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Zymergen IPO Securities Settlement — $125M

Zymergen IPO class action

What happened

Zymergen and its IPO underwriters agreed to a $125 million settlement with investors who bought shares in the biotech's 2021 IPO, shortly before the company disclosed a failed key product and a revenue collapse.

The allegations

Plaintiffs alleged the IPO registration statement misrepresented the prospects of Hyaline, Zymergen's flagship electronic-film product, which was later revealed to have delivery and reliability problems.

Who qualifies

You bought Zymergen stock traceable to its April 2021 IPO registration statement (purchases April 21 – August 3, 2021). Brokerage records are required, plus holdings on April 20 and August 4, 2021.

Class period: Purchases April 21 – August 3, 2021, traceable to the April 2021 IPO registration statement

Defendants

Zymergen Inc. · underwriters of the April 2021 IPO

Verify before you file. This page is information gathered from the sources below on October 6, 2026 — it is not the official notice. Amounts and deadlines live only on the settlement administrator's site.

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