| Filed On | Filing |
|---|---|
| 27 Jun 2022 | SC 13D/A |
| 22 Jun 2021 | SC 13D/A |
| 04 Aug 2020 | ABB LTD |
| 06 Mar 2020 | SC 13D/A |
| 22 May 2019 | SC 13D/A |
| 13 Apr 2017 | ABB LTD |
| 23 Feb 2017 | ABB LTD |
| 13 Sep 2016 | ABB LTD |
| 29 May 2015 | SCHEDULE 13D/A |
| 12 May 2014 | ABB LTD |
| 26 Jul 2013 | SC 13D/A |
| 13 Jun 2013 | SC 13D/A |
| 28 Mar 2012 | SC 13D/A |
| 21 Feb 2006 | AMENDMENT 2; DECEMBER 31, 2005 |
| 08 Mar 2005 | AMENDMENT 1; 030405 |
| 14 Jan 2005 | SC 13D/A |
| 26 Nov 2003 | SC 13D/A |
| 17 Oct 2002 | SC 13D/A |
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