| 
                   HD Supply Holdings, Inc.
                   (HDS) | 
               
                   Wolfe Lauren Taylor
                    (Other) | 
               267584 (B) $26.16 | 
               2020-04-01 | 
           | 
                   SYNNEX CORP
                   (SNX) | 
               
                   Witt Marshall
                    (Chief Financial Officer) | 
               285 (S) $70.14 | 
               2020-04-01 | 
           | 
                   SYNNEX CORP
                   (SNX) | 
               
                   MIAU MATTHEW
                    (Director) | 
               52000 (B) $74.15 | 
               2020-03-31 | 
           | 
                   SG BLOCKS, INC.
                   (SGBX) | 
               
                   Shetty Mahesh S
                    (Director) | 
               1250 (S) $7.32 | 
               2020-03-31 | 
           | 
                   SYNNEX CORP
                   (SNX) | 
               
                   SILVER STAR DEVELOPMENTS LTD
                    (10% owner) | 
               50000 (B) $74.30 | 
               2020-03-31 | 
           | 
                   POOL CORP
                   (POOL) | 
               
                   COOK ARTHUR D
                    (GROUP VICE PRESIDENT) | 
               5003 (S) $195.00 | 
               2020-03-31 | 
           | 
                   SYNNEX CORP
                   (SNX) | 
               
                   STEFFENSEN DWIGHT
                    (Director) | 
               366 (S) $71.56 | 
               2020-03-30 | 
           | 
                   GMS Inc.
                   (GMS) | 
               
                   Ross Ronald R
                    (Director) | 
               59221 (B) $16.25 | 
               2020-03-27 | 
           | 
                   GMS Inc.
                   (GMS) | 
               
                   Ross Ronald R
                    (Director) | 
               81200 (B) $15.68 | 
               2020-03-25 | 
           | 
                   Houston Wire & Cable CO
                   (HWCC) | 
               
                   POKLUDA JAMES L III
                    (Director) | 
               25000 (B) $1.99 | 
               2020-03-24 | 
           | 
                   GMS Inc.
                   (GMS) | 
               
                   SMITH J DAVID
                    (Director) | 
               3000 (B) $12.10 | 
               2020-03-24 | 
           | 
                   Houston Wire & Cable CO
                   (HWCC) | 
               
                   HALEY ROY W
                    (Director) | 
               51000 (B) $2.00 | 
               2020-03-24 | 
           | 
                   Houston Wire & Cable CO
                   (HWCC) | 
               
                   Yetman G Gary
                    (Director) | 
               12019 (B) $1.90 | 
               2020-03-24 | 
           | 
                   GMS Inc.
                   (GMS) | 
               
                   Ross Ronald R
                    (Director) | 
               108602 (B) $11.50 | 
               2020-03-23 | 
           | 
                   GENUINE PARTS CO
                   (GPC) | 
               
                   GALLAGHER THOMAS
                    (Director) | 
               5000 (B) $55.23 | 
               2020-03-23 | 
           | 
                   MRC GLOBAL INC.
                   (MRC) | 
               
                   BEST RHYS J
                    (Director) | 
               10000 (B) $3.96 | 
               2020-03-20 | 
           | 
                   WILLIS LEASE FINANCE CORP
                   (WLFC) | 
               
                   HUNZIKER HANS JORG
                    (Director) | 
               1800 (B) $17.95 | 
               2020-03-20 | 
           | 
                   Houston Wire & Cable CO
                   (HWCC) | 
               
                   Sheffield William H
                    (Director) | 
               10000 (B) $2.05 | 
               2020-03-20 | 
           | 
                   Houston Wire & Cable CO
                   (HWCC) | 
               
                   HALEY ROY W
                    (Director) | 
               49000 (B) $2.01 | 
               2020-03-20 | 
           | 
                   MRC GLOBAL INC.
                   (MRC) | 
               
                   Witt Karl
                    (SVP US Operations) | 
               3050 (B) $3.77 | 
               2020-03-19 | 
           | 
                   MRC GLOBAL INC.
                   (MRC) | 
               
                   Adams Deborah G
                    (Director) | 
               10000 (B) $3.69 | 
               2020-03-19 | 
           | 
                   HD Supply Holdings, Inc.
                   (HDS) | 
               
                   Wolfe Lauren Taylor
                    (Other) | 
               314118 (B) $26.54 | 
               2020-03-19 | 
           | 
                   Ryerson Holding Corp
                   (RYI) | 
               
