美国 · SEC FORM 4
908 Devices Inc.
MASS · Nasdaq · CIK 0001555279 · Healthcare · Medical Devices
内部人信号
0 qualifying P purchase groups
当前 180 天评分窗口
62 同一窗口内观察到的 Form 4 交易行
49 sales · 13 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; 6 additional owner(s) remain in Form 4 申报证据.
买方广度、集中度与聚集买入
合资格买入进入 180 天研究窗口后,这些模块才会启用。
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: 2025-05-15 · Knopp Kevin J..
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
- 2,727,932
- 上期报告
- 2,746,771
- 日均成交量
- 421,862
- 回补天数
- 6.5
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 |
|---|---|---|---|---|---|---|---|
| 2025-05-15 | Knopp Kevin J. | 买入 (P) | Common Stock | 15,000 | USD 4.44 | USD 66,600 | SEC 申报 ↗ |
| 2025-05-14 | Spoto Mark | 买入 (P) | Common Stock | 10,000 | USD 4.29 | USD 42,850 | SEC 申报 ↗ |
| 2025-05-14 | Knopp Kevin J. | 买入 (P) | Common Stock | 15,000 | USD 4.32 | USD 64,800 | SEC 申报 ↗ |
| 2024-05-13 | Knopp Kevin J. | 买入 (P) | Common Stock | 10,000 | USD 6.42 | USD 64,200 | SEC 申报 ↗ |
| 2024-05-10 | Knopp Kevin J. | 买入 (P) | Common Stock | 10,000 | USD 5.77 | USD 57,700 | SEC 申报 ↗ |
| 2024-05-09 | Knopp Kevin J. | 买入 (P) | Common Stock | 10,000 | USD 5.83 | USD 58,300 | SEC 申报 ↗ |
| 2024-05-08 | Knopp Kevin J. | 买入 (P) | Common Stock | 10,000 | USD 5.72 | USD 57,200 | SEC 申报 ↗ |
| 2024-05-07 | Knopp Kevin J. | 买入 (P) | Common Stock | 10,000 | USD 5.60 | USD 56,000 | SEC 申报 ↗ |
| 2022-11-22 | Spoto Mark | 买入 (P) | Common Stock, par value $0.001 | 2,585 | USD 9.65 | USD 24,945 | SEC 申报 ↗ |
| 2020-12-22 | Turner Michael S. | 买入 (P) | Common Stock, par value $0.001 | 5,000 | USD 20.00 | USD 100,000 | SEC 申报 ↗ |
| 2020-12-22 | Spoto Mark | 买入 (P) | Common Stock, par value $0.001 | 1,000 | USD 20.00 | USD 20,000 | SEC 申报 ↗ |
| 2020-12-22 | Kedar Sharon | 买入 (P) | Common Stock, par value $0.001 | 100,000 | USD 20.00 | USD 2,000,000 | SEC 申报 ↗ |
| 2020-12-22 | HRUSOVSKY E KEVIN | 买入 (P) | Common Stock, par value $0.001 | 50,000 | USD 20.00 | USD 1,000,000 | SEC 申报 ↗ |
| 2020-12-22 | CRANDELL KEITH | 买入 (P) | Common Stock, par value $0.001 | 300,000 | USD 20.00 | USD 6,000,000 | SEC 申报 ↗ |
| 2020-12-22 | Basarsky Trent A. | 买入 (P) | Common Stock, par value $0.001 | 5,000 | USD 20.00 | USD 100,000 | SEC 申报 ↗ |
Form 4 申报证据
88 transaction lines in the latest 365-day window; 430 in local history.
