Pulmatrix, Inc. — Director's Dealing 2018

Apr 6, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Pulmatrix, Inc. (PULM)
CIK: 0001574235
Period of Report: 2018-04-03

Reporting Person: GILLIS STEVEN (Director)
Reporting Person: Arch Venture Fund VII LP (Former 10% owner)
Reporting Person: ARCH Venture Partners VII, L.P. (Former 10% owner)
Reporting Person: ARCH Venture Partners VII, LLC (Former 10% owner)
Reporting Person: CRANDELL KEITH (Former 10% owner)
Reporting Person: BYBEE CLINTON (Former 10% owner)
Reporting Person: NELSEN ROBERT (Former 10% owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-04-03	Common Stock	P	1150000	—	Acquired	3436456	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-04-03	Series A Warrant (right to buy)	$0.65	P	1150000	Acquired	2018-10-03	Common Stock (1150000)	Indirect
2018-04-03	Series B Warrant (right to buy)	$0.75	P	1150000	Acquired	2023-04-03	Common Stock (1150000)	Indirect

Footnotes

F1: The reported securities were included within 1,150,000 Units purchased by ARCH Venture Fund VII, L.P. ("ARCH VII") for $0.65 per Unit. Each Unit consisted of one share of common stock, one Series A Warrant to purchase one share of common stock at an exercise price of $0.65 per share, and one Series B Warrant to purchase one share of common stock at an exercise price of $0.75 per share.

F2: Securities held of record byARCH VII. The sole general partner of ARCH VII is ARCH Venture Partners VII, L.P. ("ARCH Partners VII"), which may be deemed to have shared voting and investment power over the shares held by ARCH VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC ("ARCH VII LLC"), which may be deemed to have shared voting and investment power over the shares held by ARCH VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F3: The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen and they may be deemed to have shared voting and investment power over the shares held by ARCH VII. Dr. Steve Gillis owns an interest in ARCH Partners VII, but does not have dispositive or voting power. Messrs. Crandell, Bybee and Nelsen and Dr. Gillis disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.