| 
| Insider Trading | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |  | Meryl S Paul 2023 Trust | Member of immediate family of | Oct 17 '25 | Proposed Sale | 489.00 | 40,000 | 19,560,000 |  | Oct 17 03:41 PM |  | Allan V. Apple | 10% Owner | Oct 09 '25 | Proposed Sale | 492.87 | 20,000 | 9,857,400 |  | Oct 09 04:15 PM |  | Booth Kenneth | Chief Executive Officer | Sep 18 '25 | Option Exercise | 333.94 | 4,000 | 1,335,760 | 72,116 | Sep 22 04:06 PM |  | Booth Kenneth | Chief Executive Officer | Sep 18 '25 | Sale | 506.59 | 4,000 | 2,026,360 | 68,116 | Sep 22 04:06 PM |  | Booth Kenneth | Officer | Sep 18 '25 | Proposed Sale | 506.59 | 4,000 | 2,026,362 |  | Sep 18 02:08 PM |  | ULATOWSKI DANIEL A. | Chief Sales Officer | Sep 11 '25 | Option Exercise | 333.94 | 4,000 | 1,335,760 | 32,290 | Sep 15 04:02 PM |  | ULATOWSKI DANIEL A. | Chief Sales Officer | Sep 11 '25 | Sale | 522.00 | 4,000 | 2,088,000 | 28,290 | Sep 15 04:02 PM |  | ULATOWSKI DANIEL A. | Officer | Sep 11 '25 | Proposed Sale | 522.00 | 4,000 | 2,088,000 |  | Sep 11 02:00 PM |  | Jill Foss Watson Living Trust | Stakeholder | Sep 09 '25 | Proposed Sale | 515.00 | 10,000 | 5,150,000 |  | Sep 09 04:17 PM |  | Elliott Nicholas J | Chief Alignment Officer | Sep 05 '25 | Sale | 521.73 | 350 | 182,606 | 19,035 | Sep 09 04:04 PM |  | BUSK DOUGLAS W | Officer | Sep 05 '25 | Proposed Sale | 523.49 | 1,000 | 523,495 |  | Sep 05 11:51 AM |  | Elliott Nicholas J | Officer | Sep 05 '25 | Proposed Sale | 521.73 | 350 | 182,606 |  | Sep 05 10:35 AM |  | LUM JONATHAN | Chief Operating Officer | Aug 25 '25 | Option Exercise | 333.94 | 6,000 | 2,003,640 | 37,493 | Aug 27 04:35 PM |  | LUM JONATHAN | Chief Operating Officer | Aug 25 '25 | Sale | 512.61 | 6,000 | 3,075,684 | 31,493 | Aug 27 04:35 PM |  | ULATOWSKI DANIEL A. | Chief Sales Officer | Aug 25 '25 | Option Exercise | 333.94 | 2,139 | 714,298 | 30,429 | Aug 26 04:27 PM |  | ULATOWSKI DANIEL A. | Chief Sales Officer | Aug 22 '25 | Option Exercise | 333.94 | 1,505 | 502,580 | 29,795 | Aug 26 04:27 PM |  | ULATOWSKI DANIEL A. | Chief Sales Officer | Aug 25 '25 | Sale | 509.05 | 2,139 | 1,088,866 | 28,290 | Aug 26 04:27 PM |  | ULATOWSKI DANIEL A. | Chief Sales Officer | Aug 22 '25 | Sale | 507.26 | 1,505 | 763,424 | 28,290 | Aug 26 04:27 PM |  | ULATOWSKI DANIEL A. | Chief Sales Officer | Aug 25 '25 | Sale | 508.50 | 53 | 26,950 | 0 | Aug 26 04:27 PM |  | BUSK DOUGLAS W | Officer | Aug 26 '25 | Proposed Sale | 510.24 | 1,500 | 765,360 |  | Aug 26 10:07 AM |  | LUM JONATHAN | Officer | Aug 25 '25 | Proposed Sale | 502.00 | 6,000 | 3,012,000 |  | Aug 25 02:28 PM |  | ULATOWSKI DANIEL A. | Officer | Aug 25 '25 | Proposed Sale | 509.05 | 2,139 | 1,088,860 |  | Aug 25 12:36 PM |  | ULATOWSKI DANIEL A. | Officer | Aug 22 '25 | Proposed Sale | 507.26 | 1,505 | 763,430 |  | Aug 22 04:27 PM |  | BUSK DOUGLAS W | Officer | Aug 13 '25 | Proposed Sale | 485.42 | 1,500 | 728,129 |  | Aug 13 04:09 PM |  | BUSK