Blackford Quentin S. 4
4 · iRhythm Holdings, Inc. · Filed Mar 3, 2026
Research Summary
AI-generated summary of this filing
iRhythm (IRTC) CEO Quentin S. Blackford Sells Shares
What Happened
- Quentin S. Blackford, President & CEO and a director of iRhythm (IRTC), completed three open-market sell transactions on 2026-03-02 totaling 13,813 shares at $128.44 per share for aggregate proceeds of $1,774,174.
- Trades: 4,347 shares ($558,333), 4,043 shares ($519,289), and 5,423 shares ($696,552). These sales were reported on Form 4 filed 2026-03-03.
Key Details
- Transaction type: Sales (code S); purpose per footnote: tax withholding in connection with vested Restricted Stock Units (RSUs) (footnote F1 — sell-to-cover).
- Date and price: 2026-03-02 at $128.44 per share (three separate lots).
- Total shares sold: 13,813; total proceeds: $1,774,174.
- Shares owned after transaction: Not specified in the provided filing details.
- Filing timeliness: Form 4 was filed on 2026-03-03 (no late filing indicated in the provided record).
Context
- These sales were sell-to-cover transactions to satisfy tax withholding upon RSU vesting, a common insider liquidity practice and not necessarily a signal about the CEO’s view on the company’s prospects.
- Purchases generally carry more weight as a bullish signal; routine sales for tax obligations are less informative about management sentiment.
Insider Transaction Report
Form 4
Blackford Quentin S.
DirectorPresident and CEO
Transactions
- Sale
Common Stock
[F1]2026-03-02$128.44/sh−4,347$558,333→ 213,621 total - Sale
Common Stock
[F1]2026-03-02$128.44/sh−4,043$519,289→ 209,578 total - Sale
Common Stock
[F1]2026-03-02$128.44/sh−5,423$696,552→ 204,155 total
Footnotes (1)
- [F1]These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).
Signature
/s/ Marc Rosenbaum, attorney-in-fact|2026-03-03