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
ADAMS RESOURCES & ENERGY INC COM NEW 006351308 299 7,823 SH   OTR   0 7,823 0
ADAMS RESOURCES & ENERGY INC COM NEW 006351308 913 23,872 SH   SOLE   23,872 0 0
AEHR TEST SYSTEMS COM 00760J108 4 2,220 SH   OTR   0 2,220 0
AEHR TEST SYSTEMS COM 00760J108 33 16,713 SH   SOLE   16,713 0 0
AH BELO CORP COM CL A 001282102 1,044 370,064 SH   OTR   0 370,064 0
AH BELO CORP COM CL A 001282102 1,677 594,605 SH   SOLE   594,605 0 0
AMERISERV FINANC INC COM 03074A102 205 48,753 SH   OTR   0 48,753 0
AMERISERV FINANC INC COM 03074A102 279 66,300 SH   SOLE   66,300 0 0
ASML HOLDING N V NY REG SHS N07059210 187 631 SH   OTR   0 631 0
ASML HOLDING N V NY REG SHS N07059210 348 1,176 SH   SOLE   1,176 0 0
ASTRONICS CORP COM 046433108 294 10,513 SH   OTR   0 10,513 0
ASTRONICS CORP COM 046433108 610 21,839 SH   SOLE   21,839 0 0
CAMDEN NATIONAL CORP COM 133034108 3,866 84,117 SH   OTR   0 84,117 0
CAMDEN NATIONAL CORP COM 133034108 2,697 58,687 SH   SOLE   58,687 0 0
CECO ENVIRONMENTAL CORP COM 125141101 271 35,458 SH   OTR   0 35,458 0
CECO ENVIRONMENTAL CORP COM 125141101 866 113,371 SH   SOLE   113,371 0 0
CENTERSTART BANK CORP COM 15201P109 789 31,567 SH   OTR   0 31,567 0
CENTERSTART BANK CORP COM 15201P109 957 38,319 SH   SOLE   38,319 0 0
CENTURY BANCORP INC MASS CL A NON VTG 156432106 1,721 19,172 SH   OTR   0 19,172 0
CENTURY BANCORP INC MASS CL A NON VTG 156432106 867 9,663 SH   SOLE   9,663 0 0
CHASE CORP COM 16150R104 4,829 40,757 SH   OTR   0 40,757 0
CHASE CORP COM 16150R104 14,373 121,313 SH   SOLE   121,313 0 0
CITIZENS & NORTHERN CORP COM 172922106 459 16,400 SH   OTR   0 16,400 0
CITIZENS & NORTHERN CORP COM 172922106 742 26,500 SH   SOLE   26,500 0 0
COLUMBIA FINANCIAL INC COM 197641103 572 33,794 SH   SOLE   33,794 0 0
COMMUNITY BANK SYS INC COM 203607106 996 14,035 SH   OTR   0 14,035 0
COMMUNITY BANK SYS INC COM 203607106 2 27 SH   SOLE   27 0 0
COMPUTER TASK GROUP INC COM 205477102 1,560 301,134 SH   OTR   0 301,134 0
COMPUTER TASK GROUP INC COM 205477102 4,516 871,799 SH   SOLE   871,799 0 0
COMPX INTERNATIONAL CL A 20563P101 126 8,642 SH   OTR   0 8,642 0
COMPX INTERNATIONAL CL A 20563P101 325 22,309 SH   SOLE   22,309 0 0
CONTINENTAL MATERIALS CORP COM PAR $0.25 211615307 71 8,983 SH   OTR   0 8,983 0
CONTINENTAL MATERIALS CORP COM PAR $0.25 211615307 207 26,275 SH   SOLE   26,275 0 0
DAWSON GEOPHYSICAL CO NEW COM 239360100 187 78,014 SH   OTR   0 78,014 0
DAWSON GEOPHYSICAL CO NEW COM 239360100 767 319,749 SH   SOLE   319,749 0 0
DELUXE CORP COM 248019101 1,091 21,859 SH   OTR   0 21,859 0
DELUXE CORP COM 248019101 474 9,500 SH   SOLE   9,500 0 0
DLH HOLDINGS CORP COM 23335Q100 92 22,000 SH   OTR   0 22,000 0
DLH HOLDINGS CORP COM 23335Q100 273 65,192 SH   SOLE   65,192 0 0
DONEGAL GROUP INC CL B 257701300 124 10,304 SH   OTR   0 10,304 0
