Rockwell Medical (RMTI) SVP Chole reports 2,444-share tax withholding on RSU vesting

Rhea-AI Filing Summary

ROCKWELL MEDICAL, INC. senior vice president and chief commercial officer Timothy Chole reported a routine tax-related share disposition. On the vesting of restricted stock units, 2,444 shares of common stock were withheld at $0.90 per share to cover estimated tax obligations. Following this withholding, he directly holds 122,855 shares of Rockwell Medical common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Chole Timothy

Role SVP and CCO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	2,444	$0.90	$2K

Holdings After Transaction: Common Stock — 122,855 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Chole Timothy

(Last) (First) (Middle)

30142 WIXOM ROAD

(Street)

WIXOM MI 48393

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ROCKWELL MEDICAL, INC. [ RMTI ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP and CCO

3. Date of Earliest Transaction (Month/Day/Year)
03/14/2026

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	03/14/2026		F(1)		2,444	D	$0.9	122,855	D

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. These shares were withheld from the vesting of restricted stock units to cover the estimated tax withholding obligation.

Remarks:

	/s/ Megan Timmins, Attorney-in-fact for Timothy Chole	03/16/2026
	** 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.

FAQ

What insider transaction did Rockwell Medical (RMTI) report for Timothy Chole?

Rockwell Medical reported that SVP and CCO Timothy Chole had 2,444 common shares withheld to cover estimated tax obligations tied to restricted stock unit vesting, rather than executing an open-market stock sale.

Was the Rockwell Medical (RMTI) Form 4 transaction an open-market sale?

No, the Form 4 shows a tax-withholding disposition. 2,444 shares were withheld from Timothy Chole’s restricted stock unit vesting at $0.90 per share to satisfy estimated tax liabilities, not sold on the open market.

How many Rockwell Medical (RMTI) shares does Timothy Chole hold after this filing?

After the tax-withholding transaction, Timothy Chole directly holds 122,855 shares of Rockwell Medical common stock. This figure reflects his position following the 2,444 shares withheld for taxes on restricted stock unit vesting.

What does transaction code F mean in the Rockwell Medical (RMTI) Form 4?

Transaction code F indicates payment of an exercise price or tax liability by delivering securities. In this case, 2,444 Rockwell Medical common shares were withheld from restricted stock unit vesting to cover estimated tax obligations for Timothy Chole.

What role does Timothy Chole hold at Rockwell Medical (RMTI) in this Form 4?

In this Form 4, Timothy Chole is identified as Rockwell Medical’s senior vice president and chief commercial officer. The reported activity involves shares withheld for tax purposes related to his restricted stock unit compensation.