---
title: "Anthropic voids unauthorized pre-IPO trades, names blocked platforms"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286821932.md"
description: "Anthropic has declared that any unauthorized transfer of its stock is void, including through SPVs and tokenized securities. The company has blacklisted platforms like Forge and Hiive for unauthorized trading, warning of potential fraud. Following this announcement, Anthropic tokens on Solana dropped by up to 45%, indicating investor concerns over the enforcement of these rules."
datetime: "2026-05-18T21:31:18.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286821932.md)
  - [en](https://longbridge.com/en/news/286821932.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286821932.md)
---

# Anthropic voids unauthorized pre-IPO trades, names blocked platforms

Strict transfer rules: Anthropic says any unapproved transfer of its stock is void, including via SPVs, tokenized securities, and forward contracts. Platforms blacklisted: The company named multiple entities, including Forge and Hiive, as unauthorized to trade its equity, warning of potential fraud. Market reaction: Solana-based Anthropic tokens plunged up to 45% in a day, reflecting investor unease over the crackdown.

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