美国 · SEC FORM 4
SERA PROGNOSTICS, INC.
SERA · Nasdaq · CIK 0001534969 · Healthcare · Medical Devices
内部人信号
0 qualifying P purchase groups
当前 180 天评分窗口
31 同一窗口内观察到的 Form 4 交易行
14 sales · 17 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; 7 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: 2022-06-14 · Jackson Benjamin.
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
- 229,723
- 上期报告
- 213,893
- 日均成交量
- 17,119
- 回补天数
- 13.4
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.
| Transaction date | Reporting owner | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2022-06-14 | Jackson Benjamin | 买入 (P) | Class A Common Stock | 8,000 | USD 1.20 | USD 9,600 | SEC 申报 ↗ |
Form 4 申报证据
78 transaction lines in the latest 365-day window; 337 in local history.
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-10-12 | Inglis Tiffany Eul Davis | 卖出 (S) | Class A Common Stock | 8,024 | USD 2.03 | USD 16,289 | SEC 申报 ↗ |
| 2026-09-10 | Lindgardt Zhenya | 卖出 (S) | Class A Common Stock | 7,022 | USD 2.00 | USD 14,044 | SEC 申报 ↗ |
| 2026-09-10 | Jackson Benjamin | 卖出 (S) | Class A Common Stock | 2,190 | USD 2.00 | USD 4,380 | 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 |
|---|---|---|---|---|---|---|---|
| 2026-10-12 | Inglis Tiffany Eul Davis | 卖出 (S) | Class A Common Stock | 8,024 | USD 2.03 | USD 16,289 | SEC 申报 ↗ |
| 2026-09-10 | Lindgardt Zhenya | 卖出 (S) | Class A Common Stock | 7,022 | USD 2.00 | USD 14,044 | SEC 申报 ↗ |
| 2026-09-10 | Jackson Benjamin | 卖出 (S) | Class A Common Stock | 2,190 | USD 2.00 | USD 4,380 | SEC 申报 ↗ |
| 2026-09-10 | Inglis Tiffany Eul Davis | 卖出 (S) | Class A Common Stock | 486 | USD 2.00 | USD 972 | SEC 申报 ↗ |
| 2026-09-10 | Anderson Dyaarl Lee Jr. | 卖出 (S) | Class A Common Stock | 1,800 | USD 2.00 | USD 3,600 | SEC 申报 ↗ |
| 2026-09-08 | Lindgardt Zhenya | 卖出 (S) | Class A Common Stock | 20,139 | USD 2.00 | USD 40,278 | SEC 申报 ↗ |
| 2026-08-31 | Gleason Scott | 奖励／授予 (A) | Class A Common Stock | 117,924 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-07-10 | Phillips Joshua | 奖励／授予 (A) | Class A Common Stock | 24,686 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-07-10 | Mirza Mansoor Raza | 奖励／授予 (A) | Class A Common Stock | 24,197 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-07-10 | Lawrence Sandra AJ | 奖励／授予 (A) | Class A Common Stock | 24,702 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-07-10 | Kamdar Kim P. | 奖励／授予 (A) | Class A Common Stock | 25,847 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-07-10 | Capone Mark Christopher | 奖励／授予 (A) | Class A Common Stock | 44,379 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-07-10 | CRITCHFIELD GREGORY C | 奖励／授予 (A) | Class A Common Stock | 24,020 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-07-10 | Barlow Jane F | 奖励／授予 (A) | Class A Common Stock | 24,375 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-06-11 | Lindgardt Zhenya | 卖出 (S) | Class A Common Stock | 6,990 | USD 2.01 | USD 14,050 | SEC 申报 ↗ |
| 2026-06-11 | Jackson Benjamin | 卖出 (S) | Class A Common Stock | 2,179 | USD 2.01 | USD 4,380 | SEC 申报 ↗ |
| 2026-06-11 | Inglis Tiffany Eul Davis | 卖出 (S) | Class A Common Stock | 362 | USD 2.01 | USD 728 | SEC 申报 ↗ |
| 2026-06-11 | Anderson Dyaarl Lee Jr. | 卖出 (S) | Class A Common Stock | 4,739 | USD 2.01 | USD 9,525 | SEC 申报 ↗ |
| 2026-06-11 | Aerts Austin | 卖出 (S) | Class A Common Stock | 2,037 | USD 2.01 | USD 4,094 | SEC 申报 ↗ |
| 2026-06-09 | Lindgardt Zhenya | 卖出 (S) | Class A Common Stock | 20,755 | USD 2.08 | USD 43,170 | SEC 申报 ↗ |
| 2026-06-09 | Aerts Austin | 卖出 (S) | Class A Common Stock | 5,440 | USD 2.08 | USD 11,315 | SEC 申报 ↗ |
| 2026-06-08 | Lawrence Sandra AJ | 卖出 (S) | Class A Common Stock | 1,560 | USD 2.15 | USD 3,354 | SEC 申报 ↗ |
| 2026-05-29 | Jackson Benjamin | 奖励／授予 (A) | Class A Common Stock | 5,000 | USD 1.84 | USD 9,200 | SEC 申报 ↗ |
| 2026-05-29 | Anderson Dyaarl Lee Jr. | 奖励／授予 (A) | Class A Common Stock | 3,168 | USD 1.84 | USD 5,829 | SEC 申报 ↗ |
| 2026-03-12 | Lindgardt Zhenya | 奖励／授予 (A) | Class A Common Stock | 154,440 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-12 | Jackson Benjamin | 奖励／授予 (A) | Class A Common Stock | 44,215 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-12 | Inglis Tiffany Eul Davis | 奖励／授予 (A) | Class A Common Stock | 17,437 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-12 | Anderson Dyaarl Lee Jr. | 奖励／授予 (A) | Class A Common Stock | 12,455 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-12 | Aerts Austin | 奖励／授予 (A) | Class A Common Stock | 44,215 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-11 | Lindgardt Zhenya | 卖出 (S) | Class A Common Stock | 2,973 | USD 2.04 | USD 6,065 | 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 | SERA |
| CIK | 0001534969 |
| 行业 | Healthcare |
| 细分行业 | Medical Devices Yahoo Finance |
| SEC SIC | 8071 Services-Medical Laboratories |
| 交易所 | Nasdaq |
数据覆盖
| 本地 Form 4 历史 | 337 transaction lines from 2021-07-19 to 2026-10-12 1 P purchase lines · 215 S sale lines · 121 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.