美国 · SEC FORM 4
Great Lakes Dredge & Dock CORP
GLDD · — · CIK 0001372020 · Industrials
内部人信号
0 qualifying P purchase groups
当前 180 天评分窗口
0 同一窗口内观察到的 Form 4 交易行
0 sales · 0 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。
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。
内部人活动时间轴
当前 180 天窗口内没有 Form 4 交易事件。
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: 2025-03-04 · GUNSTEN CHRISTOPHER.
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
FINRA 报告中没有该股票代码的空头余额。
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 |
|---|---|---|---|---|---|---|---|
| 2025-03-04 | GUNSTEN CHRISTOPHER | 买入 (P) | Common Stock | 3,875 | USD 7.75 | USD 30,031 | SEC 申报 ↗ |
| 2023-05-19 | Levenson Ryan | 买入 (P) | Common Stock | 121,721 | USD 6.82 | USD 830,137 | SEC 申报 ↗ |
| 2023-05-18 | Levenson Ryan | 买入 (P) | Common Stock | 6,860 | USD 6.75 | USD 46,305 | SEC 申报 ↗ |
| 2023-05-17 | Levenson Ryan | 买入 (P) | Common Stock | 5,207 | USD 6.64 | USD 34,574 | SEC 申报 ↗ |
| 2023-05-12 | Levenson Ryan | 买入 (P) | Common Stock | 68,000 | USD 6.10 | USD 414,800 | SEC 申报 ↗ |
| 2023-05-11 | Levenson Ryan | 买入 (P) | Common Stock | 66,000 | USD 6.13 | USD 404,580 | SEC 申报 ↗ |
| 2023-05-10 | Levenson Ryan | 买入 (P) | Common Stock | 66,000 | USD 6.05 | USD 399,300 | SEC 申报 ↗ |
| 2023-03-02 | Shipp Earl L | 买入 (P) | Common Stock | 2,000 | USD 5.51 | USD 11,020 | SEC 申报 ↗ |
| 2022-08-05 | Petterson Lasse | 买入 (P) | Common Stock | 10,000 | USD 9.65 | USD 96,500 | SEC 申报 ↗ |
| 2021-08-06 | Shipp Earl L | 买入 (P) | Common Stock | 1,500 | USD 14.58 | USD 21,870 | SEC 申报 ↗ |
Form 4 申报证据
81 transaction lines in the latest 365-day window; 547 in local history.
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-04-01 | Steger Ronald | U (U) | Common Stock | 20,404 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | Shipp Earl L | U (U) | Common Stock | 42,619 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | Shanahan Kathleen M | U (U) | Common Stock | 76,375 | 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 |
|---|---|---|---|---|---|---|---|
| 2026-04-01 | Steger Ronald | U (U) | Common Stock | 20,404 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | Shipp Earl L | U (U) | Common Stock | 42,619 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | Shanahan Kathleen M | U (U) | Common Stock | 76,375 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | Schiffer Vivienne | U (U) | Common Stock | 144,817 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | Schiffer Vivienne | 奖励/授予 (A) | Common Stock | 28,945 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | Petterson Lasse | U (U) | Common Stock | 1,568,290 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | Petterson Lasse | 奖励/授予 (A) | Common Stock | 206,445 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | Kornblau Scott Lee | U (U) | Common Stock | 244,126 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | Kornblau Scott Lee | 奖励/授予 (A) | Common Stock | 90,518 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | JOHANSON DAVID | U (U) | Common Stock | 191,598 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | JOHANSON DAVID | 奖励/授予 (A) | Common Stock | 71,860 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | HANSON WILLIAM H | U (U) | Common Stock | 90,853 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | HANSON WILLIAM H | 奖励/授予 (A) | Common Stock | 13,631 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | GUNSTEN CHRISTOPHER | U (U) | Common Stock | 182,496 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | GUNSTEN CHRISTOPHER | 奖励/授予 (A) | Common Stock | 71,860 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | DICKERSON LAWRENCE R | U (U) | Common Stock | 86,217 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | BEYKO ELENI | U (U) | Common Stock | 151,312 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | BEYKO ELENI | 奖励/授予 (A) | Common Stock | 25,505 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | BAYER RYAN | U (U) | Common Stock | 37,380 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | BAYER RYAN | 奖励/授予 (A) | Common Stock | 5,607 | USD — | USD — | SEC 申报 ↗ |
| 2026-04-01 | Armstrong Dana A | U (U) | Common Stock | 8,436 | USD — | USD — | SEC 申报 ↗ |
| 2026-03-16 | Schiffer Vivienne | 代扣税 (F) | Common Stock | 10,125 | USD 16.93 | USD 171,416 | SEC 申报 ↗ |
| 2026-03-16 | Schiffer Vivienne | 奖励/授予 (A) | Common Stock | 24,667 | USD — | USD — | SEC 申报 ↗ |
| 2026-03-16 | Petterson Lasse | 代扣税 (F) | Common Stock | 103,821 | USD 16.93 | USD 1,757,690 | SEC 申报 ↗ |
| 2026-03-16 | Petterson Lasse | 奖励/授予 (A) | Common Stock | 173,464 | USD — | USD — | SEC 申报 ↗ |
| 2026-03-16 | Kornblau Scott Lee | 代扣税 (F) | Common Stock | 22,258 | USD 16.93 | USD 376,828 | SEC 申报 ↗ |
| 2026-03-16 | Kornblau Scott Lee | 奖励/授予 (A) | Common Stock | 37,133 | USD — | USD — | SEC 申报 ↗ |
| 2026-03-16 | JOHANSON DAVID | 代扣税 (F) | Common Stock | 7,825 | USD 16.93 | USD 132,477 | SEC 申报 ↗ |
| 2026-03-16 | JOHANSON DAVID | 奖励/授予 (A) | Common Stock | 21,090 | USD — | USD — | SEC 申报 ↗ |
| 2026-03-16 | HANSON WILLIAM H | 代扣税 (F) | Common Stock | 4,859 | USD 16.93 | USD 82,263 | 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 | GLDD |
| CIK | 0001372020 |
| 行业 | Industrials |
| 细分行业 | — Yahoo Finance |
| SEC SIC | 1600 Heavy Construction Other Than Bldg Const - Contractors |
| 交易所 | — |
数据覆盖
| 本地 Form 4 历史 | 547 transaction lines from 2020-03-08 to 2026-04-01 10 P purchase lines · 70 S sale lines · 467 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.