PDFS insider buying and SEC filings, explained
PDF Solutions Inc. · CIK 1120914
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$228K
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 31, 2026 | Sale | Andrzej Strojwas (Chief Technology Officer) sold 3,394 shares at $44.41 ($151K). Holdings down 4% to 90,965 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 1, 2026 |
| Aug 12, 2026 | Sale | Shuo Zhang (Director) sold 1,501 shares at $51.47 ($77K). Holdings down 6% to 23,380 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 12, 2026 |
15 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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