Lawrence Brian Lee 4

What Happened

• Lawrence Brian Lee, Chief Technology Officer of iRhythm Holdings, was granted 6,689 Restricted Stock Units (RSUs) on February 25, 2026. The award was granted at $0.00 (no cash paid); each RSU represents a contingent right to one share of the company's common stock.

Key Details

• Transaction date: 2026-02-25; Form 4 filed 2026-02-27 (no late filing indicated).
• Grant type/code: A (Award/Grant/Other Acquisition).
• Shares/units granted: 6,689 RSUs; acquisition price recorded as $0.00.
• Vesting: 25% of the RSUs vest on March 1, 2027, with the remainder vesting in equal installments on each one-year anniversary thereafter, subject to continued service (per footnote).
• Shares owned after transaction: Not specified in this filing.
• Corporate note: On January 12, 2026, iRhythm Technologies effectuated a holding company reorganization; outstanding shares and awards converted one-for-one to iRhythm Holdings securities (no change in economic interest).

Context

• RSU grants are not open-market purchases or sales and do not necessarily signal immediate buying or selling intent; they are a form of compensation that vests over time. The reported grant increases the insider's potential future stake as units vest according to the schedule above.