| 27 sept. 2023 | PURCHASE | LARSON MICHAEL | 13 000 | 7.90 USD | |
| 15 juil. 2022 | PURCHASE | LARSON MICHAEL | 5 000 | 9.78 USD | |
| 26 mai 2022 | PURCHASE | GATES WILLIAM H III | 13 425 | 10.63 USD | |
| 25 mai 2022 | PURCHASE | GATES WILLIAM H III | 50 497 | 10.57 USD | |
| 23 mai 2022 | PURCHASE | CASCADE INVESTMENT, L.L.C.entité | 19 835 | 10.28 USD | |
| 24 mai 2022 | PURCHASE | CASCADE INVESTMENT, L.L.C.entité | 44 344 | 10.42 USD | |
| 19 mai 2022 | PURCHASE | CASCADE INVESTMENT, L.L.C.entité | 41 263 | 10.22 USD | |
| 20 mai 2022 | PURCHASE | CASCADE INVESTMENT, L.L.C.entité | 20 899 | 10.22 USD | |
| 18 mai 2022 | PURCHASE | CASCADE INVESTMENT, L.L.C.entité | 9 737 | 10.31 USD | |
| 30 déc. 2020 | SALE | GATES WILLIAM H III | 1 942 045 | 13.99 USD | |
| 01 avr. 2019 | PURCHASE | TOUPIN RONALD E JR | 250 | 10.71 USD | |
| 08 oct. 2018 | PURCHASE | TOUPIN RONALD E JR | 150 | 10.72 USD | |
| 02 avr. 2018 | PURCHASE | TOUPIN RONALD E JR | 150 | 11.56 USD | |
| 30 sept. 2016 | PURCHASE | TOUPIN RONALD E JR | 250 | 11.49 USD | |
| 31 mars 2016 | PURCHASE | TOUPIN RONALD E JR | 75 | 10.97 USD | |
| 08 janv. 2016 | PURCHASE | TOUPIN RONALD E JR | 175 | 10.62 USD | |
| 16 déc. 2015 | PURCHASE | TOUPIN RONALD E JR | 100 | 10.52 USD | |
| 13 oct. 2015 | PURCHASE | TOUPIN RONALD E JR | 100 | 10.70 USD | |
| 07 avr. 2015 | PURCHASE | GATES WILLIAM H III | 2 700 | 11.62 USD | |
| 06 avr. 2015 | PURCHASE | GATES WILLIAM H III | 19 400 | 11.64 USD | |
| 06 avr. 2015 | PURCHASE | TOUPIN RONALD E JR | 100 | 11.67 USD | |
| 02 avr. 2015 | PURCHASE | CASCADE INVESTMENT LLCentité | 6 700 | 11.62 USD | |
| 01 avr. 2015 | PURCHASE | CASCADE INVESTMENT LLCentité | 12 800 | 11.64 USD | |
| 26 mars 2015 | PURCHASE | CASCADE INVESTMENT LLCentité | 21 100 | 11.56 USD | |
| 25 mars 2015 | PURCHASE | CASCADE INVESTMENT LLCentité | 9 800 | 11.58 USD | |