Masoud Toloue Quanterix Corp (QTRX) insider trading activity

Masoud Toloue is President & CEO of Quanterix Corp. Currently has a direct ownership of 517,426 shares of QTRX, which is worth approximately $3.26 Million. The most recent transaction as insider was on Jun 30, 2025, when has been sold 254 shares (Common Stock) at a price of $6.65 per share, resulting in proceeds of $1,689. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 517K

8.98% 3M change

54.23% 12M change

Total Value Held $3.26 Million

Masoud Toloue Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jun 30 2025	SELL Payment of exercise price or tax liability	$1,689 $6.65 p/Share	254 Reduced 0.05%	517,426 Common Stock
Jun 15 2025	SELL Payment of exercise price or tax liability	$7,526 $6.06 p/Share	1,242 Reduced 0.24%	517,680 Common Stock
Jun 09 2025	BUY Open market or private purchase	$248,778 $5.42 p/Share	45,900 Added 8.13%	518,922 Common Stock
May 31 2025	SELL Payment of exercise price or tax liability	$1,320 $5.2 p/Share	254 Reduced 0.05%	473,022 Common Stock
May 15 2025	SELL Payment of exercise price or tax liability	$5,589 $4.5 p/Share	1,242 Reduced 0.26%	473,276 Common Stock
Apr 30 2025	SELL Payment of exercise price or tax liability	$1,463 $5.76 p/Share	254 Reduced 0.05%	474,518 Common Stock
Apr 15 2025	SELL Payment of exercise price or tax liability	$6,408 $5.16 p/Share	1,242 Reduced 0.26%	474,772 Common Stock
Mar 31 2025	SELL Payment of exercise price or tax liability	$1,653 $6.51 p/Share	254 Reduced 0.05%	476,014 Common Stock
Mar 15 2025	SELL Payment of exercise price or tax liability	$8,768 $7.06 p/Share	1,242 Reduced 0.26%	476,268 Common Stock
Feb 28 2025	SELL Payment of exercise price or tax liability	$1,874 $7.59 p/Share	247 Reduced 0.05%	477,510 Common Stock
Feb 15 2025	SELL Payment of exercise price or tax liability	$6,053 $8.05 p/Share	752 Reduced 0.16%	477,757 Common Stock
Feb 04 2025	BUY Grant, award, or other acquisition	-	138,790 Added 22.48%	478,509 Common Stock
Feb 02 2025	SELL Payment of exercise price or tax liability	$55,847 $9.19 p/Share	6,077 Reduced 1.76%	339,719 Common Stock
Jan 31 2025	SELL Payment of exercise price or tax liability	$2,738 $9.19 p/Share	298 Reduced 0.09%	345,796 Common Stock
Jan 15 2025	SELL Payment of exercise price or tax liability	$7,809 $8.62 p/Share	906 Reduced 0.26%	346,094 Common Stock
Dec 31 2024	SELL Payment of exercise price or tax liability	$4,411 $10.63 p/Share	415 Reduced 0.12%	347,000 Common Stock
Dec 15 2024	SELL Payment of exercise price or tax liability	$8,031 $10.68 p/Share	752 Reduced 0.22%	347,415 Common Stock
Nov 30 2024	SELL Payment of exercise price or tax liability	$4,537 $12.33 p/Share	368 Reduced 0.11%	348,167 Common Stock
Nov 15 2024	SELL Payment of exercise price or tax liability	$12,812 $11.44 p/Share	1,120 Reduced 0.32%	348,535 Common Stock
Oct 31 2024	SELL Payment of exercise price or tax liability	$4,864 $13.22 p/Share	368 Reduced 0.11%	349,655 Common Stock
Oct 15 2024	SELL Payment of exercise price or tax liability	$13,977 $12.48 p/Share	1,120 Reduced 0.32%	350,023 Common Stock
Sep 30 2024	SELL Payment of exercise price or tax liability	$4,600 $12.5 p/Share	368 Reduced 0.1%	351,143 Common Stock
Sep 15 2024	SELL Payment of exercise price or tax liability	$14,358 $12.82 p/Share	1,120 Reduced 0.32%	351,511 Common Stock
Aug 31 2024	SELL Payment of exercise price or tax liability	$4,795 $13.03 p/Share	368 Reduced 0.1%	352,631 Common Stock
Aug 15 2024	SELL Payment of exercise price or tax liability	$12,712 $11.35 p/Share	1,120 Reduced 0.32%	352,999 Common Stock

Masoud Toloue

President & CEO

Billercia, MA

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