Issued 2026-09-16 at $189.65 · now $189.65 (2026-09-16, +0.0% since)
Based on its own history, a month from the 2026-09-16 close, WDFC has typically landed between $168.85 and $217.57 — a range of −11.0% to +14.7% from the issuance price $189.65.
- Actual close
- Typical path (median)
- Middle 50% of outcomes
- 90% range
5,003 overlapping 1 month windows · 2006-09-26 – 2026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.7–56.1%, ≈1,408 obs).
The cone is anchored at the 2026-09-16 issuance close ($189.65) — the price the forecast resolves against on 2026-10-15, not the latest close. The drawn path shape is illustrative (bands widen with √t); every labeled number is real — the anchor, the scored batch p90/IQR endpoints, and the typical move.
Where WDFC has typically landed a month from the 2026-09-16 close of $189.65 — the range is history, not a prediction.
- now $189.65 (+0.0%)
- typicalThe typical outcome — half of similar past periods did better and half did worse (not an average, so a few wild periods don't skew it). $189.22 (-0.2%)
- middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $178.81–$199.62
- 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $168.85–$217.57
| Start | Return | Max drop | Max rise |
|---|---|---|---|
| 3 worst | |||
| 2008-09-26 | −29.1% | −29.1% | +0.6% |
| 2008-09-18 | −28.9% | −29.7% | +0.0% |
| 2008-09-25 | −26.6% | −26.6% | +0.2% |
| 3 best | |||
| 2020-09-30 | +34.4% | −1.0% | +34.4% |
| 2020-10-16 | +33.8% | −1.1% | +33.8% |
| 2020-10-19 | +33.7% | +0.0% | +35.3% |
5,003 overlapping windows · 2006-09-26 – 2026-09-16 · not cherry-picked
Seasonality · by month iHow this security has tended to do in each calendar month historically — a frequency, never a prediction.
iFor each calendar month, the share of years this security closed higher than the month before, and the average month-over-month return, over ~20 years of its own price history. Cells are shaded by average return. This is historical frequency, not a prediction — no month is a signal.Up-frequency and average month-over-month return · historical frequency, not a prediction
Reported insider & political trades
Every Form 4 the people closest to this company have filed with the SEC — plotted against the share price, aggregated by month, and shown with the gap between when each trade happened and when it was disclosed. A public record, not advice.
| Date | Person | Role | Action | Shares @ price | Value | Ownership Δ | vs S&P 1m | vs S&P 6m | Owned after | Filing |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-13 | Olsem Patricia Q | officer | Sale | 200 @ $234.72 | $47K | −4.2% of holding | −14.5% | not yet — horizon still open | 4,574 | Form 4 · filed 1 day after the trade |
| 2026-08-10 | Olsem Patricia Q | officer | Sale | 300 @ $233.73 | $70K | −5.9% of holding | −13.4% | not yet — horizon still open | 4,774 | Form 4 · filed 2 days after the trade |
| 2026-02-05 | PENDARVIS DAVID | director | Purchase | 424 @ $247.15 | $105K | +6.5% of holding | −9.1% | −21.0% | 6,898 | Form 4 · filed 1 day after the trade |
| 2025-10-30 | PENDARVIS DAVID | director | Purchase | 523 @ $196.37 | $103K | +9.8% of holding | +1.7% | +0.3% | 5,862 | Form 4 · filed same day |
| 2025-10-30 | Etchart Eric | director | Purchase | 500 @ $194.02 | $97K | +6.4% of holding | +1.7% | +0.3% | 8,370 | Form 4 · filed same day |
| 2025-10-28 | Brass Steven A | director | Purchase | 362 @ $200.46 | $73K | +1.1% of holding | −1.5% | −0.3% | 33,761 | Form 4 · filed 1 day after the trade |
| 2025-10-28 | HYZER SARA KATHLEEN | officer | Purchase | 200 @ $200.46 | $40K | +3.5% of holding | −1.5% | −0.3% | 5,935 | Form 4 · filed 1 day after the trade |
| 2025-10-28 | KIAMILEV PHENIX Q. | officer | Purchase | 55 @ $200.46 | $11K | +1.3% of holding | −1.5% | −0.3% | 4,303 | Form 4 · filed 1 day after the trade |
| 2025-10-27 | CARTER DANIEL T | director | Purchase | 1,000 @ $199.37 | $199K | +16.1% of holding | +1.3% | +5.9% | 7,205 | Form 4 · filed same day |
| 2025-04-11 | HYZER SARA KATHLEEN | officer | Purchase | 256 @ $222.83 | $57K | +6.7% of holding | −1.5% | −37.4% | 4,072 | Form 4 · filed 4 days after the trade |
The vs-S&P columns are a labeled look-back on what the stock did after each filing, measured against the index over the same window. Descriptive history, not a claim about the person or a reason to trade.
