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  • Insider Ownership

Insider Trading & Ownership of William P. Noglows

Location
Northborough, MA
Summary
The estimated net worth of William P. Noglows is at least $9,172,622 dollars as of 09 Mar 2026. William P. Noglows is the Director of LITTELFUSE INC /DE and owns shares of LITTELFUSE INC /DE (LFUS) stock worth about $8.64M. William P. Noglows is the Director of ASPEN AEROGELS INC and owns shares of ASPEN AEROGELS INC (ASPN) stock worth about $528.6K.
Signature
/s/Ryan K. Stafford, Power of Attorney
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Quick Takeaways

  • William P. Noglows has 3 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $9,172,622.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: LITTELFUSE INC /DE ($8,644,032).
  • 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 P. Noglows

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
LFUS LITTELFUSE INC /DE Director $8,644,032 05 Mar 2026
ASPN ASPEN AEROGELS INC Director $528,590 30 Apr 2025
CCMP CMC Materials, Inc. Director 06 Jul 2022

Insider Transactions Reported by William P. Noglows:

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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