IRTC insider sale: CFO Wilson disposes 5,000 shares under 10b5-1

Rhea-AI Filing Summary

Daniel G. Wilson, Chief Financial Officer of iRhythm Technologies (IRTC), reported a sale of common stock executed under a Rule 10b5-1 trading plan. On 09/03/2025 Mr. Wilson disposed of 5,000 shares at $175 per share. After this transaction he beneficially owned 34,470 shares directly and an additional 100 shares indirectly through The Wilson Living Trust dated July 9, 2015, of which he is Trustee. The Form 4 was signed by an attorney-in-fact on 09/04/2025 and notes the 10b5-1 plan was established November 14, 2024.

Positive

• Transaction executed under a Rule 10b5-1 plan, providing an affirmative defense to insider trading claims
• Clear disclosure of post-transaction beneficial ownership: 34,470 shares direct and 100 shares indirect through a trust

Negative

• Insider disposition of 5,000 shares on 09/03/2025 at $175 per share
• Sale reduces the reporting person's direct shareholding (from prior level to 34,470 shares)

Insights

Financial Analyst

TL;DR: Routine insider sale under a 10b5-1 plan; disclosure shows remaining direct and indirect holdings.

The Form 4 documents a single non-derivative disposition of 5,000 shares at $175 on 09/03/2025, executed pursuant to a pre-established Rule 10b5-1 plan (established 11/14/2024). Post-transaction beneficial ownership is disclosed as 34,470 shares direct and 100 shares indirect via a family trust. This filing provides clear transactional detail and confirms compliance with a trading plan, but does not include any derivative activity or other material corporate events.

Corporate Governance Expert

TL;DR: Disclosure aligns with Section 16 reporting and shows 10b5-1 use and trustee-held indirect ownership.

The filing identifies Mr. Wilson as an officer (CFO) and reports the sale was effected under a Rule 10b5-1 trading plan, which is explicitly disclosed as established 11/14/2024. It also specifies indirect ownership through The Wilson Living Trust (100 shares). The Form 4 appears complete for the reported transactions and includes attorney-in-fact signature, satisfying standard Section 16 transparency requirements.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Wilson Daniel G.

(Last) (First) (Middle)

C/O IRHYTHM TECHNOLOGIES, INC.

699 8TH ST #600

(Street)

SAN FRANCISCO CA 94103

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
iRhythm Technologies, Inc. [ IRTC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
09/03/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/03/2025	09/03/2025	S		5,000(1)	D	$175	34,470	D
Common Stock								100(2)	I	Held through a Family Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan established by Mr. Wilson on November 14, 2024.

2. These shares represent an indirect ownership through The Wilson Living Trust dated July 9, 2015, of which Mr. Wilson is the Trustee.

Remarks:

	/s/ Marc Rosenbaum, attorney-in-fact	09/04/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did iRhythm (IRTC) CFO Daniel Wilson report on Form 4?

He reported a sale of 5,000 common shares on 09/03/2025 at $175 per share, executed under a Rule 10b5-1 trading plan.

Was the sale by Daniel Wilson part of a 10b5-1 trading plan?

Yes. The Form 4 states the sale was effected pursuant to a Rule 10b5-1 plan established by Mr. Wilson on November 14, 2024.

How many shares does Daniel Wilson beneficially own after the reported transaction?

He beneficially owns 34,470 shares directly and 100 shares indirectly through The Wilson Living Trust dated July 9, 2015.

Who signed the Form 4 filing for Daniel Wilson?

The form was signed by Marc Rosenbaum, attorney-in-fact, on 09/04/2025.

Does the filing report any derivative transactions or other securities activity?

No. The Form 4 lists only a non-derivative disposition of common stock and indicates no derivative securities were reported.