Skip to main content
Signal8
EMALFARB MARK A profile photo

Mark A. Emalfarb

CIK: 0001328287

Transaction Breakdown

Open Market Buys (P)1 (20.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (60.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (20.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

DYADIC INTERNATIONAL INC logo
DYAI

DYADIC INTERNATIONAL INC

DirectorOfficer10% Owner

Discretionary Trading P&L

Holdings

Transaction History (5 total)

  • DYADIC INTERNATIONAL INC logo
    DYAI

    DYADIC INTERNATIONAL INC

    Jan 2, 2026
    Award(A)
    Direct
    102.6K shares-
  • DYADIC INTERNATIONAL INC logo
    DYAI

    DYADIC INTERNATIONAL INC

    Dec 23, 2025
    Disposition(D)

    Senior Secured Convertible Promissory Note due March 8, 2027

    Indirect
    0 shares-
  • DYADIC INTERNATIONAL INC logo
    DYAI

    DYADIC INTERNATIONAL INC

    Dec 23, 2025
    Award(A)

    Senior Secured Convertible Promissory Note due Dec 31, 2027

    Indirect
    0 shares-
  • DYADIC INTERNATIONAL INC logo
    DYAI

    DYADIC INTERNATIONAL INC

    Sep 15, 2025
    Purchase(P)

    Senior Secured Convertible Promissory Note due March 8, 2027

    Indirect
    0 shares at avg. $1000000.00-
  • DYADIC INTERNATIONAL INC logo
    DYAI

    DYADIC INTERNATIONAL INC

    Jan 2, 2025
    Award(A)
    Direct
    73.1K shares-

1-5 of 5

About EMALFARB MARK A

EMALFARB MARK A (SEC CIK 0001328287) files insider reports with the SEC as CEO of DYADIC INTERNATIONAL INC (DYAI).

Signal8 holds 4 ownership filings by EMALFARB MARK A, all Form 4s, filed between Jan 7, 2025 and Jan 6, 2026. Those filings report 5 transactions, from Jan 2, 2025 to Jan 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on EMALFARB MARK A's filings is in JUPITER, FL.

Recent filings by EMALFARB MARK A

  • Jan 2, 2026: Grant or award of DYAI shares (Form 4, code A).
  • Dec 23, 2025: Disposition to issuer transaction of DYAI derivative securities (Form 4, code D).
  • Dec 23, 2025: Grant or award of DYAI derivative securities (Form 4, code A).
  • Sep 15, 2025: Open-market purchase of DYAI derivative securities (Form 4, code P).
  • Jan 2, 2025: Grant or award of DYAI shares (Form 4, code A).

Other insiders filing for DYADIC INTERNATIONAL INC (DYAI)

How to read Form 4 transaction codes