Ticker: MKSI CUSIP: 55306N104 Class: EQTY
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 24,025 | $4 | $148.21 | $120.73 - $170.37 |
| Q3 2025 | 24,025 | $3 | $106.31 | $88.17 - $132.24 |
| Q2 2025 | 24,025 | $2 | $80.86 | $54.50 - $100.44 |
| Q1 2025 | 39,125 | $3 | $100.21 | $75.89 - $124.28 |
| Q4 2024 | 38,425 | $4 | $106.91 | $96.54 - $118.37 |
| Q3 2024 | 38,425 | $4 | $117.45 | $99.10 - $145.63 |
| Q2 2024 | 38,425 | $5 | $124.55 | $105.72 - $137.52 |
| Q1 2024 | 38,425 | $5 | $114.51 | $94.23 - $132.85 |
| Q4 2023 | 38,425 | $4 | $79.84 | $62.28 - $104.49 |
| Q3 2023 | 38,425 | $3 | $95.58 | $81.25 - $107.67 |
| Q2 2023 | 38,425 | $4 | $89.53 | $77.81 - $108.20 |
| Q1 2023 | 38,425 | $3 | $93.12 | $80.00 - $111.27 |
| Q4 2022 | 38,425 | $3 | $78.00 | $62.97 - $89.22 |
| Q3 2022 | 38,425 | $3,175 | $100.01 | $79.23 - $120.27 |
| Q2 2022 | 39,990 | $4,104 | $112.92 | $94.75 - $148.07 |
| Q1 2022 | 39,990 | $5,998 | $150.35 | $131.30 - $175.09 |
| Q4 2021 | 41,240 | $7,183 | $151.09 | $136.06 - $172.80 |
| Q3 2021 | 39,965 | $6,031 | $148.13 | $133.76 - $168.78 |
| Q2 2021 | 39,790 | $7,081 | $175.09 | $158.98 - $192.11 |
| Q1 2021 | 40,965 | $7,596 | $161.78 | $138.78 - $185.00 |
| Q4 2020 | 38,790 | $5,836 | $125.75 | $101.82 - $152.08 |
| Q3 2020 | 39,090 | $4,270 | $112.47 | $97.77 - $124.64 |
| Q2 2020 | 37,150 | $4,207 | $95.31 | $70.45 - $112.06 |
| Q1 2020 | 37,150 | $3,026 | $97.84 | $64.00 - $116.86 |
| Q4 2019 | 36,875 | $4,057 | $99.99 | $81.07 - $109.78 |
| Q3 2019 | 24,850 | $2,293 | $78.64 | $68.69 - $91.29 |
| Q2 2019 | 24,850 | $1,936 | $80.27 | $67.03 - $98.53 |
| Q1 2019 | 24,325 | $2,263 | $76.40 | $59.36 - $88.91 |
| Q4 2018 | 24,325 | $1,572 | $68.31 | $53.35 - $77.61 |
| Q3 2018 | 24,325 | $1,950 | $86.11 | $74.38 - $97.19 |
| Q2 2018 | 39,700 | $3,799 | $102.60 | $86.55 - $115.42 |
| Q1 2018 | 39,500 | $4,568 | $103.13 | $88.32 - $120.60 |
| Q4 2017 | 39,300 | $3,714 | $93.43 | $82.69 - $103.63 |
| Q3 2017 | 38,600 | $3,646 | $76.52 | $62.45 - $89.48 |
| Q2 2017 | 35,175 | $2,367 | $70.74 | $60.40 - $82.65 |
| Q1 2017 | 29,850 | $2,052 | $61.31 | $54.85 - $65.67 |
| Q4 2016 | 15,950 | $947 | $50.13 | $43.15 - $57.04 |
| Q3 2016 | 11,125 | $553 | $43.66 | $38.22 - $50.60 |
| Q2 2016 | 3,650 | $157 | $35.80 | $32.24 - $39.81 |
| Q1 2016 | 3,650 | $137 | $31.35 | $28.08 - $35.11 |
| Q4 2015 | 3,050 | $110 | $32.52 | $26.43 - $35.02 |
| Q3 2015 | 2,850 | $96 | $31.60 | $28.82 - $34.92 |
| Q2 2015 | 2,100 | $80 | $32.93 | $29.54 - $35.95 |