美国 · SEC Form 4 · 快照日期： 2026-10-19 · 构建时间： 2026-10-19 · English

美国 · SEC FORM 4

Quanterix Corp

QTRX · Nasdaq · CIK 0001503274 · Healthcare · Medical Devices

内部人信号

57.6 / 100

2 位买方 · 3 条买入交易行 · $296.0K 买入总额

为什么有这个信号？

买方广度较低

买入规模中等

角色较强

近期性较低

确信度较强

评分构成

每条进度条表示其对当前分数的贡献；权重和公式保持不变。

Cluster+14.0 / 35

买入规模+12.3 / 25

角色+18.0 / 20

近期性+3.3 / 10

确信度+10.0 / 10

哪些因素限制了当前分数？

⚠ Cluster breadth is moderate · 2 insider(s), not 4+
⚠ Purchase size is modest relative to the model scale
⚠ Purchase activity is becoming less recent
✓ 角色得分高 · 买入者中职位最高的是：Chief Commercial Officer

Purchase-size comments are relative to the model scale. Average daily volume is a separate market-context diagnostic.

US-v1.2 按当前 180 天规则给合资格的股票买入打分。分数只表示研究的先后，不是收益预测或概率。回测没有显示美国分数越高、之后的表现越好。

买方广度与集中度

合资格买方2

买入集中度97%最大买方： DONNELLY WILLIAM P · $286.4K

聚集买入 · 15天1 insider峰值活动： 2026-05-12–2026-05-12

Roles in the peak window: Chief Commercial Officer. Concentration uses priced qualifying P lines only and does not change the saved score.

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。

AprMayJunJulAugSepOct

Miller Michael FrancisChief Technology Officer

○○○○○○○○○○○○○○○○○○

DONNELLY WILLIAM PDirector

○●●○○

Mendel ScottDirector

○○○

Sriram VandanaChief Financial Officer

○○○

Magovcevic-Liebisch IvanaDirector

○

Elliott Jeffrey ThomasDirector

○

● 买入▼ 卖出○ 其他

Showing the six most active owners; 1 additional owner(s) remain in Form 4 申报证据.

信号历史

57.6 / 100

近期 Form 4 活动

3买入

0卖出

145其他 Form 4 交易行

53SEC 申报 · 365天

买入3 qualifying P line(s) · 180 days

卖出0 sale line(s) · 仅供背景

其他85 exercise / withholding / award / gift / other lines

10b5-1／计划交易Not detected in parsed evidence

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

市场背景补充近期价格表现与风险信息，不影响内部人信号。

价格表现

1M: +31.2%
3M: -15.5%
6M: -2.4%
12M: -45.3%

波动率与流动性

波动率: 87.2%
Beta: —
平均每日成交额: USD 2.5M

估值

市值: USD 155.1M
P/E: —

基本面

利润率: -77.2%
ROE: -36.2%
细分行业: Medical Devices

市场数据

价格数据截至：2026-10-11 · 价格来源：OpenBB/yfinance; 成交量来自本机价格缓存 (yfinance) · 来自 SEC 申报文件：市值, 利润率, ROE · 财年截止日：2025-12-31 · 市值 = 申报文件封面所列的已发行股数 × 最新收盘价。股数日期：2026-08-03 · Status: PASS

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: 5,046,958
上期报告: 4,976,711
日均成交量: 679,618
回补天数: 7.4

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
2026-08-13	DONNELLY WILLIAM P	买入 (P)	Common Stock	72,245	USD 2.93	USD 211,678	SEC 申报 ↗
2026-08-12	DONNELLY WILLIAM P	买入 (P)	Common Stock	27,155	USD 2.75	USD 74,676	SEC 申报 ↗
2026-05-12	Meadows Benjamin	买入 (P)	Common Stock	3,500	USD 2.77	USD 9,695	SEC 申报 ↗
2025-09-12	Sriram Vandana	买入 (P)	Common Stock	4,150	USD 4.79	USD 19,878	SEC 申报 ↗
2025-06-13	WALT DAVID R	买入 (P)	Common Stock	123,990	USD 6.14	USD 761,299	SEC 申报 ↗
2025-06-12	WALT DAVID R	买入 (P)	Common Stock	36,010	USD 6.23	USD 224,342	SEC 申报 ↗
2025-06-09	Toloue Masoud	买入 (P)	Common Stock	45,900	USD 5.42	USD 248,778	SEC 申报 ↗
2025-06-09	WALT DAVID R	买入 (P)	Common Stock	78,131	USD 5.34	USD 417,220	SEC 申报 ↗
2025-06-06	WALT DAVID R	买入 (P)	Common Stock	131,869	USD 5.43	USD 716,049	SEC 申报 ↗
2025-06-06	DONNELLY WILLIAM P	买入 (P)	Common Stock	93,113	USD 5.44	USD 506,535	SEC 申报 ↗
2024-08-20	WALT DAVID R	买入 (P)	Common Stock	47,000	USD 13.29	USD 624,630	SEC 申报 ↗
2024-08-13	Toloue Masoud	买入 (P)	Common Stock	19,000	USD 10.90	USD 207,100	SEC 申报 ↗
2023-09-08	DONNELLY WILLIAM P	买入 (P)	Common Stock	20,200	USD 24.85	USD 501,970	SEC 申报 ↗
2022-08-15	DOYLE MICHAEL A	买入 (P)	Common Stock	15,000	USD 10.16	USD 152,400	SEC 申报 ↗
2022-08-12	Toloue Masoud	买入 (P)	Common Stock	105,000	USD 10.43	USD 1,095,150	SEC 申报 ↗

Form 4 申报证据

148 transaction lines in the latest 365-day window; 996 in local history.