DOUGLAS W | Officer | Aug 13 '25 | Proposed Sale | 479.05 | 1,500 | 718,575 |  | Aug 13 10:11 AM |  | Meryl S Paul 2023 Trust | Member of immediate family of | Jul 29 '25 | Proposed Sale | 516.31 | 40,000 | 20,652,400 |  | Jul 29 03:52 PM |  | Watson Jill Foss | 10% Owner | Jul 02 '25 | Sale | 539.97 | 20,000 | 10,799,406 | 102,107 | Jul 07 07:07 PM |  | Prescott Associates L.P. | Member of Section 13(d) Group | Jul 02 '25 | Proposed Sale | 529.41 | 42,329 | 22,409,396 |  | Jul 01 08:11 PM |  | Rostami Andrew K | Chief Mktg and Product Officer | Jun 20 '25 | Sale | 505.29 | 375 | 189,484 | 25,478 | Jun 23 04:11 PM |  | Rostami Andrew K | Officer | Jun 20 '25 | Proposed Sale | 505.29 | 375 | 189,484 |  | Jun 20 02:03 PM |  | ULATOWSKI DANIEL A. | Chief Sales Officer | Jun 11 '25 | Option Exercise | 333.94 | 6,356 | 2,122,523 | 34,646 | Jun 13 04:02 PM |  | ULATOWSKI DANIEL A. | Chief Sales Officer | Jun 11 '25 | Sale | 522.16 | 6,356 | 3,318,826 | 28,290 | Jun 13 04:02 PM |  | ULATOWSKI DANIEL A. | Officer | Jun 11 '25 | Proposed Sale | 522.16 | 6,356 | 3,318,856 |  | Jun 11 04:07 PM |  | Jill Foss Watson Living Trust | Stakeholder | Jun 11 '25 | Proposed Sale | 521.00 | 30,000 | 15,630,000 |  | Jun 11 03:12 PM |  | Prescott General Partners LLC | Member of Section 13(d) Group | May 12 '25 | Sale | 499.84 | 16,909 | 8,451,805 | 41,437 | May 14 04:00 PM |  | Prescott General Partners LLC | Member of Section 13(d) Group | May 07 '25 | Sale | 495.17 | 33,133 | 16,406,319 | 43,618 | May 09 04:01 PM |  | Prescott General Partners LLC | Member of Section 13(d) Group | May 08 '25 | Sale | 494.92 | 26,728 | 13,228,211 | 42,282 | May 09 04:01 PM |  | PRESCOTT INVESTORS INC. PROFIT | Director | May 07 '25 | Proposed Sale | 496.99 | 5,000 | 2,484,950 |  | May 07 06:43 AM |  | IDOYA PARTNERS LP | Director | May 07 '25 | Proposed Sale | 496.99 | 30,000 | 14,909,700 |  | May 07 06:41 AM |  | PRESCOTT ASSOCIATES LP | Director | May 07 '25 | Proposed Sale | 496.99 | 80,000 | 39,759,200 |  | May 07 06:39 AM |  | BUSK DOUGLAS W | Chief Treasury Officer | Mar 25 '25 | Option Exercise | 333.94 | 3,000 | 1,001,820 | 6,112 | Mar 27 04:04 PM |  | BUSK DOUGLAS W | Chief Treasury Officer | Mar 25 '25 | Sale | 515.97 | 3,000 | 1,547,910 | 3,112 | Mar 27 04:04 PM |  | BUSK DOUGLAS W | Officer | Mar 25 '25 | Proposed Sale | 515.97 | 3,000 | 1,547,908 |  | Mar 25 01:15 PM |  | Allan V. Apple | 10% Owner | Mar 24 '25 | Proposed Sale | 512.02 | 20,000 | 10,240,400 |  | Mar 24 05:45 PM |  | Elliott Nicholas J | Chief Alignment Officer | Mar 20 '25 | Sale | 502.00 | 300 | 150,600 | 19,385 | Mar 24 04:03 PM |  | Elliott Nicholas J | Officer | Mar 20 '25 | Proposed Sale | 502.00 | 300 | 150,600 |  | Mar 20 11:32 AM |  | LUM JONATHAN | Chief Operating Officer | Dec 17 '24 | Sale | 489.90 | 552 | 270,425 | 31,493 | Dec 19 04:04 PM |  | LUM JONATHAN | Officer | Dec 17 '24 | Proposed Sale | 489.90 | 552 | 270,425 |  | Dec 17 04:28 PM |  |