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MINERALS TECHNOLOGIES INC

MTX Net selling
CIK 0000891014 #1979 in the set updated 18 Sep 2026
Bought (120 mo)
$645.34K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$37.98M
$0.00 on a plan · $35.38M straight out of an exercise
Sold at will
$2.60M
5 of 67 sales
Net
−$37.33M
−$1.95M against sales at will

By person

23 insiders · 83 transactions
13.9×

Douglas T. Dietrich holds 13.9 times base salary in stock. $14.65M of shares against $1.05M in salary for 2025.

Salary from the company's own proxy. The shares are what Douglas T. Dietrich last reported holding, valued at $81.53, the price Common Stock was last bought or sold at on the open market here, on 14 May 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
MONAGLE DJ III
Group President
—
$10.59M (16) scheduled
−$10.59M
89,073
0.2861%
$7.26M
+62.8%
DIETRICH DOUGLAS T
CHAIRMAN AND CEO
$224.22K (3)
$8.44M (9) scheduled
−$8.22M
179,639
0.5771%
$14.65M
+263.9%
Hastings Jonathan J
Senior Vice President
—
$5.81M (9) scheduled
−$5.81M
65,895
0.2117%
$5.37M
+261.4%
MAYGER DOUGLAS W
Senior Vice President
—
$4.01M (8) scheduled
−$4.01M
46,593
0.1497%
$3.80M
+60.6%
Meek Thomas J
Senior Vice President
—
$4.00M (9) scheduled
−$4.00M
88,887
0.2855%
$7.25M
+142.5%
CIPOLLA MICHAEL
VICE PRESIDENT
—
$3.21M (7) scheduled
−$3.21M
48,387
0.1554%
$3.94M
+43.3%
ARGIRAKIS BRETT
Group President
—
$804.21K (4) scheduled
−$804.21K
34,450
0.1107%
$2.81M
+650.7%
JONES ANDREW M
Vice President
—
$615.41K (3) scheduled
−$615.41K
11,593
0.0372%
$945.14K
+8,262%
JORDAN TIMOTHY
Vice President
—
$481.65K (1)
−$481.65K
1,279
0.0041%
$104.28K
+203.8%
JOHNSON KRISTINA M
Director
$86.15K (2)
—
+$86.15K
1,400
0.0045%
$114.14K
—
Motwani Rocky
Director
$70.09K (2)
—
+$70.09K
1,192
0.0038%
$97.18K
—
Breunig Joseph C.
Director
$55.49K (1)
—
+$55.49K
1,200
0.0039%
$97.84K
+200.0%
CARMOLA JOHN J
Director
$54.40K (1)
—
+$54.40K
1,200
0.0039%
$97.84K
+200.0%
ALDAG ERIK
SVP FINANCE AND TREASURY, CFO
$50.37K (1)
—
+$50.37K
7,364
0.0237%
$600.37K
+830.4%
FEDER FRANKLIN
Director
$33.80K (1)
—
+$33.80K
450
0.0014%
$36.69K
—
PITTMAN CAROLYN K
Director
$29.06K (1)
—
+$29.06K
400
0.0013%
$32.61K
—
Deans Alison Ann
Director
$23.66K (1)
—
+$23.66K
400
0.0013%
$32.61K
—
CUTLER ERIN
VP, Human Resources
—
$19.39K (1) scheduled
−$19.39K
8,457
0.0272%
$689.53K
+880.6%
CLARK ROBERT L
Director
$11.73K (1)
—
+$11.73K
400
0.0013%
$32.61K
+100.0%
GARTH MATTHEW E
SVP, Finance & Treasury, & CFO
$6.38K (1)
—
+$6.38K
14,285
0.0459%
$1.16M
+1,958%
CASTAGNA GARY L
Senior Vice President
—
—
—
28,381
0.0912%
$2.31M
+110.4%
HONEY RICK
VICE PRESIDENT
—
—
—
5,619
0.0181%
$458.11K
+21.8%
MENDEZ WILLIAM RANDAL
SVP & Managing Director, PCC
—
—
—
1,548
0.0050%
$126.21K
+157.6%

