[Form 3] ROCKWELL MEDICAL, INC. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Heather Hunter, Senior Vice President and Chief Operating Officer of Rockwell Medical, Inc. (RMTI), reported ownership of 138,259 shares of common stock and several option and restricted stock unit grants. The filing lists non-qualified stock options exercisable through 09/09/2032, 03/17/2033, 03/14/2034, and 05/20/2035 with exercise prices of $1.66, $1.37, $1.39, and $1.07, respectively. The report notes RSUs vesting in 2026 and 2027 and discloses the Form 3 was filed late for administrative reasons.

Positive

• Direct ownership of 138,259 shares provides meaningful insider alignment
• RSUs totalling 107,220 (22,220 + 85,000) vest across 2026–2027, linking pay to continued service
• Multiple option grants with exercise prices between $1.07 and $1.66 incentivize long‑term retention

Negative

• Form 3 was filed late due to administrative delays, which can temporarily reduce transparency

Insights

Corporate Governance Analyst

Insider ownership and standard executive awards, with a late initial filing noted.

The reporting shows direct ownership of 138,259 common shares plus multiple non-qualified stock option grants and restricted stock units that vest over multi-year schedules, aligning compensation with continued service.

These equity awards create deferred incentives tied to tenure; key dates include RSU vesting on 03/14/2026, 03/14/2027, and 05/20/2027, and option exercise windows through 05/20/2035. The late filing was attributed to administrative delays.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Hunter Heather

(Last) (First) (Middle)

C/O ROCKWELL MEDICAL, INC.

30142 WIXOM ROAD

(Street)

WIXOM MI 48393

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/23/2025

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Chief Operating Officer

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	138,259(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-Qualified Stock Options	(2)	09/09/2032	Common Stock	60,000	$1.66	D
Non-Qualified Stock Options	(3)	03/17/2033	Common Stock	32,990	$1.37	D
Non-Qualified Stock Options	(4)	03/14/2034	Common Stock	47,190	$1.39	D
Non-Qualified Stock Options	(5)	05/20/2035	Common Stock	170,000	$1.07	D

Explanation of Responses:

1. Includes 22,220 restricted stock units ("RSUs"), which will vest in two equal installments on March 14, 2026 and March 14, 2027, subject to the Reporting Person's continued service to the Issuer, and 85,000 RSUs, which will vest in full on May 20, 2027, subject to the Reporting Person's continued service to the Issuer.

2. Stock options vest in four equal installments on the first, second, third and fourth anniversaries of September 9, 2022, subject to the Reporting Person's continued service to the Issuer.

3. Stock options vest 25% on the first anniversary of March 17, 2023, with the remainder vesting in equal monthly installments through March 17, 2027, subject to the Reporting Person's continued service to the Issuer.

4. Stock options vest 25% on the first anniversary of March 14, 2024, with the remainder vesting in equal monthly installments through March 14, 2028, subject to the Reporting Person's continued service to the Issuer.

5. Stock options vest 1/3 on the first anniversary of May 20, 2025, with the remainder vesting in equal monthly installments through May 20, 2028, subject to the Reporting Person's continued service to the Issuer.

Remarks:

Ex. 24 - Power of Attorney. This Form 3 is being filed late due to administrative delays in obtaining the Reporting Person's EDGAR codes.

	/s/ Megan Timmins, Attorney-in-Fact for Heather Hunter	10/08/2025
	** 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 5 (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 shares does Heather Hunter report owning in RMTI?

The filing reports 138,259 shares of common stock owned directly by Heather Hunter.

What restricted stock units (RSUs) does Heather Hunter have?

The report discloses 22,220 RSUs vesting in two equal installments on 03/14/2026 and 03/14/2027, and 85,000 RSUs vesting in full on 05/20/2027.

What stock options are listed in the Form 3 for Heather Hunter?

Non-qualified stock options exercisable on 09/09/2032 ($1.66), 03/17/2033 ($1.37), 03/14/2034 ($1.39), and 05/20/2035 ($1.07) are reported.

Why was the Form 3 filed late?

The filing states it was filed late due to administrative delays in obtaining the reporting person's EDGAR codes.

What is Heather Hunter's role at Rockwell Medical?

She is reported as Senior Vice President and Chief Operating Officer and is listed as an officer on the Form 3.