美国 · SEC FORM 4
RAMBUS INC
RMBS · Nasdaq · CIK 0000917273 · Technology · Semiconductors
内部人信号
0 qualifying P purchase groups
当前 180 天评分窗口
16 同一窗口内观察到的 Form 4 交易行
14 sales · 2 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; 3 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.—
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
- 4,784,389
- 上期报告
- 6,222,309
- 日均成交量
- 3,297,398
- 回补天数
- 1.4
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
本地 Form 4 历史中没有合资格的代码 P 股票买入。
Form 4 申报证据
62 transaction lines in the latest 365-day window; 369 in local history.
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-10-02 | KISSNER CHARLES | 卖出 (S) | Common Stock | 5,000 | USD 111.00 | USD 555,000 | SEC 申报 ↗ |
| 2026-09-22 | KISSNER CHARLES | 卖出 (S) | Common Stock | 5,000 | USD 105.00 | USD 525,000 | SEC 申报 ↗ |
| 2026-08-07 | KISSNER CHARLES | 卖出 (S) | Common Stock | 5,000 | USD 100.92 | USD 504,600 | 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 |
|---|---|---|---|---|---|---|---|
| 2026-10-02 | KISSNER CHARLES | 卖出 (S) | Common Stock | 5,000 | USD 111.00 | USD 555,000 | SEC 申报 ↗ |
| 2026-09-22 | KISSNER CHARLES | 卖出 (S) | Common Stock | 5,000 | USD 105.00 | USD 525,000 | SEC 申报 ↗ |
| 2026-08-07 | KISSNER CHARLES | 卖出 (S) | Common Stock | 5,000 | USD 100.92 | USD 504,600 | SEC 申报 ↗ |
| 2026-06-03 | Sayiner Necip | 卖出 (S) | Common Stock | 5,000 | USD 170.15 | USD 850,750 | SEC 申报 ↗ |
| 2026-06-02 | Higashi Emiko | 卖出 (S) | Common Stock | 10,000 | USD 160.50 | USD 1,605,000 | SEC 申报 ↗ |
| 2026-06-01 | STANG ERIC B | 卖出 (S) | Common Stock | 5,000 | USD 146.00 | USD 730,000 | SEC 申报 ↗ |
| 2026-05-26 | Higashi Emiko | 卖出 (S) | Common Stock | 5,000 | USD 157.57 | USD 787,850 | SEC 申报 ↗ |
| 2026-05-26 | FAN XIANZHI SEAN | 卖出 (S) | Common Stock | 37,914 | USD 151.69 | USD 5,751,241 | SEC 申报 ↗ |
| 2026-05-22 | Shinn John | 卖出 (S) | Common Stock | 1,000 | USD 143.63 | USD 143,630 | SEC 申报 ↗ |
| 2026-05-08 | Sayiner Necip | 卖出 (S) | Common Stock | 9,824 | USD 130.18 | USD 1,278,888 | SEC 申报 ↗ |
| 2026-05-07 | LAUB STEVEN | 卖出 (S) | Common Stock | 1,500 | USD 125.52 | USD 188,280 | SEC 申报 ↗ |
| 2026-05-01 | Gagneja Sumeet | 奖励／授予 (A) | Common Stock | 41,320 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-04-24 | Rao Meera | 卖出 (S) | Common Stock | 2,972 | USD 150.30 | USD 446,692 | SEC 申报 ↗ |
| 2026-04-14 | Rao Meera | 卖出 (S) | Common Stock | 8,538 | USD 118.08 | USD 1,008,167 | SEC 申报 ↗ |
| 2026-04-03 | Allen John K | 代扣税 (F) | Common Stock | 1,131 | USD 92.22 | USD 104,301 | SEC 申报 ↗ |
| 2026-04-02 | Seraphin Luc | 卖出 (S) | Common Stock | 5,426 | USD 86.65 | USD 470,177 | SEC 申报 ↗ |
| 2026-04-01 | Shinn John | 代扣税 (F) | Common Stock | 1,913 | USD 89.95 | USD 172,074 | SEC 申报 ↗ |
| 2026-04-01 | Shinn John | 奖励／授予 (A) | Common Stock | 5,558 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-04-01 | Seraphin Luc | 代扣税 (F) | Common Stock | 12,561 | USD 89.95 | USD 1,129,862 | SEC 申报 ↗ |
| 2026-04-01 | Seraphin Luc | 奖励／授予 (A) | Common Stock | 32,684 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-04-01 | Sayiner Necip | 奖励／授予 (A) | Common Stock | 2,223 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-04-01 | STANG ERIC B | 奖励／授予 (A) | Common Stock | 2,223 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-04-01 | Rao Meera | 奖励／授予 (A) | Common Stock | 2,223 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-04-01 | PENG VICTOR | 奖励／授予 (A) | Common Stock | 2,223 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-04-01 | LAUB STEVEN | 奖励／授予 (A) | Common Stock | 2,223 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-04-01 | KISSNER CHARLES | 奖励／授予 (A) | Common Stock | 2,223 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-04-01 | Higashi Emiko | 奖励／授予 (A) | Common Stock | 2,223 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-04-01 | FAN XIANZHI SEAN | 代扣税 (F) | Common Stock | 9,916 | USD 89.95 | USD 891,944 | SEC 申报 ↗ |
| 2026-04-01 | FAN XIANZHI SEAN | 奖励／授予 (A) | Common Stock | 22,234 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-04-01 | Allen John K | 代扣税 (F) | Common Stock | 1,153 | USD 89.95 | USD 103,712 | 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 | RMBS |
| CIK | 0000917273 |
| 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 | 369 transaction lines from 2020-01-29 to 2026-10-02 0 P purchase lines · 163 S sale lines · 206 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.