| 
                   Arista Networks, Inc.
                   (ANET) | 
               
                   Duda Kenneth
                    (CTO and SVP Software Eng.) | 
               3250 (S) $325.69 | 
               2021-02-16 | 
           | 
                   ACM Research, Inc.
                   (ACMR) | 
               
                   Hu Chenming
                    (Other) | 
               10000 (S) $120.00 | 
               2021-02-12 | 
           | 
                   ACM Research, Inc.
                   (ACMR) | 
               
                   Liu Tracy
                    (Other) | 
               2000 (S) $120.00 | 
               2021-02-12 | 
           | 
                   HYSTER-YALE MATERIALS HANDLING, INC.
                   (HY) | 
               
                   RANKIN ALFRED M ET AL
                    (Chairman) | 
               208972 (S) $59.04 | 
               2021-02-12 | 
           | 
                   HYSTER-YALE MATERIALS HANDLING, INC.
                   (HY) | 
               
                   RANKIN VICTOIRE G
                    (Member of a Group) | 
               208972 (S) $59.04 | 
               2021-02-12 | 
           | 
                   HYSTER-YALE MATERIALS HANDLING, INC.
                   (HY) | 
               
                   WILLIAMS CLARA R
                    (Member of a Group) | 
               104486 (B) $59.04 | 
               2021-02-12 | 
           | 
                   HYSTER-YALE MATERIALS HANDLING, INC.
                   (HY) | 
               
                   WILLIAMS DAVID B
                    (Member of a Group) | 
               104486 (B) $59.04 | 
               2021-02-12 | 
           | 
                   CISCO SYSTEMS, INC.
                   (CSCO) | 
               
                   Martinez Maria
                    (EVP, Chief Customer Exp Offcr) | 
               12000 (S) $46.94 | 
               2021-02-12 | 
           | 
                   HYSTER-YALE MATERIALS HANDLING, INC.
                   (HY) | 
               
                   BUTLER HELEN RANKIN
                    (Member of a Group) | 
               104486 (B) $59.04 | 
               2021-02-12 | 
           | 
                   HYSTER-YALE MATERIALS HANDLING, INC.
                   (HY) | 
               
                   BUTLER JOHN C JR
                    (Member of a Group) | 
               104486 (B) $59.04 | 
               2021-02-12 | 
           | 
                   LENNOX INTERNATIONAL INC
                   (LII) | 
               
                   Zimmer Elliot S
                    (EVP, President/COO Commercial) | 
               357 (S) $292.80 | 
               2021-02-12 | 
           | 
                   RBC Bearings INC
                   (ROLL) | 
               
                   Bannon Patrick S.
                    (V.P. and General Manager) | 
               2163 (S) $185.71 | 
               2021-02-11 | 
           | 
                   BWX Technologies, Inc.
                   (BWXT) | 
               
                   Black David S
                    (Sr. V.P., CFO) | 
               1000 (S) $57.24 | 
               2021-02-11 | 
           | 
                   Carrier Global Corp
                   (CARR) | 
               
                   Crockett Kyle
                    (Vice President, Controller) | 
               3578 (S) $36.87 | 
               2021-02-11 | 
           | 
                   Palo Alto Networks Inc
                   (PANW) | 
               
                   Klarich Lee
                    (EVP, Chief Product Officer) | 
               2539 (S) $393.42 | 
               2021-02-10 | 
           | 
                   CUMMINS INC
                   (CMI) | 
               
                   LINEBARGER NORMAN THOMAS
                    (Chairman & CEO) | 
               9346 (S) $245.10 | 
               2021-02-10 | 
           | 
                   IDEX CORP /DE/
                   (IEX) | 
               
                   Grogan William K
                    (SVP - Chief Financial Officer) | 
               4000 (S) $199.69 | 
               2021-02-10 | 
           | 
                   Fortinet, Inc.
                   (FTNT) | 
               
                   Xie Michael
                    (VP, Engineering & CTO) | 
               5820 (S) $159.33 | 
               2021-02-09 | 
           | 
                   ACM Research, Inc.
                   (ACMR) | 
               
                   Liu Tracy
                    (Other) | 
               2000 (S) $110.00 | 
               2021-02-09 | 
           | 
                   P&F INDUSTRIES INC
                   (PFIN) | 
               
