Insider · CIK 0001422965
Dj Monagle III
Files at MTX (MINERALS TECHNOLOGIES INC). First filing Dec 22, 2023, latest Dec 31, 2025.
In brief
Dj Monagle III files SEC Form 4 as president at MTX (MINERALS TECHNOLOGIES INC). Since Dec 22, 2023, Dj Monagle III has reported 0 open-market buys worth $0 and 4 open-market sells worth $3.7M, the latest filed on Dec 31, 2025.
A track record needs three past buys with six months of prices behind them; Dj Monagle III has 0, so none is measured yet.
The newest scored trade: sold $1.4M of MTX on Dec 29, 2025, filed Dec 31, 2025, scored 35 (weak). In the last 12 months: 0 buys worth $0 and 1 sell worth $1.4M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
MTX: MINERALS TECHNOLOGIES INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 35Weak | MTXsell MINERALS TECHNOLOGIES INC | $1.4M 23,093 shares | -21% | +23% from low-19% from high | |
| 50Moderate | MINERALS TECHNOLOGIES INC | $1.2M 14,229 shares | -15% | +72% from low-4% from high | |
| 14Weak | MTXsell MINERALS TECHNOLOGIES INC | $87k 1,180 shares | -1% | +54% from low-0% from high | |
| 50Moderate | MINERALS TECHNOLOGIES INC | $994k 14,598 shares | -16% | +39% from low-6% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Dec 29, 2025 | MTX MINERALS TECHNOLOGIES INC | 23,093 0.07% of outstanding | $1.4M | Dec 29, 2025 | none |
| Jun 24, 2024 | MTX MINERALS TECHNOLOGIES INC. | 14,229 0.04% of outstanding | $1.2M | Jun 24, 2024 | none |
| Mar 22, 2024 | MTX MINERALS TECHNOLOGIES INC. | 1,180 0.00% of outstanding | $87k | Mar 22, 2024 | none |
| Dec 20, 2023 | MTX MINERALS TECHNOLOGIES INC. | 14,598 0.04% of outstanding | $994k | Dec 20, 2023 | none |
Transactions
Every row this insider has filed, 37 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jan 23, 2026 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Common Stock | +3,795 | $0.00 | $0 | 89,600 | Jan 27, 2026 |
| Jan 23, 2026 | MTX MINERALS TECHNOLOGIES INC | FTax withholding Common Stock | -2,099 | $68.77 | $144k | 87,501 | Jan 27, 2026 |
| Jan 26, 2026 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Common Stock | +3,519 | $0.00 | $0 | 91,020 | Jan 27, 2026 |
| Jan 26, 2026 | MTX MINERALS TECHNOLOGIES INC | FTax withholding Common Stock | -1,947 | $68.89 | $134k | 89,073 | Jan 27, 2026 |
| Jan 23, 2026 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Deferred Restricted Stock Units (DRSUs)derivative | -3,795 | $0.00 | $0 | 26,801 | Jan 27, 2026 |
| Jan 26, 2026 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Deferred Restricted Stock Units (DRSUs)derivative | -3,519 | $0.00 | $0 | 23,282 | Jan 27, 2026 |
| Jan 21, 2026 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Common Stock | +3,492 | $0.00 | $0 | 87,841 | Jan 23, 2026 |
| Jan 21, 2026 | MTX MINERALS TECHNOLOGIES INC | FTax withholding Common Stock | -2,036 | $66.92 | $136k | 85,805 | Jan 23, 2026 |
| Jan 21, 2026 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Deferred Restricted Stock Units (DRSUs)derivative | -3,492 | $0.00 | $0 | 30,596 | Jan 23, 2026 |
| Jan 20, 2026 | MTX MINERALS TECHNOLOGIES INC | AGrant or award Deferred Restricted Stock Units (DRSUs)derivative | +12,504 | $0.00 | $0 | 34,088 | Jan 22, 2026 |
| Jan 20, 2026 | MTX MINERALS TECHNOLOGIES INC | AGrant or award Employee Stock Option (Right to Buy)derivative | +10,739 | $0.00 | $0 | 10,739 | Jan 22, 2026 |
| Dec 29, 2025 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Common Stock | +23,093 | $38.29 | $884k | 107,442 | Dec 31, 2025 |
| Dec 29, 2025 | MTX MINERALS TECHNOLOGIES INC | SOpen-market sale Common Stock | -23,093 | $61.90 | $1.4M | 84,349 | Dec 31, 2025 |
| Dec 29, 2025 | MTX MINERALS TECHNOLOGIES INC | MOption exercise EMPLOYEE Stock Option (Right to Buy)derivative | -23,093 | $0.00 | $0 | 0 | Dec 31, 2025 |
