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iRhythm (IRTC) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET

Updated Oct 15, 2026, 4:00 PM ET

What changed since yesterday

IRTC jumps 3.1% to $109.35. Closed at $109.35, +3.11% vs the prior close of $106.05. Day range $106.21–$109.45, opened at $106.21.

Last close$109.35+3.11%
Day range106.21–109.45
Open106.21
Volume371.40K
52-week range100.70–212.00
Avg volume (20d)503.69K

IRTC daily analysis — what happened

A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.

Oct 15, 2026 — IRTC jumps 3.1% to $109.35
Oct 14, 2026 — IRTC dips 1.5% to $106.05
Oct 13, 2026 — IRTC rises 1.0% to $107.71
Oct 12, 2026 — IRTC ends flat (-0.0%) to $106.68
Oct 9, 2026 — IRTC jumps 4.0% to $106.70
Oct 8, 2026 — IRTC dips 2.3% to $102.60, a 3-month low, 7 down days in a row
Oct 7, 2026 — IRTC dips 2.1% to $104.99, a 3-month low, 6 down days in a row
Oct 6, 2026 — IRTC dips 1.7% to $107.20, a 1-month low, 5 down days in a row
Oct 5, 2026 — IRTC dips 1.2% to $109.09, a 1-month low, 4 down days in a row
Oct 2, 2026 — IRTC dips 0.6% to $110.37, 3 down days in a row

IRTC latest news & SEC filings

Every SEC filing by or about IRTC in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.

Oct 13, 2026 · SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001104659-26-115591

Oct 5, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001388658-26-000083

Sep 22, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001388658-26-000080

Sep 3, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001860745-26-000008

Aug 14, 2026 · SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001493215-26-000149

Aug 13, 2026 · SCHEDULE 13G — Passive stake (13G)

Passive stake (13G) — an investor reported owning more than 5%

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001193125-26-349322

Aug 13, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001388658-26-000076

Aug 11, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001612451-26-000012

Aug 11, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001692785-26-000009

Aug 11, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001850152-26-000012

Aug 11, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001850687-26-000010

Aug 11, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001932682-26-000012

Aug 6, 2026 · 10-Q — Quarterly report (unaudited financial statements for the quarter)

Quarterly report (unaudited financial statements for the quarter)

Quarter ended Jun 30, 2026:

Source: SEC EDGAR filing 0001388658-26-000072

Aug 6, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001388658-26-000071

Aug 6, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

This is a results-day filing: the earnings press release is attached as an exhibit.

Source: SEC EDGAR filing 0001388658-26-000070

Things to know before you trade IRTC

IRTC market data (last 20 sessions)

DateOpenHighLowCloseVolume
Oct 15, 2026106.21109.45106.21109.35371.40K
Oct 14, 2026106.57107.35104.52106.05482.60K
Oct 13, 2026106.84108.02104.66107.71482.00K
Oct 12, 2026107.12107.28105.25106.68384.40K
Oct 9, 2026102.38107.53102.38106.70516.50K
Oct 8, 2026104.41104.41100.70102.60668.30K
Oct 7, 2026105.97108.01104.70104.99450.30K
Oct 6, 2026109.53111.22106.01107.20418.00K
Oct 5, 2026110.20111.37106.77109.09626.30K
Oct 2, 2026112.05112.05109.27110.37350.10K
Oct 1, 2026114.53114.53110.01111.05374.00K
Sep 30, 2026114.51114.75112.19113.66339.80K
Sep 29, 2026113.00114.84109.55114.22443.30K
Sep 28, 2026110.38112.95109.18112.60454.70K
Sep 25, 2026110.74111.46108.97110.38521.90K
Sep 24, 2026111.57112.08109.50110.80488.50K
Sep 23, 2026111.01117.03111.00111.751.23M
Sep 22, 2026111.64112.20109.65110.53402.80K
Sep 21, 2026109.22111.38107.92110.38385.10K
Sep 18, 2026112.05112.46108.58109.33687.90K

About iRhythm

iRhythm (IRTC) is listed on the Nasdaq and classified by the SEC under “Surgical & Medical Instruments & Apparatus”. Its business address is in San Francisco, CA. Fiscal year ends December 31. SEC CIK 1388658.

