[Form 4] ADMA Biologics, Inc. Insider Trading Activity

Rhea-AI Filing Summary

ADMA Biologics COO & SVP, Compliance Kaitlin M. Kestenberg-Messina filed a Form 4 for an automatic share withholding event on 07/24/2025. Transaction code F shows 3,027 common shares were surrendered to the company at $17.31 per share to satisfy payroll-tax obligations triggered by the vesting of restricted stock units (RSUs); no shares were sold on the open market.

Post-transaction, the executive beneficially owns 487,398 ADMA shares, comprised of 192,874 fully vested shares and 294,524 unvested RSUs that vest quarterly through 2029, contingent on continued service.

• The filing is a routine tax-settlement and does not reflect a discretionary reduction in ownership.
• Share count outstanding is modestly reduced, but insider economic exposure is unchanged.

Insights

Securities Analyst

TL;DR: Routine RSU tax withholding; neutral signal, insider keeps sizable stake.

The code F transaction merely covers withholding taxes on vested RSUs and does not indicate an intentional sale. Only 3,027 shares (≈0.6% of her total holdings) left the insider’s account, while 487k shares remain beneficially owned. Such filings are common and usually carry no market-moving information. Investors should focus instead on upcoming fundamentals (e.g., immunoglobulin demand and margin expansion) rather than this administrative entry.

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

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

1. Name and Address of Reporting Person^*

Kestenberg-Messina Kaitlin M.

(Last) (First) (Middle)

C/O ADMA BIOLOGICS, INC.

5800 PARK OF COMMERCE BLVD. NW

(Street)

BOCA RATON FL 33487

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ADMA BIOLOGICS, INC. [ ADMA ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	COO and SVP, Compliance

3. Date of Earliest Transaction (Month/Day/Year)
07/24/2025

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	07/24/2025		F		3,027(1)	D	$17.31	487,398(2)(3)	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. Represents shares withheld by the Issuer to satisfy the mandatory tax withholding requirements upon vesting of restricted stock units ("RSUs"). This is not an open market sale of securities.

2. Includes, as of the transaction date (i) 77,784 unvested RSUs granted on February 19, 2025, vesting quarterly on each annual anniversary of the date of grant over four years, subject to the reporting person's continued service as of the applicable vesting date and that will be settled into common stock upon vesting; (ii) 144,240 unvested RSUs granted on April 1, 2024, that will vest in equal quarterly installments on each annual anniversary of the date of grant, over four years, subject to the reporting person's continued service as of the applicable vesting date; (iii) 15,000 unvested RSUs granted on July 24, 2023, that will vest in equal quarterly installments on each annual anniversary of the date of grant, over four years, subject to the reporting person's continued service as of the applicable vesting date;

3. (continued from footnote 2) (iv) 47,500 unvested RSUs granted on March 6, 2023, that will vest in equal quarterly installments on each annual anniversary of the date of grant, over four years, subject to the reporting person's continued service as of the applicable vesting date; (v) 10,000 unvested RSUs granted on March 7, 2022, that will vest in equal quarterly installments on each annual anniversary of the date of grant, over four years, subject to the reporting person's continued service as of the applicable vesting date; and (vi) 192,874 shares of common stock directly owned by the reporting person, which includes the prior net settlement upon vesting of previously granted RSUs after the withholding of shares to cover applicable taxes.

	/s/ Kaitlin M. Kestenberg-Messina, by Michael A. Goldstein as Attorney-in-fact	07/28/2025
	** 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 type of transaction did ADMA COO Kestenberg-Messina report?

A code F transaction—shares withheld by the company to cover RSU tax obligations.

How many ADMA shares were withheld for taxes?

The filing shows 3,027 common shares withheld at $17.31 each.

Does this Form 4 indicate an open-market sale?

No. Code F denotes a non-discretionary tax withholding, not an open-market sale.

What is the insider’s total ADMA ownership after the transaction?

Kestenberg-Messina now beneficially owns 487,398 shares, including unvested RSUs.

Are there any upcoming vesting schedules mentioned?

Yes. RSUs granted in 2022-2025 vest quarterly over four-year periods, contingent on continued service.