
Slack Technologies, LLC v. Pirani
In a case involving Slack's direct public listing, the Supreme Court ruled that individuals suing under Section 11 of the Securities Act of 1933 must prove they purchased shares directly traceable to the allegedly misleading registration statement.
- Status
- Decided
- Appeal from
- United States Court of Appeals for the Ninth Circuit
- Argued
- Apr 17, 2023
- Decision released
- Jun 1, 2023
Decision briefing
The case in plain English
What Happened
The Supreme Court ruled that investors suing under Section 11 of the Securities Act of 1933 must prove they bought shares covered by a specific, misleading registration statement. This decision came after Slack went public through a direct listing, where both new and old shares were sold at the same time.
Why It Matters
This ruling makes it harder for investors to sue companies that use direct listings to go public. If an investor cannot prove exactly which registration document their shares came from, they may lose their right to sue for misleading information.
The Big Picture
The Securities Act of 1933 was designed to protect investors by requiring companies to be honest when selling stocks. This case clarifies how those old rules apply to modern ways of joining the stock market, like direct listings.
What the Justices Said
The Court issued a decision on June 1, 2023, regarding the requirements for pleading and proving share traceability under the Securities Act.
“Section 11(a) liability extends only to shares that are traceable to an allegedly defective registration statement.”
The Bottom Line
Investors must now prove their specific shares are linked to a faulty registration statement to win a lawsuit under Section 11.
What's Next
Lower courts will now apply this strict 'traceability' rule to other lawsuits involving direct listings. Companies may feel more comfortable using direct listings knowing they have more protection from certain types of investor lawsuits.
What was the core dispute in this case?
The dispute was whether investors could sue over misleading statements if they could not prove their shares were the ones officially registered for sale.
What are the real-world consequences for investors?
Investors who buy stock in direct listings may find it nearly impossible to sue for fraud. This is because different types of shares are mixed together immediately.
What is the specific legal rule the Court established?
The Court held that Section 11 liability only applies to shares traceable to the specific registration statement being challenged. Plaintiffs must plead and prove this connection.
What is the next procedural step for this case?
The case will likely return to lower courts to see if the plaintiffs can meet this new, stricter requirement. Observers will watch how other courts interpret this ruling.
How does this fit into broader trends in the stock market?
As more tech companies choose direct listings over traditional IPOs (Initial Public Offerings), this ruling shifts the legal risk from companies to individual investors.
Where things stand
Timeline
Source note
How this page is sourced
Official case materials anchor this page. Reporting is used only to add context and explain the dispute in plain English.
Page data last refreshed Mar 31, 2026.
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