General Industrial Machinery And Equipment - 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)
2018-04-27 13D/A TWIN / Twin Disc, Incorporated Gamco Investors, Inc. Et Al 1,392,133 12.02 6.13
2018-04-10 13D/A AP / Ampco-Pittsburgh Corporation Louis Berkman Investment CO 1,312,929 10.60
2018-02-28 13D/A TWIN / Twin Disc, Incorporated Gamco Investors, Inc. Et Al 1,311,700 11.32 8.47
2017-12-12 13D/A AP / Ampco-Pittsburgh Corporation Gamco Investors, Inc. Et Al 1,419,869 11.49 -9.61
2017-11-20 13D/A TWIN / Twin Disc, Incorporated Gamco Investors, Inc. Et Al 1,209,251 10.43 -10.32
2017-09-25 13D EKSO / Ekso Bionics Holdings, Inc. Puissance Cross-Border Opportunities II LLC 20,572,398 34.40
2017-08-29 13D/A TWIN / Twin Disc, Incorporated Gamco Investors, Inc. Et Al 1,348,351 11.71 12.07
2017-06-30 13D/A TWIN / Twin Disc, Incorporated Gamco Investors, Inc. Et Al 1,203,151 10.44 8.54
2017-04-03 13D/A PPIH / Perma-Pipe International Holdings, Inc. Dinger Carl W Iii 5.92
2017-04-03 13D/A PPIH / Perma-Pipe International Holdings, Inc. Dinger Carl W Iii 5.92
2017-01-19 13D/A PPIH / Perma-Pipe International Holdings, Inc. Dinger Carl W Iii 5.82
2017-01-09 13D/A PPIH / Perma-Pipe International Holdings, Inc. Dinger Carl W Iii 5.82
2016-10-19 13D PPIH / Perma-Pipe International Holdings, Inc. Dinger Carl W Iii 5.63
2016-09-12 13D/A AP / Ampco-Pittsburgh Corporation Gamco Investors, Inc. Et Al 1,570,784 12.80 7.26
2016-09-06 13D CDTI / CDTi Advanced Materials, Inc. Kanis S.A. 5,012,708 52.60
2016-08-23 13D/A EKSO / Ekso Bionics Holdings, Inc. Cni Commercial Llc 1,896,146 9.40 -82.19
2016-08-15 13D/A TWIN / Twin Disc, Incorporated Gamco Investors, Inc. Et Al 1,108,526 9.77 9.62
2016-04-01 13D AP / Ampco-Pittsburgh Corporation Altor Holdings Ltd 1,776,604 14.50
2016-03-22 13D/A AP / Ampco-Pittsburgh Corporation Gamco Investors, Inc. Et Al 1,464,455 11.99 -1.07
2016-02-18 13D TWIN / Twin Disc, Incorporated Michas Alexis P 586,053 5.20
2016-02-08 13D/A TWIN / Twin Disc, Incorporated Gamco Investors, Inc. Et Al 1,011,208 8.91
2016-01-20 13D/A PIAC / Princeton Capital Corporation Capital Point Partners, L.P.
2015-09-18 13D PIAC / Princeton Capital Corporation Capital Point Partners, L.P. 104,562,000 86.80 -9.46
2015-07-13 13D PIAC / Princeton Capital Corporation Capital Point Partners, L.P. 115,484,327 96.00
2015-06-01 13D/A AP / Ampco-Pittsburgh Corporation Gamco Investors, Inc. Et Al 1,480,328 14.20 4.40
2015-05-12 13D EKSO / Ekso Bionics Holdings, Inc. Cni Commercial Llc 10,648,018 10.42
2015-03-18 13D/A AP / Ampco-Pittsburgh Corporation Gamco Investors, Inc. Et Al 1,417,999 13.60
2015-02-26 13D/A CDTI / CDTi Advanced Materials, Inc. RockPort Capital Partners, L.P. 0 0.00
2015-02-20 13D/A IR / Ingersoll Rand Inc. Trian Fund Management, L.p. 12,279,858 4.66
2015-02-12 13D/A IR / Ingersoll Rand Inc. Trian Fund Management, L.p. 14,616,766 5.51
2015-02-02 13D/A TWIN / Twin Disc, Incorporated Gamco Investors, Inc. Et Al 868,367 7.71
2014-12-24 13D/A AP / Ampco-Pittsburgh Corporation Gamco Investors, Inc. Et Al
2014-12-18 13D/A AP / Ampco-Pittsburgh Corporation Gamco Investors, Inc. Et Al 1,315,087 12.61
2014-11-07 13D/A AP / Ampco-Pittsburgh Corporation Gamco Investors, Inc. Et Al 1,194,186 11.46
2014-08-14 13D/A TKR / The Timken Company Relational Investors Llc 4,158,522 4.58
2014-08-12 13D/A WUHN / Wuhan General Group (China), Inc. Yao Liangren 5,254,079 15.49
2014-08-07 13D/A TKR / The Timken Company Relational Investors Llc 4,935,828 5.41
2014-07-10 13D/A TKR / The Timken Company Relational Investors Llc 6,381,416 6.99
2014-06-18 13D/A AP / Ampco-Pittsburgh Corporation Gamco Investors, Inc. Et Al 1,162,444 11.18
2014-03-31 13D/A IR / Ingersoll Rand Inc. Trian Fund Management, L.p. 17,224,823 6.20
2014-03-28 13D/A WUHN / Wuhan General Group (China), Inc. Yao Liangren 3,844,952 11.33
2014-02-13 13D/A AP / Ampco-Pittsburgh Corporation Gamco Investors, Inc. Et Al 1,102,283 10.64
2014-02-03 13D/A TWIN / Twin Disc, Incorporated Gamco Investors, Inc. Et Al 816,449 7.25
2014-01-30 13D/A AP / Ampco-Pittsburgh Corporation Gamco Investors, Inc. Et Al 1,085,533 10.48
2014-01-27 13D/A AP / Ampco-Pittsburgh Corporation Gamco Investors, Inc. Et Al 1,086,033 10.48
2013-12-18 13D/A TKR / The Timken Company Relational Investors Llc 8,256,535 8.46
2013-11-21 13D WUHN / Wuhan General Group (China), Inc. Yao Liangren 1,878,876 5.54
2013-11-18 13D/A IR / Ingersoll Rand Inc. Trian Fund Management, L.p. 18,026,126 6.26
2013-08-05 13D/A TKR / The Timken Company Relational Investors Llc 7,506,535 7.90
2013-07-16 13D PGID / Peregrine Industries, Inc. Greenstone Industries Ltd. 324,000 61.80 0.00