MarketPeel
Insider Trading Intelligence
Pricing
…
Shuo Zhang
Wed, Jul 1, 2026
14d ago
bought
$0.00
of
PDFS
2,689
shares @ $0.00
Increased holdings by
+12.10%
Cluster Buy
Trade made by a director
Part of a cluster of 4 transactions by 4 insiders
Unscheduled trade
Price 86% above 200-day moving average
PDFS
PDF SOLUTIONS INC
Technology
Software - Application
1D
0.00%
1W
+3.43%
1M
-16.70%
3M
+29.65%
6M
—
1Y
—
Recent insider activity at PDFS
May 13
Michael B. Gustafson
Bought
$145.88k
Feb 25
John Kachig Kibarian
Bought
$345.89k
Feb 24
John Kachig Kibarian
Bought
$783.32k
Feb 24
Michael B. Gustafson
Bought
$92.24k
Dec 17
Andrzej Strojwas
Sold
$182.40k
Dec 17
Andrzej Strojwas
Sold
$7.64k
Dec 16
Andrzej Strojwas
Sold
$155.19k
Dec 11
Nancy Erba
Sold
$61.62k
Full PDFS profile →
Shuo Zhang’s trading history →
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