Platt Joseph P JR (CIK 1399967) reported 9 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-20). Recent activity: Sell GLRE (23,613 shares), Sell GLRE (12,000 shares), Sell GLRE (6,820 shares), Sell GLRE (820 shares), Buy CNR (1,610 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-20 | GREENLIGHT CAPITAL RE, LTD. (GLRE) | Director | Sell | 23,613 | $425,270 |
| 2026-05-18 | GREENLIGHT CAPITAL RE, LTD. (GLRE) | Director | Sell | 12,000 | $210,000 |
| 2026-05-14 | GREENLIGHT CAPITAL RE, LTD. (GLRE) | Director | Sell | 6,820 | $119,350 |
| 2026-05-14 | GREENLIGHT CAPITAL RE, LTD. (GLRE) | Director | Sell | 820 | $14,350 |
| 2026-02-19 | Core Natural Resources, Inc. (CNR) | Director | Buy | 1,610 | $0 |
| 2025-11-19 | GREENLIGHT CAPITAL RE, LTD. (GLRE) | Director | Buy | 5,000 | $64,850 |
| 2025-08-08 | GREENLIGHT CAPITAL RE, LTD. (GLRE) | Director | Buy | 8,046 | $0 |
| 2025-02-20 | Core Natural Resources, Inc. (CNR) | Director | Buy | 1,674 | $0 |
| 2025-02-20 | Core Natural Resources, Inc. (CNR) | Director | Buy | 1,674 | $0 |
Source: SEC Form 4 filings · as of 2026-05-20