Eric Singer, Director at A10 Networks (NYSE:ATEN), reported the open-market sale of 24,698 shares of common stock on May 5, 2026, according to a SEC Form 4 filing.
Transaction summary Transaction and post-transaction values based on SEC Form 4 weighted average price of the shares sold ($27.21)
Key questions – How does the size of this sale compare to Singer’s historical trading activity? This is the only reported open-market sale by Singer in the past three years; all other Form 4 filings in this period involved administrative adjustments rather than discretionary selling. – What proportion of Singer’s A10 Networks holdings was affected? The sale accounted for 26.41% of Singer’s direct holdings, reducing his position from 93,504 to 68,806 shares, with no indirect or derivative holdings reported in this filing. – Is there any evidence of a pattern or cadence to Singer’s selling?
There is insufficient historical sell data to establish a trend regarding frequency or cadence; this transaction appears isolated rather than part of a recurring schedule. – How does the transaction value relate to current market conditions? The weighted average sale price of around $27.21 per share was in line with the stock’s closing price of $27.13 on the transaction date, as of May 5, 2026, with A10 Networks shares up 64.11% over the trailing year. Company overview Note: 1-year performance calculated with May 5, 2026 as the reference date.