KISZKA ROBERT 内部人交易：近期 SEC Form 4 交易
过去 18 个月，KISZKA ROBERT（CIK 1687112）在 1 家公司共报告 11 笔 SEC Form 4 内部人交易（最近一笔 2026-08-20）。
| 日期 | 公司 | 身份 | 类型 | 股数 | 市值 |
|---|---|---|---|---|---|
| 2026-08-20 | Smart Sand, Inc. (SND) | Executive VP of Operations | 买入 | 41,929 | $0 |
| 2026-06-09 | Smart Sand, Inc. (SND) | Executive VP of Operations | 卖出 | 2,591 | $14,121 |
| 2026-03-19 | Smart Sand, Inc. (SND) | Executive VP of Operations | 卖出 | 2,591 | $10,571 |
| 2026-03-03 | Smart Sand, Inc. (SND) | Executive VP of Operations | 卖出 | 6,194 | $32,147 |
| 2026-03-03 | Smart Sand, Inc. (SND) | Executive VP of Operations | 买入 | 18,587 | $0 |
| 2026-03-03 | Smart Sand, Inc. (SND) | Executive VP of Operations | 买入 | 21,874 | $0 |
| 2026-03-03 | Smart Sand, Inc. (SND) | Executive VP of Operations | 卖出 | 11,515 | $59,763 |
| 2026-03-03 | Smart Sand, Inc. (SND) | Executive VP of Operations | 卖出 | 6,194 | $32,147 |
| 2026-02-24 | Smart Sand, Inc. (SND) | Executive VP of Operations | 卖出 | 8,618 | $45,244 |
| 2025-07-31 | Smart Sand, Inc. (SND) | Executive VP of Operations | 卖出 | 5,034 | $10,471 |
| 2025-06-10 | Smart Sand, Inc. (SND) | Executive VP of Operations | 卖出 | 2,591 | $4,975 |
来源：SEC Form 4 申报文件 · 截至 2026-08-20