GUSTAFSON MICHAEL B — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

GUSTAFSON MICHAEL B has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $146K.

Profile

GUSTAFSON MICHAEL B
RoleDirector
Notability30/100

Board memberships

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-07-02PDFSPDF SOLUTIONS INCA — Grant or award2.7K—
2025-07-01PDFSPDF SOLUTIONS INCA — Grant or award7.4K—
2025-05-13PDFSPDF SOLUTIONS INCP — Open-market purchase7.5K$19.45$146K

Companies — Last 90 Days

Frequently Asked Questions

Who is GUSTAFSON MICHAEL B?

GUSTAFSON MICHAEL B is a corporate insider — currently tracked as Director of PDF SOLUTIONS INC (PDFS). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has GUSTAFSON MICHAEL B submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has GUSTAFSON MICHAEL B been buying or selling stock?

Recorded transactions: 1 open-market purchases ($146K) and 0 open-market sales () across all tracked filings.

Where can I see all of GUSTAFSON MICHAEL B's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

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