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Insider profit lawsuit deadlines

Credit Suisse Securities v. Simmonds

Updated Oct 18, 2026

In brief

The Supreme Court wiped out the Ninth Circuit’s deadline rule and sent the case back, but did not decide whether the two-year period can otherwise be extended.

Where it stands
Decided

Decided 8-0 · March 26, 2012 · Opinion by Justice Scalia

What it’s about
Vanessa Simmonds’ claims against Credit Suisse and other banks turned on the two-year deadline for securities-law claims.
Who it affects
Simmonds’ claims cannot rely on a pause lasting until an insider files a Section 16(a) statement; the Court did not settle whether the two-year period can otherwise be extended.

Summary: written with AI from the case record.

Illustration for Credit Suisse Securities (USA) LLC v. Vanessa Simmonds
Conceptual illustration · AI-generated

What it's about

The Court rejected the Ninth Circuit’s rule that the deadline pauses until an insider files a disclosure, wiped out that ruling (vacated it), and sent the case back (remanded); the justices were evenly divided on whether the deadline can otherwise be extended.

Section 16(b) measures its two-year period from the date the profit was realized.

Question presented

Is the two-year time limit for bringing an action under Section 16(b) of the 1934 Securities Exchange Act subject to tolling, and if so, does tolling continue even after the receipt of actual notice of the facts giving rise to the claim?

What the Court decided

Holding

Even assuming that the 2-year period can be extended (a question on which the Court is equally divided), the Ninth Circuit erred in determining that it is tolled until a §16(a) statement is filed. The text of §16(b)—which starts the clock from “the date such profit was realized,” §78p(b)—simply does not support the Whittaker rule. The rule is also not supported by the background rule of equitable tolling for fraudulent concealment. 638 F. 3d 1072, vacated and remanded.

Result
Vacated

The Court's reasoning

Section 16(b) starts the two-year clock on the date the profit was realized, the Court said, so it does not support pausing the deadline until an insider files a Section 16(a) statement. The usual rule for pausing deadlines when facts are fraudulently concealed did not support that rule either.

The vote

  • Joined the judgment
  • Wrote an opinion
Majority · 8joined the Court's opinion
  1. Breyer
  2. Kagan
  3. Thomas
  4. Scaliawrote the opinion
  5. Kennedy
  6. Ginsburg
  7. Sotomayor
  8. Alito
8 justices joined the judgment.

What's next

The case returns to the Ninth Circuit for further proceedings under the Supreme Court’s ruling.

Documents

2

Docket activity

10
  • New analysis added

    Oct 18, 2026 · Court records

  • AI analysis generated: Impact Analysis

    Oct 18, 2026 · Generated

  • AI analysis generated: Opinion Summary

    Oct 18, 2026 · Generated

  • New analysis added

    Oct 18, 2026 · Court records

  • AI analysis generated: Case Briefing

    Oct 18, 2026 · Generated

Show 5 more
  • AI analysis generated: Decision Record

    Oct 18, 2026 · Generated

  • Case data updated: summary, question_presented, generation_metadata

    Oct 18, 2026 · Court records

  • Case data updated: question_presented, extraction_metadata

    Oct 17, 2026 · Court records

  • Audio Recording added: Oral Arguments - Simmonds

    Oct 30, 2014 · Court records

  • Opinion added: Simmonds

    Mar 26, 2012 · Court records

Sources

Primary materials plus reporting. Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.

Checked Oct 18, 2026Methodology

Court records and filings

Reporting and analysis