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Insider Trading & Ownership of Michael M. Larsen

Location
Glenview, IL
Summary
The estimated net worth of Michael M. Larsen is at least $19,923,952 dollars as of 15 Apr 2026. Michael M. Larsen is the SVP & CFO of ILLINOIS TOOL WORKS INC and owns shares of ILLINOIS TOOL WORKS INC (ITW) stock worth about $18.51M. Michael M. Larsen is the Director of SMITH A O CORP and owns shares of SMITH A O CORP (AOS) stock worth about $1.41M.
Signature
James F. Stern, Attorney-in-Fact for Michael M. Larsen
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Quick Takeaways

  • Michael M. Larsen has 2 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $19,923,952.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: ILLINOIS TOOL WORKS INC ($18,513,739).
  • Past-year value change for that position: .

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.

Source Evidence

Filed on Form 4

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

See Original Filing

Ownership of Michael M. Larsen

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
ITW ILLINOIS TOOL WORKS INC Svp & Cfo $18,513,739 12 Feb 2026
AOS SMITH A O CORP Director $1,410,213 13 Apr 2026

Insider Transactions Reported by Michael M. Larsen:

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.