SEC Form 4 · accession 0001651235-18-000068

Acacia Communications, Inc. · ACIA

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

10% Owner

Period of report

Mar 13, 2018

Accepted (ET)

Mar 15, 2018 · 5:37 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001651235

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F2	Mar 13, 2018	J	1,000,000	$0.00	D	9,646,247	I	By Matrix Partners VIII, L.P.
Common Stock^F2	Mar 13, 2018	J	551	$0.00	D	5,318	I	By Weston and Co. VIII LLC
Common Stock^F2	Mar 13, 2018	J	551	$0.00	A	551	D
Common Stock^F2	Mar 13, 2018	J	301,716	$0.00	A	302,267	D
Common Stock^F2	Mar 13, 2018	J	297,438	$0.00	D	4,829	D

No Table II lines on this filing.

F1Represents a pro-rata distribution by Matrix Partners VIII, L.P., with no consideration, to its partners.
F2Mr. Reiss is a Managing Member of Matrix VIII US Management Co., L.L.C., which is the general partner of Matrix Partners VIII, L.P., and the beneficial owner of the shares reported herein as being held of record by Weston and Co. VIII LLC. Mr. Reiss, by virtue of his management position in Matrix VIII US Management Co., L.L.C., has sole voting and dispositive power with respect to these shares. Mr. Reiss disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.
F3Re-registration of shares by Weston and Co. VIII L.L.C., without consideration, in the name of Matrix VIII US Management Co., L.L.C., the beneficial owner of those shares.
F4Represents the shares received in connection with the pro-rata distribution by Matrix Partners VIII, L.P., without consideration to its partners.
F5Represents pro-rata distribution by Matrix VIII US Management Co., L.L.C., without consideration, to its members.