                   Orth John E
                    (EVP, Operations) | 
               30000 (B) $4.64 | 
               2020-03-19 | 
           | 
                   WILLIS LEASE FINANCE CORP
                   (WLFC) | 
               
                   HUNZIKER HANS JORG
                    (Director) | 
               700 (B) $17.15 | 
               2020-03-19 | 
           | 
                   Houston Wire & Cable CO
                   (HWCC) | 
               
                   Rothe Sandford W.
                    (Director) | 
               7700 (B) $2.00 | 
               2020-03-19 | 
           | 
                   MRC GLOBAL INC.
                   (MRC) | 
               
                   Perkins John Anthony
                    (Director) | 
               50000 (B) $4.00 | 
               2020-03-18 | 
           | 
                   MRC GLOBAL INC.
                   (MRC) | 
               
                   Wehrle H B III
                    (Director) | 
               255000 (B) $3.79 | 
               2020-03-18 | 
           | 
                   MRC GLOBAL INC.
                   (MRC) | 
               
                   Bond Elton Ray
                    (SVP & CAO) | 
               13000 (B) $3.77 | 
               2020-03-18 | 
           | 
                   MRC GLOBAL INC.
                   (MRC) | 
               
                   Linse Cornelis Adrianus
                    (Director) | 
               7240 (B) $3.77 | 
               2020-03-18 | 
           | 
                   Foundation Building Materials, Inc.
                   (FBM) | 
               
                   Carpenter James R
                    (VP Business Development) | 
               10000 (B) $9.88 | 
               2020-03-17 | 
           | 
                   Houston Wire & Cable CO
                   (HWCC) | 
               
                   Rothe Sandford W.
                    (Director) | 
               6100 (B) $2.20 | 
               2020-03-16 | 
           | 
                   LKQ CORP
                   (LKQ) | 
               
                   ALLEN A CLINTON
                    (Other) | 
               20000 (S) $20.75 | 
               2020-03-16 | 
           | 
                   GMS Inc.
                   (GMS) | 
               
                   Turner John C JR
                    (President and CEO) | 
               3285 (B) $15.19 | 
               2020-03-13 | 
           | 
                   BEACON ROOFING SUPPLY INC
                   (BECN) | 
               
                   Harrison Christopher Anthony
                    (EVP & Chief HR Officer) | 
               1400 (B) $17.79 | 
               2020-03-13 | 
           | 
                   BlueLinx Holdings Inc.
                   (BXC) | 
               
                   Sasadu Brian J.
                    (Chief Human Resource Officer) | 
               1242 (B) $6.06 | 
               2020-03-13 | 
           | 
                   SCANSOURCE, INC.
                   (SCSC) | 
               
                   Dean Matthew
                    (VP and General Counsel) | 
               3000 (B) $17.00 | 
               2020-03-13 | 
           | 
                   LAWSON PRODUCTS INC/NEW/DE/
                   (LAWS) | 
               
                   KING LUTHER CAPITAL MANAGEMENT CORP
                    (10% owner) | 
               11600 (B) $34.59 | 
               2020-03-13 | 
           | 
                   AVNET INC
                   (AVT) | 
               
                   Liguori Thomas
                    (Chief Financial Officer) | 
               4000 (B) $25.24 | 
               2020-03-12 | 
           | 
                   OLYMPIC STEEL INC
                   (ZEUS) | 
               
                   Anton Arthur F
                    (Director) | 
               5229 (B) $9.56 | 
               2020-03-12 | 
           | 
                   Ryerson Holding Corp
                   (RYI) | 
               
                   Burbach Michael
                    (President, North-West Region) | 
               5000 (B) $5.73 | 
               2020-03-12 | 
           | 
                   EPLUS INC
                   (PLUS) | 
               
                   HOVDE ERIC D
                    (Director) | 
               2000 (B) $56.83 | 
               2020-03-12 | 
           | 
                   SCANSOURCE, INC.
                   (SCSC) | 
               
                   GRAINGER MICHAEL J
                    (Director) | 
               2500 (B) $17.05 | 
               2020-03-12 | 
           | 
                   Ryerson Holding Corp
                   (RYI) | 
               
                   Richardson Kevin D
                    (President, South-East Region) | 
               5000 (B) $5.70 | 
               2020-03-12 | 
           | 
                   SG BLOCKS, INC.
                   (SGBX) | 
               
                   SWETS LARRY G JR
                    (10% owner) | 
               25000 (B) $1.37 | 
               2020-03-12 | 
           | 
                   Acacia Diversified Holdings, Inc.
                   (ACCA) | 
               
