KISZKA ROBERT (CIK 1687112) reported 16 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-09). Recent activity: Sell SND (2,591 shares), Sell SND (2,591 shares), Sell SND (6,194 shares), Buy SND (18,587 shares), Buy SND (21,874 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-09 | Smart Sand, Inc. (SND) | Executive VP of Operations | Sell | 2,591 | $14,121 |
| 2026-03-19 | Smart Sand, Inc. (SND) | Executive VP of Operations | Sell | 2,591 | $10,571 |
| 2026-03-03 | Smart Sand, Inc. (SND) | Executive VP of Operations | Sell | 6,194 | $32,147 |
| 2026-03-03 | Smart Sand, Inc. (SND) | Executive VP of Operations | Buy | 18,587 | $0 |
| 2026-03-03 | Smart Sand, Inc. (SND) | Executive VP of Operations | Buy | 21,874 | $0 |
| 2026-03-03 | Smart Sand, Inc. (SND) | Executive VP of Operations | Sell | 11,515 | $59,763 |
| 2026-03-03 | Smart Sand, Inc. (SND) | Executive VP of Operations | Sell | 6,194 | $32,147 |
| 2026-02-24 | Smart Sand, Inc. (SND) | Executive VP of Operations | Sell | 8,618 | $45,244 |
| 2025-07-31 | Smart Sand, Inc. (SND) | Executive VP of Operations | Sell | 5,034 | $10,471 |
| 2025-06-10 | Smart Sand, Inc. (SND) | Executive VP of Operations | Sell | 2,591 | $4,975 |
| 2025-03-19 | Smart Sand, Inc. (SND) | Executive VP of Operations | Sell | 2,591 | $6,167 |
| 2025-03-07 | Smart Sand, Inc. (SND) | Executive VP of Operations | Buy | 8,363 | $0 |
| 2025-03-07 | Smart Sand, Inc. (SND) | Executive VP of Operations | Buy | 8,970 | $0 |
| 2025-03-07 | Smart Sand, Inc. (SND) | Executive VP of Operations | Sell | 5,857 | $12,300 |
| 2025-03-04 | Smart Sand, Inc. (SND) | Executive VP of Operations | Buy | 86,957 | $0 |
| 2025-02-25 | Smart Sand, Inc. (SND) | Executive VP of Operations | Sell | 8,709 | $19,595 |
Source: SEC Form 4 filings · as of 2026-06-09