DORM

SEC source: 0001628280-25-048285 · wk-form4_1762204959.xml · nonDerivative · entry 1

Hession David · CIK 0001769146 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,011.6363

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.01 through $134.38. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0002068014-25-000001 · wk-form4_1757985736.xml · derivative · entry 3

Bowen Gregory C. · CIK 0002068014 · VP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,453 shares

Expires 2029-03-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The option vested in four equal annual installments beginning on March 2, 2022, which was the first anniversary of the date of grant.

SEC source: 0002068014-25-000001 · wk-form4_1757985736.xml · nonDerivative · entry 2

Bowen Gregory C. · CIK 0002068014 · VP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,658.9296

SEC source: 0002068014-25-000001 · wk-form4_1757985736.xml · nonDerivative · entry 1

Bowen Gregory C. · CIK 0002068014 · VP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,111.9296

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0002068005-25-000001 · wk-form4_1757022310.xml · nonDerivative · entry 1

Pacheco Kathleen · CIK 0002068005 · President, Specialty Vehicle

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,960

F1 · balance_after: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001931700-25-000005 · wk-form4_1755547834.xml · derivative · entry 2

Long Donna M. · CIK 0001931700 · SVP, CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 424

Underlying: Common Stock · 807 shares

Expires 2027-03-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The option, originally an option for a total of 1,615 shares, vested in four equal annual installments beginning on March 6, 2020, which was the first anniversary of the date of grant.

SEC source: 0001931700-25-000005 · wk-form4_1755547834.xml · nonDerivative · entry 1

Long Donna M. · CIK 0001931700 · SVP, CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,667.8738

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001931700-25-000003 · wk-form4_1755202031.xml · nonDerivative · entry 1

Long Donna M. · CIK 0001931700 · SVP, CIO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,860.8738

SEC source: 0001628280-25-036529 · wk-form4_1753837768.xml · nonDerivative · entry 2

Long Donna M. · CIK 0001931700 · SVP, CIO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,073.8738

F2 · shares: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $121.72 through $122.70. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-25-036529 · wk-form4_1753837768.xml · nonDerivative · entry 1

Long Donna M. · CIK 0001931700 · SVP, CIO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,891.8738

F1 · shares: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $121.58 through $121.62. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-25-029321 · wk-form4_1749067793.xml · nonDerivative · entry 1

RILEY RICHARD T · CIK 0001094172 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,001

F1 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in full on the earlier of the first anniversary of the date of grant or the date of the Company's next annual meeting of shareholders.

SEC source: 0001628280-25-029319 · wk-form4_1749067775.xml · nonDerivative · entry 1

Romano Kelly A · CIK 0001722055 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,861

F1 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in full on the earlier of the first anniversary of the date of grant or the date of the Company's next annual meeting of shareholders.

SEC source: 0001628280-25-029316 · wk-form4_1749067719.xml · nonDerivative · entry 1

Stakias G. Michael · CIK 0001652688 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,806

F1 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in full on the earlier of the first anniversary of the date of grant or the date of the Company's next annual meeting of shareholders.

SEC source: 0001628280-25-029313 · wk-form4_1749067654.xml · nonDerivative · entry 1

Bowen Gregory C. · CIK 0002068014 · VP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,658.9296

F1 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in three equal annual installments beginning on June 2, 2026, which is the first anniversary of the date of grant.

SEC source: 0001628280-25-029310 · wk-form4_1749067698.xml · nonDerivative · entry 1

Bachmann Lisa M · CIK 0001337645 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,897

F1 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in full on the earlier of the first anniversary of the date of grant or the date of the Company's next annual meeting of shareholders.

SEC source: 0001628280-25-029312 · wk-form4_1749067758.xml · nonDerivative · entry 1

GAVIN JOHN J · CIK 0001168736 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,202

F1 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in full on the earlier of the first anniversary of the date of grant or the date of the Company's next annual meeting of shareholders.

SEC source: 0001628280-25-029309 · wk-form4_1749067676.xml · nonDerivative · entry 1

Thomas James Darrell · CIK 0001818678 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,607

F1 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in full on the earlier of the first anniversary of the date of grant or the date of the Company's next annual meeting of shareholders.

SEC source: 0001628280-25-029306 · wk-form4_1749067631.xml · nonDerivative · entry 1

Pacheco Kathleen · CIK 0002068005 · President, Specialty Vehicle

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,094

F1 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in three equal annual installments beginning on June 2, 2026, which is the first anniversary of the date of grant.

SEC source: 0001628280-25-026891 · wk-form4_1747775703.xml · nonDerivative · entry 1

GAVIN JOHN J · CIK 0001168736 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,132

F1 · shares: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $131.135 through $131.300. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-25-026763 · wk-form4_1747761127.xml · nonDerivative · entry 1

Bachmann Lisa M · CIK 0001337645 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,827

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-026762 · wk-form4_1747761120.xml · nonDerivative · entry 1

Romano Kelly A · CIK 0001722055 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,791

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-026761 · wk-form4_1747761113.xml · nonDerivative · entry 1

Thomas James Darrell · CIK 0001818678 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,537

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-026760 · wk-form4_1747761102.xml · nonDerivative · entry 1

RILEY RICHARD T · CIK 0001094172 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,931

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-011390 · wk-form4_1741386733.xml · nonDerivative · entry 4

Long Donna M. · CIK 0001931700 · SVP, CIO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,893.8738

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.55 to $133.07, inclusive.

SEC source: 0001628280-25-011390 · wk-form4_1741386733.xml · nonDerivative · entry 3

Long Donna M. · CIK 0001931700 · SVP, CIO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,977.8738

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $131.53 to $132.04, inclusive.

