw attention because the filer is the person closest to the operating picture.
Seven separate sell filings were logged during the window. Those filings came from two distinct sellers, meaning the activity was concentrated rather than broad across the insider roster. A cluster of filings from a single person often reflects staged execution of one authorization rather than several independent decisions.
The largest seller was Jayshree Ullal, in the CEO role. The second seller accounted for the remainder of the seven filings. Over the same period, the stock last traded at $210.97 per share.
There were no offsetting open market purchases to report against the selling in this window. Where buying and selling both appear in a single period, the comparison can soften the read. Here the record shows sales only, under code S, with the chief executive at the top of the list.
A sale is not advice and it is not a prediction. A sale may be a scheduled 10b5-1 plan entered months earlier, which means the decision to sell could predate the week the shares actually moved. Executives sell for reasons that have nothing to do with the company, including tax bills, diversification, charitable gifts, estate planning and personal expenses. This article is a record of what was filed with the Securities and Exchange Commission, nothing more.
Readers tracking Arista Networks should also note that insider selling is common at large technology companies where equity makes up a significant share of compensation. Volume alone does not separate routine plan execution from a discretionary decision. The useful detail is the pattern over time: whether filings continue at a similar pace, whether more insiders join the sellers, and whether any open market buying appears alongside them in later periods.
Sources: SEC Form 4 filings via EDGAR, reviewed by InsiderBuying.com, covering a seven day window of transactions dated through October 6th, 2026.
Track every Form 4 filed at Arista Networks, Inc. (ANET) → insiderbuying.com/companies/ANET