Insider Trading & Ownership of Michael B. Gustafson

Location
Broomfield, CO
Summary
The estimated net worth of Michael B. Gustafson is at least $816,007 dollars as of 02 Jul 2025. Michael B. Gustafson is the Director of PDF SOLUTIONS INC and owns shares of PDF SOLUTIONS INC (PDFS) stock worth about $721.9K. Michael B. Gustafson is the Director of EVERSPIN TECHNOLOGIES INC and owns shares of EVERSPIN TECHNOLOGIES INC. (MRAM) stock worth about $94.1K.
Signature
/s/ Adnan Raza, Attorney-in-Fact for Michael B. Gustafson
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Quick Takeaways

  • Michael B. Gustafson has 3 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $816,007.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: PDF SOLUTIONS INC ($721,932).
  • 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 B. Gustafson

PDFS Forms 3/4/5

PDF SOLUTIONS INC

Relationship
Director
Holdings value
$721,932
Past year net change
Change %
Report period
01 Jul 2025

Insider Transactions Reported by Michael B. Gustafson:

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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