Data spanning the past 90 days through February 19, 2026 reveals that iRhythm Holdings's three principal insider shareholders consist of Director Kevin M King (250.42K shares), President And Ceo Quentin S. Blackford (164.98K shares), Chief Technology Officer Mark J. Day (61.16K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Kevin M King | 250,422 | 08 Mar, 2022 | |
| Quentin S. Blackford | President And Ceo | 164,979 | 04 Nov, 2025 |
| Mark J. Day | Chief Technology Officer | 61,164 | 05 Mar, 2024 |
| Patrick Michael Murphy | Cbo And Clo | 53,281 | 03 Dec, 2025 |
| Chad Patterson | Chief Comm & Product Officer | 43,387 | 03 Dec, 2025 |
| Minang Turakhia | Chief Med/Sci Ofcr Evp Advtech | 41,643 | 02 Dec, 2025 |
| Sumi Shrishrimal | Evp And Chief Risk Officer | 34,105 | 02 Dec, 2025 |
| Douglas Devine | Chief Operating Officer | 29,566 | 07 Mar, 2023 |
| David A Vort | Chief Commercial Officer | 27,952 | 08 Mar, 2022 |
| Daniel G. Wilson | Chief Financial Officer | 26,470 | 03 Nov, 2025 |
| Brice Bobzien | Chief Financial Officer | 24,428 | 12 Aug, 2024 |
| Abhijit Y Talwalkar | 20,299 | 12 Nov, 2025 | |
| Mervin Smith | Evp Strategic Business Ops | 15,838 | 05 Aug, 2025 |
| Reyna M Fernandez | Evp And Chief Hr Officer | 14,615 | 01 Mar, 2023 |
| Brian Lee Lawrence | Chief Technology Officer | 14,479 | 06 May, 2025 |
| Mark J Rubash | 13,788 | 29 May, 2025 | |
| Ralph Snyderman | 13,288 | 29 May, 2025 | |
| Bruce G. Bodaken | 12,638 | 29 May, 2025 | |
| Marc Wade Rosenbaum | Chief Accounting Officer | 10,881 | 02 Dec, 2025 |
| Karen Ling | 9,568 | 29 May, 2025 | |
| Merz Cathleen Noel Bairey | 8,973 | 29 May, 2025 | |
| Sean Clinton Freeman | Evp And Strategy & Corp Devt | 6,761 | 02 Jul, 2025 |
| Brian B Yoor | 5,598 | 29 May, 2025 | |
| Renee Varni Budig | 5,297 | 31 May, 2022 | |
| Raymond W. Scott | 5,046 | 22 Jun, 2021 | |
| Mojdeh Poul | 4,240 | 03 Jun, 2024 | |
| Kevin C Oboyle | 2,035 | 08 Jul, 2025 | |
| Karen K Mcginnis | 2,035 | 08 Jul, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Dec, 2025 | Patrick Michael Murphy | Common Stock | D | 2,478 | $184.83 | 53,281 | D | S |
| 02 Dec, 2025 | Chad Patterson | Common Stock | D | 280 | $184.83 | 43,387 | D | S |
| 28 Nov, 2025 | Sumi Shrishrimal | Common Stock | A | 73 | $119.55 | 34,105 | D | A |
| 28 Nov, 2025 | Marc Wade Rosenbaum | Common Stock | A | 2 | $119.55 | 10,881 | D | A |
| 28 Nov, 2025 | Minang Turakhia | Common Stock | A | 250 | $74.72 | 41,643 | D | A |
| 10 Nov, 2025 | Abhijit Y Talwalkar | Common Stock | D | 222 | $172.82 | 23,910 | D | S |
| 10 Nov, 2025 | Abhijit Y Talwalkar | Common Stock | D | 1,585 | $174.38 | 22,325 | D | S |
| 10 Nov, 2025 | Abhijit Y Talwalkar | Common Stock | D | 637 | $175.96 | 20,388 | D | S |
| 10 Nov, 2025 | Abhijit Y Talwalkar | Common Stock | D | 89 | $177.85 | 20,299 | D | S |
| 10 Nov, 2025 | Abhijit Y Talwalkar | Common Stock | D | 1,479 | $172.32 | 24,132 | D | S |
| 10 Nov, 2025 | Abhijit Y Talwalkar | Common Stock | A | 5,312 | $10.71 | 25,611 | D | M |
| 10 Nov, 2025 | Abhijit Y Talwalkar | Common Stock | D | 1,300 | $174.94 | 21,025 | D | S |
| 03 Nov, 2025 | Quentin S. Blackford | Common Stock | D | 14,059 | $182.94 | 164,979 | D | S |
| 31 Oct, 2025 | Daniel G. Wilson | Common Stock | D | 8,000 | $207.44 | 26,470 | D | S |
| 03 Sep, 2025 | Daniel G. Wilson | Common Stock | D | 5,000 | $175.00 | 34,470 | D | S |
| 02 Sep, 2025 | Daniel G. Wilson | Common Stock | D | 737 | $167.28 | 39,470 | D | S |
| 22 Aug, 2025 | Sumi Shrishrimal | Common Stock | D | 653 | $167.12 | 34,032 | D | S |
| 11 Aug, 2025 | Abhijit Y Talwalkar | Common Stock | D | 2,129 | $158.68 | 20,299 | D | S |
| 11 Aug, 2025 | Abhijit Y Talwalkar | Common Stock | D | 3,183 | $157.57 | 22,428 | D | S |
| 11 Aug, 2025 | Abhijit Y Talwalkar | Common Stock | A | 5,312 | $10.71 | 25,611 | D | M |