PDFS

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: 0001437749-26-027449 · rdgdoc.xml · nonDerivative · entry 1

Zhang Shuo · CIK 0001782026 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,380

SEC source: 0001437749-26-022508 · rdgdoc.xml · nonDerivative · entry 2

Raza Adnan · CIK 0001803614 · EVP, Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,697

F2 · 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.

F2 · 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.

F3 · balance_after: Includes 1,124 shares of common stock that were purchased on January 31, 2026 under the PDF Employee Stock Purchase Plan.

SEC source: 0001437749-26-022508 · rdgdoc.xml · nonDerivative · entry 1

Raza Adnan · CIK 0001803614 · EVP, Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,000

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: 0001437749-26-022549 · 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: 0001437749-26-022547 · rdgdoc.xml · nonDerivative · entry 1

Zhang Shuo · CIK 0001782026 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,881

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date 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) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-26-022545 · rdgdoc.xml · nonDerivative · entry 1

GUSTAFSON MICHAEL B · CIK 0001245081 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,192

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date 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) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-26-022543 · rdgdoc.xml · nonDerivative · entry 1

CHAN CHI-FOON · CIK 0001249834 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,168

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date 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) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-26-022537 · rdgdoc.xml · nonDerivative · entry 1

BRONSON JOSEPH R · CIK 0001209040 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,956

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date 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) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-26-022535 · rdgdoc.xml · nonDerivative · entry 1

Li Ye Jane · CIK 0001667921 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,632

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date 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) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-26-022529 · rdgdoc.xml · nonDerivative · entry 1

Erba Nancy · CIK 0001684663 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,943

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date 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) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-26-000374 · rdgdoc.xml · nonDerivative · entry 1

Raza Adnan · CIK 0001803614 · EVP, Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,010

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: 0001437749-26-000381 · 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: 0001437749-25-037538 · rdgdoc.xml · nonDerivative · entry 1

MICHAELS KIMON · CIK 0001165534 · Director · EVP of Products and Solutions

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 1,542,072

F1 · shares: This represents charitable donations of 5000 and 70 shares to two different institutions.

SEC source: 0001437749-25-024679 · rdgdoc.xml · nonDerivative · entry 1

Raza Adnan · CIK 0001803614 · EVP, Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,508

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 six (6) 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 six (6) months thereafter until fully vested, subject to the Recipient's continued service through each applicable vest date.

F2 · balance_after: Includes 1 share of common stock that was purchased on July 31, 2025 under the PDF Employee Stock Purchase Plan.

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: 0001437749-25-022003 · rdgdoc.xml · nonDerivative · entry 1

BRONSON JOSEPH R · CIK 0001209040 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,267

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-25-021998 · rdgdoc.xml · nonDerivative · entry 1

CHAN CHI-FOON · CIK 0001249834 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,479

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-25-021992 · rdgdoc.xml · nonDerivative · entry 1

Erba Nancy · CIK 0001684663 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,383

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-25-021976 · rdgdoc.xml · nonDerivative · entry 1

GUSTAFSON MICHAEL B · CIK 0001245081 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,503

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-25-021972 · rdgdoc.xml · nonDerivative · entry 1

Li Ye Jane · CIK 0001667921 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,943

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-25-021964 · rdgdoc.xml · nonDerivative · entry 1

Zhang Shuo · CIK 0001782026 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,192

F1 · shares: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001437749-25-022122 · rdgdoc.xml · nonDerivative · entry 1

Raza Adnan · CIK 0001803614 · EVP, Finance and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,880

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 788 shares of common stock that were purchased on January 31, 2025 under the PDF Employee Stock Purchase Plan.

SEC source: 0001437749-25-022174 · rdgdoc.xml · nonDerivative · entry 1

MICHAELS KIMON · CIK 0001165534 · Director · EVP of Products and Solutions

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 28,298

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: Total Shares includes 4298 unvested restricted stock awards granted to Dr. Michaels's spouse during her employment with the Company, which are automatically forfeited and cancelled in connection with her resignation from the Company effective July 3, 2025.