DONEGAL GROUP INC CL B 257701300 161 13,356 SH   SOLE   13,356 0 0
DONEGAL GROUP INC CL A 257701201 300 20,326 SH   OTR   0 20,326 0
DONEGAL GROUP INC CL A 257701201 48 3,280 SH   SOLE   3,280 0 0
DORMAN PRODUCTS INC COM 258278100 771 10,190 SH   OTR   0 10,190 0
DORMAN PRODUCTS INC COM 258278100 1,119 14,780 SH   SOLE   14,780 0 0
EAGLE BANCORP MONT INC COM 26942G100 152 7,185 SH   OTR   0 7,185 0
EAGLE BANCORP MONT INC COM 26942G100 365 17,198 SH   SOLE   17,198 0 0
EASTERN CO COM 276317104 3,613 119,115 SH   OTR   0 119,115 0
EASTERN CO COM 276317104 6,602 217,685 SH   SOLE   217,685 0 0
EMCLAIRE FINANCIAL CORP COM 290828102 348 10,715 SH   OTR   0 10,715 0
EMCLAIRE FINANCIAL CORP COM 290828102 82 2,535 SH   SOLE   2,535 0 0
ENTERCOM COMMUNICATIONS COM 293639100 588 126,825 SH   OTR   0 126,825 0
ENTERCOM COMMUNICATIONS COM 293639100 1,702 366,902 SH   SOLE   366,902 0 0
ESCALADE INC COM 296056104 1,686 172,872 SH   OTR   0 172,872 0
ESCALADE INC COM 296056104 2,176 223,164 SH   SOLE   223,164 0 0
FIRST MERCHANTS CORP COM 320817109 203 4,875 SH   OTR   0 4,875 0
FIRST MERCHANTS CORP COM 320817109 294 7,085 SH   SOLE   7,085 0 0
FIVE STAR SENIOR LIVING INC COM 33832D106 108 26,515 SH   OTR   0 26,515 0
FIVE STAR SENIOR LIVING INC COM 33832D106 431 105,854 SH   SOLE   105,854 0 0
FLOTEK INDUSTRIES INC DEL COM 343389102 77 38,654 SH   OTR   0 38,654 0
FLOTEK INDUSTRIES INC DEL COM 343389102 255 127,500 SH   SOLE   127,500 0 0
FNB CORP COM 302520101 248 19,496 SH   OTR   0 19,496 0
FNB CORP COM 302520101 942 74,170 SH   SOLE   74,170 0 0
FOSTER L B CO COM 350060109 1,268 65,612 SH   OTR   0 65,612 0
FOSTER L B CO COM 350060109 434 22,489 SH   SOLE   22,489 0 0
FREIGHTCAR AMERICA INC COM 357023100 140 68,303 SH   OTR   0 68,303 0
FREIGHTCAR AMERICA INC COM 357023100 496 241,845 SH   SOLE   241,845 0 0
FSB BANCORP INC COM 30289C102 22 1,306 SH   OTR   0 1,306 0
FSB BANCORP INC COM 30289C102 167 9,734 SH   SOLE   9,734 0 0
GP STRATEGIES CORP COM 36225V104 274 20,676 SH   OTR   0 20,676 0
GP STRATEGIES CORP COM 36225V104 701 53,007 SH   SOLE   53,007 0 0
GREAT LAKES DREDGE & DOCK CO COM 390607109 3,916 345,917 SH   OTR   0 345,917 0
GREAT LAKES DREDGE & DOCK CO COM 390607109 7,544 666,433 SH   SOLE   666,433 0 0
GSE SYSTEMS INC COM 36227K106 93 56,332 SH   OTR   0 56,332 0
GSE SYSTEMS INC COM 36227K106 338 204,609 SH   SOLE   204,609 0 0
HORIZON BANCORP INDIANA COM 440407104 199 10,476 SH   OTR   0 10,476 0
HORIZON BANCORP INDIANA COM 440407104 626 32,986 SH   SOLE   32,986 0 0
HV BANCORP INC COM 40441H105 440 25,890 SH   SOLE   25,890 0 0
ICC HOLDINGS INC COM 44931Q104 156 11,347 SH   OTR   0 11,347 0
ICC HOLDINGS INC COM 44931Q104 238 17,345 SH   SOLE   17,345 0 0
IMMUCELL CORP COM 452525306 28 5,500 SH   OTR   0 5,500 0
IMMUCELL CORP COM 452525306 47 9,059 SH   SOLE   9,059 0 0
INFORMATION SVCS GROUP COM 45675Y104 14 5,505 SH   OTR   0 5,505 0