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-10-07 | Brown Christopher D. | 卖出 (S) | Common Stock | 30,000 | USD 11.89 | USD 356,700 | SEC 申报 ↗ |
| 2026-10-07 | Brown Christopher D. | 期权行权/转换 (M) | Common Stock | 60,000 | USD 1.75 | USD 105,000 | SEC 申报 ↗ |
| 2026-10-06 | Griffith Joseph H. IV | 卖出 (S) | Common Stock | 5,000 | USD 13.03 | USD 65,150 | 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 |
|---|---|---|---|---|---|---|---|
| 2026-10-07 | Brown Christopher D. | 卖出 (S) | Common Stock | 30,000 | USD 11.89 | USD 356,700 | SEC 申报 ↗ |
| 2026-10-07 | Brown Christopher D. | 期权行权/转换 (M) | Common Stock | 60,000 | USD 1.75 | USD 105,000 | SEC 申报 ↗ |
| 2026-10-06 | Griffith Joseph H. IV | 卖出 (S) | Common Stock | 5,000 | USD 13.03 | USD 65,150 | SEC 申报 ↗ |
| 2026-09-29 | AWM Investment Company, Inc. | 卖出 (S) | Common Stock | 18,000 | USD 11.52 | USD 207,322 | SEC 申报 ↗ |
| 2026-09-24 | AWM Investment Company, Inc. | 卖出 (S) | Common Stock | 24,000 | USD 11.36 | USD 272,640 | SEC 申报 ↗ |
| 2026-09-23 | AWM Investment Company, Inc. | 卖出 (S) | Common Stock | 1,000 | USD 11.25 | USD 11,250 | SEC 申报 ↗ |
| 2026-09-17 | Kenneweg John | 卖出 (S) | Common Stock | 5,257 | USD 10.22 | USD 53,727 | SEC 申报 ↗ |
| 2026-09-17 | Kenneweg John | 期权行权/转换 (M) | Common Stock | 5,257 | USD 0.96 | USD 5,047 | SEC 申报 ↗ |
| 2026-09-16 | Kenneweg John | 卖出 (S) | Common Stock | 21,399 | USD 10.11 | USD 216,344 | SEC 申报 ↗ |
| 2026-09-16 | Kenneweg John | 期权行权/转换 (M) | Common Stock | 21,399 | USD 0.96 | USD 20,543 | SEC 申报 ↗ |
| 2026-09-15 | Kenneweg John | 卖出 (S) | Common Stock | 1,000 | USD 10.00 | USD 10,000 | SEC 申报 ↗ |
| 2026-09-15 | Kenneweg John | 期权行权/转换 (M) | Common Stock | 1,000 | USD 0.96 | USD 960 | SEC 申报 ↗ |
| 2026-09-02 | Brown Christopher D. | 卖出 (S) | Common Stock | 30,000 | USD 10.58 | USD 317,400 | SEC 申报 ↗ |
| 2026-08-25 | Griffith Joseph H. IV | 卖出 (S) | Common Stock | 11,459 | USD 10.95 | USD 125,476 | SEC 申报 ↗ |
| 2026-08-21 | AWM Investment Company, Inc. | 卖出 (S) | Common Stock | 41,578 | USD 10.61 | USD 441,143 | SEC 申报 ↗ |
| 2026-08-20 | AWM Investment Company, Inc. | 卖出 (S) | Common Stock | 8,422 | USD 10.52 | USD 88,599 | SEC 申报 ↗ |
| 2026-08-17 | Knopp Kevin J. | 卖出 (S) | Common Stock | 20,000 | USD 10.35 | USD 207,000 | SEC 申报 ↗ |
| 2026-08-13 | Knopp Kevin J. | 卖出 (S) | Common Stock | 7,622 | USD 10.06 | USD 76,677 | SEC 申报 ↗ |
| 2026-08-12 | Knopp Kevin J. | 卖出 (S) | Common Stock | 2,747 | USD 10.07 | USD 27,662 | SEC 申报 ↗ |
| 2026-08-11 | Knopp Kevin J. | 卖出 (S) | Common Stock | 145,918 | USD 9.90 | USD 1,444,330 | SEC 申报 ↗ |
| 2026-08-11 | Brown Christopher D. | 卖出 (S) | Common Stock | 8,358 | USD 9.23 | USD 77,144 | SEC 申报 ↗ |
| 2026-08-10 | Knopp Kevin J. | 卖出 (S) | Common Stock | 348 | USD 9.06 | USD 3,153 | SEC 申报 ↗ |
| 2026-08-10 | Brown Christopher D. | 卖出 (S) | Common Stock | 9,442 | USD 9.03 | USD 85,261 | SEC 申报 ↗ |
| 2026-08-05 | Brown Christopher D. | 卖出 (S) | Common Stock | 20,000 | USD 8.49 | USD 169,800 | SEC 申报 ↗ |
| 2026-08-04 | AWM Investment Company, Inc. | 卖出 (S) | Common Stock | 50,000 | USD 8.36 | USD 418,000 | SEC 申报 ↗ |
| 2026-08-01 | Vann Brandi C | 期权行权/转换 (M) | Common Stock | 5,192 | USD — | USD — | SEC 申报 ↗ |
| 2026-07-02 | Knopp Kevin J. | 卖出 (S) | Common Stock | 222 | USD 9.07 | USD 2,014 | SEC 申报 ↗ |
| 2026-07-02 | Brown Christopher D. | 卖出 (S) | Common Stock | 2,200 | USD 9.02 | USD 19,844 | SEC 申报 ↗ |
| 2026-06-30 | Brown Christopher D. | 卖出 (S) | Common Stock | 20,000 | USD 8.84 | USD 176,800 | SEC 申报 ↗ |
| 2026-06-26 | Knopp Kevin J. | 卖出 (S) | Common Stock | 2,798 | USD 9.09 | USD 25,434 | 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 | MASS |
| CIK | 0001555279 |
| 行业 | Healthcare |
| 细分行业 | Medical Devices Yahoo Finance |
| SEC SIC | 3826 Laboratory Analytical Instruments |
| 交易所 | Nasdaq |
数据覆盖
| 本地 Form 4 历史 | 430 transaction lines from 2020-12-22 to 2026-10-07 18 P purchase lines · 232 S sale lines · 180 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.