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Ownership Document
|
| Schema Version: X0508 |
| Document Type: 4 |
| Period of Report: 4/16/24 |
| Issuer: |
| Issuer CIK: 105132 |
| Issuer Name: WD 40 CO |
| Issuer Trading Symbol: WDFC |
| Reporting Owner: |
| Reporting Owner ID: |
| | Owner CIK: 1691913 |
| | Owner Name: Brass Steven A |
| Reporting Owner Address: |
| | Owner Street 1: C/O: WD-40 COMPANY |
| | Owner Street 2: 9715 BUSINESSPARK AVE. |
| | Owner City: SAN DIEGO |
| | Owner State: CA |
| | Owner ZIP Code: 92131 |
| | Owner State Description: |
| Reporting Owner Relationship: |
| | Is Director? Yes |
| | Is Officer? Yes |
| | Officer Title: President and CEO |
| Aff 10b5 One? No |
| Non-Derivative Table: |
| Non-Derivative Transaction: |
| | Security Title: |
| | | Value: Common Stock |
| | Transaction Date: |
| | | Value: 4/16/24 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: P |
| | | Equity Swap Involved? No |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 432 |
| | | Transaction Price Per Share: |
| Value: 232.22 |
| | | Transaction Acquired-Disposed Code: |
| Value: A |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 20,547 |
| Footnote ID: F1 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Footnotes: |
| Footnote - F1: Total includes: (i) 973 shares of restricted Common Stock received upon settlement of performance share units or PSUs, (ii) 7,500 unvested RSUs, (iii) 108 vested deferred performance units or DPUs, which are common stock equivalents, and (iv) 2,208 shares held in the Reporting Person's WD-40 Company Profit Sharing Plan / 401(k) Plan and Trust account. |
| Owner Signature: |
| Signature Name: Ann T. Nguyen, attorney-in-fact for Steven A. Brass |
| Signature Date: 4/17/24 |
