---
title: "Adverum Biotechnologies Executives Increase Stake in Company"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/269025255.md"
description: "Adverum Biotechnologies executives Laurent Fischer and Peter Soparkar have increased their stakes in the company. Fischer, CEO and President, purchased 128,699 shares for $553,916, raising his ownership to 201,513 shares. Soparkar, COO, acquired 50,000 shares for $211,000, increasing his stake to 80,189 shares. These transactions occurred on December 5 and 8, 2025, at average prices of $4.24 and $4.31 per share."
datetime: "2025-12-09T02:50:00.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/269025255.md)
  - [en](https://longbridge.com/en/news/269025255.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/269025255.md)
generator: "portal-rs"
---

# Adverum Biotechnologies Executives Increase Stake in Company

| Reporter Name   | Relationship                           | Type     | Amount   | SEC Filing |
| --------------- | -------------------------------------- | -------- | -------- | ---------- |
| Fischer Laurent | CEO, PRESIDENT AND DIRECTOR, 10% Owner | Purchase | $553,916 | Form 4     |
| Soparkar Peter  | CHIEF OPERATING OFFICER, 10% Owner     | Purchase | $211,000 | Form 4     |

Laurent Fischer, CEO, President, and Director of Adverum Biotechnologies, and a 10% owner, has significantly increased his stake in the company by purchasing 128,699 common shares across transactions on December 5 and December 8, 2025. The total investment amounted to $553,916, with the weighted-average purchase price of the shares being $4.24 on December 5 and $4.31 on December 8. Following these transactions, Fischer's direct ownership in the company has risen to 201,513 common shares.

Peter Soparkar, Chief Operating Officer and 10% owner at Adverum Biotechnologies, also made a substantial investment by acquiring 50,000 shares of common stock on December 5, 2025, at a weighted-average price of $4.22 per share, totaling $211,000. This purchase increases Soparkar's direct ownership to 80,189 shares.

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