| Jun 24, 2024 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Common Stock | +14,229 | $60.19 | $856k | 93,960 | Jun 26, 2024 |
| Jun 24, 2024 | MTX MINERALS TECHNOLOGIES INC | SOpen-market sale Common Stock | -14,229 | $83.63 | $1.2M | 79,731 | Jun 26, 2024 |
| Jun 24, 2024 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Employee Stock Option (Right to Buy)derivative | -14,229 | $0.00 | $0 | 0 | Jun 26, 2024 |
| Jun 5, 2024 | MTX MINERALS TECHNOLOGIES INC | IDiscretionary transaction PHANTOM STOCK UNITSderivative | -4,224 | $85.62 | $362k | 0 | Jun 6, 2024 |
| May 10, 2024 | MTX MINERALS TECHNOLOGIES INC | GGift Common Stock | -1,300 | $0.00 | $0 | 79,731 | May 14, 2024 |
| Mar 22, 2024 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Common Stock | +1,180 | $65.16 | $77k | 82,211 | Mar 26, 2024 |
| Mar 22, 2024 | MTX MINERALS TECHNOLOGIES INC | SOpen-market sale Common Stock | -1,180 | $74.12 | $87k | 81,031 | Mar 26, 2024 |
| Mar 22, 2024 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Employee Stock Option (Right to Buy)derivative | -1,180 | $0.00 | $0 | 0 | Mar 26, 2024 |
| Jan 25, 2024 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Common Stock | +3,172 | $0.00 | $0 | 81,371 | Jan 29, 2024 |
| Jan 25, 2024 | MTX MINERALS TECHNOLOGIES INC | FTax withholding Common Stock | -1,755 | $66.09 | $116k | 79,616 | Jan 29, 2024 |
| Jan 26, 2024 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Common Stock | +3,166 | $0.00 | $0 | 82,782 | Jan 29, 2024 |
| Jan 26, 2024 | MTX MINERALS TECHNOLOGIES INC | FTax withholding Common Stock | -1,751 | $66.51 | $116k | 81,031 | Jan 29, 2024 |
| Jan 25, 2024 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Deferred Restricted Stock Units (DRSUs)derivative | -3,172 | $0.00 | $0 | 24,760 | Jan 29, 2024 |
| Jan 26, 2024 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Deferred Restricted Stock Units (DRSUs)derivative | -3,166 | $0.00 | $0 | 21,594 | Jan 29, 2024 |
| Jan 24, 2024 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Common Stock | +3,519 | $0.00 | $0 | 80,239 | Jan 26, 2024 |
| Jan 24, 2024 | MTX MINERALS TECHNOLOGIES INC | FTax withholding Common Stock | -2,040 | $66.10 | $135k | 78,199 | Jan 26, 2024 |
| Jan 24, 2024 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Deferred Restricted Stock Units (DRSUs)derivative | -3,519 | $0.00 | $0 | 27,932 | Jan 26, 2024 |
| Jan 23, 2024 | MTX MINERALS TECHNOLOGIES INC | AGrant or award Deferred Restricted Stock Units (DRSUs)derivative | +11,384 | $0.00 | $0 | 31,451 | Jan 25, 2024 |
| Jan 23, 2024 | MTX MINERALS TECHNOLOGIES INC | AGrant or award Employee Stock Option (Right to Buy)derivative | +9,777 | $0.00 | $0 | 9,777 | Jan 25, 2024 |
| Dec 20, 2023 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Common Stock | +14,598 | $57.97 | $846k | 91,318 | Dec 22, 2023 |
| Dec 20, 2023 | MTX MINERALS TECHNOLOGIES INC | SOpen-market sale Common Stock | -11,496 | $67.89 | $780k | 79,822 | Dec 22, 2023 |
| Dec 20, 2023 | MTX MINERALS TECHNOLOGIES INC | SOpen-market sale Common Stock | -3,102 | $68.78 | $213k | 76,720 | Dec 22, 2023 |
| Dec 20, 2023 | MTX MINERALS TECHNOLOGIES INC | MOption exercise Employee Stock Option (Right to Buy)derivative | -14,598 | $0.00 | $0 | 0 | Dec 22, 2023 |
Questions about Dj Monagle III
Answered from the filings on this page, as of the latest one.
Is Dj Monagle III buying or selling?
In the last 12 months Dj Monagle III reported 0 open-market buys worth $0 and 1 open-market sell worth $1.4M on SEC Form 4; the latest was sold $1.4M of MTX on Dec 29, 2025. Grants, option exercises and tax withholding are not counted.
How did Dj Monagle III's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Dj Monagle III has 0.
Where does Dj Monagle III file Form 4?
Dj Monagle III has filed Form 4 at MTX (MINERALS TECHNOLOGIES INC) as Group President. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.