MAZELSKY JONATHAN JAY

PrivateCIK: 1556270
Location

WESTBROOK, ME

MAZELSKY JONATHAN JAY (President and CEO) exercised options at IDEXX LABORATORIES INC /DE

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

M · 2 exercises
InsiderMAZELSKY JONATHAN JAYCIK 1556270
DirectorOfficer· President and CEO
Since Feb 2026
+12.49K
Net shares
Net buyer
$575.9K
Total sold
0
Open market trades
0B · 0S
6
Total transactions
15.46K acquired · 2.97K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+958.00

Price / share

Trade value

% of position

1.2%
2/14/2026
82.46K83.42K

Common Stock

Direct
M · Option Exercise

Shares

+1.10K

Price / share

Trade value

% of position

1.3%
2/14/2026
83.42K84.52K

Common Stock

Direct
F · Tax Withholding

Shares

915.00

Price / share

$629.35

Trade value

$575.86K

% of position

1.1%
2/14/2026
84.52K83.61K
Total

Net shares

+1.14K

Net value

-$575.86K

Derivative Transactions3

Restricted Stock Unit

Direct
A · Award
Converts to

Common Stock

13.41K shares

Shares

+13.41K

Strike price

Held after

13.41K

Exercisable

2/12/2026

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

958.00 shares

Shares

958.00

Strike price

Held after

0.00

Exercisable

2/14/2026

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

1.10K shares

Shares

1.10K

Strike price

Held after

1.10K

Exercisable

2/14/2026
MAZELSKY JONATHAN JAY — Insider Transaction (Form 4) Filed Feb 17, 2026 | Finecho