HERBST SETH — SEC Form 4 filings
SEC reporting owner CIK 1761275. 4 Form 4 filings on record with FilingPulse; latest filed 2026-01-06.
Transaction summary — filings shown
Covers all 4 filings on record, filed 2024-01-04 to 2026-01-06. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 16.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| DYADIC INTERNATIONAL INC (DYAI) | Director | 4 | — | — | 16 |
Form 4 filings — HERBST SETH
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-01-06 | 4 | DYADIC INTERNATIONAL INC (DYAI) | Option exercise (M): 21,552 · Option exercise (M): 21,552 (derivative) @ $0 · Grant/award (A): 50,000 (derivative) @ $0 · Grant/award (A): 39,894 (derivative) @ $0 | EDGAR |
| 2025-01-08 | 4 | DYADIC INTERNATIONAL INC (DYAI) | Option exercise (M): 18,750 @ $0.97 · Option exercise (M): 6,250 @ $0.97 · Option exercise (M): 18,750 (derivative) @ $0 · Option exercise (M): 6,250 (derivative) @ $0 | EDGAR |
| 2025-01-07 | 4 | DYADIC INTERNATIONAL INC (DYAI) | Option exercise (M): 23,585 · Option exercise (M): 23,585 (derivative) @ $0 · Grant/award (A): 50,000 (derivative) @ $0 · Grant/award (A): 21,552 (derivative) @ $0 | EDGAR |
| 2024-01-04 | 4 | DYADIC INTERNATIONAL INC (DYAI) | Option exercise (M): 27,174 · Grant/award (A): 50,000 (derivative) @ $0 · Grant/award (A): 23,585 (derivative) @ $0 · Option exercise (M): 27,174 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-04 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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