美国 · SEC FORM 4
PROTHENA CORP PUBLIC LTD CO
PRTA · Nasdaq · CIK 0001559053 · Healthcare · Biotechnology
内部人信号
63.2 / 100
1 位买方 · 17 条买入交易行 · $10.9M 买入总额
为什么有这个信号？
买方广度较低
买入规模较强
角色中等
近期性较强
确信度较强
评分构成
每条进度条表示其对当前分数的贡献；权重和公式保持不变。
Cluster+7.0 / 35
买入规模+23.0 / 25
角色+14.0 / 20
近期性+9.4 / 10
确信度+9.9 / 10
哪些因素限制了当前分数？
- ⚠ Cluster breadth is moderate · 1 insider(s), not 4+
- ⚠ 角色得分低 · 买入者中职位最高的是：TenPercentOwner（CEO、董事长和持股 10% 以上的股东得分最低）
- ✓ Recent activity · latest purchase 2026-10-14
Purchase-size comments are relative to the model scale. Average daily volume is a separate market-context diagnostic.
US-v1.2 按当前 180 天规则给合资格的股票买入打分。分数只表示研究的先后，不是收益预测或概率。回测没有显示美国分数越高、之后的表现越好。
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。
AprMayJunJulAugSepOct
SCULLY WILLIAM PTenPercentOwner
●●●●○●●○○○●●●●●●●●●●
Swanson Chad J.Chief Development Officer
○○○
Kingston Anne EvansChief Strategy Officer
○▼
Isaacs Michael JohnGeneral Counsel & Company Sec.
○▼
Zago Wagner M.Chief Scientific Officer
○○
Walker Karin LChief Accounting Officer
○○
● 买入▼ 卖出○ 其他
Showing the six most active owners; 3 additional owner(s) remain in Form 4 申报证据.
买方广度与集中度
合资格买方1
买入集中度100%最大买方： SCULLY WILLIAM P · $10.9M
聚集买入 · 15天1 insider峰值活动： 2026-05-22–2026-06-04
Roles in the peak window: TenPercentOwner. Concentration uses priced qualifying P lines only and does not change the saved score.
信号历史
63.2 / 100
最新留档分数
↓ -0.4 pts相对上一个留档快照
- 62.9
- 62.8
- 62.6
- 63.6
- 63.2
Only scores saved when a full US scoring run completed are shown; gaps are not reconstructed.
近期 Form 4 活动
17买入
2卖出
19其他 Form 4 交易行
25SEC 申报 · 365天
买入17 qualifying P line(s) · 180 days
卖出2 sale line(s) · 仅供背景
其他19 exercise / withholding / award / gift / other lines
10b5-1／计划交易Not detected in parsed evidence
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
- -1.3%
- 3M
- -3.7%
- 6M
- -23.4%
- 12M
- -21.7%
波动率与流动性
- 波动率
- 64.3%
- Beta
- —
- 平均每日成交额
- USD 4.1M
估值
- 市值
- —
- P/E
- —
基本面
- 利润率
- —
- ROE
- -87.0%
- 细分行业
- Biotechnology
市场数据
价格数据截至：2026-10-18 · 价格来源：OpenBB/yfinance; 成交量来自 本机价格缓存 (yfinance) · 来自 SEC 申报文件：ROE · 财年截止日：2025-12-31 · 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
- 8,010,864
- 上期报告
- 8,544,664
- 日均成交量
- 580,885
- 回补天数
- 13.8
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 |
|---|---|---|---|---|---|---|---|
| 2026-10-14 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 10,000 | USD 8.46 | USD 84,569 | SEC 申报 ↗ |
| 2026-10-13 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 100,000 | USD 8.35 | USD 835,480 | SEC 申报 ↗ |
| 2026-10-08 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 90,000 | USD 8.57 | USD 770,904 | SEC 申报 ↗ |
| 2026-10-07 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 125,000 | USD 8.40 | USD 1,050,150 | SEC 申报 ↗ |
| 2026-10-02 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 100,000 | USD 8.57 | USD 857,240 | SEC 申报 ↗ |
| 2026-09-29 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 162,000 | USD 8.68 | USD 1,406,160 | SEC 申报 ↗ |
| 2026-09-28 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 103,500 | USD 8.60 | USD 890,100 | SEC 申报 ↗ |
| 2026-09-18 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 100,000 | USD 8.43 | USD 843,000 | SEC 申报 ↗ |
| 2026-09-02 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 27,000 | USD 9.47 | USD 255,690 | SEC 申报 ↗ |
| 2026-08-20 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 50,000 | USD 8.79 | USD 439,500 | SEC 申报 ↗ |
| 2026-08-07 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 37,500 | USD 8.62 | USD 323,250 | SEC 申报 ↗ |
| 2026-06-16 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 20,000 | USD 7.90 | USD 158,000 | SEC 申报 ↗ |
| 2026-06-11 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 125,000 | USD 8.17 | USD 1,021,250 | SEC 申报 ↗ |
| 2026-06-04 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 50,000 | USD 9.31 | USD 465,500 | SEC 申报 ↗ |
| 2026-06-02 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 50,000 | USD 9.43 | USD 471,500 | SEC 申报 ↗ |
Form 4 申报证据
38 transaction lines in the latest 365-day window; 472 in local history.
