David R Walt Quanterix Corp (QTRX) insider trading activity

David R Walt is of Quanterix Corp. Currently has a direct ownership of 1.87 Million shares of QTRX, which is worth approximately $10.8 Million. The most recent transaction as insider was on Jan 02, 2026, when has been sold 1,215 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 1.87M

0.06% 3M change

25.3% 12M change

Total Value Held $10.8 Million

DAVID R WALT Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 02 2026	BUY Grant, award, or other acquisition	-	1,215 Added 0.06%	1,872,890 Common Stock
Oct 01 2025	BUY Grant, award, or other acquisition	$14,370 $5.54 p/Share	2,594 Added 0.14%	1,871,675 Common Stock
Jul 01 2025	BUY Grant, award, or other acquisition	$14,370 $6.69 p/Share	2,148 Added 0.11%	1,869,081 Common Stock
Jun 13 2025	BUY Open market or private purchase	$761,298 $6.14 p/Share	123,990 Added 6.23%	1,866,933 Common Stock
Jun 12 2025	BUY Open market or private purchase	$224,342 $6.23 p/Share	36,010 Added 2.02%	1,742,943 Common Stock
Jun 09 2025	BUY Open market or private purchase	$417,219 $5.34 p/Share	78,131 Added 4.38%	1,706,933 Common Stock
Jun 06 2025	BUY Open market or private purchase	$716,048 $5.43 p/Share	131,869 Added 7.49%	1,628,802 Common Stock

Apr 01 2025	BUY Grant, award, or other acquisition	$14,358 $6.66 p/Share	2,156 Added 0.14%	1,496,933 Common Stock
Jan 02 2025	BUY Grant, award, or other acquisition	-	7,435 Added 0.49%	1,494,777 Common Stock
Aug 20 2024	BUY Open market or private purchase	$624,630 $13.29 p/Share	47,000 Added 3.06%	1,487,342 Common Stock
Jan 02 2024	BUY Grant, award, or other acquisition	-	2,947 Added 0.2%	1,442,342 Common Stock
Mar 09 2023	SELL Bona fide gift	-	1,000 Reduced 0.07%	1,440,342 Common Stock
Jan 03 2023	BUY Grant, award, or other acquisition	-	8,083 Added 0.56%	1,439,395 Common Stock
Oct 12 2022	SELL Bona fide gift	-	1,000 Reduced 0.07%	1,441,342 Common Stock
Aug 10 2022	BUY Open market or private purchase	$1,293,000 $8.62 p/Share	150,000 Added 9.49%	1,431,312 Common Stock
Jan 03 2022	BUY Grant, award, or other acquisition	-	2,668 Added 0.21%	1,281,312 Common Stock
Jan 04 2021	BUY Grant, award, or other acquisition	-	2,270 Added 0.18%	1,278,644 Common Stock

DRW

David R Walt

Billerica, MA

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells QTRX shares.

Notify only if

Value

Insider Trading

Get notified when an Quanterix Corp insider buys or sells QTRX shares.

Notify only if

Operation

Value

Type

News

Receive news related to Quanterix Corp

Track Activities on QTRX

Account