DCIDonaldson Company, Inc.Industrials · Industrial - Machineryas of 2026-09-16
Horizon

Issued 2026-09-16 at $86.33 · now $86.33 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, DCI has typically landed between $78.75 and $95.01 — a range of −8.8% to +10.1% from the issuance price $86.33.

Range of outcomes in historically similar periods — not a price prediction. Ranges are scored publicly on /methodology.
  • 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 ($86.33) — 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 DCI has typically landed a month from the 2026-09-16 close of $86.33 — the range is history, not a prediction.

$78.75worst · -8.8%$95.01best · +10.1%
  • now $86.33 (+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). $87.29 (+1.1%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $84.23–$90.34
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $78.75–$95.01
Actual 1-month windows behind the coneiEvery overlapping 1-month window in this security's own price history was ranked by realized return; shown are the 3 worst and 3 best of 5,003 windows spanning 2006-09-26 to 2026-09-16. Not cherry-picked — these are the extremes of the full sample. Max drop / max rise are the deepest and highest points reached within each window. See /methodology.
StartReturnMax dropMax rise
3 worst
2020-02-21−35.7%−35.7%+0.0%
2008-09-26−33.1%−33.1%+0.0%
2008-09-25−32.9%−32.9%+0.0%
3 best
2009-03-05+30.8%−3.9%+30.8%
2009-03-09+30.5%+0.0%+36.2%
2009-03-06+29.6%−2.7%+32.4%

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.
Jan
55%
+0.6%
n=20
Feb
55%
−0.9%
n=20
Mar
50%
+0.5%
n=20
Apr
50%
+2.5%
n=20
May
60%
+1.0%
n=20
Jun
50%
−0.3%
n=20
Jul
80%
+2.7%
n=20
Aug
50%
+0.9%
n=20
Sep
35%
−1.0%
n=20
Oct
70%
+1.5%
n=20
Nov
80%
+5.4%
n=20
Dec
40%
−0.8%
n=20

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.

