Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | 8-K | d680682d8k.htm | 8-K | 16638 |
| 2 | EX-99.1 | d680682dex991.htm | EX-99.1 | 44218 |
| 3 | GRAPHIC | g680682dsp004.jpg | GRAPHIC | 223733 |
| 4 | GRAPHIC | g680682dsp005n.jpg | GRAPHIC | 329224 |
| 5 | GRAPHIC | g680682dsp006.jpg | GRAPHIC | 68321 |
| 6 | GRAPHIC | g680682dsp007.jpg | GRAPHIC | 98059 |
| 7 | GRAPHIC | g680682dsp008.jpg | GRAPHIC | 211362 |
| 8 | GRAPHIC | g680682dsp009.jpg | GRAPHIC | 145491 |
| 9 | GRAPHIC | g680682dsp010.jpg | GRAPHIC | 254696 |
| 10 | GRAPHIC | g680682dsp011.jpg | GRAPHIC | 133271 |
| 11 | GRAPHIC | g680682dsp012.jpg | GRAPHIC | 115736 |
| 12 | GRAPHIC | g680682dsp013.jpg | GRAPHIC | 197637 |
| 13 | GRAPHIC | g680682dsp014.jpg | GRAPHIC | 174438 |
| 14 | GRAPHIC | g680682dsp015.jpg | GRAPHIC | 170434 |
| 15 | GRAPHIC | g680682dsp016.jpg | GRAPHIC | 212417 |
| 16 | GRAPHIC | g680682dsp017.jpg | GRAPHIC | 163584 |
| 17 | GRAPHIC | g680682dsp018n.jpg | GRAPHIC | 136964 |
| 18 | GRAPHIC | g680682dsp019.jpg | GRAPHIC | 85466 |
| 19 | GRAPHIC | g680682dsp020.jpg | GRAPHIC | 130448 |
| 20 | GRAPHIC | g680682dsp021.jpg | GRAPHIC | 155994 |
| 21 | GRAPHIC | g680682dsp022.jpg | GRAPHIC | 172065 |
| 22 | GRAPHIC | g680682dsp023.jpg | GRAPHIC | 107093 |
| 23 | GRAPHIC | g680682dsp024.jpg | GRAPHIC | 135796 |
| 24 | GRAPHIC | g680682dsp025.jpg | GRAPHIC | 140584 |
| 25 | GRAPHIC | g680682dsp026.jpg | GRAPHIC | 188855 |
| 26 | GRAPHIC | g680682dsp027.jpg | GRAPHIC | 150141 |
| 27 | GRAPHIC | g680682dsp028.jpg | GRAPHIC | 204678 |
| 28 | GRAPHIC | g680682dsp029.jpg | GRAPHIC | 192333 |
| 29 | GRAPHIC | g680682dsp030.jpg | GRAPHIC | 102205 |
| 30 | GRAPHIC | g680682dsp031.jpg | GRAPHIC | 208650 |
| 31 | GRAPHIC | g680682dsp032n.jpg | GRAPHIC | 127280 |
| 32 | GRAPHIC | g680682dsp033.jpg | GRAPHIC | 243853 |
| 33 | GRAPHIC | g680682dsp034.jpg | GRAPHIC | 128506 |
| 34 | GRAPHIC | g680682dsp035.jpg | GRAPHIC | 104621 |
| 35 | GRAPHIC | g680682dsp036.jpg | GRAPHIC | 151874 |
| 36 | GRAPHIC | g680682dsp037.jpg | GRAPHIC | 95976 |
| 37 | GRAPHIC | g680682dsp038.jpg | GRAPHIC | 210608 |
| 38 | GRAPHIC | g680682dsp039.jpg | GRAPHIC | 178278 |
| 39 | GRAPHIC | g680682dsp040.jpg | GRAPHIC | 123772 |
| 40 | GRAPHIC | g680682dsp041.jpg | GRAPHIC | 105049 |
| 41 | GRAPHIC | g680682dsp042.jpg | GRAPHIC | 93414 |
| 42 | GRAPHIC | g680682dsp043.jpg | GRAPHIC | 126552 |
| 43 | GRAPHIC | g680682dsp044.jpg | GRAPHIC | 105972 |
| 44 | GRAPHIC | g680682dsp045.jpg | GRAPHIC | 132404 |
| 45 | GRAPHIC | g680682dsp046.jpg | GRAPHIC | 233246 |
| 46 | GRAPHIC | g680682dsp047.jpg | GRAPHIC | 84617 |
| 47 | GRAPHIC | g680682dsp048.jpg | GRAPHIC | 130037 |
| 48 | GRAPHIC | g680682dsp049.jpg | GRAPHIC | 88250 |
| 49 | GRAPHIC | g680682dsp050.jpg | GRAPHIC | 126992 |
| 50 | GRAPHIC | g680682dsp051n.jpg | GRAPHIC | 123011 |
| 51 | GRAPHIC | g680682dsp052.jpg | GRAPHIC | 73666 |
| 52 | GRAPHIC | g680682dsp053.jpg | GRAPHIC | 147239 |
| 53 | GRAPHIC | g680682dsp054.jpg | GRAPHIC | 148101 |
| 54 | GRAPHIC | g680682dsp055.jpg | GRAPHIC | 71974 |
| 55 | GRAPHIC | g680682dsp056.jpg | GRAPHIC | 19629 |
| Complete submission text file | 0001193125-19-003911.txt | 10747729 |
IRS No.: 000000000 | State of Incorp.: VA | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-36042 | Film No.: 19514068
SIC: 8731 Services-Commercial Physical & Biological Research
