美国 · SEC FORM 4
RadNet, Inc.
RDNT · Nasdaq · CIK 0000790526 · Healthcare · Diagnostics & Research
内部人信号
0 qualifying P purchase groups
当前 180 天评分窗口
10 同一窗口内观察到的 Form 4 交易行
4 sales · 6 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; 1 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: 2021-08-11 · SWARTZ DAVID L.
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
- 9,361,935
- 上期报告
- 9,671,100
- 日均成交量
- 729,300
- 回补天数
- 12.8
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 |
|---|---|---|---|---|---|---|---|
| 2021-08-11 | SWARTZ DAVID L | 买入 (P) | Common Stock | 4,519 | USD 33.47 | USD 151,251 | SEC 申报 ↗ |
| 2021-05-14 | Levitt Lawrence L | 买入 (P) | Common Stock | 5,500 | USD 23.15 | USD 127,325 | SEC 申报 ↗ |
| 2021-05-13 | Levitt Lawrence L | 买入 (P) | Common Stock | 7,000 | USD 23.00 | USD 161,000 | SEC 申报 ↗ |
| 2020-03-18 | Karen B. Kaplan Survivor's Trust | 买入 (P) | Common Stock | 10,000 | USD 5.99 | USD 59,900 | SEC 申报 ↗ |
Form 4 申报证据
49 transaction lines in the latest 365-day window; 296 in local history.
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-06-18 | SWARTZ DAVID L | 卖出 (S) | Common Stock | 2,699 | USD 53.89 | USD 145,449 | SEC 申报 ↗ |
| 2026-06-16 | Wesdorp Cornelis | 卖出 (S) | Common Stock | 4,750 | USD 58.11 | USD 276,022 | SEC 申报 ↗ |
| 2026-06-16 | Berger Howard G | 赠与 (G) | Common Stock | 90 | 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 |
|---|---|---|---|---|---|---|---|
| 2026-06-18 | SWARTZ DAVID L | 卖出 (S) | Common Stock | 2,699 | USD 53.89 | USD 145,449 | SEC 申报 ↗ |
| 2026-06-16 | Wesdorp Cornelis | 卖出 (S) | Common Stock | 4,750 | USD 58.11 | USD 276,022 | SEC 申报 ↗ |
| 2026-06-16 | Berger Howard G | 赠与 (G) | Common Stock | 90 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-06-15 | Forthuber Stephen M | 卖出 (S) | Common Stock | 44,067 | USD 58.16 | USD 2,562,911 | SEC 申报 ↗ |
| 2026-06-02 | SWARTZ DAVID L | 奖励／授予 (A) | Common Stock | 2,946 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-06-02 | SPURLOCK GREGORY E. | 奖励／授予 (A) | Common Stock | 2,946 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-06-02 | Levitt Lawrence L | 奖励／授予 (A) | Common Stock | 2,946 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-06-02 | Jacobs Laura Pastre | 奖励／授予 (A) | Common Stock | 2,946 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-05-05 | Berger Howard G | 期权行权／转换 (M) | Common Stock | 25,992 | USD 18.64 | USD 484,491 | SEC 申报 ↗ |
| 2026-03-19 | Sorensen Alma Gregory | 卖出 (S) | Common Stock | 15,000 | USD 62.20 | USD 933,014 | SEC 申报 ↗ |
| 2026-03-19 | Sorensen Alma Gregory | 赠与 (G) | Common Stock | 7,000 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-18 | Sorensen Alma Gregory | 卖出 (S) | Common Stock | 15,000 | USD 62.15 | USD 932,280 | SEC 申报 ↗ |
| 2026-03-16 | Sorensen Alma Gregory | 代扣税 (F) | Common Stock | 5,919 | USD 61.72 | USD 365,321 | SEC 申报 ↗ |
| 2026-03-10 | Sorensen Alma Gregory | 期权行权／转换 (M) | Common Stock | 62,964 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-03 | Wesdorp Cornelis | 奖励／授予 (A) | Common Stock | 20,330 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-03 | Sorensen Alma Gregory | 奖励／授予 (A) | Common Stock | 16,533 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-03 | STOLPER MARK | 奖励／授予 (A) | Common Stock | 18,228 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-03 | Patel Mital | 奖励／授予 (A) | Common Stock | 20,667 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-03 | Murdock Michael N | 奖励／授予 (A) | Common Stock | 6,613 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-03 | Katz David Jeffrey | 奖励／授予 (A) | Common Stock | 19,289 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-03 | HAMES NORMAN R | 奖励／授予 (A) | Common Stock | 25,145 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-03 | Forthuber Stephen M | 奖励／授予 (A) | Common Stock | 22,045 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-03 | Berger Howard G | 奖励／授予 (A) | Common Stock | 124,001 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2025-12-10 | STOLPER MARK | 期权行权／转换 (M) | Common Stock | 35,703 | USD 6.07 | USD 216,717 | SEC 申报 ↗ |
| 2025-12-10 | Katz David Jeffrey | 期权行权／转换 (M) | Common Stock | 3,396 | USD 29.44 | USD 99,978 | SEC 申报 ↗ |
| 2025-12-05 | Forthuber Stephen M | 卖出 (S) | Common Stock | 45,088 | USD 78.33 | USD 3,531,849 | SEC 申报 ↗ |
| 2025-12-03 | Patel Mital | 赠与 (G) | Common Stock | 630 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2025-12-03 | Forthuber Stephen M | 期权行权／转换 (M) | Common Stock | 39,127 | USD 6.07 | USD 237,501 | SEC 申报 ↗ |
| 2025-11-25 | Levitt Lawrence L | 赠与 (G) | Common Stock | 2,700 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2025-11-19 | Berger Howard G | 期权行权／转换 (M) | Common Stock | 129,961 | USD 18.64 | USD 2,422,473 | 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 | RDNT |
| CIK | 0000790526 |
| 行业 | Healthcare |
| 细分行业 | Diagnostics & Research Yahoo Finance |
| SEC SIC | 8071 Services-Medical Laboratories |
| 交易所 | Nasdaq |
数据覆盖
| 本地 Form 4 历史 | 296 transaction lines from 2020-01-06 to 2026-06-18 4 P purchase lines · 127 S sale lines · 165 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.