ResMed Ranks 305th in Market Activity as $320M Volume Surges 103.58% Amid Mixed Earnings and Insider Sales
ResMed (RMD) closed at a 0.03% decline on August 19, 2025, with a trading volume of $320 million, a 103.58% increase from the prior day, ranking it 305th in market activity. The stock remains near its 52-week high of $293.08 amid mixed financial signals.
A significant insider transaction occurred as director John Hernandez sold 2,575 shares at prices between $286.90 and $287.24, netting $739,289. Hernandez also exercised options to acquire an additional 2,575 shares at $148.90, leaving him with a direct ownership of 4,045 shares. The move follows the company’s Q4 2025 earnings report, which showed a $2.55 non-GAAP diluted EPS (up 23% year-over-year) but revenue of $1.3 billion, slightly below the $1.33 billion estimate. While earnings exceeded forecasts, the stock fell in after-hours trading, reflecting divergent market sentiment toward revenue performance and valuation metrics.
A backtested strategy of purchasing the top 500 volume-driven stocks and holding for one day generated a $2,940 profit from December 2022 to August 2025. However, the approach faced a maximum drawdown of $1,960, representing a 19.6% peak-to-trough decline, underscoring the strategy’s inherent volatility despite a net positive outcome.

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