SCHEDULE 13G Filed 2026-10-09 Event — SEC 0000814133-26-000127 →

WASATCH ADVISORS LP → PDF Solutions Inc PDFS

Stake: — Shares: — CUSIP: 693282105 Class: Common Stock SH

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

1 transaction

0 buys · 1 sales · 0 awards/exercises

Issuer Cluster

1 13D/G filings on this issuer

0 other filings besides this one

Filer Track Record

10 filings by this filer

9 other filings in the data moat

Short Interest · settle 2026-09-30

DTC 5.81

3,541,446 shares short · +9.0% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-08-12	Zhang Shuo	director	Sale	1,501	$51.47	$77K

Other Filings by WASATCH ADVISORS LP

Filed	Form	Issuer	Stake	Shares
2026-10-09	SCHEDULE 13G	Global-e Online Ltd	—	—	view →
2026-10-09	SCHEDULE 13G	Mesa Laboratories Inc	—	—	view →
2026-10-09	SCHEDULE 13G	Amtech Systems Inc	—	—	view →
2026-10-09	SCHEDULE 13G	Black Rock Coffee Bar Inc	—	—	view →
2026-10-09	SCHEDULE 13G	ICF International Inc	—	—	view →
2026-10-09	SCHEDULE 13G	ICF International Inc	—	—	view →
2026-10-09	SCHEDULE 13G	Orion Group Holdings Inc	—	—	view →
2026-07-09	SCHEDULE 13G	Casella Waste Systems Inc CWST	—	—	view →
2026-07-07	SCHEDULE 13G	Champion Homes Inc SKY	—	—	view →

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