INFORMATION SVCS GROUP COM 45675Y104 36 14,299 SH   SOLE   14,299 0 0
INFUSYSTEM HLDGS INC COM 45685K102 6,538 766,452 SH   OTR   0 766,452 0
INFUSYSTEM HLDGS INC COM 45685K102 11,194 1,312,296 SH   SOLE   1,312,296 0 0
INVESTORS BANCORP INC NEW COM 46146L101 294 24,711 SH   OTR   0 24,711 0
INVESTORS BANCORP INC NEW COM 46146L101 810 67,990 SH   SOLE   67,990 0 0
KEWAUNEE SCIENTIFIC CORP COM 492854104 329 24,451 SH   SOLE   24,451 0 0
KEWAUNEE SCIENTIFIC CORP COM 492854104 105 7,800 SH   OTR   0 7,800 0
KOSS CORP COM 500692108 45 29,570 SH   OTR   0 29,570 0
KOSS CORP COM 500692108 271 179,160 SH   SOLE   179,160 0 0
KURA ONCOLOGY INC COM 50127T109 421 30,643 SH   OTR   0 30,643 0
KURA ONCOLOGY INC COM 50127T109 643 46,779 SH   SOLE   46,779 0 0
LAKE SHORE BANCORP INC COM 510700107 129 8,405 SH   OTR   0 8,405 0
LAKE SHORE BANCORP INC COM 510700107 310 20,269 SH   SOLE   20,269 0 0
LGL GROUP INC COM 50186A108 191 12,754 SH   OTR   0 12,754 0
LGL GROUP INC COM 50186A108 273 18,219 SH   SOLE   18,219 0 0
MACKINAC FINANCIAL CORP COM 554571109 347 19,972 SH   SOLE   19,972 0 0
MACKINAC FINANCIAL CORP COM 554571109 155 8,960 SH   OTR   0 8,960 0
MALVERN BANCORP INC COM 561409103 1,034 44,781 SH   SOLE   44,781 0 0
MID PENN BANCORP COM 59540G107 439 15,519 SH   OTR   0 15,519 0
MID PENN BANCORP COM 59540G107 883 31,240 SH   SOLE   31,240 0 0
MID SOUTHERN BANCORP COM 59548Q107 120 8,915 SH   OTR   0 8,915 0
MID SOUTHERN BANCORP COM 59548Q107 172 12,791 SH   SOLE   12,791 0 0
MUTUALFIRST FINANCIAL INC COM 62845B104 730 18,445 SH   OTR   0 18,445 0
MUTUALFIRST FINANCIAL INC COM 62845B104 224 5,666 SH   SOLE   5,666 0 0
NAVIGATOR HOLDINGS LTD SHS Y62132108 1,603 119,039 SH   OTR   0 119,039 0
NAVIGATOR HOLDINGS LTD SHS Y62132108 3,447 255,912 SH   SOLE   255,912 0 0
NI HOLDINGS INC COM 65342T106 815 47,756 SH   OTR   0 47,756 0
NI HOLDINGS INC COM 65342T106 1,714 100,400 SH   SOLE   100,400 0 0
NORTHWEST BANCSHARES INC MD COM 667340103 546 32,857 SH   OTR   0 32,857 0
NORTHWEST BANCSHARES INC MD COM 667340103 476 28,625 SH   SOLE   28,625 0 0
NORWOOD FINANCIAL CORP COM 669549107 240 6,286 SH   OTR   0 6,286 0
NORWOOD FINANCIAL CORP COM 669549107 341 8,952 SH   SOLE   8,952 0 0
NUVERRA ENVIRONMENTAL COM 67091K302 21 7,258 SH   OTR   0 7,258 0
NUVERRA ENVIRONMENTAL COM 67091K302 38 12,997 SH   SOLE   12,997 0 0
OCONEE FED FINL CORP COM 675607105 217 8,362 SH   OTR   0 8,362 0
OCONEE FED FINL CORP COM 675607105 298 11,451 SH   SOLE   11,451 0 0
PATHFINDER BANCORP INC COM 70319R109 964 69,089 SH   OTR   0 69,089 0
PATHFINDER BANCORP INC COM 70319R109 2,541 182,166 SH   SOLE   182,166 0 0
PATRIOT TRANSPORTATION HOLDING INC COM 70338W105 1,015 52,098 SH   OTR   0 52,098 0
PATRIOT TRANSPORTATION HOLDING INC COM 70338W105 3,701 189,987 SH   SOLE   189,987 0 0
PB BANCORP INC COM 70454T100 120 7,890 SH   OTR   0 7,890 0