                   DIAMOND A PARTNERS, L.P.
                    (10% owner) | 
               4384 (S) $6.88 | 
               2021-02-09 | 
           | 
                   P&F INDUSTRIES INC
                   (PFIN) | 
               
                   LAWNDALE CAPITAL MANAGEMENT LLC
                    (10% owner) | 
               4384 (S) $6.88 | 
               2021-02-09 | 
           | 
                   TEREX CORP
                   (TEX) | 
               
                   GEORGE AMY
                    (Senior V.P. Human Resources) | 
               10000 (S) $40.19 | 
               2021-02-08 | 
           | 
                   INTERNATIONAL BUSINESS MACHINES CORP
                   (IBM) | 
               
                   HOWARD MICHELLE J
                    (Other) | 
               64 (B) $123.30 | 
               2021-02-08 | 
           | 
                   JUNIPER NETWORKS INC
                   (JNPR) | 
               
                   STENSRUD WILLIAM
                    (Director) | 
               10000 (S) $24.75 | 
               2021-02-08 | 
           | 
                   TEREX CORP
                   (TEX) | 
               
                   SHEEHAN JOHN D
                    (Senior Vice President, CFO) | 
               42500 (S) $40.00 | 
               2021-02-08 | 
           | 
                   F5 NETWORKS, INC.
                   (FFIV) | 
               
                   BEVIER DEBORAH L
                    (Director) | 
               1688 (S) $204.92 | 
               2021-02-08 | 
           | 
                   F5 NETWORKS, INC.
                   (FFIV) | 
               
                   Lin Geng
                    (EVP, Chief Technology Officer) | 
               900 (S) $200.00 | 
               2021-02-08 | 
           | 
                   PROFIRE ENERGY INC
                   (PFIE) | 
               
                   Albert Harold
                    (10% owner) | 
               479500 (S) $1.13 | 
               2021-02-08 | 
           | 
                   ONE STOP SYSTEMS, INC.
                   (OSS) | 
               
                   POTASHNER KENNETH F
                    (Director) | 
               21753 (S) $6.07 | 
               2021-02-08 | 
           | 
                   Energy Recovery, Inc.
                   (ERII) | 
               
                   Clemente Rodney
                    (SVP, Water) | 
               2352 (S) $13.89 | 
               2021-02-04 | 
           | 
                   Palo Alto Networks Inc
                   (PANW) | 
               
                   Singh Amit K.
                    (President) | 
               1378 (S) $379.59 | 
               2021-02-04 | 
           | 
                   Arista Networks, Inc.
                   (ANET) | 
               
                   Giancarlo Charles H
                    (Director) | 
               1665 (S) $317.11 | 
               2021-02-04 | 
           | 
                   POWER SOLUTIONS INTERNATIONAL, INC.
                   (PSIX) | 
               
                   Winemaster Gary S
                    (10% owner) | 
               17000 (S) $5.82 | 
               2021-02-04 | 
           | 
                   Energy Recovery, Inc.
                   (ERII) | 
               
                   Ghasripoor Farshad
                    (Chief Technology Officer) | 
               2415 (S) $13.88 | 
               2021-02-04 | 
           | 
                   P&F INDUSTRIES INC
                   (PFIN) | 
               
                   DIAMOND A PARTNERS, L.P.
                    (10% owner) | 
               66440 (S) $6.37 | 
               2021-02-02 | 
           | 
                   F5 NETWORKS, INC.
                   (FFIV) | 
               
                   WHALEN CHAD MICHAEL
                    (EVP, Worldwide Sales) | 
               509 (S) $193.20 | 
               2021-02-02 | 
           | 
                   P&F INDUSTRIES INC
                   (PFIN) | 
               
                   LAWNDALE CAPITAL MANAGEMENT LLC
                    (10% owner) | 
               66440 (S) $6.37 | 
               2021-02-02 | 
           | 
                   Palo Alto Networks Inc
                   (PANW) | 
               
                   MCLAUGHLIN MARK D
                    (Director) | 
               40000 (S) $361.10 | 
               2021-02-01 | 
           | 
                   Palo Alto Networks Inc
                   (PANW) | 
               
                   ZUK NIR
                    (EVP, Chief Technology Officer) | 
               12000 (S) $360.12 | 
               2021-02-01 | 
           | 
                   BWX Technologies, Inc.
                   (BWXT) | 
               
