iRhythm Holdings, Inc. (IRTC)

Data as of Sep 3, 2026, from SEC Form 4 filings.

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Latest IRTC insider trades

Daniel G. Wilson - Officer
Open-market sale$94K
Sep 2, 2026
Quentin S. Blackford - Officer

About iRhythm Holdings, Inc. (IRTC)

iRhythm Holdings Inc is a digital healthcare company that creates trusted solutions that detect, predict, and prevent disease. Its principal business is the design, development, and commercialization of device-based technology to provide ambulatory cardiac monitoring services that it believes allow clinicians to diagnose certain arrhythmias quicker and with greater efficiency than other services that rely on traditional technology. Each Zio System combines an FDA-cleared and CE-marked, wire-free, patch-based, 14-day wearable biosensor that continuously records electrocardiogram (ECG) data with a proprietary, FDA-cleared, CE-marked cloud-based data analytic software to help physicians monitor patients and diagnose arrhythmias.

Headquarters: San Francisco, CA
Employees: 2,400
Listed: 2016
Exchange: XNAS
Sector: Health Care

https://www.irhythmtech.com SEC filings for IRTC on EDGAR

IRTC Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market sale	9	59,724	$7.43M
Grant or award	5	99,007

Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.

IRTC insider transactions (Form 4)

83 Form 4 filings on record, the earliest from Nov 5, 2024, newest first. Filing history page 1 of 3.

Date	Insider	Transaction	Security	Shares	Price	Value
Sep 2, 2026	Daniel G. Wilson - Officer	Open-market sale	Common Stock	773^{footnote F1}	$121.83	$94K
Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).
Aug 7, 2026	Quentin S. Blackford - Officer	Grant or award	Common Stock	48,534^{footnote F1}	$0.00	-
Aug 10, 2026	Quentin S. Blackford - Officer	Open-market sale	Common Stock	26,859^{footnote F2}	$124.65	$3.35M
Footnote F1 (shares): Represents the acquisition of shares upon the determination of the Compensation & Human Capital Management Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance Restricted Stock Units ("RSUs") granted to the… Full note on SEC EDGAR Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of performance RSUs.
Aug 7, 2026	Patrick Michael Murphy - Officer	Grant or award	Common Stock	13,589^{footnote F1}	$0.00	-
Aug 10, 2026	Patrick Michael Murphy - Officer	Open-market sale	Common Stock	7,093^{footnote F2}	$124.65	$884K
Footnote F1 (shares): Represents the acquisition of shares upon the determination of the Compensation & Human Capital Management Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance Restricted Stock Units ("RSUs") granted to the… Full note on SEC EDGAR Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of performance RSUs.
Aug 7, 2026	Chad Patterson - Officer	Grant or award	Common Stock	13,589^{footnote F1}	$0.00	-
Aug 10, 2026	Chad Patterson - Officer	Open-market sale	Common Stock	7,093^{footnote F2}	$124.65	$884K
Footnote F1 (shares): Represents the acquisition of shares upon the determination of the Compensation & Human Capital Management Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance Restricted Stock Units ("RSUs") granted to the… Full note on SEC EDGAR Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of performance RSUs.
Aug 7, 2026	Sumi Shrishrimal - Officer	Grant or award	Common Stock	9,706^{footnote F1}	$0.00	-
Aug 10, 2026	Sumi Shrishrimal - Officer	Open-market sale	Common Stock	5,372^{footnote F2}	$124.65	$670K
Footnote F1 (shares): Represents the acquisition of shares upon the determination of the Compensation & Human Capital Management Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance Restricted Stock Units ("RSUs") granted to the… Full note on SEC EDGAR Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of performance RSUs.
