Green Christopher M. (CIK 1968347) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-20). Recent activity: Buy SND (12,176 shares), Sell SND (13,874 shares), Sell SND (1,738 shares), Sell SND (1,717 shares), Sell SND (1,268 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-20 | Smart Sand, Inc. (SND) | Vice President of Accounting | Buy | 12,176 | $0 |
| 2026-08-17 | Smart Sand, Inc. (SND) | Vice President of Accounting | Sell | 13,874 | $70,202 |
| 2026-07-27 | Smart Sand, Inc. (SND) | Vice President of Accounting | Sell | 1,738 | $8,360 |
| 2026-07-13 | Smart Sand, Inc. (SND) | Vice President of Accounting | Sell | 1,717 | $8,242 |
| 2026-01-05 | Smart Sand, Inc. (SND) | Vice President of Accounting | Sell | 1,268 | $5,072 |
| 2025-12-18 | Smart Sand, Inc. (SND) | Vice President of Accounting | Sell | 1,069 | $3,880 |
| 2025-09-02 | Smart Sand, Inc. (SND) | Vice President of Accounting | Sell | 11,500 | $22,425 |
| 2025-07-31 | Smart Sand, Inc. (SND) | Vice President of Accounting | Sell | 908 | $1,889 |
| 2025-07-24 | Smart Sand, Inc. (SND) | Vice President of Accounting | Buy | 24,390 | $0 |
| 2025-07-14 | Smart Sand, Inc. (SND) | Vice President of Accounting | Sell | 2,038 | $4,219 |
Source: SEC Form 4 filings · as of 2026-08-20