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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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ALGOMA STL GROUP INC COM 015658107   404,000 50,000 SH Call SOLE   50,000 0 0
ARC DOCUMENT SOLUTIONS INC COM 00191G103   3,487,000 1,100,000 SH   SOLE   1,100,000 0 0
ATN INTL INC COM 00215F107   2,700,720 66,000 SH   SOLE   66,000 0 0
BRIGHTCOVE INC COM 10921T101   1,598,182 359,142 SH   SOLE   359,142 0 0
CALAMP CORP COM 128126109   2,872,000 800,000 SH   SOLE   800,000 0 0
CONDUENT INC COM 206787103   2,744,000 800,000 SH   SOLE   800,000 0 0
CPS TECHNOLOGIES CORP COM 12619F104   750,137 263,206 SH   SOLE   263,206 0 0
CVD EQUIP CORP COM 126601103   8,975,891 674,879 SH   SOLE   674,879 0 0
DIGI INTL INC COM 253798102   404,800 12,019 SH   SOLE   12,019 0 0
HARVARD BIOSCIENCE INC COM 416906105   8,626,409 2,053,907 SH   SOLE   2,053,907 0 0
ICAD INC COM NEW 44934S206   149,786 120,795 SH   SOLE   120,795 0 0
INTEVAC INC COM 461148108   2,440,890 333,000 SH   SOLE   333,000 0 0
IRIDEX CORP COM 462684101   54,891 27,040 SH   SOLE   27,040 0 0
LIGHTPATH TECHNOLOGIES INC COM CL A 532257805   3,110,350 2,205,922 SH   SOLE   2,205,922 0 0
LUNA INNOVATIONS INC COM 550351100   10,898,645 1,515,806 SH   SOLE   1,515,806 0 0
NATIONAL INSTRS CORP COM 636518102   5,864,679 111,900 SH Call SOLE   111,900 0 0
NEXTGEN HEALTHCARE INC COM 65343C102   2,648,583 152,130 SH   SOLE   152,130 0 0
RIBBON COMMUNICATIONS INC COM 762544104   4,924,800 1,440,000 SH   SOLE   1,440,000 0 0
SCYNEXIS INC COM NEW 811292200   750,000 250,000 SH   SOLE   250,000 0 0
TRAVELCENTERS OF AMERICA INC COM NEW 89421B109   5,475,450 63,300 SH Put SOLE   63,300 0 0
TRAVELCENTERS OF AMERICA INC COM NEW 89421B109   5,536,000 64,000 SH   SOLE   64,000 0 0
TWIN DISC INC COM 901476101   6,819,820 715,616 SH   SOLE   715,616 0 0
VEECO INSTRS INC DEL COM 922417100   2,113,000 100,000 SH Call SOLE   100,000 0 0
VOXX INTL CORP CL A 91829F104   773,547 62,737 SH   SOLE   62,737 0 0
WESTPORT FUEL SYSTEMS INC COM NEW 960908309   3,143,250 3,300,000 SH   SOLE   3,300,000 0 0