Aug 7, 2026	Minang Turakhia - Officer	Grant or award	Common Stock	13,589^{footnote F1}	$0.00	-
Aug 10, 2026	Minang Turakhia - Officer	Open-market sale	Common Stock	7,093^{footnote F2}	$124.65	$884K
Footnote F1 (shares): Represents the acquisition of shares upon the determination of the Compensation & Human Capital Management Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance Restricted Stock Units ("RSUs") granted to the… Full note on SEC EDGAR Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of performance RSUs.
Aug 3, 2026	Mervin Smith - Officer	Open-market sale	Common Stock	617^{footnote F1}	$122.12	$75K
Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).
Aug 3, 2026	Julianne Rodda - Officer	Open-market sale	Common Stock	2,112^{footnote F1}	$122.12	$258K
Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).
Aug 3, 2026	Chad Patterson - Officer	Open-market sale	Common Stock	2,712^{footnote F1}	$122.12	$331K
Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).
Jul 2, 2026	Minang Turakhia - Officer	Open-market sale	Common Stock	1,423^{footnote F1}	$124.71	$177K
Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).
Jul 2, 2026	Sean Clinton Freeman - Officer	Open-market sale	Common Stock	918^{footnote F1}	$124.71	$114K
Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).
May 29, 2026	Sumi Shrishrimal - Officer	Grant or award	Common Stock	133^{footnote F1}	$96.82	$13K
Jun 2, 2026	Sumi Shrishrimal - Officer	Open-market sale	Common Stock	1,716^{footnote F2}	$108.19	$186K
Footnote F1 (shares): Ms. Shrishrimal 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… Full note on SEC EDGAR Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).
May 29, 2026	Marc Wade Rosenbaum - Officer	Grant or award	Common Stock	178^{footnote F1}	$96.82	$17K
Jun 2, 2026	Marc Wade Rosenbaum - Officer	Open-market sale	Common Stock	729^{footnote F2}	$108.19	$79K
Footnote F1 (shares): Mr. Rosenbaum 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. Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).
May 29, 2026	Minang Turakhia - Officer	Grant or award	Common Stock	137^{footnote F1}	$96.82	$13K
Footnote F1 (shares): Mr. Turakhia 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.
May 29, 2026	Chad Patterson - Officer	Grant or award	Common Stock	177^{footnote F1}	$96.82	$17K
Footnote F1 (shares): Mr. Patterson 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.
May 29, 2026	Sean Clinton Freeman - Officer	Grant or award	Common Stock	273^{footnote F1}	$96.82	$26K
Footnote F1 (shares): Mr. Freeman 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.
May 29, 2026	Quentin S. Blackford - Officer	Grant or award	Common Stock	178^{footnote F1}	$96.82	$17K
Footnote F1 (shares): 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.
May 27, 2026	Merz Cathleen Noel Bairey - Director	Grant or award	Common Stock	1,573^{footnote F1}	$0.00	-
Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.
May 27, 2026	Bruce G. Bodaken - Director	Grant or award	Common Stock	1,573^{footnote F1}	$0.00	-
Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.
May 27, 2026	Karen Ling - Director	Grant or award	Common Stock	1,573^{footnote F1}	$0.00	-
Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.
May 27, 2026	Karen K. McGinnis - Director	Grant or award	Common Stock	1,573^{footnote F1}	$0.00	-
Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.
May 27, 2026	Kevin C. Oboyle - Director	Grant or award	Common Stock	1,573^{footnote F1}	$0.00	-
Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.
May 27, 2026	Abhijit Y. Talwalkar - Director	Grant or award	Common Stock	1,573^{footnote F1}	$0.00	-
Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.
