| Filing Date | Insider | Type | 10b5-1 | Net Shares | Ownership change | Avg. Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-05-18 | HEARTY JAMES O Chief Compliance Officer | Sale | -15,000 | -40.12%22,389 | $193.98 | $2,909,745 | View SEC filing | |
| 2026-05-13 | Maughan David Paul Chief Operating Officer, DKC | Sale | -20,529 | -17.91%94,105 | $199.22 | $4,089,743 | View SEC filing | |
| 2026-05-11 | ACKERMAN JOEL CFO and Treasurer | Sale | -51,471 | -27.99%132,434 | $192.10 | $9,887,528 | View SEC filing | |
| 2026-05-08 | HEARTY JAMES O Chief Compliance Officer | Sale | -2,184 | -5.73%35,953 | $174.87 | $381,916 | View SEC filing | |
| 2026-05-05 | BUFFETT WARREN E 10% Owner | Sale | -1,220,376 | -4.05%28,880,209 | $149.84 | $182,864,679 | View SEC filing | |
| 2026-02-02 | BUFFETT WARREN E 10% Owner | Sale | -1,658,480 | -5.22%30,100,585 | $120.56 | $199,939,881 | View SEC filing | |
| 2025-10-29 | BUFFETT WARREN E 10% Owner | Sale | -401,514 | -1.25%31,759,065 | $135.36 | $54,347,249 | View SEC filing | |
| 2025-08-04 | BUFFETT WARREN E 10% Owner | Sale | -1,635,962 | -4.84%32,160,579 | $140.61 | $230,024,764 | View SEC filing | |
| 2025-07-24 | HEARTY JAMES O Chief Compliance Officer | Sale | -2,351 | -8.28%26,038 | $150.00 | $352,650 | View SEC filing | |
| 2025-05-27 | BUFFETT WARREN E 10% Owner | Sale | -200,000 | -0.59%33,796,541 | $138.85 | $27,769,399 | View SEC filing | |
| 2025-05-12 | BUFFETT WARREN E 10% Owner | Sale | -1,145,938 | -3.26%33,996,541 | $147.11 | $168,576,647 | View SEC filing | |
| 2025-02-19 | BUFFETT WARREN E 10% Owner | Sale | -750,000 | -2.09%35,142,479 | $154.74 | $116,055,616 | View SEC filing | |
| 2025-02-13 | BUFFETT WARREN E 10% Owner | Sale | -203,091 | -0.56%35,892,479 | $156.01 | $31,684,430 | View SEC filing | |
| 2024-09-17 | Rodriguez Javier Chief Executive Officer | Sale | -59,881 | -6.67%837,835 | $164.69 | $9,861,637 | View SEC filing | |
| 2024-08-29 | ACKERMAN JOEL CFO and Treasuer | Sale | -68,769 | -39.18%106,741 | $155.06 | $10,663,371 | View SEC filing | |
| 2024-08-28 | Rodriguez Javier Chief Executive Officer | Sale | -40,119 | -4.28%897,716 | $155.93 | $6,255,892 | View SEC filing | |
| 2024-08-19 | STAFFIERI MICHAEL DAVID Chief Operating Officer, DKC | Sale | -42,119 | -16.75%209,365 | $150.13 | $6,323,508 | View SEC filing | |
| 2024-08-15 | Waters Kathleen Alyce Chief Legal & Pub. Affairs Off | Sale | -7,857 | -8.65%83,011 | $146.21 | $1,148,766 | View SEC filing | |
| 2024-05-14 | DESOER BARBARA J Director | Sale | -5,030 | -31.47%10,954 | $138.81 | $698,214 | View SEC filing | |
| 2024-02-28 | Rodriguez Javier Chief Executive Officer | Sale | -75,000 | -13.48%481,300 | $126.18 | $9,463,597 | View SEC filing | |
| 2024-02-23 | STAFFIERI MICHAEL DAVID Chief Operating Officer, DKC | Sale | -29,488 | -43.90%37,687 | $119.81 | $3,533,025 | View SEC filing | |
| 2024-02-23 | Waters Kathleen Alyce Chief Legal & Pub. Affairs Off | Sale | -11,285 | -12.19%81,297 | $120.73 | $1,362,438 | View SEC filing | |
| 2024-02-20 | HEARTY JAMES O Chief Compliance Officer | Sale | -26,164 | -56.35%20,264 | $119.64 | $3,130,269 | View SEC filing | |
| 2023-08-24 | Waters Kathleen Alyce Chief Legal & Pub. Affairs Off | Sale | -9,794 | -10.75%81,297 | $101.81 | $997,099 | View SEC filing | |
| 2023-05-12 | YALE PHYLLIS R Director | Sale | -2,196 | -14.35%13,110 | $95.26 | $209,195 | View SEC filing |
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