HENRY DAVID PHILIP (SVP, Corp Mkt, PMO & Glob Svc) exercised options at MKS INC

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 6 exercises

HENRY DAVID PHILIP

Filed: 2/18/2026ACC: 0001049502-26-000026

InsiderHENRY DAVID PHILIPCIK 1842459

→

IssuerMKS INCCIK 1049502

Officer· SVP, Corp Mkt, PMO & Glob Svc

Since Feb 2021

-1.53K

Net shares

Net seller

$1.07M

Total sold

Open market trades

0B · 0S

Total transactions

11.85K acquired · 13.38K disposed

Non-Derivative Transactions7

Common Stock

Direct

M · Option Exercise

+2.41K

Price / share

—

Trade value

—

% of position

15.4%

2/17/2026

15.66K→18.06K

Common Stock

Direct

M · Option Exercise

+1.25K

Price / share

—

Trade value

—

% of position

6.9%

2/17/2026

18.06K→19.31K

Common Stock

Direct

M · Option Exercise

+456.45

Price / share

—

Trade value

—

% of position

2.4%

2/17/2026

19.31K→19.77K

Common Stock

Direct

M · Option Exercise

+1.28K

Price / share

—

Trade value

—

% of position

6.5%

2/17/2026

19.77K→21.04K

Common Stock

Direct

M · Option Exercise

+1.84K

Price / share

—

Trade value

—

% of position

8.7%

2/17/2026

21.04K→22.88K

Common Stock

Direct

M · Option Exercise

+2.05K

Price / share

—

Trade value

—

% of position

9.0%

2/17/2026

22.88K→24.94K

Common Stock

Direct

F · Tax Withholding

−4.10K

Price / share

$260.74

Trade value

$1.07M

% of position

16.4%

2/17/2026

24.94K→20.84K

Total

Net shares

+5.18K

Net value

-$1.07M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/17/2026	M · Option Exercise	+2.41K	—	—	15.4%	15.66K	18.06K
Common Stock Direct	2/17/2026	M · Option Exercise	+1.25K	—	—	6.9%	18.06K	19.31K
Common Stock Direct	2/17/2026	M · Option Exercise	+456.45	—	—	2.4%	19.31K	19.77K
Common Stock Direct	2/17/2026	M · Option Exercise	+1.28K	—	—	6.5%	19.77K	21.04K
Common Stock Direct	2/17/2026	M · Option Exercise	+1.84K	—	—	8.7%	21.04K	22.88K
Common Stock Direct	2/17/2026	M · Option Exercise	+2.05K	—	—	9.0%	22.88K	24.94K
Common Stock Direct	2/17/2026	F · Tax Withholding	−4.10K	$260.74	$1.07M	16.4%	24.94K	20.84K
Total			+5.18K		-$1.07M

Derivative Transactions7

Restricted Stock Unit

Direct

A · Award

Converts to

Common Stock

2.57K shares

+2.57K

Strike price

Held after

21.38K

Exercisable

—

2/17/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Common Stock

2.41K shares

−2.41K

Strike price

Held after

18.97K

Exercisable

—

2/17/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Common Stock

1.25K shares

−1.25K

Strike price

Held after

17.72K

Exercisable

—

2/17/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Common Stock

456.45 shares

−456.45

Strike price

Held after

17.27K

Exercisable

—

2/17/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Common Stock

1.28K shares

−1.28K

Strike price

Held after

15.99K

Exercisable

—

2/17/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Common Stock

1.84K shares

−1.84K

Strike price

Held after

14.15K

Exercisable

—

2/17/2026

Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Common Stock

2.05K shares

−2.05K

Strike price

Held after

12.09K

Exercisable

—

2/17/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Unit Direct	Common Stock2.57K shares	2/17/2026	A · Award	+2.57K	—	21.38K
Restricted Stock Unit Direct	Common Stock2.41K shares	2/17/2026	M · Option Exercise	−2.41K	—	18.97K
Restricted Stock Unit Direct	Common Stock1.25K shares	2/17/2026	M · Option Exercise	−1.25K	—	17.72K
Restricted Stock Unit Direct	Common Stock456.45 shares	2/17/2026	M · Option Exercise	−456.45	—	17.27K
Restricted Stock Unit Direct	Common Stock1.28K shares	2/17/2026	M · Option Exercise	−1.28K	—	15.99K
Restricted Stock Unit Direct	Common Stock1.84K shares	2/17/2026	M · Option Exercise	−1.84K	—	14.15K
Restricted Stock Unit Direct	Common Stock2.05K shares	2/17/2026	M · Option Exercise	−2.05K	—	12.09K