日期	申报人	类型	证券	股数	平均价格	估算金额	来源
2026-10-15	Miller Michael Francis	期权行权／转换 (M)	Common Stock	1,558	USD —	USD —	SEC 申报 ↗
2026-10-15	Miller Michael Francis	代扣税 (F)	Common Stock	426	USD 3.07	USD 1,308	SEC 申报 ↗
2026-10-02	Magovcevic-Liebisch Ivana	期权行权／转换 (M)	Common Stock	4,224	USD —	USD —	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
2026-10-15	Miller Michael Francis	期权行权／转换 (M)	Common Stock	1,558	USD —	USD —	SEC 申报 ↗
2026-10-15	Miller Michael Francis	代扣税 (F)	Common Stock	426	USD 3.07	USD 1,308	SEC 申报 ↗
2026-10-02	Magovcevic-Liebisch Ivana	期权行权／转换 (M)	Common Stock	4,224	USD —	USD —	SEC 申报 ↗
2026-10-01	Mendel Scott	奖励／授予 (A)	Common Stock	4,398	USD 3.41	USD 14,997	SEC 申报 ↗
2026-10-01	DONNELLY WILLIAM P	奖励／授予 (A)	Common Stock	6,964	USD 3.41	USD 23,747	SEC 申报 ↗
2026-09-15	Miller Michael Francis	期权行权／转换 (M)	Common Stock	1,558	USD —	USD —	SEC 申报 ↗
2026-09-15	Miller Michael Francis	代扣税 (F)	Common Stock	426	USD 2.72	USD 1,159	SEC 申报 ↗
2026-08-31	Miller Michael Francis	期权行权／转换 (M)	Common Stock	159	USD —	USD —	SEC 申报 ↗
2026-08-31	Miller Michael Francis	代扣税 (F)	Common Stock	48	USD 2.67	USD 128	SEC 申报 ↗
2026-08-19	Elliott Jeffrey Thomas	期权行权／转换 (M)	Common Stock	3,955	USD —	USD —	SEC 申报 ↗
2026-08-17	DONNELLY WILLIAM P	期权行权／转换 (M)	Common Stock	2,802	USD —	USD —	SEC 申报 ↗
2026-08-15	Miller Michael Francis	期权行权／转换 (M)	Common Stock	1,558	USD —	USD —	SEC 申报 ↗
2026-08-15	Miller Michael Francis	代扣税 (F)	Common Stock	426	USD 2.59	USD 1,103	SEC 申报 ↗
2026-08-13	DONNELLY WILLIAM P	买入 (P)	Common Stock	72,245	USD 2.93	USD 211,678	SEC 申报 ↗
2026-08-12	DONNELLY WILLIAM P	买入 (P)	Common Stock	27,155	USD 2.75	USD 74,676	SEC 申报 ↗
2026-07-31	Miller Michael Francis	期权行权／转换 (M)	Common Stock	130	USD —	USD —	SEC 申报 ↗
2026-07-31	Miller Michael Francis	代扣税 (F)	Common Stock	39	USD 3.48	USD 136	SEC 申报 ↗
2026-07-15	Miller Michael Francis	期权行权／转换 (M)	Common Stock	1,558	USD —	USD —	SEC 申报 ↗
2026-07-15	Miller Michael Francis	代扣税 (F)	Common Stock	426	USD 4.24	USD 1,806	SEC 申报 ↗
2026-07-08	Mendel Scott	期权行权／转换 (M)	Common Stock	8,073	USD —	USD —	SEC 申报 ↗
2026-07-08	LAI GOLDMAN MYLA	期权行权／转换 (M)	Common Stock	8,073	USD —	USD —	SEC 申报 ↗
2026-07-01	Mendel Scott	奖励／授予 (A)	Common Stock	3,456	USD 4.34	USD 14,999	SEC 申报 ↗
2026-07-01	DONNELLY WILLIAM P	奖励／授予 (A)	Common Stock	5,472	USD 4.34	USD 23,748	SEC 申报 ↗
2026-06-30	Miller Michael Francis	期权行权／转换 (M)	Common Stock	130	USD —	USD —	SEC 申报 ↗
2026-06-30	Miller Michael Francis	代扣税 (F)	Common Stock	39	USD 4.32	USD 168	SEC 申报 ↗
2026-06-15	Sriram Vandana	期权行权／转换 (M)	Common Stock	1,833	USD —	USD —	SEC 申报 ↗
2026-06-15	Sriram Vandana	代扣税 (F)	Common Stock	548	USD 3.10	USD 1,699	SEC 申报 ↗
2026-06-15	Miller Michael Francis	期权行权／转换 (M)	Common Stock	1,558	USD —	USD —	SEC 申报 ↗
2026-06-15	Miller Michael Francis	代扣税 (F)	Common Stock	426	USD 3.10	USD 1,321	SEC 申报 ↗
2026-05-31	Miller Michael Francis	期权行权／转换 (M)	Common Stock	130	USD —	USD —	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	2026-10-19
排名版本	US-v1.2
数据质量	PASS ELIGIBLE · —
股票代码	QTRX
CIK	0001503274
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	996 transaction lines from 2020-01-02 to 2026-10-15 23 P purchase lines · 462 S sale lines · 511 other lines
SEC 公司申报	打开 SEC 申报 ↗

Local ledger as of 2026-10-19. Mapping status is an audit field and does not erase SEC filing evidence.