Quanterix Corp — Director's Dealing 2020

Nov 25, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Quanterix Corp (QTRX)
CIK: 0001503274
Period of Report: 2020-11-20

Reporting Person: CRANDELL KEITH (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-11-20	Common Stock	J	229006	—	Disposed	2182995	Indirect
2020-11-20	Common Stock	J	145994	—	Disposed	1391690	Indirect
2020-11-20	Common Stock	J	854	—	Acquired	10925	Direct
2020-11-24	Common Stock	J	277514	—	Disposed	1905481	Indirect
2020-11-24	Common Stock	J	176920	—	Disposed	1214770	Indirect
2020-11-24	Common Stock	J	1034	—	Acquired	11959	Direct

Footnotes

F1: Distribution of Common Stock held by a limited partnership to its partners for no consideration.

F2: These shares are directly held by ARCH Venture Fund VI, L.P. ("ARCH VI"). ARCH Venture Partners VI, L.P. ("GPLP"), the sole general partner of ARCH VI, may be deemed to beneficially own the shares held by ARCH VI. ARCH Venture Partners VI, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by ARCH VI. The Reporting Person is a managing director of the GPLLC and shares voting and investment control with respect to these shares. The Reporting Person may be deemed to beneficially own the shares held by ARCH VI. The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of his pecuniary interest therein, if any.

F3: These shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). ARCH Venture Partners VIII, LLC ("ARCH VIII LLC") the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. The Reporting Person is a managing director of the ARCH VIII LLC and shares voting and investment control with respect to these shares. The Reporting Person may be deemed to beneficially own the shares held by ARCH Overage. The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of his pecuniary interest therein, if any.

F4: Change from indirect to direct ownership of shares previously reported as beneficially owned by the Reporting Person.