SRIRAM VANDANA

PrivateCIK: 1908223
Location

CHELMSFORD, MA

SRIRAM VANDANA (Chief Financial Officer) exercised options at QUANTERIX CORP

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

M · 3 exercises
InsiderSRIRAM VANDANACIK 1908223
IssuerQUANTERIX CORPCIK 1503274
Officer· Chief Financial Officer
Since Feb 2026
-548.00
Net shares
Net seller
$1.7K
Total sold
0
Open market trades
0B · 0S
9
Total transactions
1.83K acquired · 2.38K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+263.00

Price / share

Trade value

% of position

0.9%
6/15/2026
30K30.26K

Common Stock

Direct
F · Tax Withholding

Shares

79.00

Price / share

$3.10

Trade value

$244.90

% of position

0.3%
6/15/2026
30.26K30.18K

Common Stock

Direct
M · Option Exercise

Shares

+514.00

Price / share

Trade value

% of position

1.7%
6/15/2026
30.18K30.70K

Common Stock

Direct
F · Tax Withholding

Shares

154.00

Price / share

$3.10

Trade value

$477.40

% of position

0.5%
6/15/2026
30.70K30.54K

Common Stock

Direct
M · Option Exercise

Shares

+1.06K

Price / share

Trade value

% of position

3.5%
6/15/2026
30.54K31.60K

Common Stock

Direct
F · Tax Withholding

Shares

315.00

Price / share

$3.10

Trade value

$976.50

% of position

1.0%
6/15/2026
31.60K31.28K
Total

Net shares

+1.28K

Net value

-$1.70K

Derivative Transactions3

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

263.00 shares

Shares

263.00

Strike price

0.00

Held after

3.68K

Exercisable

6/15/2026

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

514.00 shares

Shares

514.00

Strike price

0.00

Held after

10.28K

Exercisable

6/15/2026

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

1.06K shares

Shares

1.06K

Strike price

0.00

Held after

33.81K

Exercisable

6/15/2026