PDF Solutions, Inc. (PDFS) Insider Trading Activity

NASDAQ$45.65
Market Cap
$1.91B
Sector
Technology
Industry
Software—Application
Rank in Sector
481 of 604
Rank in Industry
157 of 194

PDFS Insider Trading Activity

PDFS Median Price and Trade Amounts History Chart

Statistics of Insider Transactions

Amount of Insider Buys and Sells

Buys
$0
0
0
Sells
$227,984
2
100

Related Transactions

Zhang Shuodirector
0
$0
1
$77,256
$-77,256
Strojwas AndrzejChief Technology Officer
0
$0
1
$150,728
$-150,728

About PDF Solutions, Inc.

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 data, providing engineers with a consistent view to effectively identify and analyze production yield, performance, and reliability issues. Process Control delivers capabilities for failure detection, classification, and robust monitoring and management of manufacturing tool sets. Test Operations focuses on efficient data collection and analytical functionalities, while Assembly Operations is designed to seamlessly link assembly, packaging, fabrication, and characterization data throughout a product's entire lifespan. Beyond software, PDF Solutions provides advanced hardware and systems such as their design-for-inspection (DFI) Systems, featuring DFI on-chip instruments, and the eProbe, a non-contact E-beam tool. They also offer the Characterization Vehicle (CV) system, which comprises CV test chips, pdFasTest electrical testers, and specialized Exensio characterization software tailored to process measurements gathered from DFI on-chip instruments using the eProbe tool. Further enhancing their product suite are Cimetrix software products, which facilitate the implementation of industry-standard interfaces for equipment manufacturers. Their service offerings extend to software-as-a-service (SaaS) subscriptions, various software-related support, and dedicated characterization services. PDF Solutions engages a broad spectrum of clients—including integrated device manufacturers, fabless semiconductor companies, foundries, equipment manufacturers, electronics manufacturing suppliers, original device manufacturers, outsourced semiconductor assembly and test firms, and system houses—through a combination of direct sales, dedicated service teams, and strategic alliances. Established in 1991, the company's headquarters are located in Santa Clara, California.

Insider Activity of PDF Solutions, Inc.

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.

List of Insider Buy and Sell Transactions, PDF Solutions, Inc.

2026-08-31SaleStrojwas AndrzejChief Technology Officer
3,394
0.0083%
$44.41
$150,728
-3.88%
2026-08-12SaleZhang Shuodirector
1,501
0.0036%
$51.47
$77,256
-13.21%
2025-05-13PurchaseGUSTAFSON MICHAEL Bdirector
7,500
0.0192%
$19.45
$145,875
+41.27%
2025-02-25PurchaseKIBARIAN JOHN KACHIGPRESIDENT AND CEO
15,644
0.0388%
$22.11
$345,889
+4.10%
2025-02-24PurchaseKIBARIAN JOHN KACHIGPRESIDENT AND CEO
34,356
0.0878%
$22.80
$783,317
+0.62%
2025-02-24PurchaseGUSTAFSON MICHAEL Bdirector
4,000
0.0103%
$23.06
$92,240
+0.62%
2024-12-17SaleStrojwas AndrzejCTO
6,253
0.0161%
$30.39
$190,040
-25.99%
2024-12-16SaleStrojwas AndrzejCTO
5,030
0.013%
$30.85
$155,194
-26.71%
2024-12-11SaleErba Nancydirector
2,000
0.0052%
$30.81
$61,620
-26.56%
2024-06-03SaleZhang Shuodirector
5,500
0.0143%
$34.66
$190,630
-16.45%
2024-05-17SaleRaza AdnanEVP, FINANCE AND CFO
9,647
0.0249%
$33.95
$327,516
-14.31%
2024-05-16SaleRaza AdnanEVP, FINANCE AND CFO
16,504
0.0424%
$33.82
$558,165
-12.75%
2024-05-15SaleRaza AdnanEVP, FINANCE AND CFO
1,343
0.0035%
$34.52
$46,360
-14.29%
2024-02-26SaleLi Ye Janedirector
9,653
0.0252%
$33.27
$321,155
-5.95%
2024-02-23SaleLi Ye Janedirector
1,531
0.004%
$34.00
$52,054
-6.79%
2024-02-21SaleBRONSON JOSEPH Rdirector
15,000
0.0394%
$34.63
$519,450
-9.28%
2023-12-13SaleGUSTAFSON MICHAEL Bdirector
4,883
0.0127%
$30.86
$150,689
+3.54%
2023-12-12SaleGUSTAFSON MICHAEL Bdirector
867
0.0023%
$31.29
$27,128
+3.88%
2023-11-29SaleErba Nancydirector
1,800
0.0047%
$30.57
$55,026
+5.80%
2023-08-18SaleZhang Shuodirector
3,047
0.008%
$33.75
$102,836
-3.84%
Total: 447
*Gray background shows transactions not older than one year

