Brett Argirakis

CIK: 0001695302

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (5.6%)

Position reduction

Option Exercises (M)7 (38.9%)

Derivative conversions

Awards (A)4 (22.2%)

Compensation grants

Other (G, F, J, C, D, …)6 (33.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MTX

MINERALS TECHNOLOGIES INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (18 total)

MTX
MINERALS TECHNOLOGIES INC
Jan 26, 2026
Tax Payment(F)
Direct
1.2K shares at avg. $68.89$80K
MTX
MINERALS TECHNOLOGIES INC
Jan 26, 2026
Exercise(M)
Direct
2.7K shares-
MTX
MINERALS TECHNOLOGIES INC
Jan 23, 2026
Exercise(M)
Direct
3.2K shares-
MTX
MINERALS TECHNOLOGIES INC
Jan 23, 2026
Tax Payment(F)
Direct
1.4K shares at avg. $68.77$97K
MTX
MINERALS TECHNOLOGIES INC
Jan 21, 2026
Tax Payment(F)
Direct
1.5K shares at avg. $66.92$98K
MTX
MINERALS TECHNOLOGIES INC
Jan 21, 2026
Exercise(M)
Direct
3.1K shares-
MTX
MINERALS TECHNOLOGIES INC
Jan 20, 2026
Award(A)
Employee Stock Option (Right to Buy)
Direct
10.4K shares-
MTX
MINERALS TECHNOLOGIES INC
Jan 20, 2026
Award(A)
Deferred Restricted Stock Units (DRSUs)
Direct
12.1K shares-
MTX
MINERALS TECHNOLOGIES INC
Nov 21, 2025
Exercise(M)
Direct
6.5K shares at avg. $38.28$249K
MTX
MINERALS TECHNOLOGIES INC
Nov 21, 2025
Sale(S)
Direct
6.5K shares at avg. $58.68$381K
MTX
MINERALS TECHNOLOGIES INC
Jan 27, 2025
Tax Payment(F)
Direct
944 shares at avg. $76.19$72K
MTX
MINERALS TECHNOLOGIES INC
Jan 27, 2025
Exercise(M)
Direct
2.2K shares-
MTX
MINERALS TECHNOLOGIES INC
Jan 24, 2025
Tax Payment(F)
Direct
1.2K shares at avg. $75.68$88K
MTX
MINERALS TECHNOLOGIES INC
Jan 24, 2025
Exercise(M)
Direct
2.7K shares-
MTX
MINERALS TECHNOLOGIES INC
Jan 23, 2025
Tax Payment(F)
Direct
1.5K shares at avg. $75.65$112K
MTX
MINERALS TECHNOLOGIES INC
Jan 23, 2025
Exercise(M)
Direct
3.2K shares-
MTX
MINERALS TECHNOLOGIES INC
Jan 21, 2025
Award(A)
Deferred Restricted Stock Units (DRSUs)
Direct
9.3K shares-
MTX
MINERALS TECHNOLOGIES INC
Jan 21, 2025
Award(A)
Employee Stock Option (Right to Buy)
Direct
8K shares-

		Type	Shares	Price		Ownership
Jan 26, 2026	MTX MINERALS TECHNOLOGIES INC	Tax Payment(F)	1,163	$68.89	$80,119	Direct
Jan 26, 2026	MTX MINERALS TECHNOLOGIES INC	Exercise(M)	2,672	-	$0	Direct
Jan 23, 2026	MTX MINERALS TECHNOLOGIES INC	Exercise(M)	3,247	-	$0	Direct
Jan 23, 2026	MTX MINERALS TECHNOLOGIES INC	Tax Payment(F)	1,413	$68.77	$97,172	Direct
Jan 21, 2026	MTX MINERALS TECHNOLOGIES INC	Tax Payment(F)	1,457	$66.92	$97,502	Direct
Jan 21, 2026	MTX MINERALS TECHNOLOGIES INC	Exercise(M)	3,112	-	$0	Direct
Jan 20, 2026	MTX MINERALS TECHNOLOGIES INC	Award(A) Employee Stock Option (Right to Buy)	10,393	-	-	Direct
Jan 20, 2026	MTX MINERALS TECHNOLOGIES INC	Award(A) Deferred Restricted Stock Units (DRSUs)	12,101	-	-	Direct
Nov 21, 2025	MTX MINERALS TECHNOLOGIES INC	Exercise(M)	6,501	$38.28	$248,891	Direct
Nov 21, 2025	MTX MINERALS TECHNOLOGIES INC	Sale(S)	6,501	$58.68	$381,459	Direct
Jan 27, 2025	MTX MINERALS TECHNOLOGIES INC	Tax Payment(F)	944	$76.19	$71,923	Direct
Jan 27, 2025	MTX MINERALS TECHNOLOGIES INC	Exercise(M)	2,169	-	$0	Direct
Jan 24, 2025	MTX MINERALS TECHNOLOGIES INC	Tax Payment(F)	1,163	$75.68	$88,016	Direct
Jan 24, 2025	MTX MINERALS TECHNOLOGIES INC	Exercise(M)	2,672	-	$0	Direct
Jan 23, 2025	MTX MINERALS TECHNOLOGIES INC	Tax Payment(F)	1,482	$75.65	$112,113	Direct
Jan 23, 2025	MTX MINERALS TECHNOLOGIES INC	Exercise(M)	3,248	-	$0	Direct
Jan 21, 2025	MTX MINERALS TECHNOLOGIES INC	Award(A) Deferred Restricted Stock Units (DRSUs)	9,336	-	-	Direct
Jan 21, 2025	MTX MINERALS TECHNOLOGIES INC	Award(A) Employee Stock Option (Right to Buy)	8,018	-	-	Direct

1-18 of 18 transactions

About ARGIRAKIS BRETT

ARGIRAKIS BRETT (SEC CIK 0001695302) files insider reports with the SEC as Group President of MINERALS TECHNOLOGIES INC (MTX).

Signal8 holds 8 ownership filings by ARGIRAKIS BRETT, all Form 4s, filed between Jan 23, 2025 and Jan 27, 2026. Those filings report 18 transactions, from Jan 21, 2025 to Jan 26, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on ARGIRAKIS BRETT's filings is in NEW YORK, NY.

Recent filings by ARGIRAKIS BRETT

Jan 26, 2026: Tax withholding of MTX shares (Form 4, code F).
Jan 26, 2026: Option exercise of MTX shares (Form 4, code M).
Jan 23, 2026: Option exercise of MTX shares (Form 4, code M).
Jan 23, 2026: Tax withholding of MTX shares (Form 4, code F).
Jan 21, 2026: Tax withholding of MTX shares (Form 4, code F).

Other insiders filing for MINERALS TECHNOLOGIES INC (MTX)

PITTMAN CAROLYN K, Director
ROBINSON MARC E, Director
Motwani Rocky, Director
JOHNSON KRISTINA M, Director
CLARK ROBERT L, Director
CARMOLA JOHN J, Director

How to read Form 4 transaction codes