StockCIK 1120914

PDF SOLUTIONS INC (PDFS): Insider Trades and Fund Holdings

In the past 12 months, PDF SOLUTIONS INC insiders reported 0 open-market purchases worth $0 and 1 sale worth $151K; 0 of the sales were reported as made under a 10b5-1 trading plan.

0Insider buys, 12 months

$0Bought by insiders, 12 months

$151KSold by insiders, 12 months

1Tracked funds holding

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 1, 2026.

Recent PDFS insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Sep 1	Aug 31	Andrzej StrojwasCTO	CTO	▼ SELL	3,394	44.41	$151K	−3.6%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

Insiders who traded in the past year

Insider	Role	Buys	Bought	Sells	Sold	Latest
Andrzej Strojwas	CTO	0	$0	1	$151K	Sep 1, 2026

Tracked funds that report PDFS

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

Fund	Quarter	Shares	Value	% of portfolio	Change
Bridgewater Associates	Q2 2026	4,807	$340K	0.00%	▲ New

Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →