DAVID R. WALT - 06 Jun 2025 Form 4 Insider Report for Quanterix Corp (QTRX)

Role
Director
Signature
/s/ Brian Keane, as Attorney-in-Fact
Issuer symbol
QTRX
Transactions as of
06 Jun 2025
Transactions value $
$1,133,796
Form type
4
Filing time
09 Jun 2025, 17:44:04 UTC
Previous filing
03 Apr 2025
Next filing
13 Jun 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WALT DAVID R Director C/O QUANTERIX CORPORATION,, 900 MIDDLESEX TURNPIKE, BILLERICA /s/ Brian Keane, as Attorney-in-Fact 09 Jun 2025 0001205236

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction QTRX Common Stock Purchase $717K +132K +8.81% $5.43 1.63M 06 Jun 2025 Direct F1, F2
transaction QTRX Common Stock Purchase $417K +78.1K +4.8% $5.34 1.71M 09 Jun 2025 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction was executed in multiple trades at prices ranging from $5.32 to $5.56. The price reported reflects the weighted average purchase price. The reporting person undertakes to provide upon request to the SEC staff, the issuer or any security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
F2 Includes 7,435 restricted stock units.
F3 This transaction was executed in multiple trades at prices ranging from $5.08 to $5.59. The price reported reflects the weighted average sale price. The reporting person undertakes to provide upon request to the SEC staff, the issuer or any security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.