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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
10X GENOMICS INC CL A COM 88025U109   837,375 203 SH   SOLE   203 0 0
AMPLITECH GROUP INC COM NEW 03211Q200   189,799 93,960 SH   SOLE   93,960 0 0
APPLIED DNA SCIENCES INC COM 03815U300   710,551 587,232 SH   SOLE   587,232 0 0
ARC DOCUMENT SOLUTIONS INC COM 00191G103   3,428,221 1,078,057 SH   SOLE   1,078,057 0 0
ASPEN AEROGELS INC COM 04523Y105   3,142,827 362,970 SH   SOLE   362,970 0 0
CAESARSTONE LTD ORD SHS M20598104   971,414 226,966 SH   SOLE   226,966 0 0
CALAMP CORP COM 128126109   319,509 787,745 SH   SOLE   787,745 0 0
CODEXIS INC COM 192005106   446,885 236,447 SH   SOLE   236,447 0 0
CONDUENT INC COM 206787103   5,185,200 1,490,000 SH   SOLE   1,490,000 0 0
CPS TECHNOLOGIES CORP COM 12619F104   620,746 223,290 SH   SOLE   223,290 0 0
CVD EQUIP CORP COM 126601103   4,076,573 613,000 SH   SOLE   613,000 0 0
FORTIVE CORP COM 34959J108   1,483,200 200 SH   SOLE   200 0 0
GENPREX INC COM 372446104   321,107 813,135 SH   SOLE   813,135 0 0
HARVARD BIOSCIENCE INC COM 416906105   9,207,818 2,141,353 SH   SOLE   2,141,353 0 0
IRIDEX CORP COM 462684101   1,618,242 637,103 SH   SOLE   637,103 0 0
LANTRONIX INC COM NEW 516548203   5,067,135 1,138,682 SH   SOLE   1,138,682 0 0
LIGHTPATH TECHNOLOGIES INC COM CL A 532257805   3,636,891 2,508,201 SH   SOLE   2,508,201 0 0
LUNA INNOVATIONS INC COM 550351100   8,809,649 1,503,353 SH   SOLE   1,503,353 0 0
MICROCHIP TECHNOLOGY INC. COM 595017104   2,341,500 300 SH   SOLE   300 0 0
MYRIAD GENETICS INC COM 62855J104   758,451 47,285 SH   SOLE   47,285 0 0
NANOSTRING TECHNOLOGIES INC COM 63009R109   946,000 550,000 SH   SOLE   550,000 0 0
ORION GROUP HLDGS INC COM 68628V308   9,950,299 1,856,399 SH   SOLE   1,856,399 0 0
SCYNEXIS INC COM NEW 811292200   535,317 234,788 SH   SOLE   234,788 0 0
TEXAS INSTRS INC COM 882508104   3,180,200 200 SH   SOLE   200 0 0
TRANSALTA CORP COM 89346D107   2,913,317 334,864 SH   SOLE   334,864 0 0
TWIN DISC INC COM 901476101   11,051,501 805,503 SH   SOLE   805,503 0 0
UNIVERSAL ELECTRS INC COM 913483103   2,678,800 296,000 SH   SOLE   296,000 0 0
VISHAY INTERTECHNOLOGY INC COM 928298108   4,763,544 1,927 SH   SOLE   1,927 0 0
WESTPORT FUEL SYSTEMS INC COM 960908507   991,052 163,540 SH   SOLE   163,540 0 0
XTANT MED HLDGS INC COM NEW 98420P308   653,432 594,029 SH   SOLE   594,029 0 0
ZYNEX INC COM 98986M103   156,960 19,620 SH   SOLE   19,620 0 0