Share price & reported tradesMonthly open-market valueReporting lag — trade date to filing date2026-092026-082026-072026-062026-052026-042026-032026-022026-012025-122025-112025-102025-092025-08$110$732026-09-04: 1 insider sale, $2.9M — Carpenter Tod E.2026-08-31: 1 insider sale, $276K — Carpenter Tod E.2026-04-14: 2 insider sales, $1.2M — Owens James …2026-04-13: 1 insider sale, $527K — Owens James2026-04-10: 1 insider sale, $11K — Owens James2026-03-26: 2 insider sales, $1.8M — Briseno Guillermo …2025-12-09: 1 insider sale, $52K — Pogalz Bradley J.2025-12-05: 2 insider sales, $1.8M — Rajendra Ajita G …2025-09-03: 1 insider sale, $1.1M — Briseno Guillermo2025-08-28: 5 insider sales, $12.4M — Carpenter Tod E., Becker Amy C, Rautio Trudy A., Dahlgren Andrew C …2025-08: 5 open-market sales, $12.4M2025-09: 1 open-market sale, $1.1M2025-12: 3 open-market sales, $1.9M2026-03: 2 open-market sales, $1.8M2026-04: 4 open-market sales, $1.8M2026-08: 1 open-market sale, $276K2026-09: 1 open-market sale, $2.9M↑ buys↓ salesdirector Carpenter Tod E. — Sale on 2026-09-04, filed 6 days after the tradedirector Carpenter Tod E. — Sale on 2026-08-31, filed 1 day after the tradedirector Owens James — Sale on 2026-04-14, filed same daydirector Owens James — Sale on 2026-04-14, filed same daydirector Owens James — Sale on 2026-04-13, filed 1 day after the tradedirector Owens James — Sale on 2026-04-10, filed 4 days after the tradeofficer Briseno Guillermo — Sale on 2026-03-26, filed 1 day after the tradeofficer Briseno Guillermo — Sale on 2026-03-26, filed 1 day after the tradeofficer Pogalz Bradley J. — Sale on 2025-12-09, filed 1 day after the tradedirector Rajendra Ajita G — Sale on 2025-12-05, filed 3 days after the tradedirector Rajendra Ajita G — Sale on 2025-12-05, filed 3 days after the tradeofficer Briseno Guillermo — Sale on 2025-09-03, filed 1 day after the tradedirector Carpenter Tod E. — Sale on 2025-08-28, filed 5 days after the tradedirector Becker Amy C — Sale on 2025-08-28, filed 5 days after the tradedirector Rautio Trudy A. — Sale on 2025-08-28, filed 5 days after the tradedirector Rautio Trudy A. — Sale on 2025-08-28, filed 5 days after the tradeofficer Dahlgren Andrew C — Sale on 2025-08-28, filed 5 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-09-04Carpenter Tod E.directorSale31,968 @ $91.10$2.9M−9.7% of holdingnot yet — horizon still opennot yet — horizon still open298,699Form 4 · filed 6 days after the trade
2026-08-31Carpenter Tod E.directorSale3,032 @ $91.00$276K−1.0% of holdingnot yet — horizon still opennot yet — horizon still open298,699Form 4 · filed 1 day after the trade
2026-04-14Owens JamesdirectorSale7,153 @ $89.21$638K−24.1% of holding−12.8%not yet — horizon still open22,565Form 4 · filed same day
2026-04-14Owens JamesdirectorSale6,600 @ $89.21$589K−22.6% of holding−12.8%not yet — horizon still open22,565Form 4 · filed same day
2026-04-13Owens JamesdirectorSale5,921 @ $89.02$527K−20.8% of holding−12.2%not yet — horizon still open22,565Form 4 · filed 1 day after the trade
2026-04-10Owens JamesdirectorSale126 @ $88.82$11K−0.6% of holding−12.3%not yet — horizon still open22,565Form 4 · filed 4 days after the trade
2026-03-26Briseno GuillermoofficerSale12,000 @ $84.97$1.0M−29.1% of holding−4.9%not yet — horizon still open29,267Form 4 · filed 1 day after the trade
2026-03-26Briseno GuillermoofficerSale8,600 @ $84.97$731K−22.7% of holding−4.9%not yet — horizon still open29,267Form 4 · filed 1 day after the trade
2025-12-09Pogalz Bradley J.officerSale566 @ $91.57$52K−56.6% of holding+3.4%−13.7%434Form 4 · filed 1 day after the trade
2025-12-05Rajendra Ajita GdirectorSale13,200 @ $92.04$1.2M−23.1% of holding−2.3%−14.6%43,993Form 4 · filed 3 days after the trade
2025-12-05Rajendra Ajita GdirectorSale6,600 @ $92.04$607K−13.0% of holding−2.3%−14.6%43,993Form 4 · filed 3 days after the trade
2025-09-03Briseno GuillermoofficerSale13,500 @ $79.03$1.1M−34.8% of holding−0.4%+9.4%25,309Form 4 · filed 1 day after the trade
2025-08-28Carpenter Tod E.directorSale100,500 @ $80.62$8.1M−26.4% of holding−1.2%+13.8%280,261Form 4 · filed 5 days after the trade
2025-08-28Becker Amy CdirectorSale18,500 @ $81.71$1.5M−29.3% of holding−1.2%+13.8%44,645Form 4 · filed 5 days after the trade
2025-08-28Rautio Trudy A.directorSale18,700 @ $79.96$1.5M−38.9% of holding−1.2%+13.8%29,330Form 4 · filed 5 days after the trade
2025-08-28Rautio Trudy A.directorSale13,200 @ $79.96$1.1M−31.0% of holding−1.2%+13.8%29,330Form 4 · filed 5 days after the trade
2025-08-28Dahlgren Andrew CofficerSale3,000 @ $81.96$246K−28.6% of holding−1.2%+13.8%7,504Form 4 · filed 5 days after the trade
2025-07-10Carpenter Tod E.directorSale45,808 @ $71.71$3.3M−14.0% of holding−1.1%+20.0%280,261Form 4 · filed same day
2025-07-09Carpenter Tod E.directorSale2,159 @ $71.00$153K−0.8% of holding+0.4%+18.3%280,261Form 4 · filed 1 day after the trade
2025-07-08Carpenter Tod E.directorSale12,033 @ $71.07$855K−4.1% of holding+0.1%+19.2%280,261Form 4 · filed 2 days after the trade
2025-06-04OBERTON WILLARD DdirectorSale7,000 @ $69.51$487K−19.1% of holding−3.1%+11.7%29,661Form 4 · filed 1 day after the trade
2025-04-10Owens JamesdirectorSale18,700 @ $62.02$1.2M−48.0% of holding+2.1%+4.4%20,246Form 4 · filed 1 day after the trade
2025-03-17SCALF THOMAS RofficerSale28,500 @ $69.22$2.0M−50.1% of holding−3.4%+1.1%28,334Form 4 · filed 1 day after the trade
2025-03-05OBERTON WILLARD DdirectorSale7,000 @ $68.22$478K−19.1% of holding+0.3%+6.2%29,599Form 4 · filed same day
2025-02-28SCALF THOMAS RofficerSale29,500 @ $68.89$2.0M−51.0% of holding+2.6%+7.1%28,334Form 4 · filed 3 days after the trade
2025-01-02OBERTON WILLARD DdirectorSale2,000 @ $67.95$136K−6.6% of holding+1.0%−0.9%28,137Form 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.

