美国 · SEC FORM 4
ALLEGRO MICROSYSTEMS, INC.
ALGM · Nasdaq · CIK 0000866291 · Technology · Semiconductors
内部人信号
0 qualifying P purchase groups
当前 180 天评分窗口
35 同一窗口内观察到的 Form 4 交易行
9 sales · 26 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; 10 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: 2024-11-18 · Doogue Michael.
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
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
- +11.3%
- 3M
- -30.2%
- 6M
- +21.1%
- 12M
- —
波动率与流动性
- 波动率
- 67.1%
- Beta
- —
- 平均每日成交额
- —
估值
- 市值
- —
- P/E
- —
基本面
- 利润率
- -1.6%
- ROE
- -1.5%
- 细分行业
- Semiconductors
市场数据
价格数据截至：2026-10-02 · 价格来源：OpenBB/yfinance · 来自 SEC 申报文件：利润率, ROE · 财年截止日：2026-03-27 · 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
- 11,385,558
- 上期报告
- 10,439,912
- 日均成交量
- 2,585,039
- 回补天数
- 4.4
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 |
|---|---|---|---|---|---|---|---|
| 2024-11-18 | Doogue Michael | 买入 (P) | Common Stock | 15,000 | USD 19.00 | USD 285,000 | SEC 申报 ↗ |
| 2024-11-05 | Nargolwala Vineet A | 买入 (P) | Common Stock | 5,000 | USD 19.89 | USD 99,446 | SEC 申报 ↗ |
| 2023-11-17 | Nargolwala Vineet A | 买入 (P) | Common Stock | 1,000 | USD 27.84 | USD 27,840 | SEC 申报 ↗ |
| 2023-11-14 | Lynch Susan D | 买入 (P) | Common Stock | 350 | USD 27.37 | USD 9,580 | SEC 申报 ↗ |
| 2023-09-15 | D'Antilio Derek | 买入 (P) | Common Stock | 1,488 | USD 33.63 | USD 50,041 | SEC 申报 ↗ |
| 2023-08-16 | Nargolwala Vineet A | 买入 (P) | Common Stock | 5,000 | USD 38.67 | USD 193,350 | SEC 申报 ↗ |
| 2023-02-03 | Lynch Susan D | 买入 (P) | Common Stock | 240 | USD 41.53 | USD 9,967 | SEC 申报 ↗ |
Form 4 申报证据
47 transaction lines in the latest 365-day window; 408 in local history.
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-08-17 | Raubacher Jennie | 卖出 (S) | Common Stock | 1,000 | USD 45.32 | USD 45,320 | SEC 申报 ↗ |
| 2026-08-10 | Hagen Erin | 卖出 (S) | Common Stock | 2,285 | USD 44.39 | USD 101,431 | SEC 申报 ↗ |
| 2026-08-05 | Suzuki Yoshihiro | 奖励／授予 (A) | Common Stock | 4,251 | USD 0.00 | USD 0 | 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 |
|---|---|---|---|---|---|---|---|
| 2026-08-17 | Raubacher Jennie | 卖出 (S) | Common Stock | 1,000 | USD 45.32 | USD 45,320 | SEC 申报 ↗ |
| 2026-08-10 | Hagen Erin | 卖出 (S) | Common Stock | 2,285 | USD 44.39 | USD 101,431 | SEC 申报 ↗ |
| 2026-08-05 | Suzuki Yoshihiro | 奖励／授予 (A) | Common Stock | 4,251 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-05 | Palepu Krishna G. | 奖励／授予 (A) | Common Stock | 4,251 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-05 | PUMA MARY G | 奖励／授予 (A) | Common Stock | 4,251 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-05 | MARTIN JOSEPH R | 奖励／授予 (A) | Common Stock | 4,251 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-06-17 | WHITE BRIAN C | 奖励／授予 (A) | Common Stock | 594 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-06-03 | Madormo Richard | 卖出 (S) | Common Stock | 5,000 | USD 52.72 | USD 263,600 | SEC 申报 ↗ |
| 2026-05-22 | Coleman Troy | 卖出 (S) | Common Stock | 4,500 | USD 45.72 | USD 205,740 | SEC 申报 ↗ |
| 2026-05-21 | Webster Roald Graham | 卖出 (S) | Common Stock | 5,217 | USD 44.89 | USD 234,191 | SEC 申报 ↗ |
| 2026-05-18 | Kent Ian | 卖出 (S) | Common Stock | 2,642 | USD 41.56 | USD 109,802 | SEC 申报 ↗ |
| 2026-05-16 | Webster Roald Graham | 代扣税 (F) | Common Stock | 4,277 | USD 43.10 | USD 184,339 | SEC 申报 ↗ |
| 2026-05-16 | Madormo Richard | 代扣税 (F) | Common Stock | 5,439 | USD 43.10 | USD 234,421 | SEC 申报 ↗ |
| 2026-05-16 | Kent Ian | 代扣税 (F) | Common Stock | 2,345 | USD 43.10 | USD 101,070 | SEC 申报 ↗ |
| 2026-05-16 | Hagen Erin | 代扣税 (F) | Common Stock | 5,815 | USD 43.10 | USD 250,626 | SEC 申报 ↗ |
| 2026-05-16 | Doogue Michael | 代扣税 (F) | Common Stock | 60,508 | USD 43.10 | USD 2,607,895 | SEC 申报 ↗ |
| 2026-05-16 | D'Antilio Derek | 代扣税 (F) | Common Stock | 37,840 | USD 43.10 | USD 1,630,904 | SEC 申报 ↗ |
| 2026-05-16 | Coleman Troy | 代扣税 (F) | Common Stock | 9,670 | USD 43.10 | USD 416,777 | SEC 申报 ↗ |
| 2026-05-16 | Briansky Sharon | 代扣税 (F) | Common Stock | 13,942 | USD 43.10 | USD 600,900 | SEC 申报 ↗ |
| 2026-05-14 | Lynch Susan D | 卖出 (S) | Common Stock | 16,711 | USD 45.46 | USD 759,682 | SEC 申报 ↗ |
| 2026-05-13 | Willett Robert | 奖励／授予 (A) | Common Stock | 1,094 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-13 | Webster Roald Graham | 奖励／授予 (A) | Common Stock | 5,300 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-13 | Madormo Richard | 奖励／授予 (A) | Common Stock | 19,815 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-13 | Kent Ian | 奖励／授予 (A) | Common Stock | 8,492 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-13 | Hagen Erin | 奖励／授予 (A) | Common Stock | 9,058 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-13 | Doogue Michael | 奖励／授予 (A) | Common Stock | 160,835 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-13 | D'Antilio Derek | 奖励／授予 (A) | Common Stock | 59,877 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-13 | Coleman Troy | 奖励／授予 (A) | Common Stock | 18,116 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-13 | Briansky Sharon | 奖励／授予 (A) | Common Stock | 18,463 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-11 | Doogue Michael | 卖出 (S) | Common Stock | 30,089 | USD 47.23 | USD 1,421,103 | 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 | ALGM |
| CIK | 0000866291 |
| 行业 | Technology |
| 细分行业 | Semiconductors Yahoo Finance |
| SEC SIC | 3674 Semiconductors & Related Devices |
| 交易所 | Nasdaq |
数据覆盖
| 本地 Form 4 历史 | 408 transaction lines from 2020-10-28 to 2026-08-17 8 P purchase lines · 160 S sale lines · 240 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.