Individual transactions

83
Insider
Date
Role
Action
Shares
Price
Amount
DIETRICH DOUGLAS T
14 May 2026
CHAIRMAN AND CEO
Sold after exercise
21,568
$81.53
$1.76M
JORDAN TIMOTHY
11 May 2026
Vice President
Sell
6,000
$80.27
$481.65K
MONAGLE DJ III
29 Dec 2025
Group President
Sold after exercise
23,093
$61.90
$1.43M
ARGIRAKIS BRETT
21 Nov 2025
Group President
Sold after exercise
6,501
$58.68
$381.46K
Motwani Rocky
16 Jun 2025
Director
Buy
370
$54.31
$20.09K
JOHNSON KRISTINA M
2 May 2025
Director
Buy
1,000
$53.79
$53.79K
DIETRICH DOUGLAS T
30 Apr 2025
CHAIRMAN AND CEO
Buy
2,000
$51.56
$103.12K
ALDAG ERIK
30 Apr 2025
SVP FINANCE AND TREASURY, CFO
Buy
1,000
$50.37
$50.37K
MONAGLE DJ III
24 Jun 2024
Group President
Sold after exercise
14,229
$83.63
$1.19M
Hastings Jonathan J
18 Jun 2024
Senior Vice President
Sold after exercise
21,543
$84.35
$1.82M
ARGIRAKIS BRETT
17 Jun 2024
Group President
Sold after exercise
2,259
$83.95
$189.64K
Hastings Jonathan J
12 Jun 2024
Senior Vice President
Sold after exercise
800
$86.17
$68.94K
Hastings Jonathan J
12 Jun 2024
Senior Vice President
Sold after exercise
8,164
$85.34
$696.74K
CUTLER ERIN
3 Jun 2024
VP, Human Resources
Sold after exercise
225
$86.16
$19.39K
DIETRICH DOUGLAS T
29 May 2024
Chairman and CEO
Sold after exercise
24,978
$84.18
$2.10M
DIETRICH DOUGLAS T
28 May 2024
Chairman and CEO
Sold after exercise
12,010
$84.85
$1.02M
CIPOLLA MICHAEL
28 May 2024
VICE PRESIDENT
Sold after exercise
11,958
$84.36
$1.01M
Hastings Jonathan J
21 May 2024
Senior Vice President
Sold after exercise
7,814
$83.13
$649.60K
JOHNSON KRISTINA M
16 May 2024
Director
Buy
400
$80.92
$32.37K
MONAGLE DJ III
22 Mar 2024
Group President
Sold after exercise
1,180
$74.12
$87.46K
Hastings Jonathan J
20 Feb 2024
Senior Vice President
Sold after exercise
12,922
$71.48
$923.64K
MONAGLE DJ III
20 Dec 2023
Group President
Sold after exercise
3,102
$68.78
$213.36K
MONAGLE DJ III
20 Dec 2023
Group President
Sold after exercise
11,496
$67.89
$780.44K
ARGIRAKIS BRETT
14 Dec 2023
Group President
Sold after exercise
2,655
$66.84
$177.46K
CIPOLLA MICHAEL
7 Dec 2023
VICE PRESIDENT
Sold after exercise
4,818
$63.36
$305.28K
DIETRICH DOUGLAS T
7 Dec 2023
Chairman and CEO
Sold after exercise
13,662
$63.40
$866.17K
Hastings Jonathan J
30 Nov 2023
Senior Vice President
Sold after exercise
8,960
$62.44
$559.46K
Motwani Rocky
6 Mar 2023
Director
Buy
822
$60.82
$49.99K
ARGIRAKIS BRETT
20 Dec 2022
Senior Vice President
Sold after exercise
927
$60.03
$55.65K
Meek Thomas J
2 Dec 2022
Senior Vice President
Sold after exercise
887
$63.03
$55.91K
Meek Thomas J
2 Dec 2022
Senior Vice President
Sold after exercise
15,908
$62.49
$994.11K
MONAGLE DJ III
12 Sep 2022
Group President
Sold after exercise
19,673
$63.36
$1.25M
DIETRICH DOUGLAS T
8 Sep 2022
Chairman and CEO
Sold after exercise
16,299
$60.06
$978.87K
Hastings Jonathan J
18 Aug 2022
Group President
Sold after exercise
11,739
$65.67
$770.92K
CIPOLLA MICHAEL
11 Aug 2022
VICE PRESIDENT
Sold after exercise
6,356
$64.27
$408.53K
GARTH MATTHEW E
7 Mar 2022
SVP, Finance & Treasury, & CFO
Buy
100
$63.75
$6.38K
MONAGLE DJ III
16 Dec 2021
Group President
Sold after exercise
1,100
$73.35
$80.68K
MONAGLE DJ III
16 Dec 2021
Group President
Sold after exercise
8,240
$72.36
$596.28K
Meek Thomas J
15 Dec 2021
Senior Vice President
Sold after exercise
2,660
$71.95
$191.38K
Meek Thomas J
15 Dec 2021
Senior Vice President
Sold after exercise
7,950
$71.32
$567.02K
Meek Thomas J
15 Dec 2021
Senior Vice President
Sold after exercise
6,204
$70.30
$436.16K
Meek Thomas J
14 Dec 2021
Senior Vice President
Sold after exercise
300
$72.06
$21.62K
MONAGLE DJ III
17 Nov 2021
Group President
