InsiderTrades

Form 4 for WDFC WD 40 CO

Accepted 2025-10-10 00:00:00 ET · period of report 2025-10-09 · accession 0000105132-25-000050 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
MI 2025-10-10 2025-10-09 WDFC KIAMILEV PHENIX Q. VP, GC, Chief Compliance Ofcr A - Grant — +1,793 4,809 +59% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-10-09 A A 972 — 3,988 I By Trust — — (F1) 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) Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.
2 Common Common Stock 2025-10-09 A A 821 — 4,809 I By Trust — — (F3) 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) 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) Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.