Companies: 10,795·Total market cap: $144.5T
PDF Solutions, Inc.

PDF Solutions, Inc.

PDFSNASDAQTechnology● Active
$55.06
+$3.61(+7.02%)
Market Cap$2.2B
P/E Ratio
52W High$56.95
52W Low$18.12
Overview

PDF Solutions, Inc. (PDFS) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · PDFS · as of Jun 8, 2026

Activity summary

Buy transactions

4

P-Purchase only

Sell transactions

0

12 Months

Buy/Sell ratio

Buy/Sell (by trades)

Overall sentiment

BULLISH
↑ Buy 100%Active transactions only · RSU vesting excluded0% Sell ↓

PDF Solutions, Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

PDFS insider buying and selling by quarter

PDFS insider selling · PDFS insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
88K44K0
2025 Q1
2025 Q2
2025 Q3
2025 Q4

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · PDFS ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

PDFS executive sell shares · PDFS board member insider trading · PDFS insider trading SEC filing

Showing 97 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Strojwas Andrzej

CTO

Other

Date

Jan 1

Shares

2,762

Price

$28.53

Value

$79K

View Form 4 on SEC.gov

Raza Adnan

EVP, Finance and CFO

Other

Date

Jan 1

Shares

5,498

Price

$28.53

Value

$157K

View Form 4 on SEC.gov

MICHAELS KIMON

EVP of Products and Solutions · Director

Gift

Date

Dec 9

Shares

5,070

Price

Value

View Form 4 on SEC.gov

Raza Adnan

EVP, Finance and CFO

Award

Date

Aug 1

Shares

35,000

Price

Value

View Form 4 on SEC.gov

Strojwas Andrzej

CTO

Award

Date

Aug 1

Shares

8,000

Price

Value

View Form 4 on SEC.gov

MICHAELS KIMON

EVP of Products and Solutions · Director

Other

Date

Jul 1

Shares

798

Price

$21.87

Value

$17K

View Form 4 on SEC.gov

Raza Adnan

EVP, Finance and CFO

Other

Date

Jul 1

Shares

4,921

Price

$21.87

Value

$108K

View Form 4 on SEC.gov

Strojwas Andrzej

CTO

Other

Date

Jul 1

Shares

2,497

Price

$21.87

Value

$55K

View Form 4 on SEC.gov

BRONSON JOSEPH R

Director

Award

Date

Jul 1

Shares

7,429

Price

Value

View Form 4 on SEC.gov

CHAN CHI-FOON

Director

Award

Date

Jul 1

Shares

7,429

Price

Value

View Form 4 on SEC.gov

Erba Nancy

Director

Award

Date

Jul 1

Shares

7,429

Price

Value

View Form 4 on SEC.gov

GUSTAFSON MICHAEL B

Director

Award

Date

Jul 1

Shares

7,429

Price

Value

View Form 4 on SEC.gov

Li Ye Jane

Director

Award

Date

Jul 1

Shares

7,429

Price

Value

View Form 4 on SEC.gov

Zhang Shuo

Director

Award

Date

Jul 1

Shares

7,429

Price

Value

View Form 4 on SEC.gov

GUSTAFSON MICHAEL B

Director

Purchase

Date

May 13

Shares

7,500

Price

$19.45

Value

$146K

View Form 4 on SEC.gov

GUSTAFSON MICHAEL B

Director

Purchase

Date

Feb 24

Shares

4,000

Price

$23.06

Value

$92K

View Form 4 on SEC.gov

KIBARIAN JOHN KACHIG

PRESIDENT AND CEO · Director

Purchase

Date

Feb 25

Shares

15,644

Price

$22.11

Value

$346K

View Form 4 on SEC.gov

KIBARIAN JOHN KACHIG

PRESIDENT AND CEO · Director

Purchase

Date

Feb 24

Shares

34,356

Price

$22.80

Value

$783K

View Form 4 on SEC.gov

MICHAELS KIMON

EVP OF PRODUCTS AND SOLUTIONS · Director

Other

Date

Jan 1

Shares

870

Price

Value

View Form 4 on SEC.gov

Raza Adnan

EVP, FINANCE AND CFO

Other

Date

Jan 1

Shares

5,258

Price

Value

View Form 4 on SEC.gov

Strojwas Andrzej

CTO

Other

Date

Jan 1

Shares

2,833

Price

Value

View Form 4 on SEC.gov

Strojwas Andrzej

CTO

Sale

Date

Dec 17

Shares

245

Price

$31.17

Value

$8K

View Form 4 on SEC.gov

Strojwas Andrzej

CTO

Sale

Date

Dec 17

Shares

6,008

Price

$30.36

Value

$182K

View Form 4 on SEC.gov

Strojwas Andrzej

CTO

Sale

Date

Dec 16

Shares

5,030

Price

$30.85

Value

$155K

View Form 4 on SEC.gov

Erba Nancy

Director

Sale

Date

Dec 11

Shares

2,000

Price

$30.81

Value

$62K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About PDFS insider trading

PDFS insider trades

PDF Solutions, Inc. (PDFS) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Strojwas Andrzej (CTO), Raza Adnan (EVP, Finance and CFO), MICHAELS KIMON (EVP of Products and Solutions · Director). Over the past 12 months, 5 insiders have filed transactions with the SEC. PDFS insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For PDF Solutions, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

PDFS insider trading · 5 questions

The insiders of PDF Solutions, Inc. (PDFS) include executives and directors such as Strojwas Andrzej (CTO), Raza Adnan (EVP, Finance and CFO), MICHAELS KIMON (EVP of Products and Solutions · Director), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

PDFS board member insider tradingwho are PDFS insidersPDFS insider rosterPDF Solutions, Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026