Sold after exercise
8,600
$74.29
$638.89K
MAYGER DOUGLAS W
7 Jun 2021
Senior Vice President
Sold after exercise
395
$86.02
$33.98K
MAYGER DOUGLAS W
4 Jun 2021
Senior Vice President
Sold after exercise
11,233
$86.04
$966.49K
DIETRICH DOUGLAS T
25 Feb 2021
Chief Executive Officer
Sold after exercise
3,117
$73.69
$229.70K
DIETRICH DOUGLAS T
25 Feb 2021
Chief Executive Officer
Sold after exercise
2,299
$72.62
$166.96K
DIETRICH DOUGLAS T
25 Feb 2021
Chief Executive Officer
Sold after exercise
8,199
$71.99
$590.21K
CIPOLLA MICHAEL
24 Feb 2021
VICE PRESIDENT
Sold after exercise
6,246
$72.36
$451.99K
MAYGER DOUGLAS W
16 Feb 2021
Senior Vice President
Sold after exercise
24,500
$68.36
$1.67M
Hastings Jonathan J
28 Dec 2020
Group President
Sold after exercise
14
$63.03
$882.42
Hastings Jonathan J
28 Dec 2020
Group President
Sold after exercise
5,176
$62.52
$323.58K
JONES ANDREW M
10 Dec 2020
Vice President
Sold after exercise
3,009
$61.93
$186.36K
MONAGLE DJ III
11 Nov 2020
Group President
Sold after exercise
14,662
$60.04
$880.31K
CIPOLLA MICHAEL
10 Nov 2020
VICE PRESIDENT
Sold after exercise
5,992
$62.63
$375.28K
Meek Thomas J
9 Nov 2020
Senior Vice President
Sold after exercise
11,807
$61.54
$726.62K
DIETRICH DOUGLAS T
9 Nov 2020
Chief Executive Officer
Sold after exercise
11,856
$61.46
$728.63K
DIETRICH DOUGLAS T
27 Mar 2020
Chief Executive Officer
Buy
1,500
$32.75
$49.12K
MONAGLE DJ III
11 Dec 2019
Senior Vice President
Sold after exercise
14,194
$54.82
$778.07K
Meek Thomas J
10 Dec 2019
Senior Vice President
Sold after exercise
14,369
$45.90
$659.48K
CIPOLLA MICHAEL
9 Dec 2019
VICE PRESIDENT
Sold after exercise
7,380
$54.70
$403.69K
DIETRICH DOUGLAS T
29 Aug 2019
CHIEF EXECUTIVE OFFICER
Buy
1,500
$47.99
$71.98K
Meek Thomas J
27 Aug 2019
Senior Vice President
Sold after exercise
7,502
$45.90
$344.31K
CLARK ROBERT L
14 Mar 2019
Director
Buy
200
$58.64
$11.73K
Deans Alison Ann
14 Mar 2019
Director
Buy
400
$59.16
$23.66K
MONAGLE DJ III
19 Dec 2018
Senior Vice President
Sold after exercise
3,300
$51.16
$168.84K
MONAGLE DJ III
19 Dec 2018
Senior Vice President
Sold after exercise
7,476
$49.93
$373.31K
MONAGLE DJ III
19 Dec 2018
Senior Vice President
Sold after exercise
6,678
$49.11
$327.94K
JONES ANDREW M
16 Nov 2018
Vice President
Sold after exercise
66
$57.84
$3.82K
JONES ANDREW M
16 Nov 2018
Vice President
Sold after exercise
7,420
$57.31
$425.23K
CARMOLA JOHN J
8 Aug 2018
Director
Buy
800
$68.00
$54.40K
FEDER FRANKLIN
28 Jun 2018
Director
Buy
450
$75.10
$33.80K
DIETRICH DOUGLAS T
21 Jun 2018
Chief Executive Officer
Exercised, kept
4,328
$75.20
$325.47K
MAYGER DOUGLAS W
12 Jun 2018
Senior Vice President
Sold after exercise
9,198
$75.31
$692.70K
PITTMAN CAROLYN K
17 May 2018
Director
Buy
400
$72.65
$29.06K
Breunig Joseph C.
7 Feb 2018
Director
Buy
800
$69.36
$55.49K
MONAGLE DJ III
26 Sep 2017
Senior Vice President
Sell
5,713
$70.01
$399.95K
MONAGLE DJ III
25 Sep 2017
Senior Vice President
Sell
19,926
$70.03
$1.40M
MAYGER DOUGLAS W
15 Feb 2017
Senior Vice President
Sell
790
$79.08
$62.47K
MAYGER DOUGLAS W
10 Feb 2017
Senior Vice President
Sold after exercise
5,678
$78.46
$445.51K
MAYGER DOUGLAS W
10 Feb 2017
Senior Vice President
Sold after exercise
1,495
$77.12
$115.30K
MAYGER DOUGLAS W
10 Feb 2017
Senior Vice President
Sold after exercise
200
$78.00
$15.60K
CIPOLLA MICHAEL
14 Nov 2016
VICE PRESIDENT
Sell
3,500
$74.35
$260.23K

What was left out

Form 4 filings counted 945
Amendments (4/A) skipped 13
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 62
Sales at will 5
Transactions with no price 0
Shares from compensation/vesting 1,631,549
Sales filed before the plan box existed 4
History held since 31 Aug 2016