Grossman Adam S 4
4 · ADMA BIOLOGICS, INC. · Filed Mar 2, 2026
Research Summary
AI-generated summary of this filing
ADMA CEO Adam Grossman Withholds 54,858 Shares for Taxes
What Happened
Adam S. Grossman, President, CEO and a director of ADMA Biologics (ADMA), had 54,858 shares withheld on February 26, 2026 to satisfy mandatory tax withholding upon the vesting of restricted stock units (RSUs). The withholding was reported at $15.18 per share, totaling approximately $832,744. This was a tax-withholding settlement, not an open-market sale.
Key Details
- Transaction date: 2026-02-26; Form 4 filed: 2026-03-02 (filed within the required two-business-day window).
- Transaction code: F — shares withheld to satisfy tax withholding on RSU vesting (not a sale).
- Withheld: 54,858 shares at $15.18/share; value ≈ $832,744.
- Shares owned after transaction (reported): 1,092,470 shares of common stock (reflects prior purchases and net settlements).
- Unvested RSUs reported (selected):
- 282,529 unvested RSUs granted Feb 9, 2026 (vests quarterly over 4 years)
- 189,017 unvested of 252,022 RSUs granted Feb 19, 2025
- 278,864 unvested of 557,728 RSUs granted Feb 26, 2024
- 286,848 unvested of 573,695 RSUs granted Mar 6, 2023
- 75,000 unvested of 300,000 RSUs granted Mar 7, 2022
- Entity holdings: Some reported shares are held by Areth, LLC and Hariden, LLC; Grossman is a control person/managing member of those entities (see footnotes).
Context
This was a routine tax-withholding event tied to RSU vesting (transaction code F). Because shares were withheld to cover taxes, it should not be read as a typical insider sale or change in investment sentiment.
Insider Transaction Report
Form 4
Grossman Adam S
DirectorPresident and CEO
Transactions
- Tax Payment
Common Stock
[F1][F2][F3][F4]2026-02-26$15.18/sh−54,858$832,744→ 2,204,728 total
Holdings
- 1,143,426(indirect: See Footnote)
Common Stock
[F5] - 580,957(indirect: See Footnote)
Common Stock
[F6]
Footnotes (6)
- [F1]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.
- [F2]Includes, as of the transaction date, (i) 282,529 unvested RSUs granted on February 9, 2026, 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) 189,017 unvested RSUs out of 252,022 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;
- [F3](continued from footnote 2) (iii) 278,864 unvested RSUs out of 557,728 RSUs granted on February 26, 2024, 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; (iv) 286,848 unvested RSUs out of 573,695 RSUs granted on March 6, 2023 that will vest 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;
- [F4](continued from footnote 3) (v) 75,000 unvested RSUs out of 300,000 RSUs granted on March 7, 2022 that will vest 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; and (vi) 1,092,470 shares of common stock owned by the Reporting Person, which reflects prior purchases and the prior net settlement upon vesting of previously granted RSUs after the withholding of shares to cover applicable taxes.
- [F5]These shares are owned by Areth, LLC ("Areth"). The Reporting Person is a control person of Areth.
- [F6]These shares are owned by Hariden, LLC ("Hariden"). The Reporting Person is the managing member of Hariden.
Signature
/s/ Adam S. Grossman, by Michael A. Goldstein as Attorney-in-fact|2026-03-02