Patterson Chad 4

What Happened
Chad Patterson, iRhythm Holdings' Chief Communications & Product Officer, had 17,318 performance restricted stock units (RSUs) vest on Feb 24, 2026 (awarded/acquired at $0.00). Following the vest, 8,967 shares were sold in an open-market transaction on Feb 25, 2026 at $135.42 per share for proceeds of $1,214,301. The sale was executed to satisfy tax withholding and remittance obligations tied to the RSU vesting.

Key Details

• Transactions reported: Feb 24, 2026 (award/acquisition of 17,318 shares at $0.00); Feb 25, 2026 (open-market sale of 8,967 shares at $135.42, proceeds $1,214,301).
• Footnote F1: Vesting resulted from the Compensation & Human Capital Management Committee determining the performance conditions were met for RSUs granted Feb 27, 2023.
• Footnote F2: The sale of 8,967 shares was to cover tax withholding/remittance obligations related to the vesting.
• Shares owned after the transactions: not specified in the provided filing excerpt.
• Filing: Reported on Feb 26, 2026 — appears timely (Form 4 is generally due within two business days of the transactions).
• Transaction codes: A = Award/Acquisition (RSU vesting); S = Sale; F (tax withholding) applied as the reason for the sale.

Context
This activity reflects typical post-vesting mechanics: performance RSUs vested and a portion of the resulting shares were sold to meet tax obligations. Such sell-to-cover transactions are routine and do not necessarily indicate a change in the insider’s view of the company. Note also the issuer completed a holding-company reorganization on Jan 12, 2026 (iRhythm Holdings became the successor issuer and prior iRhythm Tech securities converted 1-for-1).