The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8

COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ARC DOCUMENT SOLUTIONS INC COM 00191G103 1,841 700,119 SH   SOLE   700,119 0 0
ASPEN AEROGELS INC COM 04523Y105 988 100,000 SH   SOLE   100,000 0 0
ASPEN AEROGELS INC COM 04523Y105 599 606 SH Call SOLE   606 0 0
ATENTO S A SHS L0427L204 865 86,581 SH   SOLE   86,581 0 0
ATN INTL INC COM 00215F107 4,691 100,000 SH   SOLE   100,000 0 0
CONDUENT INC COM 206787103 4,320 1,000,000 SH   SOLE   1,000,000 0 0
CVD EQUIP CORP COM 126601103 2,607 660,000 SH   SOLE   660,000 0 0
DIGI INTL INC COM 253798102 2,698 1,114 SH Call SOLE   1,114 0 0
HARVARD BIOSCIENCE INC COM 416906105 4,500 1,250,000 SH   SOLE   1,250,000 0 0
INTEVAC INC COM 461148108 1,210 250,000 SH   SOLE   250,000 0 0
LUNA INNOVATIONS INC COM 550351100 202 346 SH Call SOLE   346 0 0
LUNA INNOVATIONS INC COM 550351100 9,678 1,660,026 SH   SOLE   1,660,026 0 0
MATCH GROUP INC NEW COM 57667L107 1,045 150 SH Call SOLE   150 0 0
NEXTGEN HEALTHCARE INC COM 65343C102 2,616 150,000 SH   SOLE   150,000 0 0
REALNETWORKS INC COM NEW 75605L708 587 930,504 SH   SOLE   930,504 0 0
SERVICESOURCE INTL INC COM 81763U100 3,584 2,437,911 SH   SOLE   2,437,911 0 0
SIERRA WIRELESS INC COM 826516106 2,752 1,176 SH Call SOLE   1,176 0 0
SPARK NETWORKS SE SPONSORED ADS 846517100 3,383 1,060,499 SH   SOLE   1,060,499 0 0
TRAVELCENTERS OF AMERICA INC COM NEW 89421B109 1,883 54,638 SH   SOLE   54,638 0 0
TWIN DISC INC COM 901476101 6,137 677,392 SH   SOLE   677,392 0 0
VOXX INTL CORP CL A 91829F104 580 62,314 SH   SOLE   62,314 0 0
WESTPORT FUEL SYSTEMS INC COM NEW 960908309 1,183 1,171,134 SH   SOLE   1,171,134 0 0