142 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.

DatePersonRoleActionSharesOwned afterFiling
2026-09-04Carpenter Tod E.directorOption exercise31,968330,667Form 4
2026-09-04Carpenter Tod E.directorOption exercise31,968131,500Form 4
2026-08-31Carpenter Tod E.directorOption exercise3,032301,731Form 4
2026-08-31Carpenter Tod E.directorOption exercise3,032163,468Form 4
2026-08-27Pogalz Bradley J.officerWithheld for tax2,1291,305Form 4
2026-08-27Pogalz Bradley J.officerOption exercise3,0003,434Form 4
2026-08-27Pogalz Bradley J.officerOption exercise3,0000Form 4
2026-07-03Hilger Christopher M.directorAward / grant40016,244Form 4
2026-07-03Rautio Trudy A.directorAward / grant33428,106Form 4
2026-07-03Owens JamesdirectorAward / grant26722,913Form 4
2026-07-03Smiley Jacinth CdirectorAward / grant2678,243Form 4
2026-04-14Owens JamesdirectorOption exercise6,60029,165Form 4
2026-04-14Owens JamesdirectorOption exercise7,15329,718Form 4
2026-04-14Owens JamesdirectorOption exercise6,6000Form 4
2026-04-14Owens JamesdirectorOption exercise7,1530Form 4
2026-04-13Owens JamesdirectorOption exercise5,92128,486Form 4
2026-04-13Owens JamesdirectorOption exercise5,9217,153Form 4
2026-04-10Owens JamesdirectorOption exercise12622,691Form 4
2026-04-10Owens JamesdirectorOption exercise12613,074Form 4
2026-04-03Hilger Christopher M.directorAward / grant41815,799Form 4
2026-04-03Rautio Trudy A.directorAward / grant34927,673Form 4
2026-04-03Owens JamesdirectorAward / grant27922,565Form 4
2026-04-03Smiley Jacinth CdirectorAward / grant2797,948Form 4
2026-03-26Briseno GuillermoofficerOption exercise12,00041,267Form 4
2026-03-26Briseno GuillermoofficerOption exercise8,60037,867Form 4
2026-03-26Briseno GuillermoofficerOption exercise12,0000Form 4
2026-03-26Briseno GuillermoofficerOption exercise8,6008,600Form 4
2026-03-02Lewis Richard BrentofficerAward / grant15,50015,500Form 4
2026-01-02Hilger Christopher M.directorAward / grant37514,442Form 4
2026-01-02Rautio Trudy A.directorAward / grant31127,235Form 4
2026-01-02Smiley Jacinth CdirectorAward / grant2507,644Form 4
2026-01-02Owens JamesdirectorAward / grant25022,215Form 4
2026-01-02Smiley Jacinth CdirectorAward / grant3,0003,000Form 4
2026-01-02Rajendra Ajita GdirectorAward / grant90044,997Form 4
2026-01-02Rajendra Ajita GdirectorAward / grant3,0003,000Form 4
2026-01-02Rautio Trudy A.directorAward / grant90026,924Form 4
2026-01-02Rautio Trudy A.directorAward / grant3,0003,000Form 4
2026-01-02Olson Richard MdirectorAward / grant9006,090Form 4
2026-01-02Olson Richard MdirectorAward / grant3,0003,000Form 4
2026-01-02Owens JamesdirectorAward / grant90021,965Form 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.