| Insider Trading | 
Relationship | 
Date | 
Transaction | 
Cost | 
#Shares | 
Value ($) | 
#Shares Total | 
SEC Form 4 | 
 
| PFEIFFER GARY M | Director | Oct 22 '25 | Sale | 182.40 | 1,482 | 270,317 | 29,431 | Oct 24 06:10 PM |  | PFEIFFER GARY M | Director | Oct 22 '25 | Proposed Sale | 182.40 | 1,482 | 270,317 |  | Oct 22 02:10 PM |  | PREVOZNIK MICHAEL E | SVP & General Counsel | Sep 26 '25 | Option Exercise | 103.57 | 227 | 23,510 | 38,344 | Sep 30 04:36 PM |  | PREVOZNIK MICHAEL E | SVP & General Counsel | Sep 26 '25 | Sale | 188.13 | 227 | 42,706 | 38,117 | Sep 30 04:36 PM |  | PREVOZNIK MICHAEL E | Officer | Sep 26 '25 | Proposed Sale | 188.13 | 227 | 42,706 |  | Sep 26 04:12 PM |  | PREVOZNIK MICHAEL E | SVP & General Counsel | Sep 23 '25 | Option Exercise | 103.57 | 28,288 | 2,929,788 | 66,405 | Sep 25 04:39 PM |  | PREVOZNIK MICHAEL E | SVP & General Counsel | Sep 24 '25 | Option Exercise | 103.57 | 175 | 18,125 | 38,292 | Sep 25 04:39 PM |  | PREVOZNIK MICHAEL E | SVP & General Counsel | Sep 23 '25 | Sale | 187.12 | 28,288 | 5,293,313 | 38,117 | Sep 25 04:39 PM |  | PREVOZNIK MICHAEL E | SVP & General Counsel | Sep 24 '25 | Sale | 187.02 | 175 | 32,729 | 38,117 | Sep 25 04:39 PM |  | PREVOZNIK MICHAEL E | Officer | Sep 24 '25 | Proposed Sale | 187.02 | 175 | 32,729 |  | Sep 24 04:10 PM |  | PREVOZNIK MICHAEL E | Officer | Sep 23 '25 | Proposed Sale | 187.12 | 28,288 | 5,293,313 |  | Sep 23 04:14 PM |  | Plewman Patrick | SVP for Diagnostic Services | Aug 21 '25 | Sale | 185.00 | 1,975 | 365,375 | 15,269 | Aug 25 04:27 PM |  | Plewman Patrick | SVP for Diagnostic Services | Aug 19 '25 | Option Exercise | 112.17 | 4,532 | 508,354 | 21,776 | Aug 21 04:34 PM |  | Plewman Patrick | SVP for Diagnostic Services | Aug 19 '25 | Sale | 183.00 | 4,532 | 829,356 | 17,244 | Aug 21 04:34 PM |  | Plewman Patrick | Officer | Aug 21 '25 | Proposed Sale | 185.00 | 1,975 | 365,375 |  | Aug 21 12:10 PM |  | Plewman Patrick | SVP for Diagnostic Services | Aug 15 '25 | Sale | 180.00 | 1,975 | 355,500 | 17,244 | Aug 19 04:47 PM |  | Plewman Patrick | Director | Aug 19 '25 | Proposed Sale | 183.00 | 4,532 | 829,356 |  | Aug 19 04:09 PM |  | Plewman Patrick | Officer | Aug 15 '25 | Proposed Sale | 180.00 | 72 | 12,960 |  | Aug 15 05:29 PM |  | Plewman Patrick | Officer | Aug 15 '25 | Proposed Sale | 180.00 | 1,903 | 342,540 |  | Aug 15 05:22 PM |  | Plewman Patrick | SVP for Diagnostic Services | Aug 06 '25 | Option Exercise | 86.63 | 3,560 | 308,403 | 24,745 | Aug 08 04:40 PM |  | Plewman Patrick | SVP for Diagnostic Services | Aug 06 '25 | Sale | 175.00 | 5,535 | 968,625 | 19,219 | Aug 08 04:40 PM |  | Plewman Patrick | Officer | Aug 06 '25 | Proposed Sale | 175.00 | 5,535 | 968,625 |  | Aug 06 01:54 PM |  | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Jul 30 '25 | Option Exercise | 102.77 | 8,269 | 849,764 | 15,884 | Aug 01 04:37 PM |  | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Jul 30 '25 | Sale | 167.40 | 8,269 | 1,384,231 | 10,660 | Aug 01 04:37 PM |  | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Jul 31 '25 | Sale | 170.00 | 2,210 | 375,700 | 8,450 | Aug 01 04:37 PM |  | KUPPUSAMY KARTHIK | Officer | Jul 31 '25 | Proposed Sale | 170.00 | 2,210 | 375,700 |  | Jul 31 02:27 PM |  | KUPPUSAMY KARTHIK | Officer | Jul 30 '25 | Proposed Sale | 167.40 | 8,269 | 1,384,231 |  | Jul 30 03:59 PM |  | DELANEY MARK E | SVP & Chief Commercial Officer | May 12 '25 | Sale | 175.72 | 874 | 153,579 | 8,372 | May 14 05:12 PM |  | DELANEY MARK E | SVP & Chief Commercial Officer | May 13 '25 | Sale | 175.31 | 874 | 153,221 | 7,498 | May 14 05:12 PM |  | DELANEY MARK E | Officer | May 13 '25 | Proposed Sale | 175.31 | 874 | 153,221 |  | May 13 09:59 AM |  | DELANEY MARK E | Officer | May 12 '25 | Proposed Sale | 175.72 | 874 | 153,579 |  | May 12 10:01 AM |  | Davis J. E. | CEO and President | Apr 02 '25 | Sale | 168.46 | 39,191 | 6,602,074 | 127,623 | Apr 04 08:29 PM |  | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Apr 02 '25 | Sale | 170.00 | 2,555 | 434,350 | 10,575 | Apr 04 08:26 PM |  | Davis J. E. | Officer | Apr 02 '25 | Proposed Sale | 170.00 | 39,191 | 6,662,470 |  | Apr 02 10:20 AM |  | KUPPUSAMY KARTHIK | Officer | Apr 02 '25 | Proposed Sale | 170.00 | 2,555 | 434,350 |  | Apr 02 09:50 AM |  | PREVOZNIK MICHAEL E | SVP & General Counsel | Mar 17 '25 | Sale | 170.00 | 4,643 | 789,310 | 38,117 | Mar 19 09:00 PM |  | PREVOZNIK MICHAEL E | Officer | Mar 17 '25 | Proposed Sale | 170.00 | 4,643 | 789,310 |  | Mar 17 10:15 AM |  | Doherty Catherine T. | EVP, Regional Businesses | Mar 05 '25 | Sale | 174.13 | 5,370 | 935,078 | 68,068 | Mar 07 07:23 PM |  | Doherty Catherine T. | EVP, Regional Businesses | Mar 04 '25 | Sale | 175.79 | 716 | 125,866 | 68,068 | Mar 05 04:38 PM |  | PREVOZNIK MICHAEL E | SVP & General Counsel | Mar 04 '25 | Sale | 175.79 | 592 | 104,068 | 38,117 | Mar 05 04:35 PM |  | Doherty Catherine T. | Officer | Mar 05 '25 | Proposed Sale | 174.13 | 5,370 | 935,078 |  | Mar 05 09:59 AM |  | PREVOZNIK MICHAEL E | Officer | Mar 04 '25 | Proposed Sale | 175.79 | 592 | 104,068 |  | Mar 04 10:20 AM |  | Doherty Catherine T. | Officer | Mar 04 '25 | Proposed Sale | 175.79 | 716 | 125,866 |  | Mar 04 09:58 AM |  | PREVOZNIK MICHAEL E | SVP & General Counsel | Feb 27 '25 | Sale | 172.61 | 528 | 91,138 | 39,031 | Feb 28 04:38 PM |  | Doherty