COLELLA GERALD G

PrivateCIK: 1256715
Location

ANDOVER, MA

COLELLA GERALD G (CEO, Director) sold 50.0% of their position (20K shares) of MKS INC on the open market

Open‑market sale worth $6.67M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 7 sales
InsiderCOLELLA GERALD GCIK 1256715
IssuerMKS INCCIK 1049502
DirectorOfficer· CEO, Director
Since Jan 2019
-20K
Net shares
Net seller
$6.67M
Total sold
7
Open market trades
0B · 7S
7
Total transactions
20K disposed
Non-Derivative Transactions7

Common Stock

Indirect
S · Sale

Shares

464.00

Price / share

$330.38

Trade value

$153.30K

% of position

1.2%
5/27/2026
40.02K39.55K

Common Stock

Indirect
S · Sale

Shares

8.21K

Price / share

$331.45

Trade value

$2.72M

% of position

20.8%
5/27/2026
39.55K31.34K

Common Stock

Indirect
S · Sale

Shares

4.88K

Price / share

$332.04

Trade value

$1.62M

% of position

15.6%
5/27/2026
31.34K26.47K

Common Stock

Indirect
S · Sale

Shares

1.81K

Price / share

$335.46

Trade value

$607.51K

% of position

6.8%
5/27/2026
26.47K24.66K

Common Stock

Indirect
S · Sale

Shares

1.63K

Price / share

$336.54

Trade value

$547.22K

% of position

6.6%
5/27/2026
24.66K23.03K

Common Stock

Indirect
S · Sale

Shares

213.00

Price / share

$337.05

Trade value

$71.79K

% of position

0.9%
5/27/2026
23.03K22.82K

Common Stock

Indirect
S · Sale

Shares

2.80K

Price / share

$338.58

Trade value

$948.02K

% of position

12.3%
5/27/2026
22.82K20.02K
Total

Net shares

20K

Net value

-$6.67M

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Direct
Shares owned9K
Total
9K direct9K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
COLELLA GERALD G — Insider Transaction (Form 4) Filed May 28, 2026 | Finecho