MTX Minerals Technologies (MTX) Insider Trading, Ownership & Congress Trades
Materials · Industrial inorganic chemicals · CIK 0000891014
Congress · 1
Insider buyers, 180 days
0
Funds added, last quarter
180
13F, latest reported quarter
Conversions, 180 days
1
Codes C/M, not in net · $1.7M priced
What the filings say about MTX
Insiders, 180 days
-$2.2M net sold
2 sellers · 0% of sales under a 10b5-1 plan
Congress, 1 year
1 bought · 1 sold
Latest: purchase, 2026-07-10
Minerals Technologies insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, MINERALS TECHNOLOGIES INC insiders sold a net $2.2M of stock across 43 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.
Insider
Filed
Shares
Value
Since filing
Context
- 5 earlier Form 4 trades (code P or S) here by this insider (1 buy, 4 sales), the last on Apr 30, 2025.
- The trade is 12.3% of the 175,973 shares held after it.
- 1 other insider sold within 30 days.
- 180 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CHAIRMAN AND CEO DIETRICH DOUGLAS T sold about $1.8M of MTX on May 14, 2026, the largest insider sale at the company since 2024; 1 other insider sold within 30 days and 180 funds added in the latest 13F quarter.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 469.1% of the 1,279 shares held after it.
- 1 other insider sold within 30 days.
- 180 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Vice President JORDAN TIMOTHY sold about $481.6K of MTX on May 11, 2026; 1 other insider sold within 30 days and 180 funds added in the latest 13F quarter.Context
- 8 earlier Form 4 trades (code P or S) here by this insider (8 sales), the last on Jun 24, 2024.
- The trade is 27.4% of the 84,349 shares held after it.
- No other insider sold within 30 days.
- 180 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Group President MONAGLE DJ III sold about $1.4M of MTX on Dec 29, 2025, the largest insider sale at the company since 2024; 180 funds added in the latest 13F quarter.Context
- 3 earlier Form 4 trades (code P or S) here by this insider (3 sales), the last on Jun 17, 2024.
- The trade is 23.6% of the 27,602 shares held after it.
- No other insider sold within 30 days.
- 180 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Group President ARGIRAKIS BRETT sold about $381.5K of MTX on Nov 21, 2025, the largest insider sale at the company since 2024; 180 funds added in the latest 13F quarter.Context
- 1 earlier Form 4 trade (code P or S) here by this insider (1 buy), the last on Mar 6, 2023.
- The trade is 31.0% of the 1,192 shares held after it.
- No other insider bought within 30 days.
- 180 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Motwani Rocky bought about $20.1K of MTX on Jun 16, 2025; 180 funds added in the latest 13F quarter.43 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
net -$2.2M over 180 days
below 77% of Materials
Congress
1 member bought in the last year
the lowest in Materials
Funds
180 funds bought in last quarter
more than 62% of Materials
Revenue
-2.2% year over year
below 63% of Materials
Margin
-0.9% net margin
below 55% of Materials
Buybacks
$7.1M repurchased, FY to 2026-07-05
below 79% of Materials
Short interest
2.8% of the float short (float per yahoo 2026-10-26) · 4.6 days to cover · settled 2026-09-30
below 66% of Materials
What changed in the last 30 days
Nothing new filed in the last 30 days
Watch MTX
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+2.1%12M
Insider sell
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns MTX: institutional holders (13F)
13F holdings, latest reported quarter
4,890,106 sh
$361.7M
4,637,632 sh
$343.0M
1,989,019 sh
$147.1M
1,930,086 sh
$142.8M
1,704,059 sh
$126.0M
Congress trades in MTX
STOCK Act disclosures, US House only, filed up to 45 days after the trade
Bought 2026-07-10 · disclosed 56 days later
$1,001 - $15,000
Sold 2026-01-05 · disclosed 39 days later
$1,001 - $15,000
Bought 2025-05-06 · disclosed 31 days later
$1,001 - $15,000
Sold 2024-06-21 · disclosed 18 days later
$1,001 - $15,000
Activist and 5% holders (13D/13G)
No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.