                   Gholson Neil B.
                    (Director) | 
               280000 (B) $0.02 | 
               2020-03-12 | 
           | 
                   HENRY SCHEIN INC
                   (HSIC) | 
               
                   LASKAWY PHILIP A
                    (Director) | 
               4533 (S) $56.12 | 
               2020-03-10 | 
           | 
                   LAWSON PRODUCTS INC/NEW/DE/
                   (LAWS) | 
               
                   DeCata Michael G
                    (President and CEO) | 
               3000 (B) $33.46 | 
               2020-03-09 | 
           | 
                   ASPEN AEROGELS INC
                   (ASPN) | 
               
                   Young Donald R
                    (President and CEO) | 
               2000 (B) $7.18 | 
               2020-03-09 | 
           | 
                   POOL CORP
                   (POOL) | 
               
                   NEIL JENNIFER M
                    (GENERAL COUNSEL/SECRETARY) | 
               1764 (S) $222.79 | 
               2020-03-05 | 
           | 
                   WATSCO INC
                   (WSO; WSOB) | 
               
                   LOGAN BARRY S
                    (Executive Vice President) | 
               4300 (S) $170.74 | 
               2020-03-04 | 
           | 
                   KAMAN Corp
                   (KAMN) | 
               
                   Keating Neal J
                    (Chm, Pres & CEO) | 
               1750 (B) $54.84 | 
               2020-03-02 | 
           | 
                   LAWSON PRODUCTS INC/NEW/DE/
                   (LAWS) | 
               
                   DeCata Michael G
                    (President and CEO) | 
               2500 (B) $39.41 | 
               2020-03-02 | 
           | 
                   SYNNEX CORP
                   (SNX) | 
               
                   Witt Marshall
                    (Chief Financial Officer) | 
               285 (S) $126.52 | 
               2020-03-02 | 
           | 
                   ADDVANTAGE TECHNOLOGIES GROUP INC
                   (AEY) | 
               
                   KINISON DONALD JR
                    (President, Telco Segment) | 
               22000 (B) $4.24 | 
               2020-03-02 | 
           | 
                   OLYMPIC STEEL INC
                   (ZEUS) | 
               
                   MANSON RICHARD A
                    (Chief Financial Officer) | 
               1000 (B) $12.25 | 
               2020-02-28 | 
           | 
                   OLYMPIC STEEL INC
                   (ZEUS) | 
               
                   MARABITO RICHARD T
                    (Chief Executive Officer) | 
               2000 (B) $12.15 | 
               2020-02-28 | 
           | 
                   Foundation Building Materials, Inc.
                   (FBM) | 
               
                   Mendoza Ruben
                    (President and CEO) | 
               42054 (B) $15.03 | 
               2020-02-27 | 
           | 
                   BEACON ROOFING SUPPLY INC
                   (BECN) | 
               
                   FROST RICHARD W
                    (Other) | 
               3330 (B) $29.92 | 
               2020-02-26 | 
           | 
                   MRC GLOBAL INC.
                   (MRC) | 
               
                   Wehrle H B III
                    (Director) | 
               50000 (B) $8.88 | 
               2020-02-26 | 
           | 
                   TAITRON COMPONENTS INC
                   (TAIT) | 
               
                   MILLER CRAIG
                    (Director) | 
               5000 (S) $2.57 | 
               2020-02-20 | 
           | 
                   ADDVANTAGE TECHNOLOGIES GROUP INC
                   (AEY) | 
               
                   Francis Scott A
                    (Vice President and CAO) | 
               11585 (S) $4.40 | 
               2020-02-20 | 
           | 
                   MRC GLOBAL INC.
                   (MRC) | 
               
                   Wehrle H B III
                    (Director) | 
               50000 (B) $10.30 | 
               2020-02-20 | 
           | 
                   RICHARDSON ELECTRONICS LTD/DE
                   (RELL) | 
               
                   Ben Robert J
                    (CFO, CAO, Corporate Secretary) | 
               2300 (S) $5.03 | 
               2020-02-14 | 
           | 
                   TE Connectivity Ltd.
                   (TEL) | 
               
                   MERKT STEVEN T
                    (President, Transportation Sol.) | 
               10000 (S) $94.46 | 
               2020-02-13 | 
           | 
                   EnerSys
                   (ENS) | 
               
                   Zogby Andrew M.
                    (Pres, Energy Systems-Americas) | 
               1000 (S) $77.33 | 
               2020-02-12 | 
           | 
                   TE Connectivity Ltd.
                   (TEL) | 
               
                   Phelan Daniel J
                    (Director) | 
               154 (B) $93.73 | 
               2020-02-11 | 
           | 
                   SCANSOURCE, INC.
                   (SCSC) | 
               
                   GRAINGER MICHAEL J
                    (Director) | 
               3200 (B) $30.97 | 
               2020-02-11 | 
           | 
                   B. Riley Principal Merger Corp.
                   (BRPM) | 
               
                   Kempner James L
                    (Director) | 
               4830 (B) $10.34 | 
               2020-02-10 | 
           | 
                   B. Riley Principal Merger Corp.
                   (BRPM) | 
               
                   RILEY BRYANT R
                    (Director) | 
               50000 (B) $10.20 | 
               2020-02-06 | 
           | 
                   EPLUS INC
                   (PLUS) | 
               
                   Marion Elaine D
                    (Chief Financial Officer) | 
               1237 (S) $90.04 | 
               2020-02-06 | 
           | 
                   EPLUS INC
                   (PLUS) | 
               
                   MARRON MARK P
                    (Chief Executive Officer) | 
               1322 (S) $90.04 | 
               2020-02-06 | 
           | 
                   EPLUS INC
                   (PLUS) | 
               
                   RAIGUEL DARREN S
                    (Chief Operating Officer) | 
               1080 (S) $90.02 | 
               2020-02-06 | 
           | 
                   TE Connectivity Ltd.
                   (TEL) | 
               
                   MITTS HEATH A
                    (EVP & Chief Financial Officer) | 
               16000 (S) $94.75 | 
               2020-02-04 | 
           | 
                   B. Riley Principal Merger Corp.
                   (BRPM) | 
               
                   RILEY BRYANT R
                    (Director) | 
               85795 (B) $10.22 | 
               2020-02-03 | 
           | 
                   MSC INDUSTRIAL DIRECT CO INC
                   (MSM) | 
               
                   KELLY DENIS F
                    (Director) | 
               1352 (S) $68.86 | 
               2020-02-03 | 
           | 
                   TE Connectivity Ltd.
                   (TEL) | 
               
                   LYNCH THOMAS J
                    (Director) | 
               43000 (S) $93.78 | 
               2020-02-03 | 
           | 
                   SYNNEX CORP
                   (SNX) | 
               
                   Witt Marshall
                    (Chief Financial Officer) | 
               285 (S) $138.86 | 
               2020-02-03 | 
           | 
                   WILLIS LEASE FINANCE CORP
                   (WLFC) | 
               
                   Hole Brian Richard
                    (PRESIDENT) | 
               408 (B) $50.41 | 
               2020-01-31 | 
           | 
                   WILLIS LEASE FINANCE CORP
                   (WLFC) | 
               
                   Flaherty Scott B.
                    (SVP, CFO) | 
               370 (B) $50.41 | 
               2020-01-31 | 
           | 
                   SYNNEX CORP
                   (SNX) | 
               
                   MURAI KEVIN M
                    (Director) | 
               2408 (S) $138.00 | 
               2020-01-30 | 
           | 
                   SYNNEX CORP
                   (SNX) | 
               
                   MURAI KEVIN M
                    (Director) | 
               2000 (S) $137.75 | 
               2020-01-29 | 
           | 
                   SYNNEX CORP
                   (SNX) | 
               
                   MURAI KEVIN M
                    (Director) | 
               2297 (S) $140.48 | 
               2020-01-28 | 
           | 
                   B. Riley Principal Merger Corp.
                   (BRPM) | 
               
                   RILEY BRYANT R
                    (Director) | 
               84430 (B) $10.21 | 
               2020-01-24 | 
           | 
                   SYNNEX CORP
                   (SNX) | 
               
                   STEFFENSEN DWIGHT
                    (Director) | 
               732 (S) $146.17 | 
               2020-01-22 | 
           | 
                   RESIDEO TECHNOLOGIES, INC.
                   (REZI) | 
               
                   Nefkens Michael G
                    (President and CEO) | 
               834 (B) $11.95 | 
               2020-01-15 | 
           | 
                   RESIDEO TECHNOLOGIES, INC.
                   (REZI) | 
               
                   Aarnes Robert B
                    (President, ADI) | 
               20 (B) $11.67 | 
               2020-01-13 | 
           | 
                   SYNNEX CORP
                   (SNX) | 
               
                   Witt Marshall
                    (Chief Financial Officer) | 
               285 (S) $129.71 | 
               2020-01-02 |