| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price | Investors |
|---|---|---|---|---|---|
| 2025 Q3 | 83,300 | $28,763,000 | +$5,963,172 | $345.30 | 1 |
| 2025 Q2 | 66,003 | $20,600,416 | +$13,269,128 | $311.97 | 2 |
| 2025 Q1 | 23,500 | $12,308,000 | +$1,309,362 | $523.75 | 1 |
| 2024 Q4 | 21,000 | $10,623,000 | +$9,560,700 | $505.86 | 1 |
| 2024 Q3 | 2,100 | $1,227,000 | +$1,227,000 | $584.68 | 1 |
| 2024 Q2 | $509.26 | 0 | |||
| 2024 Q1 | $494.70 | 0 | |||
| 2023 Q4 | $526.47 | 0 | |||
| 2023 Q3 | 0 | $0 | -$240,000 | $504.19 | 0 |
| 2023 Q2 | 500 | $240,000 | +$240,000 | $480.64 | 1 |
| 2023 Q1 | 0 | $0 | -$583,000 | $472.59 | 0 |
| 2022 Q4 | 1,100 | $583,000 | +$212,000 | $530.18 | 1 |
| 2022 Q3 | 700 | $353,000 | +$353,000 | $505.04 | 1 |
| 2022 Q2 | 0 | $0 | -$3,110,000 | $513.63 | 0 |
| 2022 Q1 | 6,100 | $3,110,000 | +$50,984 | $509.97 | 1 |
| 2021 Q4 | 6,000 | $3,012,000 | +$150,600 | $502.14 | 1 |
| 2021 Q3 | 5,700 | $2,227,000 | +$2,227,000 | $390.74 | 1 |
| 2021 Q2 | 0 | $0 | -$3,460,000 | $400.44 | 0 |
| 2021 Q1 | 9,300 | $3,460,000 | +$3,460,000 | $372.07 | 1 |
| 2020 Q4 | $350.68 | 0 | |||
| 2020 Q3 | 0 | $0 | -$1,032,000 | $311.77 | 0 |
| 2020 Q2 | 3,500 | $1,032,000 | -$707,657 | $294.95 | 1 |
| 2020 Q1 | 5,900 | $1,471,000 | +$1,471,000 | $249.37 | 1 |
| 2019 Q4 | 0 | $0 | -$2,542,000 | $293.98 | 0 |
| 2019 Q3 | 11,700 | $2,542,000 | +$2,542,000 | $217.32 | 1 |
| 2019 Q2 | $244.01 | 0 | |||
| 2019 Q1 | $247.26 | 0 | |||
| 2018 Q4 | $249.12 | 0 | |||
| 2018 Q3 | 0 | $0 | -$2,233,000 | $266.04 | 0 |
| 2018 Q2 | 9,100 | $2,233,000 | +$2,233,000 | $245.34 | 1 |
| 2018 Q1 | $214.00 | 0 | |||
| 2017 Q4 | $100.27 | 0 | |||
| 2017 Q3 | $195.88 | 0 | |||
| 2017 Q2 | $185.41 | 0 | |||
| 2017 Q1 | $164.01 | 0 | |||
| 2016 Q4 | 0 | $0 | -$17,500,000 | $160.04 | 0 |
| 2016 Q3 | 125,000 | $17,500,000 | -$17,500,000 | $140.00 | 1 |
| 2016 Q2 | 250,000 | $35,300,000 | -$15,885,000 | $141.20 | 1 |
| 2016 Q1 | 362,500 | $46,726,000 | +$46,726,000 | $128.90 | 1 |
| 2015 Q4 | 0 | $0 | -$457,000 | $117.64 | 0 |
| 2015 Q3 | 331,600 | $457,000 | -$14,671,000 | $116.01 | 1 |
| 2015 Q2 | 124,000 | $15,128,000 | +$183,000 | $122.00 | 1 |
| 2015 Q1 | 122,500 | $14,491,000 | +$14,491,000 | $118.29 | 1 |
| 2014 Q4 | $101.12 | 0 | |||
| 2014 Q3 | $86.24 | 0 | |||
| 2014 Q2 | $81.75 | 0 | |||
| 2014 Q1 | $81.99 | 0 |