SEC source: 0001628280-25-011390 · wk-form4_1741386733.xml · nonDerivative · entry 2

Long Donna M. · CIK 0001931700 · SVP, CIO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,174.8738

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.52 to $129.94, inclusive.

SEC source: 0001628280-25-011390 · wk-form4_1741386733.xml · nonDerivative · entry 1

Long Donna M. · CIK 0001931700 · SVP, CIO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,314.8738

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.51 to $129.28, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) through (4) of this Form 4.

SEC source: 0001628280-25-010630 · wk-form4_1741214217.xml · nonDerivative · entry 1

Leff Scott · CIK 0001930959 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,945.2428

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-010629 · wk-form4_1741214179.xml · nonDerivative · entry 1

Hession David · CIK 0001769146 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,131.6363

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-010626 · wk-form4_1741214146.xml · nonDerivative · entry 1

Long Donna M. · CIK 0001931700 · SVP, CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,635.8738

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-010620 · wk-form4_1741214095.xml · nonDerivative · entry 1

Braun Joseph P. · CIK 0001775023 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,140.5828

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-010615 · wk-form4_1741214061.xml · nonDerivative · entry 1

Borradaile Brian · CIK 0001987250 · SVP, Strategy & Corp Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,061

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-010614 · wk-form4_1741214004.xml · nonDerivative · entry 1

DARBY JEFFERY · CIK 0001544758 · SVP, Sales and Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,979

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-010611 · wk-form4_1741213965.xml · nonDerivative · entry 1

Olsen Kevin M. · CIK 0001675629 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,446.567

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-010600 · wk-form4_1741213899.xml · nonDerivative · entry 1

McKnight John · CIK 0001932069 · President, Heavy Duty

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,378.1061

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-010597 · wk-form4_1741213807.xml · nonDerivative · entry 1

Hunt Lindsay · CIK 0001987360 · Pres & CEO, Specialty Vehicle

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,871.45

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-010593 · wk-form4_1741213769.xml · nonDerivative · entry 1

Luftig Eric · CIK 0001930948 · Senior Vice President, Product

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,956.8719

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-010071 · wk-form4_1741129912.xml · nonDerivative · entry 2

Borradaile Brian · CIK 0001987250 · SVP, Strategy & Corp Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,454

F2 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in three equal annual installments beginning on March 3, 2026, which is the first anniversary of the date of grant.

SEC source: 0001628280-25-010065 · wk-form4_1741129852.xml · nonDerivative · entry 2

Braun Joseph P. · CIK 0001775023 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,678.5828

F2 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in three equal annual installments beginning on March 3, 2026, which is the first anniversary of the date of grant.

SEC source: 0001628280-25-010060 · wk-form4_1741129785.xml · nonDerivative · entry 2

DARBY JEFFERY · CIK 0001544758 · SVP, Sales and Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,423

F2 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest on March 3, 2027, which is the second anniversary of the date of grant.

SEC source: 0001628280-25-010058 · wk-form4_1741129747.xml · nonDerivative · entry 2

Hession David · CIK 0001769146 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,623.6363

F2 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in three equal annual installments beginning on March 3, 2026, which is the first anniversary of the date of grant.

SEC source: 0001628280-25-010052 · wk-form4_1741129687.xml · nonDerivative · entry 2

Leff Scott · CIK 0001930959 · SVP, CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,484.2428

F2 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in three equal annual installments beginning on March 3, 2026, which is the first anniversary of the date of grant.

SEC source: 0001628280-25-010048 · wk-form4_1741129636.xml · nonDerivative · entry 2

Long Donna M. · CIK 0001931700 · SVP, CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,166.8738

F2 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in three equal annual installments beginning on March 3, 2026, which is the first anniversary of the date of grant.

SEC source: 0001628280-25-010044 · wk-form4_1741129591.xml · nonDerivative · entry 2

Luftig Eric · CIK 0001930948 · Senior Vice President, Product

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,262.8719

F2 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in three equal annual installments beginning on March 3, 2026, which is the first anniversary of the date of grant.

SEC source: 0001628280-25-010042 · wk-form4_1741129556.xml · nonDerivative · entry 2

McKnight John · CIK 0001932069 · President, Heavy Duty

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,833.1061

F2 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in three equal annual installments beginning on March 3, 2026, which is the first anniversary of the date of grant.

SEC source: 0001628280-25-010040 · wk-form4_1741129493.xml · nonDerivative · entry 2

Olsen Kevin M. · CIK 0001675629 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,170.567

F2 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in three equal annual installments beginning on March 3, 2026, which is the first anniversary of the date of grant.

SEC source: 0001628280-25-010029 · wk-form4_1741129090.xml · nonDerivative · entry 1

Uner Tayfun · CIK 0002051402 · President, Light Duty

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,370

F1 · shares: Grant of restricted stock units representing a contingent right to receive shares of Dorman common stock. The restricted stock units will vest in three equal annual installments beginning on March 3, 2026, which is the first anniversary of the date of grant.

SEC source: 0001628280-25-010071 · wk-form4_1741129912.xml · nonDerivative · entry 1

Borradaile Brian · CIK 0001987250 · SVP, Strategy & Corp Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,311

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-010065 · wk-form4_1741129852.xml · nonDerivative · entry 1

Braun Joseph P. · CIK 0001775023 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,582.5828

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001628280-25-010060 · wk-form4_1741129785.xml · nonDerivative · entry 1

DARBY JEFFERY · CIK 0001544758 · SVP, Sales and Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,756

F1 · shares: These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.