Catherine T. | EVP, Regional Businesses | Feb 27 '25 | Sale | 172.61 | 824 | 142,231 | 69,178 | Feb 28 04:35 PM |  | Doherty Catherine T. | Officer | Feb 27 '25 | Proposed Sale | 172.61 | 824 | 142,231 |  | Feb 27 10:52 AM |  | PREVOZNIK MICHAEL E | Officer | Feb 27 '25 | Proposed Sale | 172.61 | 528 | 91,138 |  | Feb 27 10:41 AM |  | PREVOZNIK MICHAEL E | SVP & General Counsel | Feb 20 '25 | Sale | 170.99 | 604 | 103,278 | 39,845 | Feb 21 04:44 PM |  | Plewman Patrick | SVP for Diagnostic Services | Feb 19 '25 | Sale | 169.71 | 320 | 54,307 | 18,082 | Feb 21 04:43 PM |  | Doherty Catherine T. | EVP, Regional Businesses | Feb 20 '25 | Sale | 170.99 | 899 | 153,720 | 70,457 | Feb 21 04:41 PM |  | Doherty Catherine T. | EVP, Regional Businesses | Feb 19 '25 | Sale | 169.71 | 535 | 90,795 | 71,356 | Feb 21 04:41 PM |  | PREVOZNIK MICHAEL E | Officer | Feb 20 '25 | Proposed Sale | 170.99 | 604 | 103,278 |  | Feb 20 10:01 AM |  | Doherty Catherine T. | Officer | Feb 20 '25 | Proposed Sale | 170.99 | 899 | 153,720 |  | Feb 20 09:56 AM |  | Gregg Vicky B | Director | Feb 05 '25 | Sale | 164.57 | 1,250 | 205,710 | 16,867 | Feb 07 04:37 PM |  | DELANEY MARK E | SVP & Chief Commercial Officer | Feb 05 '25 | Sale | 164.30 | 403 | 66,214 | 4,624 | Feb 07 04:36 PM |  | DELANEY MARK E | Officer | Feb 05 '25 | Proposed Sale | 164.30 | 403 | 66,214 |  | Feb 05 05:06 PM |  | Gregg Vicky B | Director | Feb 05 '25 | Proposed Sale | 164.57 | 1,250 | 205,710 |  | Feb 05 04:00 PM |  | DELANEY MARK E | Officer | Jan 31 '25 | Proposed Sale | 164.85 | 2,615 | 431,094 |  | Jan 31 01:12 PM |  | PREVOZNIK MICHAEL E | SVP & General Counsel | Nov 29 '24 | Option Exercise | 86.63 | 35,146 | 3,044,698 | 73,624 | Dec 02 04:43 PM |  | PREVOZNIK MICHAEL E | SVP & General Counsel | Nov 29 '24 | Sale | 163.07 | 35,146 | 5,731,302 | 38,478 | Dec 02 04:43 PM |  | Doherty Catherine T. | EVP, Regional Businesses | Nov 27 '24 | Option Exercise | 103.57 | 33,103 | 3,428,478 | 101,515 | Dec 02 04:41 PM |  | Doherty Catherine T. | EVP, Regional Businesses | Nov 27 '24 | Sale | 162.99 | 33,103 | 5,395,484 | 68,412 | Dec 02 04:41 PM |  | PREVOZNIK MICHAEL E | Officer | Nov 29 '24 | Proposed Sale | 163.07 | 35,146 | 5,731,302 |  | Nov 29 02:42 PM |  | Doherty Catherine T. | Officer | Nov 27 '24 | Proposed Sale | 162.99 | 33,103 | 5,395,484 |  | Nov 27 04:12 PM |  | DEPPE MICHAEL J | SVP, Corp. Controller & CAO | Nov 06 '24 | Option Exercise | 68.66 | 18,755 | 1,287,634 | 53,696 | Nov 07 05:21 PM |  | DEPPE MICHAEL J | SVP, Corp. Controller & CAO | Nov 06 '24 | Sale | 154.05 | 18,755 | 2,889,123 | 34,941 | Nov 07 05:21 PM |   
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