Lawrence Brian Lee 4

What Happened

• Lawrence Brian Lee, Chief Technology Officer of iRhythm Holdings (IRTC), sold 1,014 shares on 2026-05-04 at $120.80 per share for a total of $122,491. The Form 4 was filed on 2026-05-05.
• The sale is reported with transaction code S (sale) and is noted as being done to cover tax withholding obligations related to the vesting of Restricted Stock Units (RSUs) (footnote F1).

Key Details

• Transaction date and price: 2026-05-04 at $120.80 per share.
• Total proceeds: $122,491 (gross).
• Shares owned after the transaction: not specified in this filing excerpt.
• Footnote: F1 — shares were sold to cover tax withholding and remittance obligations from RSU vesting.
• Filing timeliness: filed the next day (2026-05-05); not indicated as late.

Context

• This was a sell-to-cover tied to RSU vesting (a common, administrative transaction to meet tax obligations) rather than an open-market disposition intended to change overall ownership stance. Such transactions are routine and do not, by themselves, indicate the insider’s broader view on the company.