OSSER LEONARD — SEC Form 4 filings
SEC reporting owner CIK 1188354. 9 Form 4 filings on record with FilingPulse; latest filed 2025-09-30.
Transaction summary — filings shown
Covers all 9 filings on record, filed 2024-08-21 to 2025-09-30. 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): 2 legs across 2 filings — 249,897 shares, $235,242 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 12.
- Largest priced transaction: sale of 141,913 shares @ $0.95 ($134,817) in MILESTONE SCIENTIFIC INC., filed 2024-08-21.
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 |
|---|---|---|---|---|---|
| MILESTONE SCIENTIFIC INC. (MLSS) | Director | 3 | — | 2 legs · 249,897 sh · $235,242 | 1 |
| Nexalin Technology, Inc. (NXL) | 10% owner | 6 | — | — | 11 |
Form 4 filings — OSSER LEONARD
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2025-09-30 | 4 | Nexalin Technology, Inc. (NXL) jointly with Elson Marilyn | Grant/award (A): 83,333 @ $0 | EDGAR |
| 2025-09-12 | 4 | Nexalin Technology, Inc. (NXL) jointly with Elson Marilyn | Sale (S): 23,150 (derivative) @ $0.02 | EDGAR |
| 2025-07-21 | 4 | Nexalin Technology, Inc. (NXL) jointly with Elson Marilyn | Grant/award (A): 150,000 (derivative) @ $0 · Grant/award (A): 30,000 (derivative) @ $0 · Grant/award (A): 30,000 (derivative) @ $0 · Grant/award (A): 30,000 (derivative) @ $0 · Grant/award (A): 30,000 (derivative) @ $0 · Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2024-10-23 | 4 | MILESTONE SCIENTIFIC INC. (MLSS) | Sale (S): 107,984 @ $0.93 | EDGAR |
| 2024-10-02 | 4/A | Nexalin Technology, Inc. (NXL) jointly with Elson Marilyn | Grant/award (A): 700,000 @ $0 | EDGAR |
| 2024-09-25 | 4/A | Nexalin Technology, Inc. (NXL) jointly with Elson Marilyn | Purchase (P): 36,000 (derivative) @ $0.40 | EDGAR |
| 2024-09-25 | 4 | Nexalin Technology, Inc. (NXL) jointly with Elson Marilyn | Grant/award (A): 700,000 @ $0 | EDGAR |
| 2024-08-30 | 4 | MILESTONE SCIENTIFIC INC. (MLSS) | Grant/award (A): 112,356 @ $0.89 | EDGAR |
| 2024-08-21 | 4 | MILESTONE SCIENTIFIC INC. (MLSS) | Sale (S): 141,913 @ $0.95 | 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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