Pdf Solutions INC Form 4 insider transactions

Shuo Zhang, a Director of Pdf Solutions Inc, sold 1,501 shares of common stock on August 12, 2026 for $51.47 per share.

PDF Solutions Chief Technology Officer Andrzej Strojwas reported transactions involving common stock and restricted stock units.

Director Shuo Zhang acquired 2,689 shares of common stock in PDF Solutions Inc. through a restricted stock unit award.

Michael B. Gustafson, a Director at PDF SOLUTIONS INC, acquired 2,689 shares of common stock through a Restricted Stock Unit award.

PDF Solutions, Inc. director Chi-Foon Chan was granted 2,689 Restricted Stock Units (RSUs) under the company's Director Compensation Program.

Director Joseph R. Bronson acquired 2,689 shares of common stock in PDF Solutions, Inc. through a restricted stock unit award.

Nancy Erba, a Director at PDF Solutions Inc., acquired 2,689 Restricted Stock Units (RSUs) under the company's Director Compensation Program.

Adnan Raza, EVP Finance and CFO of PDF Solutions Inc., reported transactions involving common stock, including share dispositions for tax withholding and restricted stock unit awards.

PDF Solutions' EVP, Finance and CFO, Adnan Raza, reported a disposition of 5,498 common shares to cover tax withholding obligations related to restricted stock unit vesting.

PDF Solutions' Chief Technology Officer, Andrzej Strojwas, disposed of 2,762 shares of common stock to cover tax withholding obligations related to vested Restricted Stock Units.

PDF Solutions Inc. EVP of Products and Solutions, Kimon Michaels, reported a charitable donation of 5,070 common shares.

PDF Solutions' EVP of Finance and CFO, Adnan Raza, was granted 35,000 restricted stock units, vesting over time, alongside an employee stock purchase.

PDF Solutions' Chief Technology Officer, Andrzej Strojwas, was granted 8,000 restricted stock units and purchased additional shares through an employee plan.

Kimon Michaels, EVP of Products and Solutions and Director at PDF Solutions Inc., reported a disposition of shares for tax withholding purposes and the forfeiture of unvested restricted stock awards by his spouse upon her resignation.

PDF Solutions' EVP of Finance and CFO, Adnan Raza, reported the disposition of 4,921 shares of common stock to satisfy tax withholding obligations related to restricted stock unit vesting.

Andrzej Strojwas, Chief Technology Officer of PDF Solutions Inc., disposed of 2,497 shares of common stock on July 1, 2025, to satisfy tax withholding obligations related to the vesting of restricted stock units.

PDF Solutions Inc. Director Joseph R. Bronson was granted 7,429 Restricted Stock Units as part of the company's Director Compensation Program, aligning his interests with shareholder value.

PDF Solutions Inc. Director Chi-Foon Chan was granted 7,429 Restricted Stock Units as part of the company's Director Compensation Program, increasing his direct beneficial ownership to 21,479 shares.

PDF Solutions Inc. Director Nancy Erba was awarded 7,429 shares of common stock as Restricted Stock Units under the company's Director Compensation Program, vesting monthly.

PDF Solutions Inc. Director Michael B. Gustafson was granted 7,429 shares of common stock in the form of Restricted Stock Units as part of the company's Director Compensation Program, effective July 1, 2025.

PDF Solutions Inc. has granted 7,429 Restricted Stock Units to Director Li Ye Jane as part of its Director Compensation Program, aligning her interests with shareholders.

PDF Solutions Inc. Director Shuo Zhang was granted 7,429 Restricted Stock Units as part of the company's Director Compensation Program, vesting monthly over a year.

Director Michael Gustafson of PDF Solutions Inc. (PDFS) purchased 7,500 shares of common stock at $19.45 per share on May 13, 2025, increasing his total holdings to 30,074 shares.

Director Michael Gustafson of PDF Solutions Inc. (PDFS) purchased 4,000 shares of common stock at an average price of $23.06 on February 24, 2025.

John Kibarian, President and CEO of PDF Solutions Inc., reports purchasing shares of common stock through a trust in two transactions on February 24 and 25, 2025.

Executive Vice President of Products and Solutions at PDF Solutions, Kimon Michaels, disposed of 870 shares to cover tax obligations related to vesting restricted stock units.

PDF Solutions CFO Adnan Raza disposed of 5,258 shares to cover tax obligations related to vesting restricted stock units.

Andrzej Strojwas, CTO of PDF Solutions, disposed of 2,833 shares to cover tax obligations related to vesting restricted stock units.

Andrzej Strojwas, CTO of PDF Solutions, sold a portion of his holdings in the company's common stock on December 17, 2024.

Andrzej Strojwas, CTO of PDF Solutions, sold 5,030 shares of common stock at an average price of $30.8536 on December 16, 2024.