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  • Insider Ownership

Insider Trading & Ownership of Michael L. Speiser

Location
Palo Alto, CA
Summary
The estimated net worth of Michael L. Speiser is at least $893,044,689 dollars as of 06 Apr 2026. Michael L. Speiser is the Director of Snowflake Inc. and owns shares of Snowflake Inc. (SNOW) stock worth about $891.33M. Michael L. Speiser is the Director of Workday, Inc. and owns shares of Workday, Inc. (WDAY) stock worth about $1.72M.
Signature
/s/ Marie Reider, Attorney-in-Fact
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Quick Takeaways

  • Michael L. Speiser has 2 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $893,044,689.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Snowflake Inc. ($891,328,172).
  • Past-year value change for that position: -$125,249,216.

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Official SEC Source

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Michael L. Speiser

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
SNOW Snowflake Inc. Director $891,328,172 -$125,249,216 -12% 06 Apr 2026
WDAY Workday, Inc. Director $1,716,517 04 Jun 2025

Insider Transactions Reported by Michael L. Speiser:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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