Quick Takeaways
- Mark A. Emalfarb filed SCHEDULE 13G/A for DYADIC INTERNATIONAL INC. Common Stock (DYAI).
- Disclosed ownership: 18%.
- Date of event: 31 Dec 2025.
Mark A. Emalfarb - 31 Dec 2025 SCHEDULE 13G/A Report for DYADIC INTERNATIONAL INC. Common Stock (DYAI)
- Filing Manager
- Mark A. Emalfarb
- Reporting Manager
- Mark A. Emalfarb
- Symbol
- DYAI
- Shares outstanding
- 38,145,366 shares
- Disclosed Ownership
- 6,675,439 shares
- Ownership
- 18%
- Form type
- SCHEDULE 13G/A
- Filing time
- 17 Feb 2026, 16:14:24 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 14 Nov 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Mark A. Emalfarb disclosed 18% ownership in DYADIC INTERNATIONAL INC. Common Stock (DYAI) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 14 Nov 2025.
- Current filing was accepted on 17 Feb 2026, 16:14.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Mark A. Emalfarb | 18% | 6,675,439 | 6,675,439 | 0 | /s/ Mark Emalfarb | Self |