| 2024-03-08 | Argus Research | “Hold” → “Buy” upgrade |
| 2023-10-04 | UBS | “Buy” → “Neutral” downgrade |
| 2022-12-15 | Morgan Stanley | “Equal Weight” → “Overweight” upgrade |
| 2022-10-06 | Seaport Global | “Neutral” → “Buy” upgrade |
| 2022-08-15 | Bank of America | “Neutral” → “Buy” upgrade |
| 2022-07-07 | Evercore ISI | “In Line” → “Outperform” upgrade |
| 2022-04-04 | Argus Research | “Buy” → “Hold” downgrade |
| 2022-03-09 | Wolfe Research | “Peer Perform” → “Outperform” upgrade |
| 2022-02-22 | RBC Capital | “Sector Perform” → “Outperform” upgrade |
| 2021-09-01 | Wells Fargo | “Equal Weight” → “Overweight” upgrade |
| 2021-03-09 | Wolfe Research | “Outperform” → “Peer Perform” downgrade |
| 2020-11-30 | Bank of America | “Buy” → “Neutral” downgrade |
| 2020-08-19 | Mizuho | “Buy” → “Neutral” downgrade |
| 2020-08-11 | Seaport Global | “Sell” → “Neutral” upgrade |
| 2020-06-09 | Seaport Global | “Neutral” → “Sell” downgrade |
| 2020-05-29 | Mizuho | “Neutral” → “Buy” upgrade |
| 2020-01-08 | Guggenheim | “Neutral” → “Buy” upgrade |
| 2019-10-23 | Macquarie | “Underperform” → “Neutral” upgrade |
| 2019-08-07 | Bank of America | “Underperform” → “Neutral” upgrade |
| 2019-03-08 | RBC Capital | “Outperform” → “Sector Perform” downgrade |
| 2019-02-07 | Evercore ISI | “Outperform” → “In Line” downgrade |
| 2019-01-14 | Bank of America | “Neutral” → “Underperform” downgrade |
| 2018-11-16 | Credit Suisse | “Neutral” → “Outperform” upgrade |
| 2018-08-08 | Deutsche Bank | “Buy” → “Hold” downgrade |
| 2018-03-06 | RBC Capital | “Sector Perform” → “Outperform” upgrade |
| 2018-01-18 | Deutsche Bank | “Hold” → “Buy” upgrade |
| 2017-12-19 | Macquarie | “Neutral” → “Underperform” downgrade |
| 2017-07-19 | Jefferies | “Hold” → “Buy” upgrade |
| 2017-06-26 | Goldman Sachs | “Sell” → “Neutral” upgrade |
| 2017-01-17 | Goldman Sachs | “Neutral” → “Sell” downgrade |
| 2016-11-22 | Bank of America | “Buy” → “Neutral” downgrade |
| 2016-09-14 | Wolfe Research | “Peer Perform” → “Outperform” upgrade |
| 2016-08-10 | Guggenheim | “Buy” → “Neutral” downgrade |
| 2016-07-14 | Jefferies | “Buy” → “Hold” downgrade |
| 2016-06-27 | Barclays | “Overweight” → “Equal Weight” downgrade |
| 2016-02-08 | Evercore ISI | “Buy” → “Hold” downgrade |
| 2016-02-05 | Deutsche Bank | “Buy” → “Hold” downgrade |
| 2015-10-30 | Deutsche Bank | “Hold” → “Buy” upgrade |
| 2015-10-19 | Goldman Sachs | “Neutral” → “Sell” downgrade |
| 2015-09-18 | UBS | “Neutral” → “Buy” upgrade |
| 2015-06-22 | Jefferies | “Hold” → “Buy” upgrade |
| 2015-06-02 | Tudor Pickering | “Buy” → “Hold” downgrade |
| 2015-01-05 | Jefferies | “Buy” → “Hold” downgrade |
| 2014-06-12 | Ladenburg Thalmann | “Neutral” → “Buy” upgrade |
| 2014-04-04 | Macquarie | “Outperform” → “Neutral” downgrade |
| 2014-02-03 | Jefferies | “Hold” → “Buy” upgrade |
| 2014-01-06 | Barclays | “Equal Weight” → “Overweight” upgrade |
| 2014-01-03 | Citigroup | “Neutral” → “Buy” upgrade |
| 2013-11-01 | Wolfe Research | “Underperform” → “Hold” upgrade |
| 2013-04-17 | Tudor Pickering | “Accumulate” → “Buy” revised |
| 2013-03-11 | UBS | “Buy” → “Neutral” downgrade |
| 2013-02-19 | RBC Capital | “Outperform” → “Sector Perform” downgrade |
| 2013-01-09 | Tudor Pickering | “Hold” → “Accumulate” upgrade |
| 2013-01-07 | Evercore ISI | “Neutral” → “Buy” upgrade |
| 2012-11-27 | Macquarie | “Neutral” → “Outperform” upgrade |
| 2012-08-09 | UBS | “Neutral” → “Buy” upgrade |
| 2012-04-30 | Jefferies | “Buy” → “Hold” downgrade |