Stocks › WDFC
WD 40 CO
WDFC·Nasdaq·
United States·USD
United States·USD$204.17
-1.69 (-0.82%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
WDFC
WD 40 CO · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
WDFCS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of WDFC by members of U.S. Congress · 9 on record
Whale Activity
Position changes in WDFC reported for 2026-06-30 by 10 tracked institutional filers
- Increased4
- New0
- Held0
- Decreased5
- Closed1
- No prior filing0
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 2.1M | $505.7M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.1M | $262.1M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 604.5K | $147.3M | decreased |
| TWO SIGMA INVESTMENTS, LP | 205.3K | $50.0M | increased |
| RENAISSANCE TECHNOLOGIES LLC | 176.1K | $42.9M | decreased |
| CITADEL ADVISORS LLC | 55.8K | $13.6M | decreased |
| D. E. Shaw & Co., Inc. | 30.7K | $7.5M | decreased |
| Bridgewater Associates, LP | 10.1K | $2.5M | increased |
| MILLENNIUM MANAGEMENT LLC | 1,080 | $263K | decreased |
| Point72 Asset Management | 0 | $0 | closed |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by WDFC insiders, by quarter · Form 4
Recent Insider Transactions
1,379 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Olsem Patricia QDivision President, Americas | Sale | −200 | $234.72 | $47K | Aug 13, 2026 | Form 4 ↗ |
| Olsem Patricia QDivision President, Americas | Sale | −300 | $233.73 | $70K | Aug 10, 2026 | Form 4 ↗ |
| Plunk Ken AllenDirector | Grant / award | +515 | — | — | Feb 18, 2026 | Form 4 ↗ |
| PENDARVIS DAVIDDirector | Purchase | +424 | $247.15 | $105K | Feb 5, 2026 | Form 4 ↗ |
| Magee Edward O JrDirector | Grant / award | +612 | — | — | Dec 12, 2025 | Form 4 ↗ |
| Etchart EricDirector | Grant / award | +367 | — | — | Dec 12, 2025 | Form 4 ↗ |
| Etchart EricDirector | Grant / award | +612 | — | — | Dec 12, 2025 | Form 4 ↗ |
| CARTER DANIEL TDirector | Grant / award | +612 | — | — | Dec 12, 2025 | Form 4 ↗ |
| PENDARVIS DAVIDDirector | Grant / award | +612 | — | — | Dec 12, 2025 | Form 4 ↗ |
| Lee Lara LDirector | Grant / award | +612 | — | — | Dec 12, 2025 | Form 4 ↗ |
| Saunders AnneDirector | Grant / award | +612 | — | — | Dec 12, 2025 | Form 4 ↗ |
| Monteagudo GracielaDirector | Grant / award | +612 | — | — | Dec 12, 2025 | Form 4 ↗ |
| Burks CynthiaDirector | Grant / award | +612 | — | — | Dec 12, 2025 | Form 4 ↗ |
| Etchart EricDirector | Purchase | +500 | $194.02 | $97K | Oct 30, 2025 | Form 4 ↗ |
| PENDARVIS DAVIDDirector | Purchase | +523 | $196.37 | $103K | Oct 30, 2025 | Form 4 ↗ |
| KIAMILEV PHENIX Q.VP, GC & Chief Compliance Ofcr | Purchase | +55 | $200.46 | $11K | Oct 28, 2025 | Form 4 ↗ |
| Brass Steven APresident and CEO · Director | Purchase | +362 | $200.46 | $73K | Oct 28, 2025 | Form 4 ↗ |
| HYZER SARA KATHLEENVP, Finance & CFO | Purchase | +200 | $200.46 | $40K | Oct 28, 2025 | Form 4 ↗ |
| Olsem Patricia QDivision President, Americas | Tax withholding | −401 | — | — | Oct 27, 2025 | Form 4 ↗ |
| Olsem Patricia QDivision President, Americas | Tax withholding | −335 | — | — | Oct 27, 2025 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding WDFC · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF iShares Trust | 810.7K | $197.5M | 0.18% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 426.1K | $103.8M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 354.1K | $86.3M | 0.10% | Jun 30, 2026 |
| First Trust SMID Cap Rising Dividend Achievers ETF First Trust Exchange-Traded Fund VI | 318.0K | $77.5M | 0.68% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 308.9K | $75.3M | 0.04% | Jun 30, 2026 |
| VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 178.0K | $43.4M | 0.09% | Jun 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 154.5K | $37.6M | 0.04% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 150.0K | $34.1M | 0.10% | Jul 31, 2026 |
| Columbia Acorn Fund COLUMBIA ACORN TRUST | 135.3K | $33.0M | 1.19% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF iShares Trust | 126.5K | $30.8M | 0.20% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list WDFC's shares (CUSIP 929236107), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
No 13D/13G beneficial-ownership filings on record.
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming WD 40 CO as client
No lobbying filings found naming WD 40 CO as the client.
Government Contracts
Federal awards to WD 40 CO · USAspending
No federal contract awards found for WD 40 CO.
U.S. Patents
Recent USPTO applications naming WD 40 CO
No USPTO patent applications found for WD 40 CO.
Annual Financials
From WDFC's 10-K filings · XBRL
No annual XBRL figures on record for WDFC. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 2-for-1Stock splitAug 1, 1997
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 5.02, 7.01, 9.01Officer / director change · Reg FD disclosureSep 3, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsJul 9, 2026
EDGAR ↗ - 8-K/A · Items 5.02, 9.01Officer / director changeJun 25, 2026
EDGAR ↗ - 8-K · Items 5.02, 7.01Officer / director change · Reg FD disclosureJun 4, 2026
EDGAR ↗
About WD 40 CO
From SEC EDGAR company records
Industry (SIC 2890)Miscellaneous Chemical Products
SectorMaterials
HeadquartersSAN DIEGO, CA
IncorporatedDE
SEC CIK0000105132 ↗