Who
Marcus J. George
Director
Company insider
Files Form 4 as: Director and 10% owner, Thermon Group Holdings; Director, CECO Environmental; Director and 10% owner, GSE Holding.
In numbers
- Trades disclosed
- 69
- Buys
- 3
- Sells
- 3
- Bought
- $64K
- Sold
- $242.4M
- Companies
- 3
- Companies where not an officer
- 3
- First trade
- 10 May 2011
- Last trade
- 1 Jun 2026
- Last filed
- 3 Jun 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 | |
|---|---|---|---|---|
| 1 Jun 2026filed 3 Jun 2026 | Thermon Group HoldingsElectrical Equipment & Grid | SEC FORM 4 Code D | —52,639 | filing |
| 1 Jun 2026filed 3 Jun 2026 | Thermon Group HoldingsElectrical Equipment & Grid | SEC FORM 4 Code D | —50 | filing |
| 1 Jun 2026filed 3 Jun 2026 | Thermon Group Holdings | SEC FORM 4 Code D | —52,639 | filing |
| 1 Jun 2026filed 3 Jun 2026 | Thermon Group Holdings | SEC FORM 4 Code D | —50 | filing |
| 1 Jun 2026filed 3 Jun 2026 | CECO EnvironmentalMachinery | SEC FORM 4 Code A | —36,690 | filing |
| 1 Jun 2026filed 3 Jun 2026 | CECO EnvironmentalMachinery | SEC FORM 4 Code A | —2,215 at $0.00 | filing |
| 1 Jun 2026filed 3 Jun 2026 | CECO CECO EnvironmentalMachinery | SEC FORM 4 Code A | —36,690 | filing |
| 1 Jun 2026filed 3 Jun 2026 | CECO CECO EnvironmentalMachinery | SEC FORM 4 Code A | —2,215 at $0.00 | filing |
| 1 Apr 2026filed 2 Apr 2026 | Thermon Group HoldingsElectrical Equipment & Grid | SEC FORM 4 Code A | $27K531 at $51.78 | filing |
| 1 Apr 2026filed 2 Apr 2026 | Thermon Group Holdings | SEC FORM 4 Code A | $27K531 at $51.78 | filing |
| 1 Jan 2026filed 5 Jan 2026 | Thermon Group HoldingsElectrical Equipment & Grid | SEC FORM 4 Code A | $27K740 at $37.16 | filing |
| 1 Jan 2026filed 5 Jan 2026 | Thermon Group Holdings | SEC FORM 4 Code A | $27K740 at $37.16 | filing |
| 1 Oct 2025filed 2 Oct 2025 | Thermon Group Holdings | SEC FORM 4 Code A | $27K1,008 at $27.28 | filing |
| 1 Jul 2025filed 2 Jul 2025 | Thermon Group Holdings | SEC FORM 4 Code A | $24K830 at $28.61 | filing |
| 1 Apr 2025filed 2 Apr 2025 | Thermon Group Holdings | SEC FORM 4 Code A | $24K843 at $28.14 | filing |
| 1 Jan 2025filed 3 Jan 2025 | Thermon Group Holdings | SEC FORM 4 Code A | $24K825 at $28.77 | filing |
| 1 Oct 2024filed 2 Oct 2024 | Thermon Group Holdings | SEC FORM 4 Code A | $24K805 at $29.49 | filing |
| 1 Jul 2024filed 2 Oct 2024 | Thermon Group Holdings | SEC FORM 4 Code A | $24K798 at $29.74 | filing |
| 1 Apr 2024filed 3 Apr 2024 | Thermon Group Holdings | SEC FORM 4 Code A | $24K722 at $32.88 | filing |
| 1 Jan 2024filed 3 Jan 2024 | Thermon Group Holdings | SEC FORM 4 Code A | $24K729 at $32.57 | filing |
News
No headline names them, or the companies they trade most, lately.