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: 0001415889-25-012951 · form4-05142025_100519.xml · nonDerivative · entry 1

GUSTAFSON MICHAEL B · CIK 0001245081 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,074

SEC source: 0001415889-25-005622 · form4-02262025_020211.xml · nonDerivative · entry 2

KIBARIAN JOHN KACHIG · CIK 0001164239 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 2,522,756

F1 · price: Represents average execution price

F2 · ownership.nature: Shares are owned by The John Kibarian and Gloria Chen Trust for which Mr. Kibarian is a trustee

SEC source: 0001415889-25-005624 · form4-02262025_020203.xml · nonDerivative · entry 1

GUSTAFSON MICHAEL B · CIK 0001245081 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,574

F1 · price: These shares were purchased in multiple transactions at prices ranging from $22.92 to $23.10 per share, resulting in a weighted average sale price of $23.0575 per share.

SEC source: 0001415889-25-005622 · form4-02262025_020211.xml · nonDerivative · entry 1

KIBARIAN JOHN KACHIG · CIK 0001164239 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 2,507,112

F1 · price: Represents average execution price

F2 · ownership.direct: Shares are owned by The John Kibarian and Gloria Chen Trust for which Mr. Kibarian is a trustee

F2 · ownership.nature: Shares are owned by The John Kibarian and Gloria Chen Trust for which Mr. Kibarian is a trustee

SEC source: 0001415889-25-000335 · form4-01032025_060121.xml · nonDerivative · entry 1

Raza Adnan · CIK 0001803614 · EVP, FINANCE AND CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,013

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 · 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 1 share of common stock that was purchased on July 31, 2024 under the PDF Employee Stock Purchase Plan.

SEC source: 0001415889-25-000337 · form4-01032025_060114.xml · nonDerivative · entry 1

MICHAELS KIMON · CIK 0001165534 · Director · EVP OF PRODUCTS AND SOLUTIONS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 33,394

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: 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: 0001415889-24-029181 · form4-12132024_121223.xml · nonDerivative · entry 1

Erba Nancy · CIK 0001684663 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 13,739

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 $30.76 and $30.84

SEC source: 0001415889-25-003792 · form5-02122025_110227.xml · nonDerivative · entry 1

MICHAELS KIMON · CIK 0001165534 · Director · EVP OF PRODUCTS AND SOLUTIONS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 1,547,142

F1 · shares: This represents a charitable donation of 5000 shares and a gift to private individuals of 3500

SEC source: 0001415889-24-020692 · form4-08032024_120856.xml · nonDerivative · entry 1

MICHAELS KIMON · CIK 0001165534 · Director · EVP OF PRODUCTS AND SOLUTIONS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 34,264

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.

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: 0001415889-24-019079 · form4-07032024_010717.xml · nonDerivative · entry 2

Raza Adnan · CIK 0001803614 · EVP, FINANCE AND CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,270

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: 0001415889-24-019079 · form4-07032024_010717.xml · nonDerivative · entry 1

Raza Adnan · CIK 0001803614 · EVP, FINANCE AND CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,218

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: 0001415889-24-019077 · 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: 0001415889-24-019075 · form4-07032024_010757.xml · nonDerivative · entry 2

MICHAELS KIMON · CIK 0001165534 · Director · EVP OF PRODUCTS AND SOLUTIONS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 34,286

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: 0001415889-24-019075 · form4-07032024_010757.xml · nonDerivative · entry 1

MICHAELS KIMON · CIK 0001165534 · Director · EVP OF PRODUCTS AND SOLUTIONS

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 34,943

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: 0001415889-24-018716 · form4-07022024_120745.xml · nonDerivative · entry 1

Zhang Shuo · CIK 0001782026 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,763

F1 · kind: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001415889-24-018714 · form4-07022024_110759.xml · nonDerivative · entry 1

GUSTAFSON MICHAEL B · CIK 0001245081 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,574

F1 · kind: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001415889-24-018712 · form4-07022024_110727.xml · nonDerivative · entry 1

BRONSON JOSEPH R · CIK 0001209040 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,838

F1 · kind: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.

SEC source: 0001415889-24-018710 · form4-07022024_110754.xml · nonDerivative · entry 1

CHAN CHI-FOON · CIK 0001249834 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,050

F1 · kind: These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly 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) under the Company's Director Compensation Program. 1/12th of the Total RSU shall vest on the grant effective date and 1/12th of the Total RSU shall vest monthly thereafter until fully vested, subject to the Recipient's continued service through each applicable vesting date.