MILLER MICHAEL FRANCIS (Chief Operating Officer) exercised options at QUANTERIX CORP
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 2 exercises
Filed: 4/2/2026ACC: 0002120516-26-000005
Officer· Chief Operating Officer
Since Feb 2026
-69.00
Net shares
Net seller
$242.88
Total sold
0
Open market trades
0B · 0S
6
Total transactions
229.00 acquired · 298.00 disposed
Non-Derivative Transactions4
Common Stock
Direct
Shares
+99.00
Price / share
—
Trade value
—
% of position
0.3%
3/31/2026
31.27K→31.37K
Common Stock
Direct
Shares
−30.00
Price / share
$3.52
Trade value
$105.60
% of position
0.1%
3/31/2026
31.37K→31.34K
Common Stock
Direct
Shares
+130.00
Price / share
—
Trade value
—
% of position
0.4%
3/31/2026
31.34K→31.47K
Common Stock
Direct
Shares
−39.00
Price / share
$3.52
Trade value
$137.28
% of position
0.1%
3/31/2026
31.47K→31.43K
Total
Net shares
+160.00
Net value
-$242.88
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/31/2026 | M · Option Exercise | +99.00 | — | — | 0.3% | 31.27K | 31.37K |
| Common Stock Direct | 3/31/2026 | F · Tax Withholding | −30.00 | $3.52 | $105.60 | 0.1% | 31.37K | 31.34K |
| Common Stock Direct | 3/31/2026 | M · Option Exercise | +130.00 | — | — | 0.4% | 31.34K | 31.47K |
| Common Stock Direct | 3/31/2026 | F · Tax Withholding | −39.00 | $3.52 | $137.28 | 0.1% | 31.47K | 31.43K |
| Total | +160.00 | -$242.88 | ||||||
Derivative Transactions2
Restricted Stock Unit
Direct
Converts to
Common Stock
99.00 shares
Shares
−99.00
Strike price
0.00
Held after
0.00
Exercisable
—
3/31/2026
Restricted Stock Unit
Direct
Converts to
Common Stock
130.00 shares
Shares
−130.00
Strike price
0.00
Held after
679.00
Exercisable
—
3/31/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Unit Direct | Common Stock99.00 shares | 3/31/2026 | M · Option Exercise | −99.00 | 0.00 | — | 0.00 |
| Restricted Stock Unit Direct | Common Stock130.00 shares | 3/31/2026 | M · Option Exercise | −130.00 | 0.00 | — | 679.00 |