Nutex Health CMO granted 1,936 RSUs and withholds shares

Nutex Health Inc. Chief Medical Officer Michael L. Chang reported equity compensation and related tax withholding transactions.

Rhea-AI Filing Summary

Nutex Health Inc. Chief Medical Officer Michael L. Chang reported equity compensation and related tax withholding transactions. On March 10, 2026, he was granted 1,936 restricted stock units (RSUs), which will vest in three equal installments on March 1, 2027, March 1, 2028, and March 1, 2029. A related entry shows 2,084 common shares issued subsequent to vesting, with 769 shares delivered to cover tax withholding obligations at an indicated value of $86.2224 per share, a non‑market disposition that does not represent an open‑market sale. Following these transactions, Michael Chang PLLC directly holds 82,356 common shares, and Dr. Chang directly owns an additional 984 shares, reflecting ongoing equity alignment through both direct and indirect holdings.

Insider Trade Summary

1,936 shares exercised/converted

Exercise 3 txns

Insider Chang Michael L.

Role Chief Medical Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	1,936	$0.00	$0.00
Exercise	Common Stock	2,084	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	769	$86.2224	$66K

Holdings After Transaction: Restricted Stock Units — 5,621 contracts (Direct); Common Stock — 82,356 shares (Indirect, See note (3))

Footnotes (4)

1. F1. Restricted stock units convert into common stock on a one-for-one basis.
2. F2. Of the 2,084 shares issued subsequent to vesting, 769 shares were sold to cover tax withholding obligations.
3. F3. Michael Chang PLLC ("CHANG") is the direct beneficial owner of 82,356 shares of Common Stock. Dr. Chang as the 100% owner and sole manager of CHANG, is an indirect beneficial owner of such shares. Dr. Chang is the direct owner of 984 shares.
4. F4. On March 10, 2026, the Reporting Person was granted 1,936 RSUs, which vest in three equal installments on March 1, 2027, March 1, 2028, and March 1, 2029.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Nutex Health (NUTX) report for Michael L. Chang?

Michael L. Chang reported an RSU grant and tax withholding activity. He received 1,936 restricted stock units and had 2,084 common shares issued after vesting, with 769 of those shares used to satisfy tax withholding obligations.

How many restricted stock units did Nutex Health (NUTX) grant to Michael L. Chang?

Nutex Health granted Michael L. Chang 1,936 restricted stock units. According to the disclosure, these RSUs vest in three equal installments on March 1, 2027, March 1, 2028, and March 1, 2029, aligning his compensation with longer-term company performance.

How were taxes handled on Michael L. Chang’s Nutex Health (NUTX) share issuance?

Taxes were covered through a share withholding mechanism. Of the 2,084 common shares issued subsequent to vesting, 769 shares were delivered to satisfy tax withholding obligations at an indicated value of $86.2224 per share, rather than being sold on the open market.

What are Michael L. Chang’s reported Nutex Health (NUTX) share holdings after these transactions?

Michael Chang PLLC holds 82,356 Nutex Health common shares. Dr. Chang, as 100% owner and sole manager of the PLLC, is an indirect beneficial owner of those shares and also directly holds an additional 984 common shares in his own name.

Do Michael L. Chang’s Nutex Health (NUTX) Form 4 transactions indicate an open-market sale?

The disclosed disposition reflects tax withholding, not an open-market sale. The 769 Nutex Health shares were used to cover tax obligations related to share issuance, which is a common, non-discretionary mechanism in equity compensation plans.

When will Michael L. Chang’s Nutex Health (NUTX) RSUs vest?

The 1,936 Nutex Health RSUs vest over three years. They vest in three equal installments on March 1, 2027, March 1, 2028, and March 1, 2029, creating a staggered schedule that ties compensation to multi-year company performance.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/11/2026 - 05:36 PM Learn about SEC filing dates

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).

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^*

Chang Michael L.

(Last) (First) (Middle)

1776 YORKTOWN STREET

SUITE 700

(Street)

HOUSTON TX 77056

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Nutex Health Inc. [ NUTX ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/09/2026

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	03/10/2026		M		2,084(1)	A	$0(1)	83,125	I	See note (3)(3)
Common Stock	03/10/2026		F		769(2)	D	$86.2224	82,356	I	See note (3)(3)

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
Restricted Stock Units	$0(1)	03/10/2026		M		1,936(1)		03/01/2027(4)	03/01/2029(4)	Common Stock	1,936	$0	5,621	D

Explanation of Responses:

1. Restricted stock units convert into common stock on a one-for-one basis.

2. Of the 2,084 shares issued subsequent to vesting, 769 shares were sold to cover tax withholding obligations.

3. Michael Chang PLLC ("CHANG") is the direct beneficial owner of 82,356 shares of Common Stock. Dr. Chang as the 100% owner and sole manager of CHANG, is an indirect beneficial owner of such shares. Dr. Chang is the direct owner of 984 shares.

4. On March 10, 2026, the Reporting Person was granted 1,936 RSUs, which vest in three equal installments on March 1, 2027, March 1, 2028, and March 1, 2029.

	/s/ Michael Chang	03/11/2026
	** 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.