iRhythm Technologies CAO Sells $104K in Stock

Insider selling activity reported as shares decline from recent highs

Mar. 4, 2026 at 2:48am by Ben Kaplan

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iRhythm Technologies' Chief Accounting Officer Marc Wade Rosenbaum sold 816 shares of the company's stock on March 2nd, 2026 for a total value of $104,815. The sale represented a 4.66% decrease in Rosenbaum's ownership stake in the company. iRhythm is a medical technology firm that develops wearable cardiac monitoring devices and data analytics services, with its flagship product being the Zio patch.

Why it matters

Insider selling activity can sometimes signal a lack of confidence in a company's future prospects, though it can also be for personal financial reasons. iRhythm's stock has declined from recent highs, which may have prompted the CAO's sale. Investors will be watching to see if other insiders follow suit or if this was an isolated transaction.

The details

According to SEC filings, iRhythm Technologies CAO Marc Wade Rosenbaum sold 816 shares of the company's stock on March 2nd, 2026 at an average price of $128.45 per share. The total transaction value was $104,815.20. Following the sale, Rosenbaum still owns 16,706 shares of iRhythm stock, valued at approximately $2.15 million.

  • The stock sale occurred on March 2nd, 2026.

The players

Marc Wade Rosenbaum

Chief Accounting Officer of iRhythm Technologies.

iRhythm Technologies

A medical technology company that develops wearable cardiac monitoring devices and associated data analytics services.

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The takeaway

This insider sale by iRhythm's CAO comes as the company's stock has declined from recent highs, though it's unclear if the sale signals broader concerns about the business. Investors will be watching to see if other insiders follow suit or if this was an isolated transaction.