Strojwas Andrzej

SEC source: 0001437749-26-029384 · rdgdoc.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,965

F1 · price: Average weighted sale price for shares disposed of in the reported transaction. The shares were sold in multiple brokers' transactions at various market prices per share ranging from $44.37 to $44.43.

F2 · balance_after: Includes 156 shares of common stock that were purchased on July 31, 2026 under the PDF Employee Stock Purchase Plan.

SEC source: 0001437749-26-022549 · rdgdoc.xml · nonDerivative · entry 2

Strojwas Andrzej · CIK 0001892306 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,203

F3 · shares: These shares represent an award of restricted stock units (Total RSU). 12.5% of the Total RSUs shall vest on the date that is six (6) months after the Vesting Start Date and 12.5% of the Total RSUs shall vest on each date that is six (6) months thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

F3 · price: These shares represent an award of restricted stock units (Total RSU). 12.5% of the Total RSUs shall vest on the date that is six (6) months after the Vesting Start Date and 12.5% of the Total RSUs shall vest on each date that is six (6) months thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-26-022549 · rdgdoc.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,843

F1 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of Restricted Stock Units. This is not a sale of shares in the market.

F1 · price: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of Restricted Stock Units. This is not a sale of shares in the market.

F2 · balance_after: Includes 995 shares of common stock that were purchased on January 31, 2026 under the PDF Employee Stock Purchase Plan.

SEC source: 0001437749-26-000381 · rdgdoc.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,204

F1 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of Restricted Stock Units. This is not a sale of shares in the market.

F1 · price: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of Restricted Stock Units. This is not a sale of shares in the market.

SEC source: 0001437749-25-024672 · rdgdoc.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,966

F1 · shares: These shares represent an award of restricted stock units (Total RSUs). 12.5% of the Total RSUs will vest on January 1, 2026 and 12.5% of the Total RSU will vest each date that is 6 (six) months thereafter until fully vested, subject to the Recipient's continued service through each applicable vest date.

F1 · price: These shares represent an award of restricted stock units (Total RSUs). 12.5% of the Total RSUs will vest on January 1, 2026 and 12.5% of the Total RSU will vest each date that is 6 (six) months thereafter until fully vested, subject to the Recipient's continued service through each applicable vest date.

F2 · balance_after: Includes 353 shares of common stock that were purchased on July 31, 2025 under the PDF Employee Stock Purchase Plan

SEC source: 0001437749-25-022120 · rdgdoc.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,613

F1 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F1 · price: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F2 · balance_after: Includes 479 shares of common stock that were purchased on January 31, 2025 under the PDF Employee Stock Purchase Plan.

SEC source: 0001415889-25-000332 · form4-01032025_060142.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,631

F1 · price: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

SEC source: 0001415889-24-029814 · form4-12192024_061225.xml · nonDerivative · entry 2

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,464

F1 · price: Average weighted price for shares disposed in the reported transaction. The shares were sold in multiple brokers' transaction at various market prices per share ranging between $30.28 and $30.47

SEC source: 0001415889-24-029814 · form4-12192024_061225.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,472

SEC source: 0001415889-24-029592 · form4-12172024_091240.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,717

F1 · price: Average weighted price for shares disposed in the reported transaction. The shares were sold in multiple brokers' transaction at various market prices per share ranging between $30.85 and $30.89

SEC source: 0001415889-24-020691 · form4-08032024_120821.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,747

F1 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F2 · balance_after: Includes 504 shares of common stock that were purchased on July 31, 2024 under the PDF Employee Stock Purchase Plan.

SEC source: 0001415889-24-019077 · form4-07032024_010723.xml · nonDerivative · entry 2

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,600

F2 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F2 · acquired: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

SEC source: 0001415889-24-019077 · form4-07032024_010723.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,280

F1 · kind: These shares represent an award of restricted stock units (Total Shares). 12.5% of the Total Shares shall vest on the date that is six (6) month after the Vesting Start Date and 12.5% of the Total Shares shall vest on each date that is six (6) months thereafter until fully vested, subject to the recipient's continued service through each applicable vesting date.

F1 · shares: These shares represent an award of restricted stock units (Total Shares). 12.5% of the Total Shares shall vest on the date that is six (6) month after the Vesting Start Date and 12.5% of the Total Shares shall vest on each date that is six (6) months thereafter until fully vested, subject to the recipient's continued service through each applicable vesting date.

F1 · price: These shares represent an award of restricted stock units (Total Shares). 12.5% of the Total Shares shall vest on the date that is six (6) month after the Vesting Start Date and 12.5% of the Total Shares shall vest on each date that is six (6) months thereafter until fully vested, subject to the recipient's continued service through each applicable vesting date.

SEC source: 0001415889-24-002403 · form4-02032024_010255.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,280

F1 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F2 · balance_after: Includes 257 shares of common stock that were purchased on January 31, 2024 under the PDF Employee Stock Purchase Plan.

