WDFC Insider Trading
WD 40 CO | Miscellaneous Chemical Products
Comprehensive Trading Performance Summary
The investment history of corporate insiders at WD 40 CO provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Miscellaneous Chemical Products sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2026-02-07 02:11 | 2026-02-05 | PENDARVIS DAVID | Director | BUY | $247.15 | 424 | $104,792 | 6,898 | +6.5% |
| 2025-10-31 02:11 | 2025-10-30 | Etchart Eric | Director | BUY | $194.02 | 500 | $97,010 | 8,370 | +6.4% |
| 2025-10-30 23:55 | 2025-10-30 | PENDARVIS DAVID | Director | BUY | $196.37 | 523 | $102,702 | 5,862 | +9.8% |
| 2025-10-30 03:40 | 2025-10-28 | KIAMILEV PHENIX Q. | Officer - VP, GC & Chief Compliance Ofcr | BUY | $200.46 | 55 | $11,025 | 4,303 | +1.3% |
| 2025-10-30 03:38 | 2025-10-28 | Brass Steven A | Director, Officer - President and CEO | BUY | $200.46 | 362 | $72,567 | 33,761 | +1.1% |
| 2025-10-30 03:28 | 2025-10-28 | HYZER SARA KATHLEEN | Officer - VP, Finance & CFO | BUY | $200.46 | 200 | $40,092 | 5,935 | +3.5% |
| 2025-10-28 00:21 | 2025-10-27 | CARTER DANIEL T | Director | BUY | $199.37 | 1,000 | $199,370 | 7,205 | +16.1% |
| 2025-04-16 00:22 | 2025-04-11 | HYZER SARA KATHLEEN | Officer - VP, Finance & CFO | BUY | $222.83 | 256 | $57,044 | 4,072 | +6.7% |
| 2024-11-15 03:44 | 2024-11-13 | NOBLE WILLIAM B | Officer - Group Managing Director | SELL | $289.70 | 1,000 | $289,700 | 7,999 | -11.1% |
| 2024-10-24 16:26 | 2024-10-22 | NOBLE WILLIAM B | Officer - Group Managing Director, EIMEA | SELL | $256.98 | 800 | $205,584 | 8,999 | -8.2% |
| 2024-05-11 00:45 | 2024-05-09 | HYZER SARA KATHLEEN | Officer - VP, Finance & CFO | BUY | $232.83 | 213 | $49,593 | 2,676 | +8.6% |
| 2024-04-17 23:24 | 2024-04-16 | Brass Steven A | Director, Officer - President and CEO | BUY | $232.22 | 432 | $100,319 | 20,547 | +2.1% |
| 2024-04-12 23:17 | 2024-04-12 | PENDARVIS DAVID | Director | BUY | $234.75 | 328 | $76,998 | 4,934 | +7.1% |
| 2024-02-14 01:25 | 2024-02-12 | LINDEMAN JEFFREY G | Officer - VP, Chief People, Cult. & Cap. | BUY | $272.42 | 182 | $49,580 | 3,073 | +6.3% |
| 2023-06-16 16:38 | 2023-06-14 | Olsem Patricia Q | Officer - Division President, Americas | SELL | $200.00 | 420 | $84,000 | 2,323 | -15.3% |
| 2023-04-15 02:45 | 2023-04-13 | LINDEMAN JEFFREY G | Officer - VP, Chief People Officer | BUY | $179.08 | 543 | $97,240 | 2,300 | +30.9% |
| 2023-04-15 02:19 | 2023-04-13 | Brass Steven A | Director, Officer - President and CEO | BUY | $179.08 | 558 | $99,927 | 16,533 | +3.5% |
| 2023-04-15 02:05 | 2023-04-13 | HYZER SARA KATHLEEN | Officer - VP, Finance & CFO | BUY | $179.08 | 168 | $30,085 | 1,530 | +12.3% |
| 2023-04-14 23:49 | 2023-04-13 | KIAMILEV PHENIX Q. | Officer - VP, General Counsel & Corp Sec | BUY | $179.08 | 224 | $40,114 | 1,505 | +17.5% |
| 2023-02-03 17:20 | 2023-02-02 | Olsem Patricia Q | Officer - Division President, Americas | SELL | $180.00 | 438 | $78,840 | 2,743 | -13.8% |
| 2023-01-20 02:56 | 2023-01-18 | Brass Steven A | Director, Officer - President and CEO | BUY | $170.57 | 586 | $99,954 | 15,975 | +3.8% |
| 2022-11-16 00:40 | 2022-11-10 | Olsem Patricia Q | Officer - Division President, Americas | SELL | $165.00 | 625 | $103,125 | 3,181 | -16.4% |
| 2022-10-28 01:19 | 2022-10-26 | Brass Steven A | Director, Officer - President and CEO | BUY | $158.16 | 632 | $99,957 | 15,389 | +4.3% |
| 2022-10-26 04:15 | 2022-10-24 | HOLDSWORTH GEOFFREY | Officer - Managing Director, Asia-Pac. | SELL | $152.12 | 2,652 | $403,422 | 6,061 | -30.4% |
| 2022-08-06 03:33 | 2022-08-04 | Etchart Eric | Director | BUY | $177.60 | 500 | $88,800 | 5,692 | +9.6% |
| 2021-10-27 02:42 | 2021-10-22 | CLAMPITT RICHARD T | Officer - VP, General Counsel | SELL | $218.24 | 3,420 | $746,388 | 0 | -100.0% |
