| 2024-08-12 | HSBC | “Hold” → “Buy” upgrade |
| 2024-05-23 | Bank of America | “Neutral” → “Buy” upgrade |
| 2024-05-17 | HSBC | “Buy” → “Hold” downgrade |
| 2024-04-08 | Citigroup | “Neutral” → “Buy” upgrade |
| 2024-02-05 | MoffettNathanson | “Buy” → “Neutral” downgrade |
| 2023-12-07 | Bank of America | “Buy” → “Neutral” downgrade |
| 2023-11-14 | Deutsche Bank | “Hold” → “Buy” upgrade |
| 2023-10-11 | Raymond James | “Market Perform” → “Outperform” upgrade |
| 2023-04-12 | BNP Paribas Exane | “Outperform” → “Neutral” downgrade |
| 2023-02-14 | DZ Bank | “Buy” → “Hold” downgrade |
| 2023-01-27 | MoffettNathanson | “Market Perform” → “Outperform” upgrade |
| 2022-11-10 | DZ Bank | “Hold” → “Buy” upgrade |
| 2022-11-08 | Bank of America | “Neutral” → “Buy” upgrade |
| 2022-10-06 | Goldman Sachs | “Neutral” → “Buy” upgrade |
| 2022-08-17 | Deutsche Bank | “Buy” → “Hold” downgrade |
| 2022-08-10 | DZ Bank | “Buy” → “Hold” downgrade |
| 2022-08-09 | Bank of America | “Buy” → “Neutral” downgrade |
| 2022-03-04 | MKM Partners | “Neutral” → “Buy” upgrade |
| 2022-01-19 | BNP Paribas Exane | “Neutral” → “Outperform” upgrade |
| 2022-01-12 | BMO Capital | “Market Perform” → “Outperform” upgrade |
| 2022-01-11 | MoffettNathanson | “Buy” → “Neutral” downgrade |
| 2022-01-11 | Keybanc | “Sector Weight” → “Overweight” upgrade |
| 2021-09-17 | BMO Capital | “Outperform” → “Market Perform” downgrade |
| 2021-06-03 | Jefferies | “Hold” → “Buy” upgrade |
| 2021-01-26 | Raymond James | “Market Perform” → “Perform” revised |
| 2021-01-19 | UBS | “Buy” → “Neutral” downgrade |
| 2021-01-14 | MKM Partners | “Buy” → “Neutral” downgrade |
| 2021-01-13 | KeyBanc | “Overweight” → “Sector Weight” downgrade |
| 2021-01-12 | Keybanc | “Overweight” → “Equal Weight” downgrade |
| 2020-08-04 | Bank of America | “Neutral” → “Underperform” downgrade |
| 2020-06-12 | MKM Partners | “Neutral” → “Buy” upgrade |
| 2020-05-26 | BMO Capital | “Market Perform” → “Outperform” upgrade |
| 2020-03-02 | BNP Paribas Exane | “Underperform” → “Neutral” upgrade |
| 2020-01-24 | MKM Partners | “Buy” → “Neutral” downgrade |
| 2020-01-14 | Stephens & Co. | “Overweight” → “Equal Weight” downgrade |
| 2019-07-11 | Jefferies | “Buy” → “Hold” downgrade |
| 2019-06-04 | BMO Capital | “Underperform” → “Market Perform” upgrade |
| 2019-05-01 | TD Cowen | “Market Perform” → “Outperform” upgrade |
| 2019-02-12 | BMO Capital | “Market Perform” → “Underperform” downgrade |
| 2018-06-05 | BMO Capital | “Outperform” → “Market Perform” downgrade |
| 2018-04-30 | Wedbush | “Neutral” → “Outperform” upgrade |
| 2018-02-09 | Hilliard Lyons | “Underperform” → “Neutral” upgrade |
| 2017-11-08 | Baird | “Neutral” → “Outperform” upgrade |
| 2017-10-09 | TD Cowen | “Outperform” → “Market Perform” downgrade |
| 2015-06-24 | Jefferies | “Hold” → “Buy” upgrade |
| 2015-06-03 | TD Cowen | “Market Perform” → “Outperform” upgrade |
| 2015-05-19 | Sterne Agee | “Neutral” → “Buy” upgrade |
| 2015-05-19 | Sterne Agee | “Neutral” → “Buy” upgrade |
| 2014-10-30 | Brean Capital | “Hold” → “Buy” upgrade |
| 2014-09-05 | Sterne Agee | “Buy” → “Neutral” downgrade |
| 2014-09-02 | Leerink Partners | “Market Perform” → “Perform” revised |
| 2014-06-26 | Benchmark | “Hold” → “Buy” upgrade |
| 2014-05-05 | Benchmark | “Buy” → “Hold” downgrade |
| 2014-03-20 | Hilliard Lyons | “Buy” → “Neutral” downgrade |
| 2014-02-04 | Benchmark | “Buy” → “Hold” downgrade |
| 2014-02-03 | Wedbush | “Outperform” → “Neutral” downgrade |
| 2013-11-22 | TD Cowen | “Outperform” → “Market Perform” downgrade |
| 2013-09-11 | Pacific Crest | “Sector Perform” → “Perform” revised |
| 2012-12-12 | Piper Sandler | “Neutral” → “Overweight” upgrade |