美国 · SEC FORM 4
Smart Sand, Inc.
SND · Nasdaq · CIK 0001529628 · Basic Materials · Oil & Gas Equipment & Services
内部人信号
1 qualifying P purchase group
当前 180 天评分窗口
30 同一窗口内观察到的 Form 4 交易行
10 sales · 19 期权、代扣税、授予、赠与或其他交易行
为什么没有活跃信号？
评分构成
活跃窗口内没有合资格买入，因此不计算分数。缺失的输入不会被当作零分或看空信号。
为什么没有分数？
- 没有合资格公开市场买入可提供聚集度、规模、角色、近期性或确信度输入。
- 卖出及其他 Form 4 活动继续作为背景显示，不会形成负分。
卖出和其他 Form 4 活动会单独显示，不会形成负面买入信号。没有买入不会被评分为看空。
内部人活动时间轴
申报人轨道展示最近 180 天。符号形状区分交易类型；卖出仅作为背景。
Showing the six most active owners; 5 additional owner(s) remain in Form 4 申报证据.
买方广度与集中度
Roles in the peak window: SEE REMARKS. Concentration uses priced qualifying P lines only and does not change the saved score.
信号历史
Scores are archived only when the company qualifies for a published US buy-signal snapshot. 最近一次合资格买入: 2026-05-29 · WHELAN RONALD P.
近期 Form 4 活动
P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.
市场背景
该股票尚未获取市场背景。每日任务会轮转处理美国股票池。
空头余额
空头余额是券商向 FINRA 申报的外部背景数据，不影响内部人信号。
- 空头股数
- 2,041,062
- 上期报告
- 2,065,789
- 日均成交量
- 328,183
- 回补天数
- 6.2
FINRA 结算日：2026-09-30 · 获取日期 2026-10-12 · FINRA 股票空头余额 ↗. 这是股数，每月两个结算日之后约一周公布；不是占已发行股份的比例。
历史股票买入
Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.
| Transaction date | Reporting owner | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-05-29 | WHELAN RONALD P | 买入 (P) | Common Stock | 4,444 | USD 4.50 | USD 19,998 | SEC 申报 ↗ |
| 2025-11-28 | WHELAN RONALD P | 买入 (P) | Common Stock | 4,325 | USD 2.91 | USD 12,586 | SEC 申报 ↗ |
| 2025-11-26 | WHELAN RONALD P | 买入 (P) | Common Stock | 3,333 | USD 2.94 | USD 9,799 | SEC 申报 ↗ |
| 2025-09-05 | YOUNG CHARLES EDWIN | 买入 (P) | Common Stock | 20,000 | USD 1.91 | USD 38,200 | SEC 申报 ↗ |
| 2025-09-04 | YOUNG CHARLES EDWIN | 买入 (P) | Common Stock | 8,401 | USD 1.92 | USD 16,130 | SEC 申报 ↗ |
| 2025-09-03 | YOUNG CHARLES EDWIN | 买入 (P) | Common Stock | 10,630 | USD 1.89 | USD 20,091 | SEC 申报 ↗ |
| 2025-08-19 | YOUNG CHARLES EDWIN | 买入 (P) | Common Stock | 8,910 | USD 1.96 | USD 17,464 | SEC 申报 ↗ |
| 2025-08-18 | YOUNG CHARLES EDWIN | 买入 (P) | Common Stock | 11,498 | USD 1.87 | USD 21,501 | SEC 申报 ↗ |
| 2025-08-15 | YOUNG CHARLES EDWIN | 买入 (P) | Common Stock | 29,592 | USD 1.92 | USD 56,817 | SEC 申报 ↗ |
Form 4 申报证据
78 transaction lines in the latest 365-day window; 389 in local history.
