Christopher G. Grosso
CIK: 0001332430
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
RADNOSTIX INC
Discretionary Trading P&L
Holdings
Transaction History (13 total)
- Oct 10, 2025INIS
INTERNATIONAL ISOTOPES INC
Award(A)DirectStock Option (Right to Buy)
500K shares- - Feb 17, 2025INIS
RADNOSTIX INC
Other(J)Indirect230.8K shares- - Feb 17, 2025INIS
RADNOSTIX INC
Other(J)Indirect40.4K shares- - Feb 17, 2025INIS
RADNOSTIX INC
Other(J)Indirect40.4K shares- - Feb 17, 2025INIS
RADNOSTIX INC
Other(J)Direct270K shares- - Nov 14, 2024INIS
INTERNATIONAL ISOTOPES INC
Purchase(P)Indirect401.1K shares at avg. $0.03$12K - Oct 30, 2024INIS
INTERNATIONAL ISOTOPES INC
Award(A)DirectStock Option (Right to Buy)
1.5M shares- - Sep 18, 2024INIS
INTERNATIONAL ISOTOPES INC
Purchase(P)Indirect300K shares at avg. $0.03$9K - Sep 18, 2024INIS
INTERNATIONAL ISOTOPES INC
Purchase(P)Direct500K shares at avg. $0.03$15K - Feb 17, 2024INIS
INTERNATIONAL ISOTOPES INC
Other(J)Indirect240K shares- - Feb 17, 2024INIS
INTERNATIONAL ISOTOPES INC
Other(J)Indirect42K shares- - Feb 17, 2024INIS
INTERNATIONAL ISOTOPES INC
Other(J)Indirect42K shares- - Feb 17, 2024INIS
INTERNATIONAL ISOTOPES INC
Other(J)Direct280.8K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 10, 2025 | INIS INTERNATIONAL ISOTOPES INC | Award(A) Stock Option (Right to Buy) | 500,000 | - | - | Direct |
| Feb 17, 2025 | INIS RADNOSTIX INC | Other(J) | 230,769 | - | $0 | Indirect |
| Feb 17, 2025 | INIS RADNOSTIX INC | Other(J) | 40,384 | - | $0 | Indirect |
| Feb 17, 2025 | INIS RADNOSTIX INC | Other(J) | 40,384 | - | $0 | Indirect |
| Feb 17, 2025 | INIS RADNOSTIX INC | Other(J) | 269,999 | - | $0 | Direct |
| Nov 14, 2024 | INIS INTERNATIONAL ISOTOPES INC | Purchase(P) | 401,117 | $0.03 | $12,034 | Indirect |
| Oct 30, 2024 | INIS INTERNATIONAL ISOTOPES INC | Award(A) Stock Option (Right to Buy) | 1,500,000 | - | - | Direct |
| Sep 18, 2024 | INIS INTERNATIONAL ISOTOPES INC | Purchase(P) | 300,000 | $0.03 | $9,000 | Indirect |
| Sep 18, 2024 | INIS INTERNATIONAL ISOTOPES INC | Purchase(P) | 500,000 | $0.03 | $15,000 | Direct |
| Feb 17, 2024 | INIS INTERNATIONAL ISOTOPES INC | Other(J) | 240,000 | - | - | Indirect |
| Feb 17, 2024 | INIS INTERNATIONAL ISOTOPES INC | Other(J) | 42,000 | - | - | Indirect |
| Feb 17, 2024 | INIS INTERNATIONAL ISOTOPES INC | Other(J) | 42,000 | - | - | Indirect |
| Feb 17, 2024 | INIS INTERNATIONAL ISOTOPES INC | Other(J) | 280,800 | - | - | Direct |
1-13 of 13 transactions
About GROSSO CHRISTOPHER G
GROSSO CHRISTOPHER G (SEC CIK 0001332430) files insider reports with the SEC as Director of RADNOSTIX INC (INIS).
Signal8 holds 6 ownership filings by GROSSO CHRISTOPHER G, all Form 4s, filed between Sep 20, 2024 and Apr 30, 2026. Those filings report 13 transactions, from Feb 17, 2024 to Oct 10, 2025. Signal8's Form 4 history starts in Sep 2024.
The business address on GROSSO CHRISTOPHER G's filings is in IDAHO FALLS, ID.
Recent filings by GROSSO CHRISTOPHER G
- Oct 10, 2025: Grant or award of INIS derivative securities (Form 4, code A).
- Feb 17, 2025: Other transactions of INIS shares (4 lines, Form 4, code J).
- Nov 14, 2024: Open-market purchase of INIS shares (Form 4, code P).
- Oct 30, 2024: Grant or award of INIS derivative securities (Form 4, code A).
- Sep 18, 2024: Open-market purchases of INIS shares (2 lines, Form 4, code P).
Other insiders filing for RADNOSTIX INC (INIS)
- Atcher Robert, Director
- Laflin Steve, Director
- Bagerdjian Shahe, Pres. & CEO
- COX W MATTHEW, Chief Financial Officer