MTXMinerals Technologies Inc.Basic Materials · Chemicals - Specialtyas of 2026-09-16
Horizon

Issued 2026-09-16 at $68.92 · now $68.92 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, MTX has typically landed between $61.11 and $77.54 — a range of −11.3% to +12.5% from the issuance price $68.92.

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 ($68.92) — 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 MTX has typically landed a month from the 2026-09-16 close of $68.92 — the range is history, not a prediction.

$61.11worst · -11.3%$77.54best · +12.5%
  • now $68.92 (+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). $69.03 (+0.2%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $65.21–$72.86
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $61.11–$77.54
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
2020-02-18−47.6%−47.6%+1.3%
2020-02-20−45.6%−48.2%+0.0%
2020-02-21−45.2%−47.8%+0.0%
3 best
2016-02-02+39.8%+0.0%+39.8%
2016-02-04+37.0%+0.0%+37.0%
2016-02-03+37.0%+0.0%+37.0%

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
40%
−1.4%
n=20
Feb
65%
+1.3%
n=20
Mar
60%
+1.7%
n=20
Apr
60%
+2.0%
n=20
May
65%
+1.9%
n=20
Jun
40%
−2.1%
n=20
Jul
60%
+2.6%
n=20
Aug
45%
−1.5%
n=20
Sep
55%
−1.3%
n=20
Oct
60%
+3.0%
n=20
Nov
80%
+4.1%
n=20
Dec
60%
−0.5%
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$83$552026-05-14: 1 insider sale, $1.8M — DIETRICH DOUGLAS T2026-05-11: 1 insider sale, $482K — JORDAN TIMOTHY2025-12-29: 1 insider sale, $1.4M — MONAGLE DJ III2025-11-21: 1 insider sale, $381K — ARGIRAKIS BRETT2025-11: 1 open-market sale, $381K2025-12: 1 open-market sale, $1.4M2026-05: 2 open-market sales, $2.2M↑ buys↓ salesdirector DIETRICH DOUGLAS T — Sale on 2026-05-14, filed 4 days after the tradeofficer JORDAN TIMOTHY — Sale on 2026-05-11, filed 2 days after the tradeofficer MONAGLE DJ III — Sale on 2025-12-29, filed 2 days after the tradeofficer ARGIRAKIS BRETT — Sale on 2025-11-21, filed 4 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-05-14DIETRICH DOUGLAS TdirectorSale21,568 @ $81.53$1.8M−10.9% of holding−3.5%not yet — horizon still open175,973Form 4 · filed 4 days after the trade
2026-05-11JORDAN TIMOTHYofficerSale6,000 @ $80.27$482K−82.4% of holding−3.4%not yet — horizon still open1,279Form 4 · filed 2 days after the trade
2025-12-29MONAGLE DJ IIIofficerSale23,093 @ $61.90$1.4M−21.5% of holding+4.1%+10.1%84,349Form 4 · filed 2 days after the trade
2025-11-21ARGIRAKIS BRETTofficerSale6,501 @ $58.68$381K−19.1% of holding−0.9%+19.3%27,602Form 4 · filed 4 days after the trade
2025-06-16Motwani RockydirectorPurchase370 @ $54.31$20K+45.0% of holding+0.8%+0.8%1,192Form 4 · filed 1 day after the trade
2025-05-02JOHNSON KRISTINA MdirectorPurchase1,000 @ $53.79$54K+250.0% of holding+3.4%−13.3%1,400Form 4 · filed 3 days after the trade
2025-04-30DIETRICH DOUGLAS TdirectorPurchase2,000 @ $51.56$103K+1.3% of holding+4.0%−17.5%161,675Form 4 · filed 1 day after the trade
2025-04-30ALDAG ERIKofficerPurchase1,000 @ $50.37$50K+30.8% of holding+4.0%−17.5%4,245Form 4 · filed 1 day 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.

274 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
2026-09-04Motwani RockydirectorAward / grant148,119Form 4
2026-09-04JOHNSON KRISTINA MdirectorAward / grant106,008Form 4
2026-09-04ROBINSON MARC EdirectorAward / grant4526,960Form 4
2026-09-04Breunig Joseph C.directorAward / grant3621,600Form 4
2026-09-04CARMOLA JOHN JdirectorAward / grant4728,001Form 4
2026-09-04CLARK ROBERT LdirectorAward / grant5633,758Form 4
2026-09-04PITTMAN CAROLYN KdirectorAward / grant3520,785Form 4
2026-07-01PITTMAN CAROLYN KdirectorAward / grant9920,750Form 4
2026-06-18Breunig Joseph C.directorAward / grant3321,563Form 4
2026-06-18CARMOLA JOHN JdirectorAward / grant4327,954Form 4
2026-06-18ROBINSON MARC EdirectorAward / grant4126,915Form 4
2026-06-18PITTMAN CAROLYN KdirectorAward / grant3120,651Form 4
2026-06-18Motwani RockydirectorAward / grant128,105Form 4
2026-06-18JOHNSON KRISTINA MdirectorAward / grant95,998Form 4
2026-06-18CLARK ROBERT LdirectorAward / grant5133,702Form 4
2026-05-20PITTMAN CAROLYN KdirectorAward / grant1,90820,619Form 4
2026-05-20ROBINSON MARC EdirectorAward / grant1,90826,874Form 4
2026-05-20Motwani RockydirectorAward / grant1,9088,093Form 4
2026-05-20JOHNSON KRISTINA MdirectorAward / grant1,9085,989Form 4
2026-05-20CARMOLA JOHN JdirectorAward / grant1,90827,912Form 4
2026-05-20CLARK ROBERT LdirectorAward / grant1,90833,650Form 4
2026-05-20Breunig Joseph C.directorAward / grant1,90821,531Form 4
2026-05-14DIETRICH DOUGLAS TdirectorOption exercise21,568197,541Form 4
2026-05-14DIETRICH DOUGLAS TdirectorOption exercise21,5680Form 4
2026-04-01PITTMAN CAROLYN KdirectorAward / grant10218,711Form 4
2026-04-01FEDER FRANKLINdirectorAward / grant23923,223Form 4
2026-03-06Deans Alison AnndirectorAward / grant2715,439Form 4
2026-03-06PITTMAN CAROLYN KdirectorAward / grant3318,609Form 4
2026-03-06ROBINSON MARC EdirectorAward / grant4424,965Form 4
2026-03-06CARMOLA JOHN JdirectorAward / grant4626,004Form 4
2026-03-06CLARK ROBERT LdirectorAward / grant5631,742Form 4
2026-03-06Motwani RockydirectorAward / grant116,185Form 4
2026-03-06FEDER FRANKLINdirectorAward / grant4122,984Form 4
2026-03-06JOHNSON KRISTINA MdirectorAward / grant74,081Form 4
2026-03-06Breunig Joseph C.directorAward / grant3519,622Form 4
2026-01-26DIETRICH DOUGLAS TdirectorWithheld for tax6,152175,973Form 4
2026-01-26MONAGLE DJ IIIofficerWithheld for tax1,94789,073Form 4
2026-01-26Hastings Jonathan JofficerWithheld for tax1,32763,811Form 4
2026-01-26ARGIRAKIS BRETTofficerWithheld for tax1,16332,600Form 4
2026-01-26ALDAG ERIKofficerWithheld for tax1,0196,959Form 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.