88 award / exercise / gift records — not counted as purchases
Awards, option exercises, gifts and tax-withholding disposals are shown separately and never counted as open-market purchases or sales — they carry no conviction information.
| Date | Person | Role | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-02-18 | Plunk Ken Allen | director | Award / grant | 515 | 515 | Form 4 |
| 2026-02-18 | Plunk Ken Allen | director | Award / grant | 515 | 515 | Form 4 |
| 2025-12-12 | Etchart Eric | director | Award / grant | 367 | 9,349 | Form 4 |
| 2025-12-12 | Burks Cynthia | director | Award / grant | 612 | 1,903 | Form 4 |
| 2025-12-12 | Monteagudo Graciela | director | Award / grant | 612 | 2,873 | Form 4 |
| 2025-12-12 | Saunders Anne | director | Award / grant | 612 | 3,363 | Form 4 |
| 2025-12-12 | PENDARVIS DAVID | director | Award / grant | 612 | 6,474 | Form 4 |
| 2025-12-12 | Magee Edward O Jr | director | Award / grant | 612 | 2,613 | Form 4 |
| 2025-12-12 | Saunders Anne | director | Award / grant | 612 | 3,363 | Form 4 |
| 2025-12-12 | PENDARVIS DAVID | director | Award / grant | 612 | 6,474 | Form 4 |
| 2025-12-12 | Lee Lara L | director | Award / grant | 612 | 2,503 | Form 4 |
| 2025-12-12 | Magee Edward O Jr | director | Award / grant | 612 | 2,613 | Form 4 |
| 2025-12-12 | Monteagudo Graciela | director | Award / grant | 612 | 2,873 | Form 4 |
| 2025-12-12 | Etchart Eric | director | Award / grant | 612 | 8,982 | Form 4 |
| 2025-12-12 | Etchart Eric | director | Award / grant | 367 | 9,349 | Form 4 |
| 2025-12-12 | Lee Lara L | director | Award / grant | 612 | 2,503 | Form 4 |
| 2025-12-12 | Burks Cynthia | director | Award / grant | 612 | 1,903 | Form 4 |
| 2025-12-12 | CARTER DANIEL T | director | Award / grant | 612 | 7,817 | Form 4 |
| 2025-12-12 | CARTER DANIEL T | director | Award / grant | 612 | 7,817 | Form 4 |
| 2025-12-12 | Etchart Eric | director | Award / grant | 612 | 8,982 | Form 4 |
| 2025-10-27 | LINDEMAN JEFFREY G | officer | Withheld for tax | 294 | 4,900 | Form 4 |
| 2025-10-27 | NOBLE WILLIAM B | officer | Withheld for tax | 258 | 7,741 | Form 4 |
| 2025-10-27 | NOBLE WILLIAM B | officer | Withheld for tax | 316 | 8,097 | Form 4 |
| 2025-10-27 | Olsem Patricia Q | officer | Withheld for tax | 335 | 5,475 | Form 4 |
| 2025-10-27 | Olsem Patricia Q | officer | Withheld for tax | 401 | 5,074 | Form 4 |
| 2025-10-27 | Olsem Patricia Q | officer | Withheld for tax | 335 | 5,475 | Form 4 |
| 2025-10-27 | Olsem Patricia Q | officer | Withheld for tax | 401 | 5,074 | Form 4 |
| 2025-10-27 | NOBLE WILLIAM B | officer | Withheld for tax | 258 | 7,741 | Form 4 |
| 2025-10-27 | NOBLE WILLIAM B | officer | Withheld for tax | 316 | 8,097 | Form 4 |
| 2025-10-27 | LINDEMAN JEFFREY G | officer | Withheld for tax | 260 | 5,194 | Form 4 |
| 2025-10-27 | LINDEMAN JEFFREY G | officer | Withheld for tax | 260 | 5,194 | Form 4 |
| 2025-10-27 | Brass Steven A | director | Withheld for tax | 2,380 | 35,371 | Form 4 |
| 2025-10-27 | LINDEMAN JEFFREY G | officer | Withheld for tax | 294 | 4,900 | Form 4 |
| 2025-10-27 | Brass Steven A | director | Withheld for tax | 1,972 | 33,399 | Form 4 |
| 2025-10-27 | HYZER SARA KATHLEEN | officer | Withheld for tax | 533 | 6,190 | Form 4 |
| 2025-10-27 | HYZER SARA KATHLEEN | officer | Withheld for tax | 455 | 5,735 | Form 4 |
| 2025-10-27 | KIAMILEV PHENIX Q. | officer | Withheld for tax | 267 | 4,542 | Form 4 |
| 2025-10-27 | KIAMILEV PHENIX Q. | officer | Withheld for tax | 294 | 4,248 | Form 4 |
| 2025-10-27 | HYZER SARA KATHLEEN | officer | Withheld for tax | 455 | 5,735 | Form 4 |
| 2025-10-27 | HYZER SARA KATHLEEN | officer | Withheld for tax | 533 | 6,190 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Across 2012–2021, stocks where a CEO, C-suite officer, or director had recently made an open-market common-stock purchase ran about +28 bp per month above the universe average (n=34,268 stock-weeks). A historical tendency, not a prediction.
Congressional disclosures
No congressional trades disclosed for this company.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.