美国 · SEC FORM 4
WHITE MOUNTAINS INSURANCE GROUP LTD
WTM · NYSE · CIK 0000776867 · Financial Services · Insurance—Property & Casualty
内部人信号
0 qualifying P purchase groups
当前 180 天评分窗口
11 同一窗口内观察到的 Form 4 交易行
0 sales · 11 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; 4 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: 2023-11-17 · Hicks Weston M.
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
- 139,645
- 上期报告
- 135,407
- 日均成交量
- 18,801
- 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.
Form 4 申报证据
29 transaction lines in the latest 365-day window; 159 in local history.
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-08-31 | Tanner David Allen | 赠与 (G) | Common Shares | 2 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-26 | Klar Stephen | 奖励／授予 (A) | Common Shares | 113 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-21 | Tanner David Allen | 奖励／授予 (A) | Common Shares | 135 | USD 0.00 | USD 0 | SEC 申报 ↗ |
展开近期 Form 4 证据 (29 grouped rows)
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-08-31 | Tanner David Allen | 赠与 (G) | Common Shares | 2 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-26 | Klar Stephen | 奖励／授予 (A) | Common Shares | 113 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-21 | Tanner David Allen | 奖励／授予 (A) | Common Shares | 135 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-21 | SHANK SUZANNE F. | 奖励／授予 (A) | Common Shares | 135 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-21 | Hicks Weston M | 奖励／授予 (A) | Common Shares | 190 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-21 | Gelston Philip A | 奖励／授予 (A) | Common Shares | 135 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-21 | Dillon Margaret | 奖励／授予 (A) | Common Shares | 135 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-21 | Chu John | 奖励／授予 (A) | Common Shares | 135 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-21 | Carlson Peter M | 奖励／授予 (A) | Common Shares | 135 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-21 | CHOKSI MARY C | 奖励／授予 (A) | Common Shares | 135 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-21 | CAMPBELL REID TARLTON | 奖励／授予 (A) | Common Shares | 135 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-19 | SEELIG ROBERT LAWRENCE | 赠与 (G) | Common Shares | 50 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-04 | Tanner David Allen | 赠与 (G) | Common Shares | 225 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-02-25 | SEELIG ROBERT LAWRENCE | 奖励／授予 (A) | Common Shares (restricted) | 775 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-02-25 | Papamichael Michael A | 奖励／授予 (A) | Common Shares (Restricted) | 500 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-02-25 | Hildreth Michaela | 奖励／授予 (A) | Common Shares (Restricted) | 600 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-02-25 | Harrison Giles E | 奖励／授予 (A) | Common Shares (restricted) | 775 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-02-25 | Caffrey Liam P | 奖励／授予 (A) | Common Shares (Restricted) | 1,500 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-01-01 | Hildreth Michaela | 代扣税 (F) | Common Shares | 274 | USD 2,078.03 | USD 569,380 | SEC 申报 ↗ |
| 2026-01-01 | SEELIG ROBERT LAWRENCE | 代扣税 (F) | Common Shares | 398 | USD 2,078.03 | USD 827,056 | SEC 申报 ↗ |
| 2026-01-01 | Papamichael Michael A | 代扣税 (F) | Common Shares | 131 | USD 2,078.03 | USD 272,222 | SEC 申报 ↗ |
| 2026-01-01 | Caffrey Liam P | 代扣税 (F) | Common Shares | 425 | USD 2,078.03 | USD 883,163 | SEC 申报 ↗ |
| 2025-12-23 | Hildreth Michaela | 赠与 (G) | Common Shares | 60 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2025-12-19 | Rountree George Manning | 卖出 (S) | Common Shares | 5,000 | USD 2,050.00 | USD 10,250,000 | SEC 申报 ↗ |
| 2025-12-19 | CAMPBELL REID TARLTON | 卖出 (S) | Common Shares | 5,000 | USD 2,050.00 | USD 10,250,000 | SEC 申报 ↗ |
| 2025-12-19 | CAMPBELL REID TARLTON | 卖出 (S) | Common Shares | 5,000 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2025-12-16 | Gelston Philip A | 卖出 (S) | Common Shares | 165 | USD 2,048.51 | USD 338,004 | SEC 申报 ↗ |
| 2025-11-25 | CAMPBELL REID TARLTON | 赠与 (G) | Common Shares | 50 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2025-11-10 | Tanner David Allen | 赠与 (G) | Common Shares | 4 | USD 0.00 | USD 0 | 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 | WTM |
| CIK | 0000776867 |
| 行业 | Financial Services |
| 细分行业 | Insurance—Property & Casualty Yahoo Finance |
| SEC SIC | 6331 Fire, Marine & Casualty Insurance |
| 交易所 | NYSE |
数据覆盖
| 本地 Form 4 历史 | 159 transaction lines from 2020-01-01 to 2026-08-31 13 P purchase lines · 10 S sale lines · 136 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.