Form 4 for QTRX Quanterix Corp

Accepted 2025-07-10 00:00:00 ET · period of report 2025-07-08 · accession 0001562180-25-005379 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
DM	2025-07-10	2025-07-08	QTRX	Mendel Scott	Dir	A - Grant	$0.00	+28.7K	4,189	New	$0
D	2025-07-10	2025-07-08	QTRX	Mendel Scott	Dir	A - Grant	$0.00	+50.8K	50.8K	New	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2025-07-08	A	A	24,464	$0.00	28,653	D	—	—	(F2) Represents shares of stock issuable on vesting of restricted stock units. The restricted stock units vest as to one-third of the shares on each of July 8, 2026, July 8, 2027 and July 8, 2028. (F3) Includes 24,464 restricted stock units.
2	Common	Common Stock	2025-07-08	A	A	4,189	—	4,189	D	—	—	(F1) Received in exchange for 28,500 shares of Akoya Biosciences, Inc. ("Akoya") common stock in connection with the acquisition of Akoya by Quanterix on July 8, 2025. Mr. Mendel received: (a) 0.1470 of a share of Quanterix common stock and (b) $0.37 in cash, for each share of Akoya common stock. The closing price of the Quanterix common stock on July 8, 2025 was $6.54 per share. The closing price of the Akoya common stock on July 7, 2025 was $1.29 per share.
3	Derivative	Stock Option (right to buy)	2025-07-08	A	A	50,758	$0.00	50,758	D	$6.54 · — to 2035-07-08	50,578 Common Stock	(F4) The option vests as to one-third of the shares on July 8, 2026, and the remaining two-thirds of the shares vest monthly thereafter over two years in 24 successive equal installments.