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MINERALS TECHNOLOGIES INC

MTX Net selling

CIK 0000891014 #1979 in the set updated 18 Sep 2026

Bought (12 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$4.05M

$0.00 on a plan · $3.57M straight out of an exercise

Sold at will

$481.65K

1 of 4 sales

Net

−$4.05M

−$481.65K against sales at will

By person

10 insiders · 4 transactions

13.6×

Douglas T. Dietrich holds 13.6 times base salary in stock. $14.35M 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

DIETRICH DOUGLAS T

CHAIRMAN AND CEO

—

$1.76M (1) scheduled

−$1.76M

175,973

0.5653%

$14.35M

+20.9%

MONAGLE DJ III

Group President

—

$1.43M (1) scheduled

−$1.43M

89,073

0.2861%

$7.26M

+11.7%

JORDAN TIMOTHY

Vice President

—

$481.65K (1)

−$481.65K

1,279

0.0041%

$104.28K

−43.0%

ARGIRAKIS BRETT

Group President

—

$381.46K (1) scheduled

−$381.46K

32,600

0.1047%

$2.66M

+41.1%

Hastings Jonathan J

Senior Vice President

—

63,811

0.2050%

$5.20M

+18.5%

CIPOLLA MICHAEL

VICE PRESIDENT

—

39,529

0.1270%

$3.22M

+10.2%

CUTLER ERIN

VP, Human Resources

—

7,734

0.0248%

$630.55K

+105.2%

ALDAG ERIK

SVP FINANCE AND TREASURY, CFO

—

6,959

0.0224%

$567.36K

+406.1%

JOHNSON KRISTINA M

Director

—

1,400

0.0045%

$114.14K

+250.0%

Motwani Rocky

Director

—

1,192

0.0038%

$97.18K

+45.0%

Individual transactions

Insider

Date

Role

Action

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

What was left out

Form 4 filings counted 73

Amendments (4/A) skipped 0

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 3

Sales at will 1

Transactions with no price 0

Shares from compensation/vesting 174,574

History held since 31 Aug 2016