| SC 13G/A | 2020-02-10 | BlackRock Inc. | KBR, INC. | 16,713,027 | 11.8% | EDGAR |
| SC 13G/A | 2019-02-11 | BlackRock Inc. | KBR, INC. | 16,142,470 | 11.5% | EDGAR |
| SC 13G/A | 2019-02-11 | VANGUARD GROUP INC | KBR, INC. | 12,890,634 | 9.2% | EDGAR |
| SC 13G | 2019-02-11 | FRONTIER CAPITAL MANAGEMENT CO LLC | KBR, INC. | 7,163,208 | 5.1% | EDGAR |
| SC 13G/A | 2018-08-10 | FMR LLC | KBR, INC. | 3,282,186 | 2.3% | EDGAR |
| SC 13G/A | 2018-07-10 | VANGUARD GROUP INC | KBR, INC. | 14,064,830 | 10.0% | EDGAR |
| SC 13G/A | 2018-03-12 | FMR LLC | KBR, INC. | 10,900,979 | 7.8% | EDGAR |
| SC 13G/A | 2018-02-13 | FMR LLC | KBR, INC. | 18,280,409 | 13.0% | EDGAR |
| SC 13G/A | 2018-02-13 | Huber Capital Management LLC | KBR, INC. | 6,760,402 | 4.8% | EDGAR |
| SC 13G/A | 2018-02-09 | VANGUARD GROUP INC | KBR, INC. | 12,766,260 | 9.1% | EDGAR |
| SC 13G/A | 2018-01-19 | BlackRock Inc. | KBR, INC. | 14,740,863 | 10.5% | EDGAR |
| SC 13G/A | 2017-07-10 | BlackRock Inc. | KBR, INC. | 15,451,221 | 10.8% | EDGAR |
| SC 13G | 2017-04-10 | FMR LLC | KBR, INC. | 14,516,474 | 10.2% | EDGAR |
| SC 13G/A | 2017-02-13 | Huber Capital Management LLC | KBR, INC. | 11,036,494 | 7.7% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | KBR, INC. | 11,016,865 | 7.7% | EDGAR |
| SC 13G/A | 2017-02-10 | SYSTEMATIC FINANCIAL MANAGEMENT LP | KBR, INC. | 6,084,999 | 4.3% | EDGAR |
| SC 13G/A | 2017-02-07 | PRICE T ROWE ASSOCIATES INC /MD/ | KBR, INC. | 37,043 | 0.0% | EDGAR |
| SC 13G | 2017-02-07 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | KBR, INC. | 10 | 12.0% | EDGAR |
| SC 13G/A | 2017-01-25 | BlackRock Inc. | KBR, INC. | 13,360,252 | 9.4% | EDGAR |
| SC 13G/A | 2016-03-07 | BALYASNY ASSET MANAGEMENT LLC | KBR, INC. | 1,141,648 | 0.8% | EDGAR |