Guiheen Lawrence P. 4

4 · ADMA BIOLOGICS, INC. · Filed Mar 17, 2026

AI-generated summary of this filing

Updated Mar 18, 2026

ADMA Director Lawrence Guiheen Exercises Options, Gifts 30K Shares

What Happened

Lawrence P. Guiheen, a director of ADMA Biologics (ADMA), exercised stock options to acquire 30,000 shares on 2026-03-13 at $3.66 per share (total cost $109,800). He subsequently reported a gift of 30,000 shares on 2026-03-17 to the Lawrence P Guiheen Irrevocable Trust (dated 9/20/19), over which he retains control but disclaims beneficial ownership except to the extent of any pecuniary interest. The Form 4 also shows a derivative disposition entry related to the exercise.

Key Details

Transaction dates and prices:
- 2026-03-13: Option exercise (code M) — 30,000 shares acquired at $3.66 each (total $109,800).
- 2026-03-17: Gift (code G) — 30,000 shares transferred to the 2019 Guiheen Irrevocable Trust (reported at $0.00).
- The filing also reports a derivative disposition entry tied to the exercise.
Shares reported after these transactions: 175,820 shares of common stock beneficially owned (this total includes 94,830 shares directly owned by Mr. Guiheen, 30,000 shares held in the 2019 Guiheen Irrevocable Trust, and 50,990 shares held in a separate Lawrence P Guiheen Irrevocable Trust 1). In addition, 10,690 RSUs granted 2/9/2026 vest on 2/9/2027 (per footnote).
Notable footnotes:
- F2: The 30,000-share gift went to the 2019 Guiheen Irrevocable Trust; Mr. Guiheen retains control and disclaims beneficial ownership except to the extent of pecuniary interest.
- F5: The option exercise was done, in part, because the option was nearing its expiration.
- F6: The options vested in 24 equal monthly installments and became fully vested on the one-year anniversary of grant.
Filing timeliness: Transaction date 2026-03-13; Form 4 filed 2026-03-17. This is beyond the typical two-business-day Form 4 deadline and may be considered late.

Context

For retail investors: an option exercise followed by a gift to a trust is often an administrative or estate-planning move and should not be read as a straightforward bullish or bearish signal. Footnotes indicate the exercise was partly driven by option expiration timing. Gifts generally do not reflect the insider’s view of company prospects.

Form 4

Period: 2026-03-13

Director

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-03-13$3.66/sh+30,000$109,800→ 135,520 total
Gift
Common Stock
[F2][F1]
2026-03-17−30,000→ 105,520 total
Gift
Common Stock
[F2][F3]
2026-03-17+30,000→ 30,000 total(indirect: See footnote)
Exercise/Conversion
Stock Option (Right to Buy)
[F5][F6]
2026-03-13−30,000→ 23,837 total
Exercise: $3.66Exp: 2027-06-06→ Common Stock (30,000 underlying)

Holdings

Footnotes (6)

[F1]Includes, as of the transaction date, (i) 10,690 RSUs granted on February 9, 2026, which will fully vest on February 9, 2027, subject to the Reporting Person's continued service as of such vesting date; and (ii) 94,830 shares of common stock owned by the Reporting Person.
[F2]This transaction involved the Reporting Person's gift of 30,000 shares of Issuer common stock to the Lawrence P Guiheen Irrevocable Trust DTD 9/20/19, Arlene Guiheen TTEE, Katherine M Guiheen TTEE (the "2019 Guiheen Irrevocable Trust"), over which Mr. Guiheen retains control. The Reporting Person disclaims beneficial ownership of the securities held by the 2019 Guiheen Irrevocable Trust, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.
[F3]Includes 30,000 shares of common stock held in the 2019 Guiheen Irrevocable Trust.
[F4]Includes 50,990 shares of common stock held in the Lawrence P Guiheen Irrevocable Trust 1.
[F5]The Reporting Person is exercising this option due, in part, to its near-term expiration date.
[F6]These options vested in twenty-four equal monthly installments, becoming fully vested on the one-year anniversary of the date of grant.

Signature

/s/ Lawrence P. Guiheen, by Michael A. Goldstein as Attorney-in-fact|2026-03-17

1 file