---
title: "Profusa tumbles 13% in after-hours trading after 1-for-4 reverse stock split takes effect"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/296273558.md"
description: "Profusa fell 13% in after-hours trading to $24.01, pulling back after surging 422% intraday as its 1-for-4 reverse split took effect."
datetime: "2026-08-18T21:51:36.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/296273558.md)
  - [en](https://longbridge.com/en/news/296273558.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/296273558.md)
generator: "portal-rs"
---

# Profusa tumbles 13% in after-hours trading after 1-for-4 reverse stock split takes effect

Profusa(PFSA.US) 盘后跌 12.63%，现报 24.01 美元。

该股在 8 月 18 日常规交易时段因 1 合 4 反向拆股生效而大幅波动，盘中一度飙升逾**422%**至**32.82 美元**，创下当日高点。随后在盘后交易中出现回调，较前一收盘价**27.48 美元**回落至**24.01 美元**，跌幅达**12.63%**。

消息面上，Profusa 此前宣布完成 1 合 4 反向拆股，拆股后流通股从约 242 万股减少至约 60.6 万股。同时，公司已签署选择权协议，拟收购商业阶段诊断公司 G3 Vision Labs，后者 2025 年净收入估计达 1.11 亿美元。此外，公司近日更换管理层，任命 Jack Stover 为执行董事长兼 CEO，Ben Hwang 转任总裁。

### Related Stocks

- [PFSA.US](https://longbridge.com/en/quote/PFSA.US.md)

## Related News & Research

- [Profusa, Inc. Announces Compliance with Nasdaq Publicly Held Shares Requirement | PFSA Stock News](https://longbridge.com/en/news/297520570.md)
- [Profusa Secures New Convertible Note Financing Agreement](https://longbridge.com/en/news/297657214.md)
- [Profusa Confirms Continued Compliance With Nasdaq Listing Standards](https://longbridge.com/en/news/297548014.md)
- [HRT Financial LP acquires 1,310 Profusa shares for $1,323.1](https://longbridge.com/en/news/294404239.md)
- [Profusa shareholders approve proposals at annual meeting](https://longbridge.com/en/news/290691456.md)

---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**