MTX planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
MTX mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
Invesco S&P SmallCap Materials ETF
$661.8K position · as of 2026-05-31
3.1%
Guardian Small-Mid Cap Core VIP Fund
$4.2M position · as of 2026-06-30
2.0%
DEAN SMALL CAP VALUE
$3.7M position · as of 2026-06-30
1.9%
NORTH SQUARE SMALL CAP VALUE FUND
$3.6M position · as of 2026-05-31
1.7%
Fidelity Series Small Cap Discovery Fund
$33.0M position · as of 2026-07-31
1.7%
Cromwell Greenspring Mid Cap Fund
$2.2M position · as of 2026-06-30
1.6%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Executive pay vs shareholder return · Douglas T. Dietrich
CEO pay, headline and as actually paid, against the company's
return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2023
$8.4M
$9.0M
$2.5M
+25%
+46%
2022
$7.4M
$6.2M
$1.9M
+6%
+50%
2021
$7.1M
$8.1M
$2.5M
+28%
+72%
2020
$6.1M
$6.6M
$2.2M
+8%
+25%
Tagged by the company under SEC Item 402(v). Returns are
cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $2.2M sold by insiders over 180 days, 180 funds added last quarter, 1 House member(s) bought in 12 months, disclosed weeks after the trade. Each figure is a federal filing, dated the day it went public.
MTX financials
Revenue growth
-2.2%
XBRL, annual
Net margin
-0.9%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$2.1B
four quarters, 2025-06-30 to 2026-07-05
Revenue, TTM MTX
| FY Dec 2025 | $2.1B |
| FY Dec 2024 | $2.1B |
| FY Dec 2023 | $2.2B |
| FY Dec 2022 | $2.1B |
| FY Dec 2021 | $1.9B |
| Jul 2026 | $548.4M |
| Apr 2026 | $546.9M |
| Dec 2025 | $519.5M |
| Sep 2025 | $532.4M |
| Jun 2025 | $528.9M |
| Mar 2025 | $491.8M |
| Dec 2024 | $518.1M |
| Sep 2024 | $524.7M |
At each fiscal year end
Single quarter
Net margin, TTM
-3.1%
net income over revenue, 2025-06-30 to 2026-07-05
Net margin, TTM MTX
| FY Dec 2025 | -0.9% |
| FY Dec 2024 | +7.9% |
| FY Dec 2023 | +3.9% |
| FY Dec 2022 | +5.7% |
| FY Dec 2021 | +8.8% |
| Jul 2026 | -33.5% |
| Apr 2026 | +6.6% |
| Dec 2025 | +7.2% |
| Sep 2025 | +8.1% |
| Jun 2025 | +8.6% |
| Mar 2025 | -29.3% |
| Dec 2024 | +10.4% |
| Sep 2024 | +8.9% |
At each fiscal year end
Single quarter
Free cash flow, TTM
$120.3M
operating cash flow minus capex, 2025-06-30 to 2026-07-05
Free cash flow, TTM MTX
| FY Dec 2025 | $86.6M |
| FY Dec 2024 | $146.9M |
| FY Dec 2023 | $140.1M |
| FY Dec 2022 | $23.4M |
| FY Dec 2021 | $146.4M |
| Jul 2026 | $35.8M |
| Apr 2026 | $9.0M |
| Dec 2025 | $31.9M |
| Sep 2025 | $43.6M |
| Jun 2025 | $33.8M |
| Mar 2025 | -$22.7M |
| Dec 2024 | $42.3M |
| Sep 2024 | $35.3M |
At each fiscal year end
Single quarter
Debt to equity
0.62x
long-term 2026-07-05 plus current 2026-07-05; equity 2026-07-05
Debt to equity MTX
| FY Dec 2025 | 0.56x |
| FY Dec 2024 | 0.55x |
| FY Dec 2023 | 0.56x |
| FY Dec 2022 | 0.60x |
| FY Dec 2021 | 0.61x |
| Jul 2026 | 0.62x |
