| SC 13G/A | 2019-01-31 | BlackRock Inc. | SPX CORP | 6,177,732 | 14.2% | EDGAR |
| SC 13G/A | 2018-02-13 | ACR Alpine Capital Research, LLC | SPX CORP | 2,529,964 | 5.9% | EDGAR |
| SC 13G/A | 2018-02-12 | VANGUARD GROUP INC | SPX CORP | 4,528,039 | 10.6% | EDGAR |
| SC 13G/A | 2018-01-19 | BlackRock Inc. | SPX CORP | 5,334,444 | 12.5% | EDGAR |
| SC 13G/A | 2017-08-10 | VANGUARD GROUP INC | SPX CORP | 4,355,908 | 10.3% | EDGAR |
| SC 13G/A | 2017-02-14 | Alpine Investment Management, LLC | SPX CORP | 2,585,658 | 6.2% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | SPX CORP | 3,348,529 | 8.0% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | SPX CORP | 3,628,962 | 8.7% | EDGAR |
| SC 13G/A | 2017-01-17 | BlackRock Inc. | SPX CORP | 5,170,944 | 12.3% | EDGAR |
| SC 13G/A | 2016-02-16 | Point72 Asset Management, L.P. | SPX CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2016-02-11 | Kleinwort Benson Investors Dublin Ltd | SPX CORP | 2,680,036 | 6.6% | EDGAR |
| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | SPX CORP | 2,979,838 | 7.3% | EDGAR |
| SC 13G | 2016-02-08 | Alpine Investment Management, LLC | SPX CORP | 2,222,640 | 5.4% | EDGAR |
| SC 13G/A | 2016-01-08 | BlackRock Inc. | SPX CORP | 5,219,550 | 12.8% | EDGAR |
| SC 13G/A | 2015-11-10 | BlackRock Inc. | SPX CORP | 5,125,193 | 12.5% | EDGAR |
| SC 13G/A | 2015-11-06 | JPMORGAN CHASE & CO | SPX CORP | 897,141 | 2.1% | EDGAR |
| SC 13G | 2015-11-06 | Kleinwort Benson Investors Dublin Ltd | SPX CORP | 2,156,651 | 5.2% | EDGAR |
| SC 13G | 2015-07-02 | Point72 Asset Management, L.P. | SPX CORP | 2,049,439 | 4.9% | EDGAR |
| SC 13D/A | 2015-04-29 | RELATIONAL INVESTORS LLC | SPX CORP | 2,008,440 | 4.9% | EDGAR |
| SC 13D/A | 2015-04-20 | RELATIONAL INVESTORS LLC | SPX CORP | 2,366,660 | 5.8% | EDGAR |