                   Loving Richard W
                    (SVP and CAO) | 
               300 (S) $54.11 | 
               2021-02-01 | 
           | 
                   Pure Storage, Inc.
                   (PSTG) | 
               
                   Dietzen Scott
                    (Director) | 
               310000 (S) $23.54 | 
               2021-02-01 | 
           | 
                   Apple Inc.
                   (AAPL) | 
               
                   Adams Katherine L.
                    (SVP, GC and Secretary) | 
               17000 (S) $133.25 | 
               2021-02-01 | 
           | 
                   Corsair Gaming, Inc.
                   (CRSR) | 
               
                   Bagaria Anup
                    (10% owner) | 
               8260000 (S) $35.00 | 
               2021-01-26 | 
           | 
                   Corsair Gaming, Inc.
                   (CRSR) | 
               
                   Corsair Group (Cayman), LP
                    (10% owner) | 
               8260000 (S) $35.00 | 
               2021-01-26 | 
           | 
                   Corsair Gaming, Inc.
                   (CRSR) | 
               
                   La Thi L
                    (See Remarks) | 
               100000 (S) $35.00 | 
               2021-01-26 | 
           | 
                   Corsair Gaming, Inc.
                   (CRSR) | 
               
                   MAJOROS GEORGE L. Jr.
                    (10% owner) | 
               8260000 (S) $35.00 | 
               2021-01-26 | 
           | 
                   Corsair Gaming, Inc.
                   (CRSR) | 
               
                   Paul Andrew J.
                    (Chief Executive Officer) | 
               250000 (S) $35.00 | 
               2021-01-26 | 
           | 
                   LINDSAY CORP
                   (LNN) | 
               
                   CHRISTODOLOU MICHAEL
                    (Director) | 
               3000 (S) $147.59 | 
               2021-01-25 | 
           | 
                   Baker Hughes Co
                   (BKR) | 
               
                   GENERAL ELECTRIC CO
                    (10% owner) | 
               38007041 (S) $19.34 | 
               2021-01-22 | 
           | 
                   TENNANT CO
                   (TNC) | 
               
                   KILLINGSTAD CHRIS
                    (President and CEO) | 
               3809 (S) $75.00 | 
               2021-01-22 | 
           | 
                   LOGITECH INTERNATIONAL S.A.
                   (LOGI) | 
               
                   HIRSCH DIDIER
                    (Director) | 
               2679 (S) $102.50 | 
               2021-01-21 | 
           | 
                   Pure Storage, Inc.
                   (PSTG) | 
               
                   Dietzen Scott
                    (Director) | 
               25000 (S) $22.88 | 
               2021-01-21 | 
           | 
                   F5 NETWORKS, INC.
                   (FFIV) | 
               
                   Pelzer Francis J.
                    (EVP, Chief Financial Officer) | 
               100 (S) $200.00 | 
               2021-01-21 | 
           | 
                   MITEK SYSTEMS INC
                   (MITK) | 
               
                   Diamond Michael E
                    (General Manager) | 
               43373 (S) $16.84 | 
               2021-01-19 | 
           | 
                   TRIO-TECH INTERNATIONAL
                   (TRT) | 
               
                   TING HOCK MING
                    (VICE PRESIDENT, CFO) | 
               12594 (S) $4.46 | 
               2021-01-16 | 
           | 
                   John Bean Technologies CORP
                   (JBT) | 
               
                   Marvin James L
                    (EVP & General Counsel) | 
               2500 (S) $127.26 | 
               2021-01-15 | 
           | 
                   F5 NETWORKS, INC.
                   (FFIV) | 
               
                   Locoh-Donou Francois
                    (President, CEO & Director) | 
               1300 (S) $192.57 | 
               2021-01-15 | 
           | 
                   F5 NETWORKS, INC.
                   (FFIV) | 
               
                   Pelzer Francis J.
                    (EVP, Chief Financial Officer) | 
               500 (S) $192.57 | 
               2021-01-15 | 
           | 
                   ONE STOP SYSTEMS, INC.
                   (OSS) | 
               
                   POTASHNER KENNETH F
                    (Director) | 
               32630 (S) $4.65 | 
               2021-01-14 | 
           | 
                   IMMERSION CORP
                   (IMMR) | 
               
                   Okada Michael Rudolf
                    (General Counsel) | 
               560 (S) $12.13 | 
               2021-01-13 | 
           | 
                   Seagate Technology plc
                   (STX) | 
               
                   ValueAct Holdings, L.P.
                    (See Remarks) | 
               703034 (S) $60.12 | 
               2021-01-13 | 
           | 
                   LINDSAY CORP
                   (LNN) | 
               
                   NAHL MICHAEL
                    (Director) | 
               4000 (S) $141.75 | 
               2021-01-12 | 
           | 
                   LINDSAY CORP
                   (LNN) | 
               
                   CHRISTODOLOU MICHAEL
                    (Director) | 
               9000 (S) $140.94 | 
               2021-01-11 | 
           | 
                   TRIO-TECH INTERNATIONAL
                   (TRT) | 
               
                   TING HOCK MING
                    (VICE PRESIDENT, CFO) | 
               1600 (S) $4.39 | 
               2021-01-11 | 
           | 
                   F5 NETWORKS, INC.
                   (FFIV) | 
               
                   Pelzer Francis J.
                    (EVP, Chief Financial Officer) | 
               1400 (S) $200.00 | 
               2021-01-08 | 
           | 
                   BWX Technologies, Inc.
                   (BWXT) | 
               
                   Black David S
                    (Sr. V.P., CFO) | 
               1000 (S) $59.08 | 
               2021-01-07 | 
           | 
                   TORO CO
                   (TTC) | 
               
                   MOELLER PETER D
                    (VP, International) | 
               1000 (S) $101.15 | 
               2021-01-07 | 
           | 
                   Seagate Technology plc
                   (STX) | 
               
                   ValueAct Holdings, L.P.
                    (See Remarks) | 
               617691 (S) $60.30 | 
               2021-01-07 | 
           | 
                   TRIO-TECH INTERNATIONAL
                   (TRT) | 
               
                   TING HOCK MING
                    (VP AND CFO) | 
               10000 (S) $4.33 | 
               2021-01-07 | 
           | 
                   POWER SOLUTIONS INTERNATIONAL, INC.
                   (PSIX) | 
               
                   Winemaster Gary S
                    (10% owner) | 
               5791 (S) $3.99 | 
               2021-01-07 | 
           | 
                   EXTREME NETWORKS INC
                   (EXTR) | 
               
                   Thomas Remi
                    (EVP Chief Financial Officer) | 
               39677 (S) $7.50 | 
               2021-01-06 | 
           | 
                   KADANT INC
                   (KAI) | 
               
                   LEONARD THOMAS C
                    (Director) | 
               521 (S) $142.47 | 
               2021-01-06 | 
           | 
                   Altra Industrial Motion Corp.
                   (AIMC) | 
               
                   Christenson Carl R
                    (Chairman and CEO) | 
               5000 (S) $60.00 | 
               2021-01-06 | 
           | 
                   Altra Industrial Motion Corp.
                   (AIMC) | 
               
                   Schuele Craig
                    (VP Marketing and Business Dev) | 
               5000 (S) $60.00 | 
               2021-01-06 | 
           | 
                   STANDEX INTERNATIONAL CORP/DE/
                   (SXI) | 
               
                   Dunbar David A.
                    (President/CEO/Chairman) | 
               3000 (S) $85.00 | 
               2021-01-06 | 
           | 
                   TEREX CORP
                   (TEX) | 
               
                   GEORGE AMY
                    (Senior V.P. Human Resources) | 
               10000 (S) $38.03 | 
               2021-01-06 | 
           | 
                   A10 Networks, Inc.
                   (ATEN) | 
               
                   Becker Brian
                    (Interim CFO) | 
               4222 (S) $9.64 | 
               2021-01-06 | 
           | 
                   ACM Research, Inc.
                   (ACMR) | 
               
                   Liu Tracy
                    (Other) | 
               2000 (S) $100.00 | 
               2021-01-06 | 
           | 
                   Arista Networks, Inc.
                   (ANET) | 
               
                   Ullal Jayshree
                    (President and CEO) | 
               785 (S) $293.68 | 
               2021-01-06 | 
           | 
                   Palo Alto Networks Inc
                   (PANW) | 
               
                   Compeau Jean
                    (Chief Accounting Officer) | 
               900 (S) $347.37 | 
               2021-01-05 | 
           | 
                   Altra Industrial Motion Corp.
                   (AIMC) | 
               
                   STORCH CHRISTIAN
                    (Chief Financial Officer) | 
               10515 (S) $60.20 | 
               2021-01-05 | 
           | 
                   CAPSTONE TURBINE Corp
                   (CPST) | 
               
                   Hencken Frederick S. III
                    (Chief Financial Officer) | 
               2569 (S) $10.69 | 
               2021-01-05 | 
           | 
                   Colfax CORP
                   (CFX) | 
               
                   Trerotola Matthew L.
                    (President & CEO) | 
               22039 (S) $38.30 | 
               2021-01-05 | 
           | 
                   BWX Technologies, Inc.
                   (BWXT) | 
               
                   Loving Richard W
                    (SVP and CAO) | 
               300 (S) $60.28 | 
               2021-01-04 | 
           | 
                   OMNICELL, Inc
                   (OMCL) | 
               
                   Seim Robin Gene
                    (Director) | 
               1319 (S) $119.62 | 
               2021-01-04 | 
           | 
                   KADANT INC
                   (KAI) | 
               
                   MCKENNEY MICHAEL J
                    (Executive Vice President & CFO) | 
               306 (S) $141.19 | 
               2021-01-04 | 
           | 
                   KADANT INC
                   (KAI) | 
               
                   Flynn Peter J.
                    (Vice President) | 
               2025 (S) $138.81 | 
               2021-01-04 | 
           | 
                   Energy Recovery, Inc.
                   (ERII) | 
               
                   Hanstveit Arve
                    (Director) | 
               25000 (S) $14.29 | 
               2021-01-04 | 
           | 
                   F5 NETWORKS, INC.
                   (FFIV) | 
               
                   WHITE ANA MARIA
                    (EVP and Chief HR Officer) | 
               257 (S) $176.88 | 
               2021-01-04 | 
           | 
                   Palo Alto Networks Inc
                   (PANW) | 
               
                   MCLAUGHLIN MARK D
                    (Director) | 
               55000 (S) $317.96 | 
               2021-01-04 | 
           | 
                   Palo Alto Networks Inc
                   (PANW) | 
               
                   Singh Amit K.
                    (President) | 
               1378 (S) $349.87 | 
               2021-01-04 | 
           | 
                   Palo Alto Networks Inc
                   (PANW) | 
               
                   ZUK NIR
                    (EVP, Chief Technology Officer) | 
               12000 (S) $349.77 | 
               2021-01-04 | 
           | 
                   Seagate Technology plc
                   (STX) | 
               
                   ValueAct Holdings, L.P.
                    (See Remarks) | 
               1164725 (S) $60.51 | 
               2021-01-04 | 
           | 
                   Arista Networks, Inc.
                   (ANET) | 
               
                   Giancarlo Charles H
                    (Director) | 
               1665 (S) $286.94 | 
               2021-01-04 | 
           | 
                   Arista Networks, Inc.
                   (ANET) | 
               
                   Ullal Jayshree
                    (President and CEO) | 
               114752 (S) $287.02 | 
               2021-01-04 | 
           | 
                   FUEL TECH, INC.
                   (FTEK) | 
               
                   BAILEY BETTYE J
                    (10% owner) | 
               42711 (S) $4.01 | 
               2020-12-31 | 
           | 
                   QUANTUM CORP /DE/
                   (QMCO) | 
               
                   DODSON J MICHAEL
                    (Senior Vice President, CFO) | 
               33999 (S) $5.63 | 
               2020-12-30 | 
           | 
                   QUANTUM CORP /DE/
                   (QMCO) | 
               
                   Lerner James J
                    (Pres. & CEO, Chairman of Board) | 
               35069 (S) $5.63 | 
               2020-12-30 | 
           | 
                   ACM Research, Inc.
                   (ACMR) | 
               
                   Wang Jian
                    (See remarks) | 
               32486 (S) $78.00 | 
               2020-12-30 | 
           | 
                   Seagate Technology plc
                   (STX) | 
               
                   ValueAct Holdings, L.P.
                    (See Remarks) | 
               1414550 (S) $61.14 | 
               2020-12-29 |