Foster Jonathan P. — SEC Form 4 filings
SEC reporting owner CIK 1545414. 12 Form 4 filings on record with FilingPulse; latest filed 2026-08-05.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2024-06-18 to 2026-08-05. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 2 legs across 2 filings — 563,603 shares, $100,000 total (shares × price as filed on priced legs).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 39.
- Largest priced transaction: purchase of 270,270 shares @ $0.37 ($100,000) in Moleculin Biotech, Inc., filed 2025-06-23.
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 |
|---|---|---|---|---|---|
| Moleculin Biotech, Inc. (MBRX) | Chief Financial Officer | 10 | 2 legs · 563,603 sh · $100,000 | — | 34 |
| Empery Digital Inc. (EMPD) | Director | 2 | — | — | 5 |
Form 4 filings — Foster Jonathan P.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-05 | 4 | Moleculin Biotech, Inc. (MBRX) | Purchase (P): 293,333 · Purchase (P): 879,999 (derivative) | EDGAR |
| 2026-06-24 | 4 | Moleculin Biotech, Inc. (MBRX) | Option exercise (M): 109 · Tax withholding (F): 31 @ $2.88 · Option exercise (M): 174 · Tax withholding (F): 41 @ $3.12 · Option exercise (M): 109 (derivative) @ $0 · Option exercise (M): 174 (derivative) @ $0 | EDGAR |
| 2026-02-20 | 4 | Empery Digital Inc. (EMPD) | Other (J): 2 (derivative) @ $0 · Other (J): 1 (derivative) @ $0 · Other (J): 1 (derivative) @ $0 | EDGAR |
| 2025-11-14 | 4 | Moleculin Biotech, Inc. (MBRX) | Grant/award (A): 600,000 (derivative) · Grant/award (A): 400,000 (derivative) | EDGAR |
| 2025-11-06 | 4 | Moleculin Biotech, Inc. (MBRX) | Option exercise (M): 20,625 · Option exercise (M): 5,023 @ $0.50 · Option exercise (M): 20,625 (derivative) @ $0 | EDGAR |
| 2025-07-21 | 4 | Volcon, Inc. (VLCN) | Grant/award (A): 20,000 @ $10 · Grant/award (A): 10,000 (derivative) | EDGAR |
| 2025-06-23 | 4 | Moleculin Biotech, Inc. (MBRX) | Option exercise (M): 2,711 · Tax withholding (F): 661 @ $0.27 · Option exercise (M): 4,328 · Tax withholding (F): 1,054 @ $0.27 · Purchase (P): 270,270 @ $0.37 · Option exercise (M): 2,711 (derivative) @ $0 · +2 more | EDGAR |
| 2025-06-18 | 4 | Moleculin Biotech, Inc. (MBRX) | Option exercise (M): 833 · Tax withholding (F): 203 @ $0.69 · Option exercise (M): 833 (derivative) @ $0 | EDGAR |
| 2024-11-06 | 4 | Moleculin Biotech, Inc. (MBRX) | Grant/award (A): 65,000 (derivative) · Grant/award (A): 82,500 (derivative) · Grant/award (A): 19,180 (derivative) | EDGAR |
| 2024-06-25 | 4 | Moleculin Biotech, Inc. (MBRX) | Option exercise (M): 4,329 · Tax withholding (F): 1,053 @ $3.74 · Option exercise (M): 4,329 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | Moleculin Biotech, Inc. (MBRX) | Option exercise (M): 2,712 · Tax withholding (F): 636 @ $3.78 · Option exercise (M): 2,712 (derivative) @ $0 | EDGAR |
| 2024-06-18 | 4 | Moleculin Biotech, Inc. (MBRX) | Option exercise (M): 834 · Tax withholding (F): 196 @ $4.14 · Option exercise (M): 834 (derivative) @ $0 | 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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