| 2021-07-24 00:06 | 2021-07-22 | HOLDSWORTH GEOFFREY | Officer - Managing Director AsiaPacific | SELL | $240.93 | 1,345 | $324,051 | 6,329 | -17.5% |
| 2021-07-22 03:42 | 2021-07-19 | RIDGE GARRY O | Director, Officer - CEO and Chairman of the Board | SELL | $248.46 | 48,075 | $11,944,561 | 53,533 | -47.3% |
| 2021-01-27 23:04 | 2021-01-26 | NOBLE WILLIAM B | Officer - Managing Director, Europe | SELL | $305.46 | 583 | $178,082 | 7,636 | -7.1% |
| 2020-11-16 19:29 | 2020-11-12 | HOLDSWORTH GEOFFREY | Officer - Managing Director AsiaPacific | SELL | $254.32 | 1,507 | $383,260 | 7,674 | -16.4% |
| 2020-10-30 01:34 | 2020-10-27 | REMBOLT JAY | Officer - Vice President Finance & CFO | SELL | $237.37 | 3,281 | $778,795 | 40,377 | -7.5% |
| 2020-10-28 01:36 | 2020-10-26 | HOLDSWORTH GEOFFREY | Officer - Managing Director AsiaPacific | SELL | $236.27 | 1,603 | $378,741 | 9,181 | -14.9% |
| 2020-10-23 03:16 | 2020-10-21 | NOBLE WILLIAM B | Officer - Managing Director, Europe | SELL | $217.50 | 1,000 | $217,500 | 8,607 | -10.4% |
| 2020-08-20 01:23 | 2020-08-18 | NOBLE WILLIAM B | Officer - Managing Director, Europe | SELL | $199.70 | 500 | $99,850 | 8,681 | -5.4% |
| 2020-01-24 02:05 | 2020-01-22 | Brass Steven A | Officer - President & COO | SELL | $189.14 | 677 | $128,048 | 6,165 | -9.9% |
| 2019-08-19 23:06 | 2019-08-15 | HOLDSWORTH GEOFFREY | Officer - Managing Director AsiaPacific | SELL | $182.28 | 1,408 | $256,650 | 8,228 | -14.6% |
| 2019-04-20 01:24 | 2019-04-18 | Brass Steven A | Officer - Section 16 Officer | SELL | $164.30 | 822 | $135,055 | 4,591 | -15.2% |
| 2019-04-20 00:14 | 2019-04-18 | PITTARD DANIEL E | Director | BUY | $165.00 | 400 | $66,000 | 3,791 | +11.8% |
| 2018-11-21 00:16 | 2018-11-16 | FREEMAN MICHAEL L | Officer - Chief Strategy Officer | SELL | $167.36 | 6,000 | $1,004,166 | 0 | -100.0% |
| 2018-11-15 22:05 | 2018-11-14 | FREEMAN MICHAEL L | Officer - Chief Strategy Officer | SELL | $169.23 | 5,386 | $911,473 | 19,351 | -21.8% |
| 2018-11-01 01:49 | 2018-10-29 | SEWITCH STANLEY JR | Officer - VP, Global Org. Dev. | SELL | $166.15 | 2,167 | $360,047 | 6,308 | -25.6% |
| 2018-10-29 23:00 | 2018-10-25 | SEWITCH STANLEY JR | Officer - VP, Global Org. Dev. | SELL | $0.00 | 2,167 | $0 | 7,092 | -23.4% |
| 2018-10-26 20:02 | 2018-10-25 | SEWITCH STANLEY JR | Officer - VP, Global Org. Dev. | SELL | $163.80 | 2,167 | $354,963 | 7,092 | -23.4% |
| 2018-08-16 03:13 | 2018-08-15 | NOBLE WILLIAM B | Officer - Managing Director, Europe | SELL | $166.13 | 2,000 | $332,260 | 10,081 | -16.6% |
| 2018-07-20 22:01 | 2018-07-18 | HOLDSWORTH GEOFFREY | Officer - Managing Director AsiaPacific | SELL | $157.90 | 1,592 | $251,377 | 8,657 | -15.5% |
| 2018-05-14 20:17 | 2018-05-10 | PITTARD DANIEL E | Director | BUY | $132.65 | 530 | $70,305 | 2,999 | +21.5% |
| 2018-04-18 02:13 | 2018-04-13 | Brass Steven A | Officer - Section 16 Officer | SELL | $130.83 | 1,000 | $130,825 | 4,711 | -17.5% |
| 2018-02-15 00:39 | 2018-02-13 | FREEMAN MICHAEL L | Officer - Chief Strategy Officer | SELL | $119.58 | 4,861 | $581,278 | 24,193 | -16.7% |
| 2018-01-31 23:41 | 2018-01-29 | HOLDSWORTH GEOFFREY | Officer - Managing Director AsiaPacific | SELL | $126.85 | 1,690 | $214,377 | 10,249 | -14.2% |
| 2017-10-12 02:35 | 2017-10-09 | REMBOLT JAY | Officer - Vice President Finance & CFO | OPT+S | $112.60 | 676 | $76,118 | 37,955 | 0.0% |
How to Interpret $WDFC Trades
Not every insider transaction in WD 40 CO is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $WDFC shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for WDFC
Insider activity data for WD 40 CO is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $WDFC, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.