PB BANCORP INC COM 70454T100 329 21,722 SH   SOLE   21,722 0 0
PROASSURANCE CORP COM 74267C106 587 16,239 SH   OTR   0 16,239 0
PROASSURANCE CORP COM 74267C106 314 8,700 SH   SOLE   8,700 0 0
RAND CAPITAL CORP COM 752185108 29 10,679 SH   OTR   0 10,679 0
RAND CAPITAL CORP COM 752185108 5 1,820 SH   SOLE   1,820 0 0
RICHMOND MUTUAL BANCORP COM 76525P100 479 30,000 SH   SOLE   30,000 0 0
RIVERVIEW FINANCIAL CORP COM 76940Q105 232 19,216 SH   OTR   0 19,216 0
RIVERVIEW FINANCIAL CORP COM 76940Q105 491 40,692 SH   SOLE   40,692 0 0
SAEXPLORATION HOLDINGS INC COM PAR 78636X873 92 30,476 SH   OTR   0 30,476 0
SAGA COMMUNICATIONS INC CL A NEW 786598300 955 31,409 SH   OTR   0 31,409 0
SAGA COMMUNICATIONS INC CL A NEW 786598300 3,054 100,458 SH   SOLE   100,458 0 0
SCRIPPS E W CO OHIO CL A NEW 811054402 3,290 209,930 SH   OTR   0 209,930 0
SCRIPPS E W CO OHIO CL A NEW 811054402 5,961 380,382 SH   SOLE   380,382 0 0
SIFCO INDUSTRIES INC COM 826546103 121 41,034 SH   OTR   0 41,034 0
SIFCO INDUSTRIES INC COM 826546103 448 151,746 SH   SOLE   151,746 0 0
STARRETT L S CO CL A 855668109 17 3,000 SH   OTR   0 3,000 0
STARRETT L S CO CL A 855668109 75 13,100 SH   SOLE   13,100 0 0
STATE AUTO FINANCIAL CORP COM 855707105 68 2,180 SH   OTR   0 2,180 0
STATE AUTO FINANCIAL CORP COM 855707105 246 7,943 SH   SOLE   7,943 0 0
SUNLINK HEALTH SYSTEMS INC COM 86737U102 50 46,733 SH   SOLE   46,733 0 0
SYNALLOY CP DEL COM 871565107 311 24,277 SH   OTR   0 24,277 0
SYNALLOY CP DEL COM 871565107 704 55,055 SH   SOLE   55,055 0 0
TCF FINANCIAL CORPORATION COM 872307103 60 1,274 SH   OTR   0 1,274 0
TCF FINANCIAL CORPORATION COM 872307103 412 8,805 SH   SOLE   8,805 0 0
TRANSCAT INC COM 893529107 3,638 114,757 SH   OTR   0 114,757 0
TRANSCAT INC COM 893529107 7,027 221,660 SH   SOLE   221,660 0 0
TRUIST FINANCIAL CORP COM 89832Q109 478 8,488 SH   SOLE   8,488 0 0
UNIVERSAL STAINLESS & ALLOY COM 913837100 2,296 155,451 SH   OTR   0 155,451 0
UNIVERSAL STAINLESS & ALLOY COM 913837100 4,326 292,892 SH   SOLE   292,892 0 0
US LIME & MINERAL COM 911922102 4,941 55,274 SH   OTR   0 55,274 0
US LIME & MINERAL COM 911922102 7,112 79,547 SH   SOLE   79,547 0 0
VERSO CORP CL A 92531L207 435 24,100 SH   OTR   0 24,100 0
VERSO CORP CL A 92531L207 797 44,200 SH   SOLE   44,200 0 0
VILLAGE BANK & TRUST FIN CO COM NEW 92705T200 800 21,547 SH   SOLE   21,547 0 0
VILLAGE BANK & TRUST FIN CO COM NEW 92705T200 63 1,698 SH   OTR   0 1,698 0
VIRCO MANUFACTURING CO COM 927651109 1,301 306,173 SH   OTR   0 306,173 0
VIRCO MANUFACTURING CO COM 927651109 2,728 641,889 SH   SOLE   641,889 0 0
VOLT INFORMATION SCIENCES COM 928703107 13 5,362 SH   OTR   0 5,362 0
VOLT INFORMATION SCIENCES COM 928703107 33 13,300 SH   SOLE   13,300 0 0
WSFS FINANCIAL CORP COM 929328102 26 581 SH   OTR   0 581 0
WSFS FINANCIAL CORP COM 929328102 363 8,257 SH   SOLE   8,257 0 0