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-10-14 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 10,000 | USD 8.46 | USD 84,569 | SEC 申报 ↗ |
| 2026-10-13 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 100,000 | USD 8.35 | USD 835,480 | SEC 申报 ↗ |
| 2026-10-08 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 90,000 | USD 8.57 | USD 770,904 | 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 |
|---|---|---|---|---|---|---|---|
| 2026-10-14 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 10,000 | USD 8.46 | USD 84,569 | SEC 申报 ↗ |
| 2026-10-13 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 100,000 | USD 8.35 | USD 835,480 | SEC 申报 ↗ |
| 2026-10-08 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 90,000 | USD 8.57 | USD 770,904 | SEC 申报 ↗ |
| 2026-10-07 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 125,000 | USD 8.40 | USD 1,050,150 | SEC 申报 ↗ |
| 2026-10-02 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 100,000 | USD 8.57 | USD 857,240 | SEC 申报 ↗ |
| 2026-09-29 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 162,000 | USD 8.68 | USD 1,406,160 | SEC 申报 ↗ |
| 2026-09-28 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 103,500 | USD 8.60 | USD 890,100 | SEC 申报 ↗ |
| 2026-09-18 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 100,000 | USD 8.43 | USD 843,000 | SEC 申报 ↗ |
| 2026-09-02 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 27,000 | USD 9.47 | USD 255,690 | SEC 申报 ↗ |
| 2026-08-20 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 50,000 | USD 8.79 | USD 439,500 | SEC 申报 ↗ |
| 2026-08-18 | SCULLY WILLIAM P | 赠与 (G) | Ordinary Shares, par value $0.01 per share | 627,553 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-17 | SCULLY WILLIAM P | 赠与 (G) | Ordinary Shares, par value $0.01 per share | 336,000 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-10 | SCULLY WILLIAM P | 赠与 (G) | Ordinary Shares, par value $0.01 per share | 251,553 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-07 | SCULLY WILLIAM P | 买入 (P) | Ordinary Shares, par value $0.01 per share | 37,500 | USD 8.62 | USD 323,250 | SEC 申报 ↗ |
| 2026-07-29 | Kingston Anne Evans | 卖出 (S) | Ordinary Shares, par value $0.01 per share | 7,662 | USD 8.47 | USD 64,897 | SEC 申报 ↗ |
| 2026-07-29 | Isaacs Michael John | 卖出 (S) | Ordinary Shares, par value $0.01 per share | 8,386 | USD 8.47 | USD 71,029 | SEC 申报 ↗ |
| 2026-07-28 | Zago Wagner M. | 期权行权／转换 (M) | Ordinary Shares, par value $0.01 per share | 51,000 | USD — | USD — | SEC 申报 ↗ |
| 2026-07-28 | Zago Wagner M. | D (D) | Ordinary Shares, par value $0.01 per share | 51,000 | USD 8.56 | USD 436,560 | SEC 申报 ↗ |
| 2026-07-28 | Walker Karin L | 期权行权／转换 (M) | Ordinary Shares, par value $0.01 per share | 15,000 | USD — | USD — | SEC 申报 ↗ |
| 2026-07-28 | Walker Karin L | D (D) | Ordinary Shares, par value $0.01 per share | 15,000 | USD 8.56 | USD 128,400 | SEC 申报 ↗ |
| 2026-07-28 | Swanson Chad J. | 期权行权／转换 (M) | Ordinary Shares, par value $0.01 per share | 51,000 | USD — | USD — | SEC 申报 ↗ |
| 2026-07-28 | Swanson Chad J. | 代扣税 (F) | Ordinary Shares, par value $0.01 per share | 3,467 | USD 8.56 | USD 29,678 | SEC 申报 ↗ |
| 2026-07-28 | Swanson Chad J. | D (D) | Ordinary Shares, par value $0.01 per share | 40,800 | USD 8.56 | USD 349,248 | SEC 申报 ↗ |
| 2026-07-28 | Smith Brandon S. | 期权行权／转换 (M) | Ordinary Shares, par value $0.01 per share | 78,000 | USD — | USD — | SEC 申报 ↗ |
| 2026-07-28 | Smith Brandon S. | D (D) | Ordinary Shares, par value $0.01 per share | 78,000 | USD 8.56 | USD 667,680 | SEC 申报 ↗ |
| 2026-07-28 | Nguyen Tran | 期权行权／转换 (M) | Ordinary Shares, par value $0.01 per share | 57,000 | USD — | USD — | SEC 申报 ↗ |
| 2026-07-28 | Nguyen Tran | D (D) | Ordinary Shares, par value $0.01 per share | 57,000 | USD 8.56 | USD 487,920 | SEC 申报 ↗ |
| 2026-07-28 | Kinney Gene G. | 期权行权／转换 (M) | Ordinary Shares, par value $0.01 per share | 84,000 | USD — | USD — | SEC 申报 ↗ |
| 2026-07-28 | Kinney Gene G. | D (D) | Ordinary Shares, par value $0.01 per share | 84,000 | USD 8.56 | USD 719,040 | SEC 申报 ↗ |
| 2026-07-28 | Kingston Anne Evans | 代扣税 (F) | Ordinary Shares, par value $0.01 per share | 3,498 | USD 8.56 | USD 29,943 | 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 | PRTA |
| CIK | 0001559053 |
| 行业 | Healthcare |
| 细分行业 | Biotechnology Yahoo Finance |
| SEC SIC | 2834 Pharmaceutical Preparations |
| 交易所 | Nasdaq |
数据覆盖
| 本地 Form 4 历史 | 472 transaction lines from 2020-04-08 to 2026-10-14 34 P purchase lines · 282 S sale lines · 156 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.