| Apr 2026 | 0.56x |
| Dec 2025 | 0.56x |
| Sep 2025 | 0.58x |
| Jun 2025 | 0.58x |
| Mar 2025 | 0.60x |
| Dec 2024 | 0.55x |
| Sep 2024 | 0.54x |
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
0.24x
TTM operating cash flow over long-term 2026-07-05 plus current 2026-07-05
Cash flow to debt MTX
| FY Dec 2025 | 0.20x |
| FY Dec 2024 | 0.24x |
| FY Dec 2023 | 0.25x |
| FY Dec 2022 | 0.11x |
| FY Dec 2021 | 0.25x |
| Jul 2026 | 0.24x |
| Apr 2026 | 0.24x |
| Dec 2025 | 0.20x |
| Sep 2025 | 0.21x |
| Jun 2025 | 0.20x |
| Mar 2025 | 0.18x |
| Dec 2024 | 0.24x |
| Sep 2024 | 0.28x |
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
-4.2%
TTM net income over average of 2025-06-29 and 2026-07-05
Return on equity MTX
| FY Dec 2025 | -1.1% |
| FY Dec 2024 | +9.8% |
| FY Dec 2023 | +5.2% |
| FY Dec 2022 | +7.8% |
| FY Dec 2021 | +11.0% |
| Jul 2026 | -4.2% |
| Apr 2026 | +9.7% |
| Dec 2025 | -1.1% |
| Sep 2025 | -0.1% |
| Jun 2025 | +0.1% |
| Mar 2025 | -1.4% |
| Dec 2024 | +9.8% |
| Sep 2024 | +9.3% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
-1.9%
TTM net income over average of 2025-06-29 and 2026-07-05
Return on assets MTX
| FY Dec 2025 | -0.5% |
| FY Dec 2024 | +5.0% |
| FY Dec 2023 | +2.5% |
| FY Dec 2022 | +3.6% |
| FY Dec 2021 | +5.0% |
| Jul 2026 | -1.9% |
| Apr 2026 | +4.7% |
| Dec 2025 | -0.5% |
| Sep 2025 | -0.0% |
| Jun 2025 | +0.1% |
| Mar 2025 | -0.7% |
| Dec 2024 | +5.0% |
| Sep 2024 | +4.5% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on invested capital MTX
| FY Dec 2025 | n/a |
| FY Dec 2024 | +9.0% |
| FY Dec 2023 | +5.9% |
| FY Dec 2022 | +7.7% |
| FY Dec 2021 | +9.2% |
| Jul 2026 | n/a |
| Apr 2026 | +8.9% |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | +9.0% |
| Sep 2024 | +8.8% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
-1.0%
operating income (EBIT proxy) over average of 2025-06-29 and 2026-07-05 minus current liabilities
Return on capital employed MTX
| FY Dec 2025 | +1.6% |
| FY Dec 2024 | +9.7% |
| FY Dec 2023 | +5.9% |
| FY Dec 2022 | +7.3% |
| FY Dec 2021 | +8.0% |
| Jul 2026 | -1.0% |
| Apr 2026 | +9.3% |
| Dec 2025 | +1.6% |
| Sep 2025 | +2.4% |
| Jun 2025 | +2.6% |
| Mar 2025 | +1.8% |
| Dec 2024 | +9.7% |
| Sep 2024 | +9.3% |
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
P/E, trailing MTX
| FY Dec 2025 | n/a |
| FY Dec 2024 | 14.71x |
| FY Dec 2023 | 27.53x |
| FY Dec 2022 | 16.32x |
| FY Dec 2021 | 15.08x |
| Jul 2026 | n/a |
| Apr 2026 | 13.46x |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | 925.17x |
| Mar 2025 | n/a |
| Dec 2024 | 14.71x |
| Sep 2024 | 16.04x |
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
$2.6B
market value at close 2026-10-26 on 2026-07-22 shares, plus long-term 2026-07-05 plus current 2026-07-05, minus cash 2026-07-05
Enterprise value MTX
| FY Dec 2025 | $2.5B |
| FY Dec 2024 | $3.1B |
| FY Dec 2023 | $2.9B |
