Key facts
- This page summarizes Shuo Zhang's Form 4 filing for PDF SOLUTIONS INC (PDFS).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 12 Aug 2026, 21:32.
Shuo Zhang - 12 Aug 2026 Form 4 Insider Report for PDF SOLUTIONS INC (PDFS)
- Reporting relationship
- Director
- Issuer ticker
- PDFS
- Reported as of
- 12 Aug 2026
- Net transaction value
- -$77,256
- SEC form
- 4
- Accepted by SEC
- 12 Aug 2026, 21:32:57 UTC
- Prior SEC filing
- 02 Jul 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Adnan Raza, Attorney-in-Fact for Shuo Zhang
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Shuo Zhang filed Form 4 for PDF SOLUTIONS INC (PDFS) on 12 Aug 2026.
Change
- Previous filing in this sequence was filed on 02 Jul 2026.
- Current net transaction value: -$77,256.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001782026
Primary reporting owner
Zhang Shuo
- Relationship
- Director
- Address
- 2858 DE LA CRUZ BLVD., SANTA CLARA
- Signature
- /s/ Adnan Raza, Attorney-in-Fact for Shuo Zhang
- Signature date
- 12 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
PDFS
transaction
Common Stock
Sale
- Transaction value
- $77,256
- Shares
- -1,501
- Change %
- -6%
- Price
- $51.47
- Shares after
- 23,380
- Date
- 12 Aug 2026
- Ownership
- Direct
* marks a reported price that did not pass the local price check.