Who
Mark Robert Tobin
Director
Company insider
Files Form 4 as: Director, Lightbridge; Director, Cellceutix.
In numbers
- Trades disclosed
- 21
- Buys
- 0
- Sells
- 5
- Bought
- $0
- Sold
- $398K
- Companies
- 2
- Companies where not an officer
- 2
- First trade
- 10 Jun 2016
- Last trade
- 11 Aug 2026
- Last filed
- 12 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 11 Aug 2026filed 12 Aug 2026 | LTBR LightbridgeChemicals | SEC FORM 4 Sold | $135K15,000 at $8.99 | filing |
| 11 Aug 2026filed 12 Aug 2026 | LTBR LightbridgeChemicals | SEC FORM 4 Sold | $135K15,000 at $8.99 | filing |
| 6 Aug 2026filed 7 Aug 2026 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —10,000 at $0.00 | filing |
| 6 Aug 2026filed 7 Aug 2026 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —10,000 at $0.00 | filing |
| 2 Jan 2026filed 5 Jan 2026 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —10,631 at $0.00 | filing |
| 2 Jan 2026filed 5 Jan 2026 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —10,631 at $0.00 | filing |
| 2 Sep 2025filed 3 Sep 2025 | LTBR LightbridgeChemicals | SEC FORM 4 Sold | $43K3,000 at $14.21 | filing |
| 28 Aug 2025filed 29 Aug 2025 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —5,000 at $0.00 | filing |
| 28 Aug 2025filed 29 Aug 2025 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —5,000 at $0.00 | filing |
| 28 Aug 2025filed 29 Aug 2025 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —5,000 at $0.00 | filing |
| 28 Aug 2025filed 29 Aug 2025 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —3,000 at $0.00 | filing |
| 28 Aug 2025filed 29 Aug 2025 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —2,000 at $0.00 | filing |
| 2 Jun 2025filed 4 Jun 2025 | LTBR LightbridgeChemicals | SEC FORM 4 Sold | $46K3,000 at $15.42 | filing |
| 12 Mar 2025filed 14 Mar 2025 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —11,588 at $0.00 | filing |
| 4 Dec 2024filed 6 Dec 2024 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —17,183 at $0.00 | filing |
| 20 Nov 2024filed 22 Nov 2024 | LTBR LightbridgeChemicals | SEC FORM 4 Sold | $26K4,000 at $6.47 | filing |
| 20 Nov 2023filed 22 Nov 2023 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —10,076 at $0.00 | filing |
| 3 Jan 2023filed 5 Jan 2023 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —10,417 at $0.00 | filing |
| 28 Mar 2022filed 29 Mar 2022 | LTBR LightbridgeChemicals | SEC FORM 4 Sold | $13K1,500 at $8.94 | filing |
| 18 Nov 2021filed 22 Nov 2021 | LTBR LightbridgeChemicals | SEC FORM 4 Code A | —3,274 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.