WDFC

SEC source: 0000105132-24-000110 · form4.xml · nonDerivative · entry 2

Etchart Eric · CIK 0001398352 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,882

F2 · shares: Represents an elective RSU award covering shares of Issuer's common stock granted in accordance the 2024 Directors' Compensation Policy. This RSU award, which was granted effective December 12, 2024 ("Grant Date") and was in lieu of receiving cash for annual base compensation for directors, had an aggregate fair market value of approximately $75,000 on the Grant Date. Unless as otherwise provided in the 2024 Directors' Compensation Policy, and subject to continuous service as a director, the RSU award vests 1/12th per month over one year commencing on the first day of the calendar month after the Grant Date.

F2 · price: Represents an elective RSU award covering shares of Issuer's common stock granted in accordance the 2024 Directors' Compensation Policy. This RSU award, which was granted effective December 12, 2024 ("Grant Date") and was in lieu of receiving cash for annual base compensation for directors, had an aggregate fair market value of approximately $75,000 on the Grant Date. Unless as otherwise provided in the 2024 Directors' Compensation Policy, and subject to continuous service as a director, the RSU award vests 1/12th per month over one year commencing on the first day of the calendar month after the Grant Date.

F3 · balance_after: Represents: (i) 1,500 shares acquired via stock purchases by Reporting Owner, (ii) 6,101 vested RSUs treated as common stock equivalents, and (iii) 281 unvested RSUs. Following termination of Reporting Person's service as a director, vested RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-24-000110 · form4.xml · nonDerivative · entry 1

Etchart Eric · CIK 0001398352 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,601

F1 · shares: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024 ("2024 Directors' Compensation Policy"). This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F1 · price: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024 ("2024 Directors' Compensation Policy"). This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

SEC source: 0000105132-24-000111 · form4.xml · nonDerivative · entry 1

PENDARVIS DAVID · CIK 0001196723 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,346

F1 · shares: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024. This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F1 · price: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024. This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F2 · balance_after: Represents: (i) 328 shares acquired via stock purchases by Reporting Owner, and (ii) 5,018 vested RSUs treated as common stock equivalents. Following termination of Reporting Person's service as a director, vested RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-24-000109 · form4.xml · nonDerivative · entry 2

Magee Edward O Jr · CIK 0001935690 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,009

F2 · shares: Represents an elective RSU award covering shares of Issuer's common stock granted in accordance with the 2024 Directors' Compensation Policy. This RSU award, which was granted effective December 12, 2024 ("Grant Date") and was in lieu of receiving cash for 1/3 of annual base compensation for directors, had an aggregate fair market value of approximately $25,000 on the Grant Date. Unless as otherwise provided in the 2024 Directors' Compensation Policy, and subject to continuous service as a director, the RSU award vests 1/12th per month over one year commencing on the first day of the calendar month after the Grant Date.

F2 · price: Represents an elective RSU award covering shares of Issuer's common stock granted in accordance with the 2024 Directors' Compensation Policy. This RSU award, which was granted effective December 12, 2024 ("Grant Date") and was in lieu of receiving cash for 1/3 of annual base compensation for directors, had an aggregate fair market value of approximately $25,000 on the Grant Date. Unless as otherwise provided in the 2024 Directors' Compensation Policy, and subject to continuous service as a director, the RSU award vests 1/12th per month over one year commencing on the first day of the calendar month after the Grant Date.

F3 · balance_after: Represents: (i) 56 shares acquired before Reporting Owner's appointment to Issuer's Board of Directors, (ii) 1,860 vested RSUs treated as common stock equivalents, and (iii) 93 unvested RSUs. Following termination of Reporting Person's service as a director, vested RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-24-000109 · form4.xml · nonDerivative · entry 1

Magee Edward O Jr · CIK 0001935690 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,916

F1 · shares: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024 ("2024 Directors' Compensation Policy"). This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F1 · price: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024 ("2024 Directors' Compensation Policy"). This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

SEC source: 0000105132-24-000108 · form4.xml · nonDerivative · entry 1

Monteagudo Graciela · CIK 0001647443 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,268

F2 · security: These RSUs are fully vested and are treated as common stock equivalents. Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.

F1 · shares: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024. This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F1 · price: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024. This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F2 · balance_after: These RSUs are fully vested and are treated as common stock equivalents. Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-24-000106 · form4.xml · nonDerivative · entry 1

Lee Lara L · CIK 0001830288 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,898

F2 · security: Represents fully vested RSUs treated as common stock equivalents. Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.

F1 · shares: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024. This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F1 · price: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024. This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F2 · balance_after: Represents fully vested RSUs treated as common stock equivalents. Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-24-000105 · form4.xml · nonDerivative · entry 1

Burks Cynthia · CIK 0001941449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,298

F2 · security: Represents fully vested RSUs treated as common stock equivalents. Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.

F1 · shares: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024. This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F1 · price: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024. This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F2 · balance_after: Represents fully vested RSUs treated as common stock equivalents. Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-24-000104 · form4.xml · nonDerivative · entry 1

CARTER DANIEL T · CIK 0001117949 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,212

F2 · date: Represents fully vested RSUs treated as common stock equivalents. Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.

F1 · shares: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024. This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F1 · price: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024. This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F2 · balance_after: Represents fully vested RSUs treated as common stock equivalents. Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-24-000103 · form4.xml · nonDerivative · entry 2

MIHALIK TREVOR I · CIK 0001554221 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,184

F2 · shares: Represents an elective RSU award covering shares of Issuer's common stock granted in accordance with the 2024 Directors' Compensation Policy. This RSU award, which was granted effective December 12, 2024 ("Grant Date") and was in lieu of receiving cash for annual base compensation for directors, had an aggregate fair market value of approximately $75,000 on the Grant Date. Unless as otherwise provided in the 2024 Directors' Compensation Policy, and subject to continuous service as a director, the RSU award vests 1/12th per month over one year commencing on the first day of the calendar month after the Grant Date.

F2 · price: Represents an elective RSU award covering shares of Issuer's common stock granted in accordance with the 2024 Directors' Compensation Policy. This RSU award, which was granted effective December 12, 2024 ("Grant Date") and was in lieu of receiving cash for annual base compensation for directors, had an aggregate fair market value of approximately $75,000 on the Grant Date. Unless as otherwise provided in the 2024 Directors' Compensation Policy, and subject to continuous service as a director, the RSU award vests 1/12th per month over one year commencing on the first day of the calendar month after the Grant Date.

F3 · balance_after: Represents: (i) 302 shares acquired via stock purchases by Reporting Owner, (ii) 3,601 vested RSUs treated as common stock equivalents, and (iii) 281 unvested RSUs. Following termination of Reporting Person's service as a director, vested RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-24-000103 · form4.xml · nonDerivative · entry 1

MIHALIK TREVOR I · CIK 0001554221 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,903

F1 · security: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024 ("2024 Directors' Compensation Policy"). This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F1 · shares: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024 ("2024 Directors' Compensation Policy"). This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F1 · price: Represents a restricted stock unit ("RSU") award covering shares of Issuer's common stock granted in accordance with Issuer's Directors' Compensation Policy and Election Plan adopted on October 3, 2024 ("2024 Directors' Compensation Policy"). This RSU award, which was granted effective December 12, 2024 and had an aggregate fair market value of approximately $110,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

SEC source: 0000105132-24-000090 · form4.xml · nonDerivative · entry 1

NOBLE WILLIAM B · CIK 0001253564 · Group Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,999

F1 · price: Represents average sales price per share; sales prices ranged from $289.17 to $289.85.

F2 · balance_after: Total includes: (i) 1,025 unvested restricted stock units, (ii) 522 shares of restricted Common Stock received upon settlement of performance stock units, and (iii) 280 vested deferred performance units, which are Common Stock equivalents.

SEC source: 0000105132-24-000069 · form4.xml · nonDerivative · entry 3

Brass Steven A · CIK 0001691913 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,050

F3 · shares: Shares withheld pursuant to mandatory provisions of Performance Stock Unit (PSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 498 PSUs.

F3 · price: Shares withheld pursuant to mandatory provisions of Performance Stock Unit (PSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 498 PSUs.

F4 · balance_after: Total includes: (i) 10,091 unvested RSUs, (ii) 1,218 shares of restricted Common Stock received upon settlement of PSUs, (iii) 108 vested deferred performance units or DPUs, which are Common Stock equivalents, and (iv) 2,224 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

SEC source: 0000105132-24-000069 · form4.xml · nonDerivative · entry 2

Brass Steven A · CIK 0001691913 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,303

F2 · shares: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 2,086 MSUs.

F2 · price: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 2,086 MSUs.

SEC source: 0000105132-24-000069 · form4.xml · nonDerivative · entry 1

Brass Steven A · CIK 0001691913 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,361

F1 · shares: Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 3,296 RSUs.

F1 · price: Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 3,296 RSUs.

SEC source: 0000105132-24-000080 · form4.xml · nonDerivative · entry 3

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,319

F5 · shares: Shares withheld pursuant to mandatory provisions of Performance Stock Unit (PSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 164 PSUs.

F5 · price: Shares withheld pursuant to mandatory provisions of Performance Stock Unit (PSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 164 PSUs.

F6 · balance_after: Total composed of: (i) 586 shares of Common Stock received upon settlement of MSUs, (ii) 644 shares of restricted Common Stock received upon settlement of PSUs, and (ii) 89 vested deferred performance units or DPUs, which are Common Stock equivalents.

SEC source: 0000105132-24-000080 · form4.xml · nonDerivative · entry 2

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,378

F4 · shares: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 912 MSUs.

F4 · price: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 912 MSUs.

SEC source: 0000105132-24-000080 · form4.xml · nonDerivative · entry 1

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 5,274

F1 · shares: Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 929 RSUs.

F1 · price: Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 929 RSUs.

F2 · balance_after: Total includes 1,764 unvested RSUs.

F3 · ownership.nature: Under the 2007 Olsem Family Trust, Reporting Person shares voting power and investment discretion with her spouse.

SEC source: 0000105132-24-000077 · form4.xml · nonDerivative · entry 3

HYZER SARA KATHLEEN · CIK 0001951273 · VP, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,814

F3 · shares: Shares withheld pursuant to mandatory provisions of Performance Stock Unit (PSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 144 PSUs.

F3 · price: Shares withheld pursuant to mandatory provisions of Performance Stock Unit (PSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 144 PSUs.

F4 · balance_after: Total includes: (i) 2,202 unvested RSUs, (ii) 71 shares of restricted Common Stock received upon settlement of PSUs, and (iii) 355 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

SEC source: 0000105132-24-000077 · form4.xml · nonDerivative · entry 2

HYZER SARA KATHLEEN · CIK 0001951273 · VP, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,887

F2 · shares: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 677 MSUs.

F2 · price: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 677 MSUs.

SEC source: 0000105132-24-000077 · form4.xml · nonDerivative · entry 1

HYZER SARA KATHLEEN · CIK 0001951273 · VP, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,231

F1 · shares: Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 843 RSUs.

F1 · price: Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 843 RSUs.

SEC source: 0000105132-24-000075 · form4.xml · nonDerivative · entry 4

NOBLE WILLIAM B · CIK 0001253564 · Group Managing Director, EIMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,999

F4 · balance_after: Total includes: (i) 1,025 unvested RSUs, (ii) 522 shares of restricted Common Stock received upon settlement of PSUs, and (iii) 280 vested deferred performance units or DPUs, which are Common Stock equivalents.

SEC source: 0000105132-24-000075 · form4.xml · nonDerivative · entry 3

NOBLE WILLIAM B · CIK 0001253564 · Group Managing Director, EIMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,799

F3 · shares: Shares withheld pursuant to mandatory provisions of Performance Stock Unit (PSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 151 PSUs.

F3 · price: Shares withheld pursuant to mandatory provisions of Performance Stock Unit (PSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 151 PSUs.

SEC source: 0000105132-24-000075 · form4.xml · nonDerivative · entry 2

NOBLE WILLIAM B · CIK 0001253564 · Group Managing Director, EIMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,870

F2 · shares: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 434 MSUs.

F2 · price: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 434 MSUs.

SEC source: 0000105132-24-000075 · form4.xml · nonDerivative · entry 1

NOBLE WILLIAM B · CIK 0001253564 · Group Managing Director, EIMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,074

F1 · shares: Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 519 RSUs.

F1 · price: Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 519 RSUs.

SEC source: 0000105132-24-000073 · form4.xml · nonDerivative · entry 3

KIAMILEV PHENIX Q. · CIK 0001896675 · VP, General Counsel & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 3,013

F3 · shares: Shares withheld pursuant to mandatory provisions of Performance Stock Unit (PSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 106 PSUs.

F3 · price: Shares withheld pursuant to mandatory provisions of Performance Stock Unit (PSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 106 PSUs.

F4 · balance_after: Total includes: (i) 1,422 unvested RSUs, (ii) 68 shares of restricted Common Stock received upon settlement of PSUs, and (iii) 209 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

F5 · ownership.nature: Beneficial ownership had previously been reported as Direct and is now being reported as Indirect. Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.

SEC source: 0000105132-24-000073 · form4.xml · nonDerivative · entry 2

KIAMILEV PHENIX Q. · CIK 0001896675 · VP, General Counsel & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 3,051

F2 · shares: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 665 MSUs.

F2 · price: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 665 MSUs.

SEC source: 0000105132-24-000073 · form4.xml · nonDerivative · entry 1

KIAMILEV PHENIX Q. · CIK 0001896675 · VP, General Counsel & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 3,289

F1 · shares: Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 712 RSUs.

F1 · price: Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 712 RSUs.

SEC source: 0000105132-24-000071 · form4.xml · nonDerivative · entry 3

LINDEMAN JEFFREY G · CIK 0001836841 · VP, Chief People, Cult. & Cap.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,779

F3 · shares: Shares withheld pursuant to mandatory provisions of Performance Stock Unit (PSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 125 PSUs.

F3 · price: Shares withheld pursuant to mandatory provisions of Performance Stock Unit (PSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 125 PSUs.

F4 · balance_after: Total includes: (i) 1,391 unvested RSUs, (ii) 253 shares of restricted Common Stock received upon settlement of PSUs, and (iii) 687 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

SEC source: 0000105132-24-000071 · form4.xml · nonDerivative · entry 2

LINDEMAN JEFFREY G · CIK 0001836841 · VP, Chief People, Cult. & Cap.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,824

F2 · shares: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 390 MSUs.

F2 · price: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 390 MSUs.

SEC source: 0000105132-24-000071 · form4.xml · nonDerivative · entry 1

LINDEMAN JEFFREY G · CIK 0001836841 · VP, Chief People, Cult. & Cap.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,964

F1 · shares: Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 615 RSUs.

F1 · price: Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 615 RSUs.

SEC source: 0000105132-24-000058 · form4.xml · nonDerivative · entry 3

LINDEMAN JEFFREY G · CIK 0001836841 · VP, Chief People, Cult. & Cap.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,186

F3 · shares: Represents the vesting of performance stock units (PSUs) upon certification of fiscal year 2024 performance achieved. The PSUs were granted on October 5, 2023 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's restricted Common Stock on the date provided for in the PSU award agreement. Reporting Person may not sell such restricted stock before termination of employment.

F3 · price: Represents the vesting of performance stock units (PSUs) upon certification of fiscal year 2024 performance achieved. The PSUs were granted on October 5, 2023 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's restricted Common Stock on the date provided for in the PSU award agreement. Reporting Person may not sell such restricted stock before termination of employment.

F4 · balance_after: Total includes: (i) 2,007 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 390 shares of Common Stock to be received upon settlement of MSUs, (iii) 125 shares of restricted Common Stock to be received upon settlement of PSUs, and (iv) 687 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account reflects a net reduction of 38 shares from the previously reported balance (725 shares) for the following stock activity: (a) on May 1, 2023 and May 28, 2024, the 401(k) plan administrator unilaterally liquidated WDFC shares with a total value of approximately $10,000 to return excess 401(k) contributions for tax years 2022 and 2023 to Reporting Person, and (b) from July 2023 through July 2024, Reporting Person received quarterly stock dividends.

SEC source: 0000105132-24-000058 · form4.xml · nonDerivative · entry 2

LINDEMAN JEFFREY G · CIK 0001836841 · VP, Chief People, Cult. & Cap.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,100

F2 · shares: Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 12, 2021 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement.

F2 · price: Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 12, 2021 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement.

SEC source: 0000105132-24-000058 · form4.xml · nonDerivative · entry 1

LINDEMAN JEFFREY G · CIK 0001836841 · VP, Chief People, Cult. & Cap.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,710

F1 · shares: Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

F1 · price: Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

SEC source: 0000105132-24-000057 · form4.xml · nonDerivative · entry 3

Brass Steven A · CIK 0001691913 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,033

F3 · shares: Represents the vesting of performance stock units (PSUs) upon certification of fiscal year 2024 performance achieved. The PSUs were granted on October 5, 2023 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's restricted Common Stock on the date provided for in the PSU award agreement. Reporting Person may not sell such restricted stock before termination of employment.

F3 · price: Represents the vesting of performance stock units (PSUs) upon certification of fiscal year 2024 performance achieved. The PSUs were granted on October 5, 2023 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's restricted Common Stock on the date provided for in the PSU award agreement. Reporting Person may not sell such restricted stock before termination of employment.

F4 · balance_after: Total includes: (i) 13,387 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 2,086 shares of Common Stock to be received upon settlement of MSUs, (iii) 498 shares of restricted Common Stock to be received upon settlement of PSUs, (iv) 108 vested deferred performance units or DPUs, which are Common Stock equivalents, and (v) 2,224 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account reflects a net addition of 16 shares from the previously reported balance (2.208 shares) for the following stock activity: (a) on May 1, 2023 and May 28, 2024, the 401(k) plan administrator unilaterally liquidated WDFC shares with a total value of approximately $6,000 to return excess 401(k) contributions for tax years 2022 and 2023 to Reporting Person, and (b) from July 2023 through July 2024, Reporting Person received quarterly stock dividends.

SEC source: 0000105132-24-000057 · form4.xml · nonDerivative · entry 2

Brass Steven A · CIK 0001691913 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,520

F2 · shares: Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 12, 2021 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement.

F2 · price: Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 12, 2021 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement.

SEC source: 0000105132-24-000057 · form4.xml · nonDerivative · entry 1

Brass Steven A · CIK 0001691913 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,434

F1 · shares: Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

F1 · price: Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

SEC source: 0000105132-24-000056 · form4.xml · nonDerivative · entry 3

KIAMILEV PHENIX Q. · CIK 0001896675 · VP, General Counsel & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,544

F3 · shares: Represents the vesting of performance stock units (PSUs) upon certification of fiscal year 2024 performance achieved. The PSUs were granted on October 5, 2023 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's restricted Common Stock on the date provided for in the PSU award agreement. Reporting Person may not sell such restricted stock before termination of employment.

F3 · price: Represents the vesting of performance stock units (PSUs) upon certification of fiscal year 2024 performance achieved. The PSUs were granted on October 5, 2023 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's restricted Common Stock on the date provided for in the PSU award agreement. Reporting Person may not sell such restricted stock before termination of employment.

F4 · balance_after: Total includes: (i) 2,144 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 665 shares of Common Stock to be received upon settlement of MSUs, (iii) 106 shares of restricted Common Stock to be received upon settlement of PSUs, and (iv) 209 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account reflects a net reduction of 15 shares from the previously reported balance (224 shares) for the following stock activity: (a) on May 1, 2023 and May 28, 2024, the 401(k) plan administrator unilaterally liquidated WDFC shares with a total value of approximately $4,000 to return excess 401(k) contributions for tax years 2022 and 2023 to Reporting Person, and (b) from July 2023 through July 2024, Reporting Person received quarterly stock dividends.

SEC source: 0000105132-24-000056 · form4.xml · nonDerivative · entry 2

KIAMILEV PHENIX Q. · CIK 0001896675 · VP, General Counsel & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,453

F2 · shares: Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 12, 2021 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement.

F2 · price: Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 12, 2021 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement.

SEC source: 0000105132-24-000056 · form4.xml · nonDerivative · entry 1

KIAMILEV PHENIX Q. · CIK 0001896675 · VP, General Counsel & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,788

F1 · shares: Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

F1 · price: Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

SEC source: 0000105132-24-000055 · form4.xml · nonDerivative · entry 3

HYZER SARA KATHLEEN · CIK 0001951273 · VP, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,660

F3 · shares: Represents the vesting of performance stock units (PSUs) upon certification of fiscal year 2024 performance achieved. The PSUs were granted on October 5, 2023 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's restricted Common Stock on the date provided for in the PSU award agreement. Reporting Person may not sell such restricted stock before termination of employment.

F3 · price: Represents the vesting of performance stock units (PSUs) upon certification of fiscal year 2024 performance achieved. The PSUs were granted on October 5, 2023 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's restricted Common Stock on the date provided for in the PSU award agreement. Reporting Person may not sell such restricted stock before termination of employment.

F4 · balance_after: Total includes: (i) 3,046 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 677 shares of Common Stock to be received upon settlement of MSUs, (iii) 144 shares of restricted Common Stock to be received upon settlement of PSUs, and (iv) 355 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account reflects a net reduction of 15 shares from the previously reported balance (370 shares) for the following stock activity: (a) on May 28, 2024, the 401(k) plan administrator unilaterally liquidated WDFC shares valued at approximately $4,000 to return excess 401(k) contributions for tax year 2023 to Reporting Person, and (b) from July 2023 through July 2024, Reporting Person received quarterly stock dividends.