Insider Historical Profitability

25.28%
Strojwas AndrzejChief Technology Officer
90965
0.2173%
$4.15M05
Zhang Shuodirector
23380
0.0558%
$1.07M05
KIBARIAN JOHN KACHIGPRESIDENT AND CEO
2522756
6.0255%
$115.16M453
<0.0001%
COBOURN THOMASVP, Yield Analysis
773257
1.8469%
$35.3M059
LANZA LUCIOdirector
318967
0.7618%
$14.56M116
+48.14%
JOSEPH DAVIDChief Strategy Officer
193401
0.4619%
$8.83M014
MELMAN P STEVENVP Investor Relations
131507
0.3141%
$6M010
MICHAELS KIMON
125205
0.299%
$5.72M046
CASSIN BJdirector
100000
0.2388%
$4.57M027
JENSEN JAMES DVP, Yield Aware - FDC
51219
0.1223%
$2.34M15
+60.71%
Raza AdnanEVP, FINANCE AND CFO
48218
0.1152%
$2.2M08
GUSTAFSON MICHAEL Bdirector
30074
0.0718%
$1.37M29
+20.95%
HARTGRING CORNELISVice President, CSS
28508
0.0681%
$1.3M040
BRONSON JOSEPH Rdirector
26456
0.0632%
$1.21M02
HEINRICHS R STEPHENdirector
19431
0.0464%
$887,025.1532
+51.39%
WALKER GREGORY CCFO, VP Finance
13972
0.0334%
$637,821.80012
Erba Nancydirector
13739
0.0328%
$627,185.3502
Li Ye Janedirector
12132
0.029%
$553,825.8002
Yin Gerald Zheyaodirector
11023
0.0263%
$503,199.9501
Yu Albert YCdirector
8913
0.0213%
$406,878.45020
HAWIT ANDREVP/GM Yield Mngmt Solutions
7000
0.0167%
$319,550.00865
<0.0001%
BAYBROOK REBECCA MVice-President Human Resources
2168
0.0052%
$98,969.2001
MacLean KevinVP, Gen. Manager DFM Solutions
1974
0.0047%
$90,113.1003
LUCAS DONALD Ldirector
0
0%
$0012
BUEHLER-GARCIA MICHAEL JVice-President of Marketing
0
0%
$001
RAYMOND DOUGLAS MExecutive VP, Client Services
0
0%
$002
MALIK ZIAVP of Sales
0
0%
$002
Kim KwangHVP of Business Development
0
0%
$004
*Gray background shows insiders who have made transactions during last year

Historical Insider Profitability vs. Competitors

$1,663,291,565
152
-24.54%
$2.09B
$17,961,727
123
11.41%
$2.26B
$8,333,391
65
80.00%
$1.3B
$12,052,963
53
54.07%
$2.04B
PDF Solutions, Inc.
(PDFS)
$2,920,291
29
25.28%
$1.91B
$24,728,637
18
40.67%
$1.58B
$1,103,306
18
35.84%
$2.33B
$3,941,854
10
15.04%
$2.14B
$721,098
10
-4.07%
$2.05B
$348,831,538
9
-23.39%
$1.46B
$60,645,333
9
-5.98%
$2.11B
$1,015,069
8
-6.81%
$1.11B
$1,659,385
8
3.41%
$1.81B
$57,202,373
7
10.98%
$1.92B
$100,143,022
7
-19.97%
$1.73B
$4,221,415
6
1.19%
$2.23B
$264,724
3
27.98%
$1.35B
$7,201,200
2
-31.10%
$1.24B
$17,786,400
2
8.93%
$1.22B

PDFS Institutional Investors: Active Positions

Increased Positions104+53.33%3M+9.28%
Decreased Positions86-44.1%2M-5.95%
New Positions29New2MNew
Sold Out Positions25Sold Out898,752Sold Out
Total Postitions213+9.23%31M+3.34%

PDFS Ownership Change vs Market

Institutional Investor Ownership

Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
Active Shareholders
Blackrock, Inc.$143,708.0012.16%4.86M+65,534+1.37%2025-09-30
Vanguard Group Inc$93,219.007.89%3.15M-29,081-0.91%2025-09-30
Needham Investment Management Llc$59,648.005.05%2.02M+105,050+5.49%2025-09-30
William Blair Investment Management, Llc$39,876.003.37%1.35M+162,358+13.68%2025-09-30
State Street Corp$33,863.002.87%1.15M+8,671+0.76%2025-09-30
Samjo Management, Llc$33,117.002.8%1.12M+184,925+19.76%2025-09-30
Ranger Investment Management, L.P.$31,241.002.64%1.06M+11,665+1.12%2025-09-30
Emerald Advisers, Llc$27,855.002.36%942,655-11,706-1.23%2025-09-30
Dimensional Fund Advisors Lp$23,974.002.03%811,293-35,157-4.15%2025-09-30
Snyder Capital Management L P$23,651.002%800,357-12,282-1.51%2025-09-30

Financial Ratios

Summary
Comparison with Competitors

Price to Earnings

Price/Earnings to Growth

Price to Sales

Price to Book

Price/Free Cash Flow

Analyst Recommendations

Analyst Price Targets

Prismo does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. Prismo does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.