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No insider purchase over the last 90 days. The latest was filed 06 Feb 2026.
WD 40 Co: what insiders have been doing
This page follows insider dealings at WD 40 Co as filed with SEC (Form 4), a company from the Industry sector. The last twelve months, up to 18 October 2026, brought 33 filings signed by 18 insiders.
Purchases and sales both appear in the filings: 7 purchases (6 insiders, €538k) and 2 sales (1 insider, €101k). The net balance comes to €437k on the buying side. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Carter Daniel T filed the largest purchase, €171k, on 27 October 2025. Those buying include 4 senior executives, 1 finance chief and 1 chief executive.
For context, the typical company on the same exchange (median of 5,812 companies) published 19 filings over the same period, against 33 filings here. Over the whole record (from 2016), the tally stands at 19 purchases and 11 sales. In its latest annual report filed with the SEC (10-K, fiscal year ended 31 August 2025), the company reported revenue of 620.0 m USD and net income of 91.0 m USD, with a dividend of 3.70 USD per share.
In all, 5 purchases were made within 30 days of a purchase by another insider of the company. Such overlaps are known as a cluster signal: distinct people reaching the same decision at about the same time. The latest purchase dates back some time: it was published 254 days ago, on 6 February 2026. Filings reach the SEC (Form 4) feed a median of 1 day after the trade. The legal deadline for a Form 4 is two business days after the transaction.
Other companies in the same sector with recent insider buying flagged by our signals: Tennant Co and Butler National Corp. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Insider Decl.
159
Thresholds
n/a
Buy Volume
€1M
19 ops. · all time
Sell Volume
€3M
11 ops. · all time
Who traded when
BuySaleDavid Pendarvis2 buys
Patricia Q. Olsem2 sales
Sara Kathleen Hyzer2 buys
Daniel T. Carter1 buy
Eric Etchart1 buy
Noble William B1 sale
+2 other insiders
Since the insiders bought
- -12.3%Entry US$237.26 · Close at T+90 US$208.05
- +16.2%Entry US$194.28 · Close at T+90 US$225.83
- +13.2%Entry US$193.70 · Close at T+90 US$219.19
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Fundamental score
Ranked 7,468 of 24,148 companies
61.1
score / 100
Value42
Quality80
FCF yld3.1%
Earn yld3.4%
EV/EBITDA24.6x
ROE33%
Gross mgn55%
Net mgn15%
Debt/EBITDA0.9x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended August 2025 · cache
US$204.41
Analyst consensus
3 analysts1.50/5
US$245.00Target US$271.67(+33%)US$305.00
Income statement
RevenueUS$620M
Gross profitUS$341.3M55% margin
EBITDAUS$113.3M18% margin
Net incomeUS$90.7M13.2% margin
Valuation
PER (trailing)31.1x
PER (forward)31.6x
P/Book9.9x
Beta0.26
Balance sheet & cash
Market capUS$2.7B
Total debtUS$97.7M
Free Cash FlowUS$83.4M
Debt / Equity41%
Profitability & ownership
ROE33.3%
ROA15.4%
% insiders0.8%
% institutions90.4%
Last declaration on 13 October 2026
Declarations159 total
257 sharesCommon StockSEC:0000105132-26-000083:0
9,808 sharesCommon StockSEC:0000105132-26-000082:0
1,005 sharesCommon StockSEC:0000105132-26-000078:0
1,103 sharesCommon StockSEC:0000105132-26-000077:0
1,103 sharesCommon StockSEC:0000105132-26-000081:0
1,054 sharesCommon StockSEC:0000105132-26-000080:0
1,961 sharesCommon StockSEC:0000105132-26-000079:0
200 shares@ US$234.720.0017% mcap8.6% of flowCommon StockSEC:0000105132-26-000065:0
300 shares@ US$233.730.0026% mcap12.9% of flowCommon StockSEC:0000105132-26-000063:0
600 shares@ US$227.290.0050% mcap25.1% of flowCommonSEC144:0001959173-26-005749
515 sharesCommon StockSEC:0000105132-26-000020:0
424 shares@ US$247.1535.6% of flowCommon StockSEC:0000105132-26-000011:0
Canonical exit: 6 May 2026 (T+90)
612 sharesCommon StockSEC:0000105132-25-000127:0
612 sharesCommon StockSEC:0000105132-25-000126:0
612 sharesCommon StockSEC:0000105132-25-000124:0
612 sharesCommon StockSEC:0000105132-25-000123:0
612 sharesCommon StockSEC:0000105132-25-000122:0
612 sharesCommon StockSEC:0000105132-25-000121:0
612 sharesCommon StockSEC:0000105132-25-000120:0
612 sharesCommon StockSEC:0000105132-25-000119:0
500 shares@ US$194.0249.1% of flowCommon StockSEC:0000105132-25-000097:0
Canonical exit: 28 Jan 2026 (T+90)
523 shares@ US$196.3735.5% of flowCommon StockSEC:0000105132-25-000093:0
Canonical exit: 28 Jan 2026 (T+90)
55 shares@ US$200.4620.7% of flowCommon StockSEC:0000105132-25-000087:0
Canonical exit: 26 Jan 2026 (T+90)
362 shares@ US$200.4614.2% of flowCommon StockSEC:0000105132-25-000086:0
Canonical exit: 26 Jan 2026 (T+90)
200 shares@ US$200.4621.7% of flowCommon StockSEC:0000105132-25-000085:0
Canonical exit: 26 Jan 2026 (T+90)
25 of 159 declarations
About WD 40 Co
WD-40 Company (ticker: WDFC) is a U.S.-listed company on the NASDAQ market in the United States, and it sits firmly in the industrial/maintenance products space rather than in a classic high-growth technology bucket. For French-speaking investors looking at a quality branded business with a global footprint, WDFC stands out as a mature, profitable, capital-light marketing organization. The company is headquartered in San Diego, California, and its products are sold in more than 176 countries and territories, giving it unusually broad international reach for a company of its size.
The company’s roots go back to 1953, when the original WD-40 Multi-Use Product was created. That flagship brand remains the core of the business and one of the most recognizable maintenance products in the world. WD-40’s main lines of business are centered on maintenance and repair solutions: penetrating oils, lubricants, cleaners, corrosion inhibitors, and related workshop and household products. The portfolio also includes WD-40 Specialist, 3-IN-ONE, GT85, and a set of homecare and cleaning brands. However, management has clearly emphasized maintenance products as the strategic focus.
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Competitively, WD-40 benefits from a very strong brand moat, global distribution, and a simple, repeat-purchase product proposition. The business is not driven by heavy manufacturing complexity or large-scale R&D spending; instead, it relies on brand equity, shelf presence, and end-user loyalty. That model has historically supported healthy margins and strong cash generation. Recent reporting has also pointed to improving gross margin, helped by portfolio simplification and a tighter focus on higher-priority categories.
Recent company developments have included continued sales growth in maintenance products, which account for the vast majority of revenue, alongside a divestiture of the homecare and cleaning portfolio in the United Kingdom and management’s stated intent to sell the comparable portfolio in the Americas. The company has also highlighted significant long-term growth runway for the WD-40 Multi-Use Product itself. For investors, WDFC is best viewed as a globally distributed branded industrial consumer business with defensive characteristics, disciplined capital allocation, and a focused strategy around its most powerful core franchises.
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