Tarnok Michael P. — SEC Form 4 filings
SEC reporting owner CIK 1413525. 5 Form 4 filings on record with FilingPulse; latest filed 2025-06-24.
Transaction summary — filings shown
Covers all 5 filings on record, filed 2024-04-15 to 2025-06-24. 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, …): 18.
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 | 5 | — | — | 18 |
Form 4 filings — Tarnok Michael P.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2025-06-24 | 4 | DYADIC INTERNATIONAL INC (DYAI) | Option exercise (M): 10,776 · Option exercise (M): 10,776 (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): 25,000 (derivative) @ $0 · Grant/award (A): 10,776 (derivative) @ $0 | EDGAR |
| 2024-11-25 | 4 | DYADIC INTERNATIONAL INC (DYAI) | Option exercise (M): 6,250 @ $0.97 · Option exercise (M): 18,750 @ $0.97 · Option exercise (M): 6,250 (derivative) @ $0 · Option exercise (M): 18,750 (derivative) @ $0 | EDGAR |
| 2024-05-23 | 4 | DYADIC INTERNATIONAL INC (DYAI) | Option exercise (M): 7,500 @ $1.36 · Option exercise (M): 5,625 @ $1.36 · Option exercise (M): 16,875 @ $1.36 · Tax withholding (F): 24,431 @ $1.67 · Option exercise (M): 7,500 (derivative) @ $0 · Option exercise (M): 5,625 (derivative) @ $0 · +1 more | EDGAR |
| 2024-04-15 | 4 | DYADIC INTERNATIONAL INC (DYAI) | Disposition to issuer (D): 13,125 (derivative) | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 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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