Sina ($SINA) Misleading Take-Private Deal and Deflated Buyout Price Case

The court has appointed the lead plaintiff to represent the class.

S.D. New York

Court

1:25-cv-07820

Case number

10/13/2020

Class period Start

03/22/2022

Class period End

11/18/2025

Lead Plaintiff motion deadline

$SINA investors filed a claim against Sina Corporation for misleading shareholders during its 2020–2021 take-private merger by concealing the true value of its TuSimple investment and issuing false statements about the fairness of the buyout price.
After new evidence emerged in a Cayman appraisal proceeding showing that TuSimple was worth nearly double what Sina claimed, investors allege they were shortchanged by selling their shares at a deflated price of $43.30.
$SINA investors can join this case to be notified about potential recovery.
Case Details:

Between October 13, 2020, and March 22, 2021, Sina Corp. executives and board members encouraged shareholders to vote in favor of a take-private merger at $43.30 per share, calling the deal fair and supported by third-party analysis. Sina claimed that the offer reflected fair value, citing Morgan Stanley’s financial opinion, and made no mention of significant hidden value.

Unbeknownst to investors, Sina held a 34% stake in TuSimple, an autonomous trucking company poised for a high-valuation IPO. While Sina vaguely referenced its 2018 $90M investment in a “private AI company,” it did not disclose that TuSimple was conducting a Series E fundraising round at a $2.5B valuation and preparing for a $7B IPO in April 2021.

Sina continued to obscure TuSimple’s true worth in SEC proxy filings, using a stale $1.2B valuation as the high end of its range. The deal was approved by shareholders on December 23, 2020, and closed on March 22, 2021.

Only later, during a Cayman Islands Section 238 appraisal proceeding, did shareholders uncover that Sina had access to updated TuSimple projections and higher valuation data during the merger process—yet intentionally omitted this from merger documents.

Based on these events, $SINA investors filed a claim against Sina, alleging the company:
It concealed the true value of its TuSimple stake to justify an artificially low buyout price.
It filed misleading proxy materials and financial opinions that underrepresented asset value.
It deceived shareholders into approving a merger that failed to reflect the company’s fair value.
Investors argue Sina misled the market and its own shareholders, causing them to sell their shares at a deflated price while insiders stood to benefit from a low-cost buyout.

Case Type

US Securities Class Action

Case Status

Lead Plaintiff Appointed

Alleged Offence

Misleading Statements,

Financial Misrepresentation,

Failure to Disclose

Suspected Party

Directors,

Management

Security Type

Stocks

Trade Direction

Long

Shock Event Date

03/22/2021

Filing date

09/19/2025

Lead Plaintiff Deadline

11/18/2025

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