InsidersTradesSigma
Total declarations
Companies
▲ Purchases (2 ops.)
▼ Sales (6 ops.)
Insider track record
Board DirectorDisclosed buys
2
Disclosed sells
6
T+90 hit rate
100%
T+90 mean return
+11.9%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by Gustafson Michael B, Director. Officer active across 4 companies, notably PDF Solutions INC. Cumulatively, 20 disclosures have been logged. Breakdown: 2 buys · 6 sells. Total volume traded: €1.1m. History available since 12 November 2021. The latest transaction was filed on 13 May 2025 (Acquisition). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Gustafson Michael B
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations20 total
7,429 sharesCommon StockSEC:0001437749-25-021976:0
7,500 shares@ US$19.4513.6% of flowCommon StockSEC:0001415889-25-012951:0
Canonical exit: 11 Aug 2025 (T+90)
718,169 sharesClass A Common StockSEC:0001104659-25-019791:0
4,000 shares@ US$23.069.2% of flowCommon StockSEC:0001415889-25-005624:0
Canonical exit: 25 May 2025 (T+90)
458,653 shares@ US$0.3472100.0% of flowClass A Common StockSEC:0001562180-25-001451:0
4,382 sharesCommon StockSEC:0001415889-24-018714:0
60,763 shares0Class A Common StockSEC:0001562180-24-005011:0
867 shares@ US$31.292.6% of flowCommon StockSEC:0001415889-23-016447:0
3,354 sharesCommon StockSEC:0001415889-23-010692:0
38,126 shares0Class A Common StockSEC:0001562180-23-005132:0
13,316 shares@ US$37.2648.9% of flowCommon StockSEC:0001415889-23-003733:0
2,500 shares@ US$29.797.5% of flowCommon StockSEC:0001415889-22-011490:0
4,100 shares@ US$7.568.7% of flowCommon StockSEC:0001209191-22-046906:0
7,212 sharesCommon StockSEC:0001415889-22-007425:0
29,724 sharesClass A Common StockSEC:0000899243-22-004863:0
27,992 shares0Common StockSEC:0001104659-21-141417:0
14,286 shares@ US$12.7084.0% of flowCommon StockSEC:0001104659-21-141428:0
3,000 shares@ US$32.99739.9% of flowCommon StockSEC:0001415889-21-005205:0
81,759 sharesClass A Common StockSEC:0000899243-21-030096:0
4,688 sharesCommon StockSEC:0001104659-21-088954:0
20 of 20 declarations
About Gustafson Michael B
GUSTAFSON MICHAEL B is Administrateur of PDF Solutions INC, Matterport, Inc./DE, Everspin Technologies INC and Gores Holdings VI, Inc., all listed on XNAS. The 20 filings on record cover the period from 2021-07-02 to 2025-07-02, and among the recent filings observed there are buys of EUR 218472 and sells of EUR 842099, with the transaction nature shown as Attribution.
