GROSSO CHRISTOPHER G — SEC Form 4 filings
SEC reporting owner CIK 1332430. 7 Form 4 filings on record with FilingPulse; latest filed 2026-06-30.
Transaction summary — filings shown
Covers all 7 filings on record, filed 2024-09-20 to 2026-06-30. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 3 legs across 2 filings — 1,201,117 shares, $36,034 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 11.
- Largest priced transaction: purchase of 500,000 shares @ $0.03 ($15,000) in RADNOSTIX INC, filed 2024-09-20.
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 |
|---|---|---|---|---|---|
| RADNOSTIX INC (INIS) | Director, 10% owner | 7 | 3 legs · 1,201,117 sh · $36,034 | — | 11 |
Form 4 filings — GROSSO CHRISTOPHER G
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-30 | 4 | RADNOSTIX INC (INIS) | Purchase (P) @ $500,000 | EDGAR |
| 2026-04-30 | 4 | RADNOSTIX INC (INIS) | Other (J): 269,999 @ $0 · Other (J): 40,384 @ $0 · Other (J): 40,384 @ $0 · Other (J): 230,769 @ $0 | EDGAR |
| 2025-10-15 | 4 | INTERNATIONAL ISOTOPES INC (INIS) | Grant/award (A): 500,000 (derivative) @ $0 | EDGAR |
| 2025-04-30 | 4 | INTERNATIONAL ISOTOPES INC (INIS) | Other (J): 280,800 @ $0 · Other (J): 42,000 @ $0 · Other (J): 42,000 @ $0 · Other (J): 240,000 @ $0 | EDGAR |
| 2025-04-30 | 4 | INTERNATIONAL ISOTOPES INC (INIS) | Grant/award (A): 1,500,000 (derivative) @ $0 | EDGAR |
| 2024-11-18 | 4 | INTERNATIONAL ISOTOPES INC (INIS) | Purchase (P): 401,117 @ $0.03 | EDGAR |
| 2024-09-20 | 4 | INTERNATIONAL ISOTOPES INC (INIS) | Purchase (P): 500,000 @ $0.03 · Purchase (P): 300,000 @ $0.03 | 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.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1332430 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →