WDFC

SEC source: 0000105132-26-000083 · form4.xml · nonDerivative · entry 1

GIORDANO NICHOLAS DANIEL · CIK 0002139508 · VP, Corporate Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 597

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: As of the filing date, the amount reported includes: (i) 359 unvested RSUs (which include the grant of RSUs reported in this Form 4), and (ii) 21 shares of restricted Common Stock received upon settlement of performance share units or PSUs.

SEC source: 0000105132-26-000082 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,971

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: As of the filing date, the amount reported includes: (i) 16,906 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 1,218 shares of restricted Common Stock received upon settlement of performance share units or PSUs, (iii) 108 vested deferred performance units or DPUs, which are Common Stock equivalents, and (iv) 2,669 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account includes quarterly stock dividends received since the last Form 4 filing.

SEC source: 0000105132-26-000081 · form4.xml · nonDerivative · entry 1

CLOEZ CHRISTOPHE PAUL · CIK 0002127440 · Managing Director, EIMEA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,588

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: As of the filing date, the amount reported includes: (i) 1,729 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 247 shares of restricted Common Stock received upon settlement of performance share units or PSUs, and (iii) 94 vested deferred performance units or DPUs, which are Common Stock equivalents.

SEC source: 0000105132-26-000080 · form4.xml · nonDerivative · entry 1

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,628

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: As of the filing date, the amount reported includes: (i) 1,975 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 644 shares of restricted Common Stock received upon settlement of performance share units or PSUs, and (iii) 89 vested deferred performance units or DPUs, which are Common Stock equivalents.

SEC source: 0000105132-26-000079 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,910

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: As of the filing date, the amount reported includes: (i) 3,507 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 71 shares of restricted Common Stock received upon settlement of performance share units or PSUs, and (iii) 833 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account includes quarterly stock dividends received since the last Form 4 filing.

SEC source: 0000105132-26-000078 · 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: 5,631

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: As of the filing date, the amount reported includes: (i) 1,773 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 253 shares of restricted Common Stock received upon settlement of performance share units or PSUs, and (iii) 710 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account includes quarterly stock dividends received since the last Form 4 filing.

SEC source: 0000105132-26-000077 · form4.xml · nonDerivative · entry 1

KIAMILEV PHENIX Q. · CIK 0001896675 · VP, GC & Chief Compliance Ofcr

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 5,410

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: As of the filing date, the amount reported includes: (i) 1,955 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 68 shares of restricted Common Stock received upon settlement of performance share units or PSUs, and (ii) 272 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account includes quarterly stock dividends received since the last Form 4 filing.

F3 · ownership.direct: Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.

SEC source: 0000105132-26-000065 · form4.xml · nonDerivative · entry 1

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,574

F1 · balance_after: Amount reported includes: (i) 1,842 unvested restricted stock units or RSUs, (ii) 644 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 89 vested deferred performance units or DPUs, which are Common Stock equivalents.

SEC source: 0000105132-26-000063 · form4.xml · nonDerivative · entry 1

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,774

F1 · balance_after: Amount reported includes: (i) 1,842 unvested restricted stock units or RSUs, (ii) 644 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 89 vested deferred performance units or DPUs, which are Common Stock equivalents.

SEC source: 0000105132-26-000020 · form4.xml · nonDerivative · entry 1

Plunk Ken Allen · CIK 0001826410 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 515

F1 · price: Reporting person was appointed as a director to Issuer's Board of Directors effective February 18, 2026. Acquisition reported 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 June 16, 2025. This RSU award, which was granted effective February 18, 2026 and had an aggregate fair market value of approximately $125,000 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: 0000105132-26-000011 · form4.xml · nonDerivative · entry 1

PENDARVIS DAVID · CIK 0001196723 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,898

F1 · balance_after: Represents: (i) 1,275 shares acquired via stock purchases by Reporting Owner, and (ii) 5,623 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: 0000105132-25-000127 · form4.xml · nonDerivative · entry 1

Magee Edward O Jr · CIK 0001935690 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,613

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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F2 · balance_after: Represents: (i) 56 shares acquired before Reporting Owner's appointment to Issuer's Board of Directors, and (ii) 2,557 vested RSUs treated as common stock equivalents, which RSUs were adjusted downward by a total of 8 due to last year's erroneous reporting of RSUs awarded (412 instead of 405 for non-elective RSUs and 93 instead of 92 for elective RSUs). Following termination of Reporting Person's service as a director, vested RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-25-000126 · form4.xml · nonDerivative · entry 2

Etchart Eric · CIK 0001398352 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,349

F2 · shares: Represents an elective RSU award covering shares of Issuer's common stock granted in accordance the 2025 Directors' Compensation Policy. This RSU award, which was granted effective December 12, 2025 ("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 2025 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 2025 Directors' Compensation Policy. This RSU award, which was granted effective December 12, 2025 ("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 2025 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) 2,000 shares acquired via stock purchases by Reporting Owner, (ii) 6,982 vested RSUs treated as common stock equivalents, and (iii) 367 unvested RSUs. Following termination of Reporting Person's service as a director, vested RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-25-000126 · form4.xml · nonDerivative · entry 1

Etchart Eric · CIK 0001398352 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,982

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 June 16, 2025 ("2025 Directors' Compensation Policy"). This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 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 June 16, 2025 ("2025 Directors' Compensation Policy"). This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

SEC source: 0000105132-25-000124 · form4.xml · nonDerivative · entry 1

CARTER DANIEL T · CIK 0001117949 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,817

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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F2 · balance_after: Represents: (i) 1,000 shares acquired via stock purchase by Reporting Owner, and (ii) 6,817 vested RSUs treated as common stock equivalents. Following termination of the Reporting Person's service as a director, vested RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-25-000123 · form4.xml · nonDerivative · entry 1

PENDARVIS DAVID · CIK 0001196723 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,474

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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 on such date, is the non-elective portion of annual director compensation and vests upon grant.

F2 · balance_after: Represents: (i) 851 shares acquired via stock purchases by Reporting Owner, and (ii) 5,623 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: 0000105132-25-000122 · form4.xml · nonDerivative · entry 1

Lee Lara L · CIK 0001830288 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,503

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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 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 (adjusted downward by 7 due to last year's grant erroneously reported as 412 instead of 405). Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-25-000121 · form4.xml · nonDerivative · entry 1

Saunders Anne · CIK 0001363888 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,363

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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 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 (adjusted downward by 7 due to last year's grant erroneously reported as 412 instead of 405). Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-25-000120 · form4.xml · nonDerivative · entry 1

Monteagudo Graciela · CIK 0001647443 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,873

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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 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 (adjusted downward by 7 due to last year's grant erroneously reported as 412 instead of 405). Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-25-000119 · form4.xml · nonDerivative · entry 1

Burks Cynthia · CIK 0001941449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,903

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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 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 June 16, 2025. This RSU award, which was granted effective December 12, 2025 and had an aggregate fair market value of approximately $125,000 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 (adjusted downward by 7 due to last year's grant erroneously reported as 412 instead of 405). Following termination of the Reporting Person's service as a director, the RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-25-000097 · form4.xml · nonDerivative · entry 1

Etchart Eric · CIK 0001398352 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,370

F1 · balance_after: Represents: (i) 2,000 shares acquired via stock purchases by Reporting Owner, (ii) 6,324 vested RSUs treated as common stock equivalents, and (iii) 46 unvested RSUs. Following termination of Reporting Person's service as a director, vested RSUs will be settled with Issuer's common stock. Note: The total was adjusted downward by 12 RSUs (7 vested and 5 unvested) to correct a previous reporting error.

SEC source: 0000105132-25-000093 · form4.xml · nonDerivative · entry 1

PENDARVIS DAVID · CIK 0001196723 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,862

F1 · balance_after: Represents: (i) 851 shares acquired via stock purchases by Reporting Owner, and (ii) 5,011 vested RSUs (previously reported as 5,018 in error) 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: 0000105132-25-000087 · form4.xml · nonDerivative · entry 1

KIAMILEV PHENIX Q. · CIK 0001896675 · VP, GC & Chief Compliance Ofcr

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 4,303

F1 · balance_after: Amount reported includes: (i) 1,663 unvested RSUs, (ii) 68 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 268 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

F2 · ownership.direct: Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.

SEC source: 0000105132-25-000086 · 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: 33,761

F1 · balance_after: Amount reported includes: (i) 13,189 unvested RSUs, (ii) 1,218 shares of restricted Common Stock received upon settlement of performance stock units, (iii) 108 vested deferred performance units or DPUs, which are Common Stock equivalents, and (iv) 2,621 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account

SEC source: 0000105132-25-000085 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,935

F1 · balance_after: Amount reported includes: (i) 2,905 unvested RSUs, (ii) 71 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 819 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

SEC source: 0000105132-25-000068 · form4.xml · nonDerivative · entry 1

CARTER DANIEL T · CIK 0001117949 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,205

F1 · price: Reflects average price of shares purchased.

F2 · ownership.direct: Represents: (i) 1,000 shares acquired via stock purchase by Reporting Owner in this Form 4, and (ii) 6,205 vested RSUs (previously reported as 6,212 in error) treated as common stock equivalents. Following termination of the Reporting Person's service as a director, vested RSUs will be settled with Issuer's common stock.

SEC source: 0000105132-25-000077 · 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: 4,900

F2 · price: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 821 MSUs.

F3 · balance_after: Amount reported includes: (i) 1,514 unvested RSUs, (ii) 253 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 697 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

SEC source: 0000105132-25-000077 · 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: 5,194

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 721 RSUs.

SEC source: 0000105132-25-000075 · form4.xml · nonDerivative · entry 2

KIAMILEV PHENIX Q. · CIK 0001896675 · VP, GC & Chief Compliance Ofcr

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 4,248

F3 · price: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 821 MSUs.

F4 · balance_after: Amount reported includes: (i) 1,663 unvested RSUs, (ii) 68 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 213 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

F2 · ownership.direct: Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.

SEC source: 0000105132-25-000075 · form4.xml · nonDerivative · entry 1

KIAMILEV PHENIX Q. · CIK 0001896675 · VP, GC & Chief Compliance Ofcr

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 4,542

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 741 RSUs.

F2 · ownership.direct: Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.

SEC source: 0000105132-25-000071 · 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: 33,399

F2 · price: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 3,883 MSUs.

F3 · balance_after: Amount reported includes: (i) 13,189 unvested RSUs, (ii) 1,218 shares of restricted Common Stock received upon settlement of performance stock units, (iii) 108 vested deferred performance units or DPUs, which are Common Stock equivalents, and (iv) 2,259 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

SEC source: 0000105132-25-000071 · 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: 35,371

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 4,684 RSUs.

SEC source: 0000105132-25-000073 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,735

F2 · security: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 895 MSUs.

F2 · date: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 895 MSUs.

F2 · deemedExecutionDate: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 895 MSUs.

F2 · kind: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 895 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 895 MSUs.

F3 · balance_after: Amount reported includes: (i) 2,905 unvested RSUs, (ii) 71 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 619 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

F2 · ownership.direct: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 895 MSUs.

SEC source: 0000105132-25-000073 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,190

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 1,048 RSUs.

SEC source: 0000105132-25-000081 · form4.xml · nonDerivative · entry 2

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,074

F2 · price: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 1,120 MSUs.

F3 · balance_after: Amount reported includes: (i) 1,842 unvested RSUs, (ii) 644 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 89 vested deferred performance units or DPUs, which are Common Stock equivalents.

SEC source: 0000105132-25-000081 · form4.xml · nonDerivative · entry 1

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,475

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 933 RSUs.

SEC source: 0000105132-25-000080 · form4.xml · nonDerivative · entry 2

NOBLE WILLIAM B · CIK 0001253564 · Group Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,097

F2 · price: Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 672 MSUs.

F3 · balance_after: Total includes: (i) 479 unvested restricted stock units, (ii) 522 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 280 vested deferred performance units, which are Common Stock equivalents.

SEC source: 0000105132-25-000080 · form4.xml · nonDerivative · entry 1

NOBLE WILLIAM B · CIK 0001253564 · Group Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,741

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 546 RSUs.

SEC source: 0000105132-25-000052 · form4.xml · nonDerivative · entry 2

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,450

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 10, 2022 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 · balance_after: As of the filing date, the amount reported includes: (i) 1,011 unvested RSUs (the grant of RSUs reported in this Form 4), (ii) 1,120 shares of Common Stock to be issued upon settlement of MSUs, (iii) 644 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iv) 89 vested deferred performance units or DPUs, which are Common Stock equivalents.

SEC source: 0000105132-25-000052 · form4.xml · nonDerivative · entry 1

Olsem Patricia Q · CIK 0001784383 · Division President, Americas

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,330

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: 0000105132-25-000051 · 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: 5,454

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 10, 2022 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.

F3 · balance_after: As of the filing date, the amount reported includes: (i) 1,510 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 821 shares of Common Stock to be issued upon settlement of MSUs, and (iii) 697 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account includes quarterly stock dividends received since the last Form 4 filing.

SEC source: 0000105132-25-000051 · 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: 4,633

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: 0000105132-25-000050 · form4.xml · nonDerivative · entry 2

KIAMILEV PHENIX Q. · CIK 0001896675 · VP, GC & Chief Compliance Ofcr

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 4,809

F3 · 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 10, 2022 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 · balance_after: As of the filing date, the amount reported includes: (i) 1,659 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 821 shares of Common Stock to be issued upon settlement of MSUs, and (iii) 213 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account includes quarterly stock dividends received since the last Form 4 filing.

F2 · ownership.direct: Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.

SEC source: 0000105132-25-000050 · form4.xml · nonDerivative · entry 1

KIAMILEV PHENIX Q. · CIK 0001896675 · VP, GC & Chief Compliance Ofcr

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 3,988

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 · ownership.direct: Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.

SEC source: 0000105132-25-000049 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,723

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 10, 2022 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.

F3 · balance_after: As of the filing date, the amount reported includes: (i) 2,906 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 895 shares of Common Stock to be issued upon settlement of MSUs, and (iii) 619 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account includes quarterly stock dividends received since the last Form 4 filing.

SEC source: 0000105132-25-000049 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,828

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: 0000105132-25-000047 · 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: 37,751

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 10, 2022 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.

F3 · balance_after: As of the filing date, the amount reported includes: (i) 14,672 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 3,883 shares of Common Stock to be issued upon settlement of MSUs, (iii) 108 vested deferred performance units or DPUs, which are Common Stock equivalents, and (iv) 2,259 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account includes quarterly stock dividends received since the last Form 4 filing.

SEC source: 0000105132-25-000047 · 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: 33,868

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: 0000105132-25-000018 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,072

F1 · balance_after: Total includes: (i) 2,202 unvested RSUs, (ii) 71 shares of restricted Common Stock received upon settlement of PSUs, and (iii) 613 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account, which also includes 2 shares received as stock dividends in lieu of cash since Reporting Person's last filing.

SEC source: 0000105132-24-000112 · form4.xml · nonDerivative · entry 1

Saunders Anne · CIK 0001363888 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,758

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 the 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 the 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.