May 27, 2026	Brian B. Yoor - Director	Grant or award	Common Stock	1,573^{footnote F1}	$0.00	-
Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.
May 11, 2026	Abhijit Y. Talwalkar - Director	Open-market purchase	Common Stock	5,312^{footnote F1}	$10.71	$57K
May 11, 2026	Abhijit Y. Talwalkar - Director	Open-market sale	Common Stock	940^{footnote F1}	$116.05^{footnote F2}	$109K
May 11, 2026	Abhijit Y. Talwalkar - Director	Open-market sale	Common Stock	642^{footnote F1}	$116.98^{footnote F3}	$75K
May 11, 2026	Abhijit Y. Talwalkar - Director	Open-market sale	Common Stock	2,293^{footnote F1}	$118.02^{footnote F4}	$271K
May 11, 2026	Abhijit Y. Talwalkar - Director	Open-market sale	Common Stock	1,147^{footnote F1}	$119.16^{footnote F5}	$137K
May 11, 2026	Abhijit Y. Talwalkar - Director	Open-market sale	Common Stock	290^{footnote F1}	$120.53	$35K
May 11, 2026	Abhijit Y. Talwalkar - Director	Option exercise	Employee Stock Option (right to buy)	5,312	$10.71	$57K
Footnote F1 (shares): All transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan established by Mr. Talwalkar on May 12, 2025. Footnote F2 (price): Represents the weighted-average sale price per share of a series of transactions, all of which were executed on May 11, 2026. The actual sale prices ranged from a low of $115.61 to a high of $116.61, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff… Full note on SEC EDGAR Footnote F3 (price): Represents the weighted-average sale price per share of a series of transactions, all of which were executed on May 11, 2026. The actual sale prices ranged from a low of $116.62 to a high of $117.31, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff… Full note on SEC EDGAR Footnote F4 (price): Represents the weighted-average sale price per share of a series of transactions, all of which were executed on May 11, 2026. The actual sale prices ranged from a low of $117.68 to a high of $118.45, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff… Full note on SEC EDGAR Footnote F5 (price): Represents the weighted-average sale price per share of a series of transactions, all of which were executed on May 11, 2026. The actual sale prices ranged from a low of $118.70 to a high of $119.63, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff… Full note on SEC EDGAR
May 4, 2026	Brian Lee Lawrence - Officer	Open-market sale	Common Stock	1,014^{footnote F1}	$120.80	$122K
Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).
Mar 12, 2026	Jason H. Patten - Director	Grant or award	Common Stock	2,218^{footnote F1}	$0.00	-
Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. 33.33% of the RSUs vest on March 12, 2027 and each one-year anniversary thereafter, subject to the Reporting Person continuing as a… Full note on SEC EDGAR
Mar 16, 2026	Mervin Smith - Officer	Open-market sale	Common Stock	2,585^{footnote F1}	$114.30	$295K
Footnote F1 (shares): The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan established by the reporting person on November 19, 2025.
Mar 2, 2026	Minang Turakhia - Officer	Open-market sale	Common Stock	1,487^{footnote F1}	$128.45	$191K
Mar 2, 2026	Minang Turakhia - Officer	Open-market sale	Common Stock	1,310^{footnote F1}	$128.45	$168K
Mar 2, 2026	Minang Turakhia - Officer	Open-market sale	Common Stock	1,230^{footnote F1}	$128.45	$158K
Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).
Mar 2, 2026	Sumi Shrishrimal - Officer	Open-market sale	Common Stock	978^{footnote F1}	$128.44	$126K
Mar 2, 2026	Sumi Shrishrimal - Officer	Open-market sale	Common Stock	946^{footnote F1}	$128.44	$122K
Mar 2, 2026	Sumi Shrishrimal - Officer	Open-market sale	Common Stock	906^{footnote F1}	$128.44	$116K
Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

