Vandana Sriram Quanterix Corp (QTRX) insider trading activity

Vandana Sriram is Chief Financial Officer of Quanterix Corp. Currently has a direct ownership of 86,971 shares of QTRX, which is worth approximately $456,597. The most recent transaction as insider was on Sep 15, 2025, when has been sold 229 shares (Common Stock) at a price of $4.97 per share, resulting in proceeds of $1,138. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 87K

4.15% 3M change

139.63% 12M change

Total Value Held $456,597

Vandana Sriram Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 15 2025	SELL Payment of exercise price or tax liability	$1,138 $4.97 p/Share	229 Reduced 0.26%	86,971 Common Stock
Sep 12 2025	BUY Open market or private purchase	$19,878 $4.79 p/Share	4,150 Added 4.54%	87,200 Common Stock
Aug 15 2025	SELL Payment of exercise price or tax liability	$1,046 $4.57 p/Share	229 Reduced 0.27%	83,050 Common Stock
Jul 15 2025	SELL Payment of exercise price or tax liability	$1,257 $5.49 p/Share	229 Reduced 0.27%	83,279 Common Stock
Jun 15 2025	SELL Payment of exercise price or tax liability	$1,387 $6.06 p/Share	229 Reduced 0.27%	83,508 Common Stock
May 15 2025	SELL Payment of exercise price or tax liability	$1,030 $4.5 p/Share	229 Reduced 0.27%	83,737 Common Stock
Apr 15 2025	SELL Payment of exercise price or tax liability	$1,227 $5.36 p/Share	229 Reduced 0.27%	83,966 Common Stock
Mar 15 2025	SELL Payment of exercise price or tax liability	$1,616 $7.06 p/Share	229 Reduced 0.27%	84,195 Common Stock
Feb 15 2025	SELL Payment of exercise price or tax liability	$740 $8.05 p/Share	92 Reduced 0.11%	84,424 Common Stock
Feb 04 2025	BUY Grant, award, or other acquisition	-	50,712 Added 37.5%	84,516 Common Stock
Feb 02 2025	SELL Payment of exercise price or tax liability	$19,905 $9.19 p/Share	2,166 Reduced 6.02%	33,804 Common Stock
Jan 15 2025	SELL Payment of exercise price or tax liability	$801 $8.62 p/Share	93 Reduced 0.26%	35,970 Common Stock
Dec 15 2024	SELL Payment of exercise price or tax liability	$801 $10.68 p/Share	75 Reduced 0.21%	36,063 Common Stock
Nov 15 2024	SELL Payment of exercise price or tax liability	$892 $11.44 p/Share	78 Reduced 0.22%	36,138 Common Stock
Oct 15 2024	SELL Payment of exercise price or tax liability	$973 $12.48 p/Share	78 Reduced 0.21%	36,216 Common Stock
Sep 15 2024	SELL Payment of exercise price or tax liability	$999 $12.82 p/Share	78 Reduced 0.21%	36,294 Common Stock
Aug 21 2024	SELL Payment of exercise price or tax liability	$12,190 $13.15 p/Share	927 Reduced 2.49%	36,372 Common Stock
Feb 02 2024	BUY Grant, award, or other acquisition	-	24,675 Added 39.82%	37,299 Common Stock
Aug 21 2023	BUY Grant, award, or other acquisition	-	12,624 Added 50.0%	12,624 Common Stock

Also insider at

AZTA

Azenta, Inc. Healthcare

SVP Finance & Corp. Controller

Vandana Sriram

Chief Financial Officer

Chelmsford, MA

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