| FY Dec 2022 | $2.7B |
| FY Dec 2021 | $3.1B |
| Jul 2026 | $2.9B |
| Apr 2026 | $2.8B |
| Dec 2025 | $2.5B |
| Sep 2025 | $2.6B |
| Jun 2025 | $2.4B |
| Mar 2025 | $2.7B |
| Dec 2024 | $3.1B |
| Sep 2024 | $3.0B |
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
+6.2%
TTM free cash flow over market value at close 2026-10-26
FCF yield MTX
| FY Dec 2025 | +4.6% |
| FY Dec 2024 | +6.0% |
| FY Dec 2023 | +6.0% |
| FY Dec 2022 | +1.2% |
| FY Dec 2021 | +6.0% |
| Jul 2026 | +5.2% |
| Apr 2026 | +5.5% |
| Dec 2025 | +4.6% |
| Sep 2025 | +5.0% |
| Jun 2025 | +5.0% |
| Mar 2025 | +4.2% |
| Dec 2024 | +6.0% |
| Sep 2024 | +7.3% |
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
PEG, trailing MTX
| FY Dec 2025 | n/a |
| FY Dec 2024 | 0.15x |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | 0.32x |
| Jul 2026 | n/a |
| Apr 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | 0.15x |
| Sep 2024 | 0.12x |
At each fiscal year end
Trailing four quarters at each quarter end
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
| 2025-12 | 2024-12 | 2023-12 | 2022-12 | |
|---|---|---|---|---|
| Revenue | $2.1B | $2.1B | $2.2B | $2.1B |
| Gross profit | $518.0M | $547.7M | $507.1M | $465.0M |
| Operating income | $47.4M | $286.5M | $171.8M | $214.8M |
| Net income | -$18.4M | $167.1M | $84.1M | $122.2M |
| EPS (diluted) | -0.59 | 5.17 | 2.58 | 3.73 |
| Operating cash flow | $193.7M | $236.4M | $233.6M | $105.7M |
| Cash | $329.0M | $333.1M | $317.2M | $247.2M |
| Long-term debt | $955.0M | $959.6M | $911.1M | $928.1M |
| Buybacks | $58.5M | $63.6M | $14.2M | $56.0M |
| Dividends paid | $14.2M | $13.2M | $8.1M | $6.5M |
SEC XBRL, fiscal years, as known on 2026-10-28
MTX Stock Sonar score 6/7 axes
Find similar shapesCompareMTX ranks highest on risk and compliance (70th percentile) and financial health (57th), and lowest on insider conviction (11th), among Materials peers.
6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
MTX filings, in plain words
Are Minerals Technologies insiders buying or selling MTX?
In the 180 days to 2026-10-28, Minerals Technologies insiders were net sellers, a net $2.2M across purchases and sales reported on Form 4, by 2 sellers.
Have members of Congress traded MTX?
Yes. In the year to 2026-10-28, 1 House member disclosed buying MTX and 1 House member disclosed selling it; the latest on record is a purchase by Gilbert Cisneros dated 2026-07-10.
Read the full summary
In the 180 days to 2026-10-28, Minerals Technologies insiders were net sellers of MTX, a net $2.2M across purchases and sales reported on Form 4 by 2 sellers. In the year to 2026-10-28, 1 member of Congress disclosed buying MTX and 1 member disclosed selling it; the latest on record is a purchase by Gilbert Cisneros dated 2026-07-10. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.
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