Recent IRTC Form 8-K filings

Read IRTC company news

Oct 5, 2026Item 7.01, 9.01

Read the filing on SEC EDGAR

Sep 22, 2026Item 7.01

Read the filing on SEC EDGAR

Aug 13, 2026Item 5.02

Read the filing on SEC EDGAR

Aug 6, 2026Item 1.01, 3.02, 9.01

Read the filing on SEC EDGAR

Recent IRTC Form 144 notices of proposed sale

An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.

Filed	Filer	Relationship	Shares	Market value	Notice
May 11, 2026	-	-	-	-	View on EDGAR

IRTC insider trading FAQ

What is the latest insider trade for IRTC?

iRhythm Holdings, Inc. (IRTC) had 9 insider filings in the last 90 days, with the most recent on 2026-09-03. The full record for IRTC runs to 83 Form 4 filings, the earliest from 2024-11-05. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying IRTC stock?

No insider purchases of IRTC were filed in the last 90 days. 2 purchases are on record for this company.

How many insiders are selling IRTC stock?

9 insider sales of IRTC were filed in the last 90 days, totaling $7.43M.

Where can I see IRTC SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects IRTC Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Health Care companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Sep 3, 2026 - Daniel G. Wilson view on EDGAR
Aug 11, 2026 - Quentin S. Blackford view on EDGAR
Aug 11, 2026 - Patrick Michael Murphy view on EDGAR
Aug 11, 2026 - Chad Patterson view on EDGAR
Aug 11, 2026 - Sumi Shrishrimal view on EDGAR
Aug 11, 2026 - Minang Turakhia view on EDGAR
Aug 4, 2026 - Mervin Smith view on EDGAR
Aug 4, 2026 - Julianne Rodda view on EDGAR
Aug 4, 2026 - Chad Patterson view on EDGAR

Related companies with recent insider activity

Learn more

Insider selling: signal or noise?: Why most insider sales are routine, and the few patterns worth a second look.
Form 144 vs Form 4: A Form 144 announces a planned sale; the Form 4 reports it after it happens.
Insider activity in Health Care: Where IRTC's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Open-market sale

59,724

$7.43M

Grant or award

99,007

Date

Insider

Transaction

Security

Price

Value

Sep 2, 2026

Daniel G. Wilson - Officer

Open-market sale

Common Stock

773^{footnote F1}

$121.83

$94K

Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

Aug 7, 2026

Quentin S. Blackford - Officer

Grant or award

Common Stock

48,534^{footnote F1}

$0.00

Aug 10, 2026

Quentin S. Blackford - Officer

Open-market sale

Common Stock

26,859^{footnote F2}

$124.65

$3.35M

Footnote F1 (shares): Represents the acquisition of shares upon the determination of the Compensation & Human Capital Management Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance Restricted Stock Units ("RSUs") granted to the… Full note on SEC EDGAR
Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of performance RSUs.

Aug 7, 2026

Patrick Michael Murphy - Officer

Grant or award

Common Stock

13,589^{footnote F1}

$0.00

Aug 10, 2026

Patrick Michael Murphy - Officer

Open-market sale

Common Stock

7,093^{footnote F2}

$124.65

$884K

Footnote F1 (shares): Represents the acquisition of shares upon the determination of the Compensation & Human Capital Management Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance Restricted Stock Units ("RSUs") granted to the… Full note on SEC EDGAR
Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of performance RSUs.

Aug 7, 2026

Chad Patterson - Officer

Grant or award

Common Stock

13,589^{footnote F1}

$0.00

Aug 10, 2026

Chad Patterson - Officer

Open-market sale

Common Stock

7,093^{footnote F2}

$124.65

$884K

Footnote F1 (shares): Represents the acquisition of shares upon the determination of the Compensation & Human Capital Management Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance Restricted Stock Units ("RSUs") granted to the… Full note on SEC EDGAR
Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of performance RSUs.

Aug 7, 2026

Sumi Shrishrimal - Officer

Grant or award

Common Stock

9,706^{footnote F1}

$0.00

Aug 10, 2026

Sumi Shrishrimal - Officer

Open-market sale

Common Stock

5,372^{footnote F2}

$124.65

$670K

Footnote F1 (shares): Represents the acquisition of shares upon the determination of the Compensation & Human Capital Management Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance Restricted Stock Units ("RSUs") granted to the… Full note on SEC EDGAR
Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of performance RSUs.