SEC source: 0000105132-24-000055 · form4.xml · nonDerivative · entry 2

HYZER SARA KATHLEEN · CIK 0001951273 · VP, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,530

F2 · shares: Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 12, 2021 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement.

F2 · price: Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 12, 2021 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement.

SEC source: 0000105132-24-000055 · form4.xml · nonDerivative · entry 1

HYZER SARA KATHLEEN · CIK 0001951273 · VP, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,853

F1 · shares: Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

F1 · price: Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

SEC source: 0000105132-24-000054 · form4.xml · nonDerivative · entry 3

NOBLE WILLIAM B · CIK 0001253564 · Group Managing Director, EIMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,319

F3 · shares: Represents the vesting of performance stock units (PSUs) upon certification of fiscal year 2024 performance achieved. The PSUs were granted on October 5, 2023 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's restricted Common Stock on the date provided for in the PSU award agreement. Reporting Person may not sell such restricted stock before termination of employment.

F3 · price: Represents the vesting of performance stock units (PSUs) upon certification of fiscal year 2024 performance achieved. The PSUs were granted on October 5, 2023 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's restricted Common Stock on the date provided for in the PSU award agreement. Reporting Person may not sell such restricted stock before termination of employment.

F4 · ownership.direct: Total includes: (i) 1,544 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 434 shares of Common Stock to be received upon settlement of MSUs, (iii) 593 shares of restricted Common Stock received or to be received upon settlement of PSUs, and (iv) 280 vested deferred performance units or DPUs, which are Common Stock equivalents.

SEC source: 0000105132-24-000054 · form4.xml · nonDerivative · entry 2

NOBLE WILLIAM B · CIK 0001253564 · Group Managing Director, EIMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,168

F2 · shares: Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 12, 2021 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement.

F2 · price: Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 12, 2021 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement.

SEC source: 0000105132-24-000054 · form4.xml · nonDerivative · entry 1

NOBLE WILLIAM B · CIK 0001253564 · Group Managing Director, EIMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,734

F1 · shares: Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

F1 · price: Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

SEC source: 0000105132-24-000053 · form4.xml · nonDerivative · entry 3

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,704

F5 · shares: Represents the vesting of performance stock units (PSUs) upon certification of fiscal year 2024 performance achieved. The PSUs were granted on October 5, 2023 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's restricted Common Stock on the date provided for in the PSU award agreement. Reporting Person may not sell such restricted stock before termination of employment.

F5 · price: Represents the vesting of performance stock units (PSUs) upon certification of fiscal year 2024 performance achieved. The PSUs were granted on October 5, 2023 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's restricted Common Stock on the date provided for in the PSU award agreement. Reporting Person may not sell such restricted stock before termination of employment.

F6 · balance_after: Total composed of: (i) 912 shares of Common Stock to be received upon settlement of MSUs, (iii) 703 shares of restricted Common Stock received or to be received upon settlement of PSUs, and (iii) 89 vested deferred performance units or DPUs, which are Common Stock equivalents.

SEC source: 0000105132-24-000053 · form4.xml · nonDerivative · entry 2

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,540

F4 · shares: Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 12, 2021 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement.

F4 · price: Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 12, 2021 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement.

SEC source: 0000105132-24-000053 · form4.xml · nonDerivative · entry 1

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 5,607

F1 · shares: Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

F1 · price: Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

F2 · balance_after: Total includes 2,693 unvested RSUs.

F3 · ownership.nature: Under the 2007 Olsem Family Trust, Reporting Person shares voting power and investment discretion with her spouse.

SEC source: 0000105132-24-000035 · form4.xml · nonDerivative · entry 1

HYZER SARA KATHLEEN · CIK 0001951273 · VP, Finance & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,676

F1 · balance_after: Total includes: (i) 1,868 unvested RSUs and (ii) shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. On May 1, 2023, the 401(k) plan administrator unilaterally liquidated 12 shares of WDFC at $187.59 per share to return excess 401(k) contributions for tax year 2022 to the Reporting Person, and a net of 370 shares (rounded to the nearest whole share) are now held in such account as of May 10, 2024.