SEC CIK 1245081

GUSTAFSON MICHAEL B

Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
PDFSview stock →40,1922026-07-01
MRAMview stock →36,7482022-08-18

Position History — PDFS

Reported shares owned immediately after each Form 4 transaction, over time.

013,39726,79540,1922018-112019-112021-072022-112023-072024-072025-072026-07

Recent Filings — PDFS

DateActivitySharesPriceOwned After
2026-07-01Grant / award2,689—40,192
2025-07-01Grant / award7,429—37,503
2025-05-13Open-market buy7,500$19.4530,074
2025-02-24Open-market buy4,000$23.0622,574
2024-07-01Grant / award4,382—18,574
2023-12-13Open-market sale4,883$30.8614,192
2023-12-12Open-market sale867$31.2919,075
2023-07-01Grant / award3,354—19,942
2023-02-28Open-market sale13,316$37.2616,588
2022-11-16Open-market sale2,500$30.0529,904
2022-11-15Open-market sale2,500$29.7932,404
2022-07-01Grant / award7,212—34,904
2021-11-12Open-market sale3,000$33.0027,692
2021-07-01Grant / award4,688—30,692
2020-08-01Grant / award4,688$0.0026,004
2019-11-06Open-market sale2,214$15.7521,316
2019-11-05Open-market sale386$15.9723,530
2019-07-01Grant / award4,688$0.0023,916
2019-06-13Open-market sale1,000$12.9519,228
2018-11-01Grant / award20,228$0.0020,228

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.