![José Roberto Costa Diniz](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
José Roberto Costa Diniz
Chief Investment Officer at
Phronesis Investimentos Ltda.
Finance
This page is reserved for members. To continue, you must log in or create an account.
Latest insider transactions
| Date | Company | Type | Amount | Volume |
| 26/05/2026 | Nova Dynamics | Buy | 1 250 000 $ | 32 000 |
| 21/05/2026 | Helios Materials | Sell | 845 000 $ | 19 500 |
| 14/05/2026 | Atlas Renewables | Buy | 2 030 000 $ | 48 200 |
Estimated holdings
| Company | Stake | Value |
| Nova Dynamics | 4.8 % | 18 400 000 $ |
| Helios Materials | 2.1 % | 6 950 000 $ |
| Atlas Renewables | 1.3 % | 3 280 000 $ |
| BluePeak Logistics | 0.9 % | 2 040 000 $ |
Related news feed
An executive increases exposure to an industrial stock
Sector rotation: insiders are more active on clean energy names
New regulatory filing published for executive transactions
Professional network
Executive Management
Board of Directors
Audit Committee
Institutional Investors
Sell-side Analysts
Career timeline
2026 - Chairman of the Board
2022 - Chief Executive Officer
2018 - Chief Financial Officer
2012 - Strategy Committee Member
