| Date Filed | Type | Description |
| 02/07/2014 |
SC 13G/A
| WADDELL & REED FINANCIAL INC reports a 0% stake in Power-One, Inc. |
| 08/05/2013 |
EFFECT
| Form EFFECT - Notice of Effectiveness |
| 08/05/2013 |
EFFECT
| Form EFFECT - Notice of Effectiveness |
| 08/05/2013 |
EFFECT
| Form EFFECT - Notice of Effectiveness |
| 08/05/2013 |
EFFECT
| Form EFFECT - Notice of Effectiveness |
| 07/26/2013 |
POS AM
| Form POS AM - Post-Effective amendments for registration statement |
| 07/26/2013 |
POS AM
| Form POS AM - Post-Effective amendments for registration statement |
| 07/26/2013 |
POS AM
| Form POS AM - Post-Effective amendments for registration statement |
| 07/26/2013 |
POS AM
| Form POS AM - Post-Effective amendments for registration statement |
| 07/26/2013 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 07/26/2013 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 07/26/2013 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 07/26/2013 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 07/26/2013 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 07/26/2013 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 07/26/2013 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 07/26/2013 |
SC 13D/A
| Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend] |
| 07/26/2013 |
SC 13D/A
| Silver Lake Sumeru Fund LP reports a 0% stake in Power-One, Inc. |
| 07/25/2013 |
8-K
| Quarterly results |
| 06/19/2013 |
DEFM14A
| Form DEFM14A - Definitive proxy statement relating to merger or acquisition: |
| 06/13/2013 |
SC 13D/A
| ABB LTD reports a 33.6% stake in Power-One, Inc. |
| 06/13/2013 |
SC 13D/A
| Silver Lake Sumeru Fund LP reports a 33.6% stake in Power-One, Inc. |
| 05/10/2013 |
10-Q
| Quarterly Report for the period ended March 31, 2013 |
| 04/29/2013 |
10-K/A
| Annual Report for the period ended December 30, 2012 [amend] |
| 04/26/2013 |
SC 13D/A
| Silver Lake Sumeru Fund LP reports a 33.7% stake in Power-One, Inc. |
| 04/26/2013 |
SC 13D
| Form SC 13D - General statement of acquisition of beneficial ownership: |
| 04/22/2013 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 04/22/2013 |
SC 13D/A
| Silver Lake Sumeru Fund LP reports a 33.7% stake in Power-One, Inc. |
| 04/22/2013 |
8-K
| Entry into a Material Definitive Agreement, Regulation FD Disclosure, Financial Statements and Exhibits|
Docs:
|
"Agreement and Plan of Merger, among Power-One, Inc., ABB Ltd and Verdi Acquisition Corporation",
"Voting Agreement, among ABB Ltd, Silver Lake Sumeru Fund, L.P. and Silver Lake Technology Investors Sumeru, L.P",
"Joint press release of ABB Ltd and Power-One, Inc. regarding the execution of the Merger Agreement" |
|
| 04/22/2013 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 02/28/2013 |
10-K
| Annual Report for the period ended December 30, 2012 |
| 02/13/2013 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/07/2013 |
SC 13G/A
| WADDELL & REED FINANCIAL INC reports a 6.8% stake in Power-One, Inc. |
| 10/26/2012 |
10-Q
| Quarterly Report for the period ended September 30, 2012 |
|