ADMA BIOLOGICS, INC.·4

Mar 10, 9:00 PM ET

Grossman Adam S 4

4 · ADMA BIOLOGICS, INC. · Filed Mar 10, 2026

Research Summary

AI-generated summary of this filing

Updated

ADMA CEO Adam Grossman Withholds 85,951 Shares for Taxes

What Happened
Adam S. Grossman, President, CEO and a director of ADMA Biologics (ADMA), had a total of 85,951 shares withheld by the company to satisfy mandatory tax withholding when restricted stock units (RSUs) vested. The withholdings occurred on 2026-03-06 (56,438 shares @ $15.39, $868,581) and 2026-03-07 (29,513 shares @ $15.39, $454,205). These were internal tax-withholding transactions (code F), not open-market sales.

Key Details

  • Transaction dates and amounts:
    • 2026-03-06: 56,438 shares withheld @ $15.39 each = $868,581
    • 2026-03-07: 29,513 shares withheld @ $15.39 each = $454,205
  • Total shares withheld: 85,951; total value ≈ $1,322,786.
  • Shares owned after the transactions: Reporting person holds 1,224,943 shares (per footnote).
  • Unvested RSUs (will convert to shares on vesting):
    • 282,529 RSUs granted 2/9/2026 (quarterly vesting over 4 years)
    • 189,017 unvested RSUs out of 252,022 granted 2/19/2025
    • 278,864 unvested RSUs out of 557,728 granted 2/26/2024
    • 143,424 unvested RSUs out of 573,695 granted 3/6/2023
    • Total unvested RSUs listed ≈ 893,834 (vest quarterly on each annual anniversary over four years)
  • Ownership via entities: some shares are held by Areth, LLC and Hariden, LLC; Grossman is a control person/managing member of those entities (footnotes F5/F6).
  • Transaction code = F (shares withheld to satisfy tax withholding on RSU vesting). This is not an open-market sale.
  • Filing: Form 4 filed 2026-03-10 reporting 2026-03-06 and 2026-03-07 transactions — filed within the usual Section 16 reporting timeframe (no late filing indicated).

Context
These transactions reflect standard tax-withholding on vested RSUs (a routine corporate administrative action), not a discretionary sale by the insider. Withheld shares reduce the number of new shares delivered on vesting because the company retains them to cover taxes. For retail investors, purchases by insiders can be more meaningful than withholdings; tax-withholdings generally do not signal a change in the insider’s view of the company.

Insider Transaction Report

Form 4
Period: 2026-03-06
Grossman Adam S
DirectorPresident and CEO
Transactions
  • Tax Payment

    Common Stock

    [F1]
    2026-03-06$15.39/sh56,438$868,5812,148,290 total
  • Tax Payment

    Common Stock

    [F1][F2][F3][F4]
    2026-03-07$15.39/sh29,513$454,2052,118,777 total
Holdings
  • Common Stock

    [F5]
    (indirect: See Footnote)
    1,143,426
  • Common Stock

    [F6]
    (indirect: See Footnote)
    580,957
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) 143,424 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) and (v) 1,224,943 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|2026-03-10

Documents

1 file
  • 4
    form4.xmlPrimary

    FORM 4