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-08-24 | Young James Douglas | 卖出 (S) | Common Stock | 2,236 | USD 4.70 | USD 10,509 | SEC 申报 ↗ |
| 2026-08-21 | Young James Douglas | 卖出 (S) | Common Stock | 19,078 | USD 4.83 | USD 92,147 | SEC 申报 ↗ |
| 2026-08-20 | Young James Douglas | 卖出 (S) | Common Stock | 25,716 | USD 4.83 | USD 124,208 | SEC 申报 ↗ |
展开近期 Form 4 证据 (30 grouped rows)
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-08-24 | Young James Douglas | 卖出 (S) | Common Stock | 2,236 | USD 4.70 | USD 10,509 | SEC 申报 ↗ |
| 2026-08-21 | Young James Douglas | 卖出 (S) | Common Stock | 19,078 | USD 4.83 | USD 92,147 | SEC 申报 ↗ |
| 2026-08-20 | Young James Douglas | 卖出 (S) | Common Stock | 25,716 | USD 4.83 | USD 124,208 | SEC 申报 ↗ |
| 2026-08-19 | Young James Douglas | 奖励／授予 (A) | Common Stock | 62,893 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-19 | YOUNG WILLIAM JOHN | 奖励／授予 (A) | Common Stock | 62,893 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-19 | WHELAN RONALD P | 奖励／授予 (A) | Common Stock | 41,929 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-19 | Spurlin Sharon | 奖励／授予 (A) | Common Stock | 18,868 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-19 | SPEAKER ANDREW R | 奖励／授予 (A) | Common Stock | 18,868 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-19 | Porcelli Francis Michael | 奖励／授予 (A) | Common Stock | 18,868 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-19 | Pawlenty Timothy | 奖励／授予 (A) | Common Stock | 18,868 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-19 | KISZKA ROBERT | 奖励／授予 (A) | Common Stock | 41,929 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-19 | KEYSTONE CRANBERRY, LLC; YOUNG CHARLES EDWIN | 奖励／授予 (A) | Common Stock | 110,063 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-19 | Green Christopher M. | 奖励／授予 (A) | Common Stock, par value $0.001 per share | 12,176 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-19 | Beckelman Lee E | 奖励／授予 (A) | Common Stock | 62,893 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-19 | Young James Douglas | 卖出 (S) | Common Stock | 11,669 | USD 4.84 | USD 56,478 | SEC 申报 ↗ |
| 2026-08-19 | Beckelman Lee E | 卖出 (S) | Common Stock | 50,000 | USD 4.79 | USD 239,500 | SEC 申报 ↗ |
| 2026-08-18 | Young James Douglas | 卖出 (S) | Common Stock | 16,301 | USD 4.93 | USD 80,364 | SEC 申报 ↗ |
| 2026-08-17 | Spurlin Sharon | 卖出 (S) | Common Stock | 2,700 | USD 5.10 | USD 13,770 | SEC 申报 ↗ |
| 2026-08-14 | Spurlin Sharon | 卖出 (S) | Common Stock | 15,000 | USD 5.06 | USD 75,900 | SEC 申报 ↗ |
| 2026-08-14 | Green Christopher M. | 卖出 (S) | Common Stock, par value $0.001 per share | 13,874 | USD 5.06 | USD 70,202 | SEC 申报 ↗ |
| 2026-07-23 | Green Christopher M. | 代扣税 (F) | Common Stock, par value $0.001 per share | 1,738 | USD 4.81 | USD 8,360 | SEC 申报 ↗ |
| 2026-07-10 | Green Christopher M. | 代扣税 (F) | Common Stock, par value $0.001 per share | 1,717 | USD 4.80 | USD 8,242 | SEC 申报 ↗ |
| 2026-06-05 | Young James Douglas | 代扣税 (F) | Common Stock | 2,500 | USD 5.45 | USD 13,625 | SEC 申报 ↗ |
| 2026-06-05 | YOUNG WILLIAM JOHN | 代扣税 (F) | Common Stock | 3,885 | USD 5.45 | USD 21,173 | SEC 申报 ↗ |
| 2026-06-05 | WHELAN RONALD P | 代扣税 (F) | Common Stock | 2,614 | USD 5.45 | USD 14,246 | SEC 申报 ↗ |
| 2026-06-05 | KISZKA ROBERT | 代扣税 (F) | Common Stock | 2,591 | USD 5.45 | USD 14,121 | SEC 申报 ↗ |
| 2026-06-05 | KEYSTONE CRANBERRY, LLC; YOUNG CHARLES EDWIN | 代扣税 (F) | Common Stock | 5,811 | USD 5.45 | USD 31,670 | SEC 申报 ↗ |
| 2026-06-05 | Beckelman Lee E | 代扣税 (F) | Common Stock | 3,321 | USD 5.45 | USD 18,099 | SEC 申报 ↗ |
| 2026-05-29 | WHELAN RONALD P | 买入 (P) | Common Stock | 4,444 | USD 4.50 | USD 19,998 | SEC 申报 ↗ |
| 2026-05-26 | Spurlin Sharon | 卖出 (S) | Common Stock | 50,000 | USD 4.93 | USD 246,500 | SEC 申报 ↗ |
Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.
快照与身份
| 快照日期 | 2026-10-18 |
|---|---|
| 排名版本 | US-v1.2 |
| 数据质量 | PASS ELIGIBLE · — |
| 股票代码 | SND |
| CIK | 0001529628 |
| 行业 | Basic Materials |
| 细分行业 | Oil & Gas Equipment & Services Yahoo Finance |
| SEC SIC | 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels) |
| 交易所 | Nasdaq |
数据覆盖
| 本地 Form 4 历史 | 389 transaction lines from 2020-02-14 to 2026-08-24 9 P purchase lines · 37 S sale lines · 343 other lines |
|---|---|
| SEC 公司申报 | 打开 SEC 申报 ↗ |
Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.