Who
John F. Glick
Director
Company insider
Files Form 4 as: Director, Tetra Technologies; President & CEO, Lufkin Industries.
In numbers
- Trades disclosed
- 260
- Buys
- 5
- Sells
- 11
- Bought
- $452K
- Sold
- $12.4M
- Companies
- 2
- Companies where not an officer
- 1
- First trade
- 9 Nov 2004
- Last trade
- 12 Jun 2026
- Last filed
- 15 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 | |
|---|---|---|---|---|
| 12 Jun 2026filed 15 Jun 2026 | TTI Tetra TechnologiesOil & Gas E&P | SEC FORM 4 Code M | —51,441 at $0.00 | filing |
| 12 Jun 2026filed 15 Jun 2026 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code M | —51,441 at $0.00 | filing |
| 12 Jun 2026filed 15 Jun 2026 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code M | —51,441 at $0.00 | filing |
| 12 Jun 2026filed 15 Jun 2026 | TTI Tetra TechnologiesOil & Gas E&P | SEC FORM 4 Code M | —51,441 at $0.00 | filing |
| 22 May 2026filed 26 May 2026 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —17,983 at $0.00 | filing |
| 22 May 2026filed 26 May 2026 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —17,983 at $0.00 | filing |
| 12 Jun 2025filed 16 Jun 2025 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —51,441 at $0.00 | filing |
| 21 May 2025filed 22 May 2025 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code M | —36,206 at $0.00 | filing |
| 21 May 2025filed 22 May 2025 | TTI Tetra TechnologiesOil & Gas E&P | SEC FORM 4 Code M | —36,206 at $0.00 | filing |
| 24 May 2024filed 29 May 2024 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code M | —53,305 at $0.00 | filing |
| 24 May 2024filed 29 May 2024 | TTI Tetra TechnologiesOil & Gas E&P | SEC FORM 4 Code M | —53,305 at $0.00 | filing |
| 21 May 2024filed 22 May 2024 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —36,206 at $0.00 | filing |
| 24 May 2023filed 26 May 2023 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —53,305 at $0.00 | filing |
| 24 May 2023filed 26 May 2023 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code M | —24,022 at $0.00 | filing |
| 24 May 2023filed 26 May 2023 | TTI Tetra TechnologiesOil & Gas E&P | SEC FORM 4 Code M | —24,022 at $0.00 | filing |
| 26 May 2022filed 27 May 2022 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code M | —31,216 at $0.00 | filing |
| 26 May 2022filed 27 May 2022 | TTI Tetra TechnologiesOil & Gas E&P | SEC FORM 4 Code M | —31,216 at $0.00 | filing |
| 23 May 2022filed 25 May 2022 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —24,022 at $0.00 | filing |
| 26 May 2021filed 27 May 2021 | TTI Tetra Technologiesoption or derivative · Oil & Gas E&P | SEC FORM 4 Code A | —31,216 at $0.00 | filing |
| 22 Jun 2020filed 23 Jun 2020 | TTI Tetra TechnologiesOil & Gas E&P | SEC FORM 4 Bought | $108K250,000 at $0.43 | filing |
News
No headline names them, or the companies they trade most, lately.