SEC source: 0001415889-24-000215 · form4-01032024_060149.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,380

F1 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

SEC source: 0001415889-23-011799 · form4-08032023_070856.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,789

F1 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F1 · acquired: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F2 · balance_after: Includes 1,147 shares of common stock that were purchased on July 31, 2023 under the PDF Employee Stock Purchase Plan.

SEC source: 0001415889-23-010708 · form4-07052023_070738.xml · nonDerivative · entry 2

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,999

F2 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F2 · acquired: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

SEC source: 0001415889-23-010708 · form4-07052023_070738.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,139

F1 · kind: These shares represent an award of Restricted Stock Units (Total RSU). 12.5% of the Total RSU shall vest on the date that is six (6) month after July 1, 2023 (Vesting Start Date) and 12.5% of the Total RSU shall vest on each date that is six (6) months thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU). 12.5% of the Total RSU shall vest on the date that is six (6) month after July 1, 2023 (Vesting Start Date) and 12.5% of the Total RSU shall vest on each date that is six (6) months thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

F1 · price: These shares represent an award of Restricted Stock Units (Total RSU). 12.5% of the Total RSU shall vest on the date that is six (6) month after July 1, 2023 (Vesting Start Date) and 12.5% of the Total RSU shall vest on each date that is six (6) months thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001415889-23-008980 · form4-05312023_100514.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,139

F1 · shares: This transaction represents a charitable donation. No value was received for the gifted shares.

F1 · price: This transaction represents a charitable donation. No value was received for the gifted shares.

SEC source: 0001415889-23-004549 · form4-03092023_120313.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,139

SEC source: 0001415889-23-001910 · form4-02032023_080224.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,659

F1 · kind: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F1 · acquired: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F2 · balance_after: Includes 456 shares of common stock that were purchased on January 31, 2023 under the PDF Employee Stock Purchase Plan.

SEC source: 0001415889-23-000158 · form4-01042023_010141.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,960

F1 · kind: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F1 · acquired: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

SEC source: 0001415889-22-011940 · form4-12022022_061259.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,384

F1 · price: Average weighted price for shares disposed in the reported transaction. The shares were sold in multiple brokers' transaction at various market prices per share ranging between $30.99 and $31.06.

SEC source: 0001415889-23-001742 · form5-02012023_100245.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,560

F1 · kind: This represents a charitable donation

F1 · price: This represents a charitable donation

SEC source: 0001415889-22-011003 · form4-11022022_011116.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,310

F1 · kind: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F1 · acquired: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

SEC source: 0001415889-22-008167 · form4-08032022_110827.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,809

F1 · kind: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F1 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F2 · balance_after: Includes 1121 shares of common stock that were purchased on July 31, 2022 under the PDF Employee Stock Purchase Plan.

SEC source: 0001415889-22-007431 · form4-07052022_050712.xml · nonDerivative · entry 2

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,032

F2 · kind: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F2 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

SEC source: 0001415889-22-007431 · form4-07052022_050712.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,751

F1 · kind: These shares represent an award of restricted stock units (Total Shares). 12.5% of the Total Shares shall vest on the date that is six (6) month after the Vesting Start Date and 12.5% of the Total Shares shall vest on each date that is six (6) months thereafter until fully vested, subject to the recipient's continued service through each applicable vesting date.

F1 · shares: These shares represent an award of restricted stock units (Total Shares). 12.5% of the Total Shares shall vest on the date that is six (6) month after the Vesting Start Date and 12.5% of the Total Shares shall vest on each date that is six (6) months thereafter until fully vested, subject to the recipient's continued service through each applicable vesting date.

F1 · price: These shares represent an award of restricted stock units (Total Shares). 12.5% of the Total Shares shall vest on the date that is six (6) month after the Vesting Start Date and 12.5% of the Total Shares shall vest on each date that is six (6) months thereafter until fully vested, subject to the recipient's continued service through each applicable vesting date.

SEC source: 0001415889-22-004568 · form4-05042022_110543.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,751

F1 · kind: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F1 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

SEC source: 0001415889-22-001027 · form4-02032022_120217.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,232

F1 · kind: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F1 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F2 · balance_after: Includes 1,136 shares of common stock that were purchased on January 31, 2022 under the PDF Employee Stock Purchase Plan.

SEC source: 0001415889-22-000282 · form4-01042022_060146.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,506

F1 · kind: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

F1 · shares: This represents a disposition of shares to the Company to satisfy tax withholding obligations with respect to the vesting of restricted stock units. This is not a sale of shares in the market.

SEC source: 0001415889-21-005843 · form4-12132021_011236.xml · nonDerivative · entry 1

Strojwas Andrzej · CIK 0001892306 · CTO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,326

F1 · kind: These shares represent an award of restricted stock units.

F1 · shares: These shares represent an award of restricted stock units.

F2 · price: These shares represent an award of Restricted Stock Units (Total RSU). 12.5% of the Total RSU shall vest on the date that is six (6) month after January 1, 2022 (Vesting Start Date) and 12.5% of the Total RSU shall vest on each date that is six (6) months thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

F1 · acquired: These shares represent an award of restricted stock units.