Special Industry Machinery, Not Elsewhere Classified - Latest Activist Disclosures

This table shows recent activist investor (Schedule 13D) filings made in this industry. Any investor or hedge fund that makes an investment with the intention of influencing management is considered an activist investor and must file a 13D.

Date Form Target Company Investor Shares Ownership
(Percent)		 Ownership Change
(Percent)
2021-02-18 13D/A ASYS / Amtech Systems, Inc. Harbert Discovery Fund, LP 503,737 3.60 -31.55
2020-05-19 13D/A ERII / Energy Recovery, Inc. Lorentzen Ole Peter 6,840,334 12.30 -17.49
2020-03-24 13D TNRG / Thunder Energies Corporation Saveene Corp 50,000,000 100.00
2020-01-30 13D/A ASYS / Amtech Systems, Inc. Privet Fund LP 543,388 3.78 -34.74
2019-12-11 13D ASYS / Amtech Systems, Inc. Harbert Discovery Fund, LP 735,916 5.20
2019-11-25 13D ASYS / Amtech Systems, Inc. Privet Fund LP 832,687 5.84
2018-11-27 13D/A ASYS / Amtech Systems, Inc. Piton Capital Partners Llc 2,418,000 16.10
2018-07-17 13D/A ASYS / Amtech Systems, Inc. Schreyer Leslie J 2,418,000 16.20 0.25
2017-12-18 13D/A ASYS / Amtech Systems, Inc. Schreyer Leslie J 2,412,000 16.40 0.00
2017-08-24 13D/A ASYS / Amtech Systems, Inc. Schreyer Leslie J 2,412,000 16.60 0.50
2016-03-18 13D/A ASYS / Amtech Systems, Inc. Wansem Paul J Van Der 583,942 4.40
2016-01-25 13D ASYS / Amtech Systems, Inc. Schreyer Leslie J 2,400,000 18.20 73.12
2015-10-02 13D/A SOTK / Sono-Tek Corporation Dezenzo Associates, LLC
2015-09-21 13D/A SOTK / Sono-Tek Corporation Norwood Venture Corp 1,084,672 7.50 -31.55
2015-09-21 13D SOTK / Sono-Tek Corporation Norwood Venture Corp 1,584,672 11.50
2015-09-21 13D SOTK / Sono-Tek Corporation Dezenzo Associates, LLC 1,084,672 7.30
2015-05-20 13D/A ACLS / Axcelis Technologies, Inc. VIEX Capital Advisors, LLC 5,529,566 4.90 -12.81
2015-05-15 13D/A ACLS / Axcelis Technologies, Inc. VIEX Capital Advisors, LLC 6,341,803 5.60 -15.10
2015-03-06 13D/A ACLS / Axcelis Technologies, Inc. VIEX Capital Advisors, LLC 7,469,668 6.60
2015-02-09 13D/A ACLS / Axcelis Technologies, Inc. VIEX Capital Advisors, LLC 7,572,759 6.80
2015-02-09 13D ASYS / Amtech Systems, Inc. Wansem Paul J Van Der 668,069 5.10
2015-01-13 13D/A ERII / Energy Recovery, Inc. Lorentzen Ole Peter 8,290,334 16.00
2014-09-16 13D ACLS / Axcelis Technologies, Inc. VIEX Capital Advisors, LLC 7,226,901 6.50
2014-09-08 13D/A ERII / Energy Recovery, Inc. Lorentzen Ole Peter 7,934,227 15.30
2014-05-14 13D GLGI / Greystone Logistics, Inc. Pritchard William W 1,832,503 6.88
2014-05-09 13D/A ERII / Energy Recovery, Inc. Lorentzen Ole Peter 7,199,227 14.00
2014-05-08 13D GLGI / Greystone Logistics, Inc. Kruger Warren F 8,922,783 31.44
2014-05-08 13D GLGI / Greystone Logistics, Inc. Rosene Robert B Jr 4,710,718 16.60
2014-04-02 13D/A ERII / Energy Recovery, Inc. Lorentzen Ole Peter 6,199,227 12.00
2014-04-01 13D ERII / Energy Recovery, Inc. Lorentzen Ole Peter 6,199,227 12.00
2013-10-23 13D TNRG / Thunder Energies Corporation Hadronic Technologies Press, Inc. 50,000,000 100.00
2013-09-19 13D TNRG / Thunder Energies Corporation Global Beta, LLC 7,000,000 46.60
2013-09-19 13D TNRG / Thunder Energies Corporation Clean Energies Tech Co. 4,403,060 29.30
2013-09-19 13D TNRG / Thunder Energies Corporation R.M. Santilli Foundation, Inc. 3,000,000 20.00
2013-08-06 13D TNRG / Thunder Energies Corporation Santilli Ruggero M 2,940,000 98.00