Aug 7, 2026

Minang Turakhia - Officer

Grant or award

Common Stock

13,589^{footnote F1}

$0.00

Aug 10, 2026

Minang Turakhia - Officer

Open-market sale

Common Stock

7,093^{footnote F2}

$124.65

$884K

Footnote F1 (shares): Represents the acquisition of shares upon the determination of the Compensation & Human Capital Management Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance Restricted Stock Units ("RSUs") granted to the… Full note on SEC EDGAR
Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of performance RSUs.

Aug 3, 2026

Mervin Smith - Officer

Open-market sale

Common Stock

617^{footnote F1}

$122.12

$75K

Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

Aug 3, 2026

Julianne Rodda - Officer

Open-market sale

Common Stock

2,112^{footnote F1}

$122.12

$258K

Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

Aug 3, 2026

Chad Patterson - Officer

Open-market sale

Common Stock

2,712^{footnote F1}

$122.12

$331K

Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

Jul 2, 2026

Minang Turakhia - Officer

Open-market sale

Common Stock

1,423^{footnote F1}

$124.71

$177K

Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

Jul 2, 2026

Sean Clinton Freeman - Officer

Open-market sale

Common Stock

918^{footnote F1}

$124.71

$114K

Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

May 29, 2026

Sumi Shrishrimal - Officer

Grant or award

Common Stock

133^{footnote F1}

$96.82

$13K

Jun 2, 2026

Sumi Shrishrimal - Officer

Open-market sale

Common Stock

1,716^{footnote F2}

$108.19

$186K

Footnote F1 (shares): Ms. Shrishrimal 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… Full note on SEC EDGAR
Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

May 29, 2026

Marc Wade Rosenbaum - Officer

Grant or award

Common Stock

178^{footnote F1}

$96.82

$17K

Jun 2, 2026

Marc Wade Rosenbaum - Officer

Open-market sale

Common Stock

729^{footnote F2}

$108.19

$79K

Footnote F1 (shares): Mr. Rosenbaum 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.
Footnote F2 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

May 29, 2026

Minang Turakhia - Officer

Grant or award

Common Stock

137^{footnote F1}

$96.82

$13K

Footnote F1 (shares): Mr. Turakhia 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.

May 29, 2026

Chad Patterson - Officer

Grant or award

Common Stock

177^{footnote F1}

$96.82

$17K

Footnote F1 (shares): Mr. Patterson 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.

May 29, 2026

Sean Clinton Freeman - Officer

Grant or award

Common Stock

273^{footnote F1}

$96.82

$26K

Footnote F1 (shares): Mr. Freeman 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.

May 29, 2026

Quentin S. Blackford - Officer

Grant or award

Common Stock

178^{footnote F1}

$96.82

$17K

Footnote F1 (shares): 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.

May 27, 2026

Merz Cathleen Noel Bairey - Director

Grant or award

Common Stock

1,573^{footnote F1}

$0.00

Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.

May 27, 2026

Bruce G. Bodaken - Director

Grant or award

Common Stock

1,573^{footnote F1}

$0.00

Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.

May 27, 2026

Karen Ling - Director

Grant or award

Common Stock

1,573^{footnote F1}

$0.00

Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.

May 27, 2026

Karen K. McGinnis - Director

Grant or award

Common Stock

1,573^{footnote F1}

$0.00

Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.

May 27, 2026

Kevin C. Oboyle - Director

Grant or award

Common Stock

1,573^{footnote F1}

$0.00

Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.

May 27, 2026

Abhijit Y. Talwalkar - Director

Grant or award

Common Stock

1,573^{footnote F1}

$0.00

Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.

May 27, 2026

Brian B. Yoor - Director

Grant or award

Common Stock

1,573^{footnote F1}

$0.00

Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of IRTC Common Stock. The vesting occurs on the earlier of (i) one year after grant or the (ii) the date of the company's next annual meeting.

