| $255M | ||
| $48M | ||
| $38M | ||
| $37M | ||
| $34M | ||
| $34M |
Buys | $0 | 0 | 0 |
Sells | $227,984 | 2 | 100 |
| Zhang Shuo | director | 0 | $0 | 1 | $77,256 | $-77,256 |
| Strojwas Andrzej | Chief Technology Officer | 0 | $0 | 1 | $150,728 | $-150,728 |
PDF Solutions, Inc. offers a comprehensive array of solutions to the semiconductor sector, encompassing proprietary software, physical intellectual property for integrated circuit designs, electrical measurement hardware, proven methodologies, and professional services. The company maintains a global presence, with significant operations in the United States, China, Japan, Taiwan, and other international regions. At the core of their software portfolio is the Exensio platform. This includes Manufacturing Analytics, which centralizes collected …
Over the last 12 months, insiders at PDF Solutions, Inc. have bought $0 and sold $227,984 worth of PDF Solutions, Inc. stock.
On average, over the past 5 years, insiders at PDF Solutions, Inc. have bought $1.37M and sold $1.35M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 7,500 shares for transaction amount of $145,875 was made by GUSTAFSON MICHAEL B (director) on 2025‑05‑13.
| 2026-08-31 | Sale | Strojwas Andrzej | Chief Technology Officer | 3,394 0.0083% | $44.41 | $150,728 | +2.43% | |
| 2026-08-12 | Sale | Zhang Shuo | director | 1,501 0.0036% | $51.47 | $77,256 | -12.06% | |
| 2025-05-13 | GUSTAFSON MICHAEL B | director | 7,500 0.0192% | $19.45 | $145,875 | +41.27% | ||
| 2025-02-25 | KIBARIAN JOHN KACHIG | PRESIDENT AND CEO | 15,644 0.0388% | $22.11 | $345,889 | +4.10% | ||
| 2025-02-24 | KIBARIAN JOHN KACHIG | PRESIDENT AND CEO | 34,356 0.0878% | $22.80 | $783,317 | +0.62% | ||
| 2025-02-24 | GUSTAFSON MICHAEL B | director | 4,000 0.0103% | $23.06 | $92,240 | +0.62% | ||
| 2024-12-17 | Sale | Strojwas Andrzej | CTO | 6,253 0.0161% | $30.39 | $190,040 | -25.99% | |
| 2024-12-16 | Sale | Strojwas Andrzej | CTO | 5,030 0.013% | $30.85 | $155,194 | -26.71% | |
| 2024-12-11 | Sale | Erba Nancy | director | 2,000 0.0052% | $30.81 | $61,620 | -26.56% | |
| 2024-06-03 | Sale | Zhang Shuo | director | 5,500 0.0143% | $34.66 | $190,630 | -16.45% | |
| 2024-05-17 | Sale | Raza Adnan | EVP, FINANCE AND CFO | 9,647 0.0249% | $33.95 | $327,516 | -14.31% | |
| 2024-05-16 | Sale | Raza Adnan | EVP, FINANCE AND CFO | 16,504 0.0424% | $33.82 | $558,165 | -12.75% | |
| 2024-05-15 | Sale | Raza Adnan | EVP, FINANCE AND CFO | 1,343 0.0035% | $34.52 | $46,360 | -14.29% | |
| 2024-02-26 | Sale | Li Ye Jane | director | 9,653 0.0252% | $33.27 | $321,155 | -5.95% | |
| 2024-02-23 | Sale | Li Ye Jane | director | 1,531 0.004% | $34.00 | $52,054 | -6.79% | |
| 2024-02-21 | Sale | BRONSON JOSEPH R | director | 15,000 0.0394% | $34.63 | $519,450 | -9.28% | |
| 2023-12-13 | Sale | GUSTAFSON MICHAEL B | director | 4,883 0.0127% | $30.86 | $150,689 | +3.54% | |
| 2023-12-12 | Sale | GUSTAFSON MICHAEL B | director | 867 0.0023% | $31.29 | $27,128 | +3.88% | |
| 2023-11-29 | Sale | Erba Nancy | director | 1,800 0.0047% | $30.57 | $55,026 | +5.80% | |
| 2023-08-18 | Sale | Zhang Shuo | director | 3,047 0.008% | $33.75 | $102,836 | -3.84% |
| KIBARIAN JOHN KACHIG | PRESIDENT AND CEO | 2522756 5.9742% | $106.44M | 4 | 53 | <0.0001% |
| LANZA LUCIO | director | 318967 0.7554% | $13.46M | 11 | 6 | +48.14% |
| JENSEN JAMES D | VP, Yield Aware - FDC | 51219 0.1213% | $2.16M | 1 | 5 | +60.71% |
| GUSTAFSON MICHAEL B | director | 30074 0.0712% | $1.27M | 2 | 9 | +20.95% |
| HEINRICHS R STEPHEN | director | 19431 0.046% | $819,793.89 | 3 | 2 | +51.39% |
| HAWIT ANDRE | VP/GM Yield Mngmt Solutions | 7000 0.0166% | $295,330.00 | 8 | 65 | <0.0001% |
$17,961,727 | 123 | 11.41% | $2.09B | |
$8,333,391 | 65 | 80.00% | $1.12B | |
$6,540,412 | 60 | 52.57% | $1.28B | |
PDF Solutions, Inc. (PDFS) | $2,920,291 | 29 | 25.28% | $1.78B |
$24,728,637 | 18 | 40.67% | $1.23B |
| Increased Positions | 104 | +53.33% | 3M | +9.28% |
| Decreased Positions | 86 | -44.1% | 2M | -5.95% |
| New Positions | 29 | New | 2M | New |
| Sold Out Positions | 25 | Sold Out | 898,752 | Sold Out |
| Total Postitions | 213 | +9.23% | 31M | +3.34% |
| Blackrock, Inc. | $143,708.00 | 12.16% | 4.86M | +65,534 | +1.37% | 2025-09-30 |
| Vanguard Group Inc | $93,219.00 | 7.89% | 3.15M | -29,081 | -0.91% | 2025-09-30 |
| Needham Investment Management Llc | $59,648.00 | 5.05% | 2.02M | +105,050 | +5.49% | 2025-09-30 |
| William Blair Investment Management, Llc | $39,876.00 | 3.37% | 1.35M | +162,358 | +13.68% | 2025-09-30 |
| State Street Corp | $33,863.00 | 2.87% | 1.15M | +8,671 | +0.76% | 2025-09-30 |
| Samjo Management, Llc | $33,117.00 | 2.8% | 1.12M | +184,925 | +19.76% | 2025-09-30 |
| Ranger Investment Management, L.P. | $31,241.00 | 2.64% | 1.06M | +11,665 | +1.12% | 2025-09-30 |
| Emerald Advisers, Llc | $27,855.00 | 2.36% | 942,655 | -11,706 | -1.23% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $23,974.00 | 2.03% | 811,293 | -35,157 | -4.15% | 2025-09-30 |
| Snyder Capital Management L P | $23,651.00 | 2% | 800,357 | -12,282 | -1.51% | 2025-09-30 |