IRTC board of directors & executives

From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).

Directors

NameRoleLatest filing
Merz Cathleen Noel BaireyDirectorMay 29, 2026
Quentin S. BlackfordPresident and CEOAug 11, 2026
Bruce G. BodakenDirectorMay 29, 2026
Karen LingDirectorMay 29, 2026
Karen K McginnisDirectorMay 29, 2026
Kevin C OboyleDirectorMay 29, 2026
Jason H PattenDirectorMar 19, 2026
Abhijit Y TalwalkarDirectorMay 29, 2026
Brian B YoorDirectorMay 29, 2026

Executive officers

NameTitleLatest filing
Quentin S. BlackfordPresident and CEOAug 11, 2026
Sean Clinton FreemanEVP, Strategy & Corp DevtJul 6, 2026
Brian Lee LawrenceChief Technology OfficerMay 5, 2026
Patrick Michael MurphyCBO and CLOAug 11, 2026
Chad PattersonCHIEF COMM & PRODUCT OFFICERAug 11, 2026
Julianne RoddaEVP, CHIEF PEOPLE OFFICERAug 4, 2026
Marc Wade RosenbaumChief Accounting OfficerJun 3, 2026
Sumi ShrishrimalEVP, Chief Risk OfficerAug 11, 2026
Mervin SmithEVP Strategic Business OpsAug 4, 2026
Minang TurakhiaCHIEF MED/SCI OFCR EVP ADVTECHAug 11, 2026
Daniel G. WilsonChief Financial OfficerSep 3, 2026

Recent insider buys & sales

DateInsiderTypeSharesPrice
Sep 2, 2026Daniel G. WilsonSale773$121.83
Aug 10, 2026Patrick Michael MurphySale7,093$124.65
Aug 10, 2026Quentin S. BlackfordSale26,859$124.65
Aug 10, 2026Sumi ShrishrimalSale5,372$124.65
Aug 10, 2026Minang TurakhiaSale7,093$124.65
Aug 10, 2026Chad PattersonSale7,093$124.65
Aug 3, 2026Mervin SmithSale617$122.12
Aug 3, 2026Chad PattersonSale2,712$122.12
Aug 3, 2026Julianne RoddaSale2,112$122.12
Jul 2, 2026Sean Clinton FreemanSale918$124.71
Jul 2, 2026Minang TurakhiaSale1,423$124.71
Jun 2, 2026Marc Wade RosenbaumSale729$108.19
Jun 2, 2026Sumi ShrishrimalSale1,716$108.19
May 11, 2026Abhijit Y TalwalkarSale642$116.98
May 11, 2026Abhijit Y TalwalkarSale1,147$119.16

IRTC financials (annual, from XBRL filings)

Fiscal year endRevenueNet incomeDiluted EPSOperating cash flow
Dec 31, 2025$747.14M$-44.55M-1.39$80.86M
Dec 31, 2024$591.84M$-113.29M-3.63$3.39M
Dec 31, 2023$492.68M$-123.41M-4.04$-50.10M
Dec 31, 2022$410.92M$-116.16M-3.88$-23.01M
Dec 31, 2021$322.82M$-101.36M-3.46$-37.75M

Latest balance sheet: total assets $1.09B, total liabilities $907.44M, cash $246.68M (as of Jun 30, 2026).

IRTC earnings / results-day log

DateFilingClose that day
Aug 6, 20268-K Item 2.02 (results)$128.12
Apr 30, 20268-K Item 2.02 (results)$129.16
Feb 19, 20268-K Item 2.02 (results)$158.88
Oct 30, 20258-K Item 2.02 (results)$184.12
Jul 31, 20258-K Item 2.02 (results)$140.18
Feb 20, 20258-K Item 2.02 (results)$112.67
Oct 30, 20248-K Item 2.02 (results)$75.77
Aug 1, 20248-K Item 2.02 (results)—
May 2, 20248-K Item 2.02 (results)—
Feb 22, 20248-K Item 2.02 (results)—
Nov 2, 20238-K Item 2.02 (results)—
Aug 3, 20238-K Item 2.02 (results)—

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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 15, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.