Kramer Kevin B (CIK 1549592) reported 8 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-18). Recent activity: Buy KRO (3,731 shares), Buy KRO (3,735 shares), Buy KRO (335 shares), Buy KRO (6,800 shares), Buy NL (6,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-18 | KRONOS WORLDWIDE INC (KRO) | Director | Buy | 3,731 | $24,998 |
| 2026-05-18 | KRONOS WORLDWIDE INC (KRO) | Director | Buy | 3,735 | $25,211 |
| 2026-05-18 | KRONOS WORLDWIDE INC (KRO) | Director | Buy | 335 | $2,265 |
| 2026-05-18 | KRONOS WORLDWIDE INC (KRO) | Director | Buy | 6,800 | $46,036 |
| 2026-05-15 | NL INDUSTRIES INC (NL) | Director | Buy | 6,000 | $40,020 |
| 2026-05-14 | KRONOS WORLDWIDE INC (KRO) | Director | Buy | 5,550 | $40,071 |
| 2025-05-16 | NL INDUSTRIES INC (NL) | Director | Buy | 2,500 | $20,100 |
| 2025-05-15 | KRONOS WORLDWIDE INC (KRO) | Director | Buy | 2,800 | $20,076 |
来源：SEC Form 4 申报文件 · 截至 2026-05-18