ASPEN AEROGELS INC — Director's Dealing 2015

Mar 12, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ASPEN AEROGELS INC (ASPN)
CIK: 0001145986
Period of Report: 2015-03-11

Reporting Person: Schmidt Kevin Alan (VP, Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-03-11	Common Stock	A	11936	$0.00	Acquired	28514	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-03-11	Stock Options (right to buy)	$7.54	A	21621	Acquired	2025-03-11	Common Stock (21621)	Direct

Footnotes

F1: Each restricted stock unit ("RSU") represents the right to receive one share of common stock upon vesting. The RSUs vest as to one-third of the shares on March 11, 2016 and as to an additional one-third of the shares each successive twelve-month period thereafter, until March 11, 2018.

F2: Represents 28,514 RSUs

F3: The options vest as to one-third of the options on March 11, 2016 and as to an additional one-third of the options each successive twelve-month period thereafter, until March 11, 2018.