KNFKnife River CorporationBasic Materials · Construction Materialsas of 2026-09-16
Horizon

Issued 2026-09-16 at $55.62 · now $55.62 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, KNF has typically landed between $46.98 and $65.94 — a range of −15.5% to +18.6% from the issuance price $55.62.

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

809 overlapping 1 month windows · 2023-05-252026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.756.1%, ≈1,408 obs).

The cone is anchored at the 2026-09-16 issuance close ($55.62) — 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 KNF has typically landed a month from the 2026-09-16 close of $55.62 — the range is history, not a prediction.

$46.98worst · -15.5%$65.94best · +18.6%
  • now $55.62 (+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). $56.73 (+2.0%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $52.75$60.71
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $46.98$65.94
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 809 windows spanning 2023-05-25 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
2025-05-20−22.1%−22.1%+0.0%
2026-08-03−21.6%−21.6%+0.0%
2025-05-19−21.4%−21.4%+0.0%
3 best
2026-01-30+31.6%+0.0%+39.9%
2026-01-27+30.3%−2.1%+37.0%
2026-01-28+29.1%−2.6%+36.3%

809 overlapping windows · 2023-05-252026-09-16 · 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 ~4 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
33%
−1.2%
n=3
Feb
67%
+12.7%
n=3
Mar
33%
−1.5%
n=3
Apr
67%
+4.4%
n=3
May
33%
−8.0%
n=3
Jun
50%
+2.8%
n=4
Jul
50%
+0.5%
n=4
Aug
25%
+0.4%
n=4
Sep
25%
−2.0%
n=4
Oct
67%
−3.1%
n=3
Nov
100%
+16.2%
n=3
Dec
33%
+1.0%
n=3

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$95$56↑ buys↓ sales
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling

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.

43 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
2026-06-30Fagg Karen BdirectorAward / grant1971,259Form 4
2026-05-20Carmona-Alvarez GermandirectorAward / grant2,0409,025Form 4
2026-05-20Chiodo PatriciadirectorAward / grant2,0405,553Form 4
2026-05-20Fagg Karen BdirectorAward / grant2,38033,317Form 4
2026-05-20Hill Thomas W.directorAward / grant2,0405,496Form 4
2026-05-20MOSS PATRICIA LdirectorAward / grant2,04031,874Form 4
2026-05-20SANDBROOK WILLIAM JdirectorAward / grant2,0407,735Form 4
2026-03-31Fagg Karen BdirectorAward / grant2221,062Form 4
2026-03-06Gray Brian R.directorAward / grant20,95584,747Form 4
2026-03-04Liepitz Karl AofficerAward / grant4,61144,312Form 4
2026-03-04Ring Nathan WofficerAward / grant5,21130,530Form 4
2026-03-04LaChapelle Sarah L.officerAward / grant2,7134,578Form 4
2026-03-04Hastings Trevor JofficerAward / grant6,13046,760Form 4
2026-03-04Pladsen Glenn R.officerAward / grant2,95022,094Form 4
2026-03-04Kadrmas Marney L.officerAward / grant1,1994,917Form 4
2026-02-12Gray Brian R.directorWithheld for tax19,57263,792Form 4
2026-02-12Gray Brian R.directorWithheld for tax10,07283,364Form 4
2026-02-12Liepitz Karl AofficerWithheld for tax8,64839,701Form 4
2026-02-12Hastings Trevor JofficerWithheld for tax4,59940,630Form 4
2026-02-12Ring Nathan WofficerWithheld for tax4,33625,319Form 4
2026-02-12Hastings Trevor JofficerWithheld for tax2,88045,229Form 4
2026-02-12Ring Nathan WofficerWithheld for tax1,92229,655Form 4
2026-02-12Pladsen Glenn R.officerWithheld for tax1,56919,144Form 4
2026-02-12Pladsen Glenn R.officerWithheld for tax1,38520,713Form 4
2026-02-12Kadrmas Marney L.officerWithheld for tax1,2323,718Form 4
2025-05-22Chiodo PatriciadirectorAward / grant1,5513,513Form 4
2025-05-22MOSS PATRICIA LdirectorAward / grant1,55129,834Form 4
2025-05-22Fagg Karen BdirectorAward / grant1,81030,937Form 4
2025-05-22SANDBROOK WILLIAM JdirectorAward / grant1,5515,695Form 4
2025-05-22Carmona-Alvarez GermandirectorAward / grant1,5516,985Form 4
2025-05-22Hill Thomas W.directorAward / grant1,5513,456Form 4
2025-02-28Gray Brian R.directorAward / grant12,59993,436Form 4
2025-02-27Liepitz Karl AofficerWithheld for tax7,08348,349Form 4
2025-02-27Hastings Trevor JofficerWithheld for tax4,01648,109Form 4
2025-02-27Ring Nathan WofficerWithheld for tax1,69831,577Form 4
2025-02-27Christenson Nancy K.officerWithheld for tax1,58325,776Form 4
2025-02-27Pladsen Glenn R.officerWithheld for tax1,29222,098Form 4
2025-02-27Kadrmas Marney L.officerAward / grant7094,950Form 4
2025-02-27Hastings Trevor JofficerAward / grant3,11452,125Form 4
2025-02-27Liepitz Karl AofficerAward / grant2,77055,432Form 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.