Rockwell Medical insider reports tax share withholding

ROCKWELL MEDICAL, INC. officer Megan C. Timmins reported a routine tax-related share disposition.

Accepted by SEC EDGAR 03/16/2026 - 06:10 PM EDT

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Rhea-AI Filing Summary

ROCKWELL MEDICAL, INC. officer Megan C. Timmins reported a routine tax-related share disposition. On this Form 4, 3,667 shares of common stock were withheld at $0.90 per share to cover estimated tax obligations tied to the vesting of restricted stock units, rather than being sold on the market. After this withholding, Timmins directly holds 162,408 shares of Rockwell Medical common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 3,667 shares

Exercise Price or Tax Liability 1 txn

Insider TIMMINS MEGAN C.

Role See Remarks

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	3,667	$0.90	$3K

Holdings After Transaction: Common Stock — 162,408 shares (Direct)

Holdings Before and After: Common Stock, 166,075 to 162,408 shares (Direct)

Footnotes (1)

F1. These shares were withheld from the vesting of restricted stock units to cover the estimated tax withholding obligation.

FAQ

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What did Rockwell Medical (RMTI) insider Megan C. Timmins report on this Form 4?

Megan C. Timmins reported a tax-related share disposition. 3,667 Rockwell Medical common shares were withheld to satisfy estimated tax obligations upon vesting of restricted stock units, leaving her with 162,408 directly held shares.

Was the Rockwell Medical (RMTI) Form 4 a market sale of shares?

No, the Form 4 shows no open-market sale. It reports 3,667 shares withheld by the company to cover estimated tax withholding tied to restricted stock unit vesting, a standard non-market compensation-related transaction.

How many Rockwell Medical (RMTI) shares does Megan C. Timmins hold after this transaction?

Following the tax-withholding disposition, Megan C. Timmins directly holds 162,408 Rockwell Medical common shares. This figure reflects her position after 3,667 shares were withheld to cover estimated tax obligations on vested restricted stock units.

What is the transaction code F on the Rockwell Medical (RMTI) Form 4?

Transaction code F indicates payment of tax liability or exercise price by delivering securities. Here, 3,667 Rockwell Medical shares were withheld at $0.90 per share to satisfy estimated tax withholding from restricted stock unit vesting.

Does the Rockwell Medical (RMTI) Form 4 indicate option or derivative exercises?

No derivative transactions are reported in this Form 4. The filing only shows a non-derivative common stock transaction where 3,667 shares were withheld for tax obligations related to vesting restricted stock units, with no option exercises listed.

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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^*

TIMMINS MEGAN C.

(Last)

(First)

(Middle)

C/O ROCKWELL MEDICAL, INC.

30142 WIXOM ROAD

(Street)

WIXOM

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)
	See Remarks

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/14/2026		F⁽¹⁾		3,667	D	$0.9	162,408	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

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

Remarks:

EVP, CLO and Secretary

	/s/ Megan Timmins	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.

Source: View Original Filing on SEC EDGAR