May 11, 2026

Abhijit Y. Talwalkar - Director

Open-market purchase

Common Stock

5,312^{footnote F1}

$10.71

$57K

May 11, 2026

Abhijit Y. Talwalkar - Director

Open-market sale

Common Stock

940^{footnote F1}

$116.05^{footnote F2}

$109K

May 11, 2026

Abhijit Y. Talwalkar - Director

Open-market sale

Common Stock

642^{footnote F1}

$116.98^{footnote F3}

$75K

May 11, 2026

Abhijit Y. Talwalkar - Director

Open-market sale

Common Stock

2,293^{footnote F1}

$118.02^{footnote F4}

$271K

May 11, 2026

Abhijit Y. Talwalkar - Director

Open-market sale

Common Stock

1,147^{footnote F1}

$119.16^{footnote F5}

$137K

May 11, 2026

Abhijit Y. Talwalkar - Director

Open-market sale

Common Stock

290^{footnote F1}

$120.53

$35K

May 11, 2026

Abhijit Y. Talwalkar - Director

Option exercise

Employee Stock Option (right to buy)

5,312

$10.71

$57K

Footnote F1 (shares): All transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan established by Mr. Talwalkar on May 12, 2025.
Footnote F2 (price): Represents the weighted-average sale price per share of a series of transactions, all of which were executed on May 11, 2026. The actual sale prices ranged from a low of $115.61 to a high of $116.61, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff… Full note on SEC EDGAR
Footnote F3 (price): Represents the weighted-average sale price per share of a series of transactions, all of which were executed on May 11, 2026. The actual sale prices ranged from a low of $116.62 to a high of $117.31, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff… Full note on SEC EDGAR
Footnote F4 (price): Represents the weighted-average sale price per share of a series of transactions, all of which were executed on May 11, 2026. The actual sale prices ranged from a low of $117.68 to a high of $118.45, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff… Full note on SEC EDGAR
Footnote F5 (price): Represents the weighted-average sale price per share of a series of transactions, all of which were executed on May 11, 2026. The actual sale prices ranged from a low of $118.70 to a high of $119.63, inclusive. Mr. Talwalkar undertakes to provide upon request of the SEC staff… Full note on SEC EDGAR

May 4, 2026

Brian Lee Lawrence - Officer

Open-market sale

Common Stock

1,014^{footnote F1}

$120.80

$122K

Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

Mar 12, 2026

Jason H. Patten - Director

Grant or award

Common Stock

2,218^{footnote F1}

$0.00

Footnote F1 (shares): These securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. 33.33% of the RSUs vest on March 12, 2027 and each one-year anniversary thereafter, subject to the Reporting Person continuing as a… Full note on SEC EDGAR

Mar 16, 2026

Mervin Smith - Officer

Open-market sale

Common Stock

2,585^{footnote F1}

$114.30

$295K

Footnote F1 (shares): The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan established by the reporting person on November 19, 2025.

Mar 2, 2026

Minang Turakhia - Officer

Open-market sale

Common Stock

1,487^{footnote F1}

$128.45

$191K

Mar 2, 2026

Minang Turakhia - Officer

Open-market sale

Common Stock

1,310^{footnote F1}

$128.45

$168K

Mar 2, 2026

Minang Turakhia - Officer

Open-market sale

Common Stock

1,230^{footnote F1}

$128.45

$158K

Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

Mar 2, 2026

Sumi Shrishrimal - Officer

Open-market sale

Common Stock

978^{footnote F1}

$128.44

$126K

Mar 2, 2026

Sumi Shrishrimal - Officer

Open-market sale

Common Stock

946^{footnote F1}

$128.44

$122K

Mar 2, 2026

Sumi Shrishrimal - Officer

Open-market sale

Common Stock

906^{footnote F1}

$128.44

$116K

Footnote F1 (shares): These shares were sold to cover tax withholding and remittance obligations in connection with the vesting of Restricted Stock Units (RSUs).

Filed

Filer

Relationship

Market value

Notice

May 11, 2026

View on EDGAR