Quentin S. Blackford - 29 May 2026 Form 4 Insider Report for iRhythm Holdings, Inc. (IRTC)

Reporting relationship: President and CEO, Director
Issuer ticker: IRTC
Reported as of: 29 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 Jun 2026, 16:26:54 UTC
Prior SEC filing: 03 Mar 2026
Next SEC filing: 12 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Marc Rosenbaum, attorney-in-fact

Key filing fact

Quentin S. Blackford filed Form 4 for iRhythm Holdings, Inc. (IRTC) on 01 Jun 2026.

Key facts

This page summarizes Quentin S. Blackford's Form 4 filing for iRhythm Holdings, Inc. (IRTC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 01 Jun 2026, 16:26.

Change

Previous filing in this sequence was filed on 03 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001612451 Primary reporting owner

Blackford Quentin S.

Relationship: President and CEO, Director
Address: C/O IRHYTHM HOLDINGS, INC., 699 8TH ST #600, SAN FRANCISCO
Signature: /s/ Marc Rosenbaum, attorney-in-fact
Signature date: 01 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IRTC transaction

Common Stock

Award

Transaction value
Shares: +178
Change %: +0.09%
Price: $96.82^*
Shares after: 204,333
Date: 29 May 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Mr. Blackford is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the Issuer's 2016 Employee Stock Purchase Plan for the purchase period December 1, 2025 through May 31, 2026. This transaction is exempt from Section 16(b) under Rule 16b-3.