VANGUARD GROUP INC 13D and 13G filings for PDF Solutions, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-03-27 11:22 am Sale | 2026-03-13 | 13G | PDF SOLUTIONS INC PDFS | VANGUARD GROUP INC | 0 0.000% | -3,089,669 (Position Closed) | Filing |
| 2024-02-13 5:12 pm Purchase | 2023-12-29 | 13G | PDF SOLUTIONS INC PDFS | VANGUARD GROUP INC | 3,089,669 8.080% | 836,378 (+37.12%) | Filing |
| 2023-02-09 11:30 am Purchase | 2022-12-30 | 13G | PDF SOLUTIONS INC PDFS | VANGUARD GROUP INC | 2,253,291 6.030% | 156,339 (+7.46%) | Filing |
| 2022-02-10 08:32 am Sale | 2021-12-31 | 13G | PDF SOLUTIONS INC PDFS | VANGUARD GROUP INC | 2,096,952 5.620% | -52,554 (-2.44%) | Filing |