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  • Insider Ownership

Insider Trading & Ownership of William M. Cook

Location
Philadelphia, PA
Summary
The estimated net worth of William M. Cook is at least $7,544,314 dollars as of 05 Mar 2026. William M. Cook is the Director of IDEX CORP /DE/ and owns shares of IDEX CORP /DE/ (IEX) stock worth about $4.72M. William M. Cook is the Director of Axalta Coating Systems Ltd. and owns shares of Axalta Coating Systems Ltd. (AXTA) stock worth about $1.61M. William M. Cook is the Director of Mativ Holdings, Inc. and owns shares of Mativ Holdings, Inc. (MATV) stock worth about $1.21M.
Signature
/s/ Mark Sherman, attorney-in-fact
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Quick Takeaways

  • William M. Cook has 4 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $7,544,314.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: IDEX CORP /DE/ ($4,719,592).
  • 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.

Official SEC Source

Filed on Form 4

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

See Original Filing

Ownership of William M. Cook

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
IEX IDEX CORP /DE/ Director $4,719,592 06 May 2022
AXTA Axalta Coating Systems Ltd. Director $1,612,176 03 Mar 2026
MATV Mativ Holdings, Inc. Director $1,212,546 +$29,200 +2.5% 01 Jan 2026
NP Neenah Inc Director 06 Jul 2022

Insider Transactions Reported by William M. Cook:

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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