| 2024-10-16 | TD Cowen | “Hold” → “Buy” upgrade |
| 2024-07-26 | Cantor Fitzgerald | “Underweight” → “Neutral” upgrade |
| 2024-07-26 | Barclays | “Equal Weight” → “Overweight” upgrade |
| 2024-06-26 | Baird | “Neutral” → “Outperform” upgrade |
| 2024-05-20 | UBS | “Neutral” → “Buy” upgrade |
| 2024-01-02 | Wells Fargo | “Equal Weight” → “Overweight” upgrade |
| 2023-12-11 | Goldman Sachs | “Sell” → “Buy” upgrade |
| 2023-05-26 | Leerink Partners | “Market Perform” → “Outperform” upgrade |
| 2023-04-25 | Barclays | “Underweight” → “Equal Weight” upgrade |
| 2023-03-02 | RBC Capital | “Sector Perform” → “Perform” revised |
| 2023-03-01 | Wolfe Research | “Outperform” → “Peer Perform” downgrade |
| 2023-01-24 | UBS | “Sell” → “Neutral” upgrade |
| 2023-01-03 | Wells Fargo | “Underweight” → “Equal Weight” upgrade |
| 2022-12-16 | Bank of America | “Underperform” → “Neutral” upgrade |
| 2022-07-06 | BMO Capital | “Market Perform” → “Underperform” downgrade |
| 2022-02-28 | Seaport Global | “Buy” → “Neutral” downgrade |
| 2021-09-27 | Leerink Partners | “Market Perform” → “Perform” revised |
| 2021-09-08 | Goldman Sachs | “Neutral” → “Sell” downgrade |
| 2021-08-12 | Barclays | “Overweight” → “Underweight” downgrade |
| 2021-06-10 | RBC Capital | “Outperform” → “Sector Perform” downgrade |
| 2021-01-05 | Bank of America | “Neutral” → “Underperform” downgrade |
| 2020-09-21 | J.P. Morgan | “Neutral” → “Underweight” downgrade |
| 2020-06-09 | Barclays | “Equal Weight” → “Overweight” upgrade |
| 2020-03-23 | Bank of America | “Buy” → “Neutral” downgrade |
| 2019-03-04 | J.P. Morgan | “Overweight” → “Neutral” downgrade |
| 2018-12-14 | Goldman Sachs | “Neutral” → “Sell” downgrade |
| 2018-09-18 | Bank of America | “Neutral” → “Buy” upgrade |
| 2018-08-01 | BMO Capital | “Outperform” → “Market Perform” downgrade |
| 2018-07-18 | Goldman Sachs | “Buy” → “Neutral” downgrade |
| 2018-01-03 | Piper Sandler | “Overweight” → “Neutral” downgrade |
| 2017-12-12 | Citigroup | “Neutral” → “Buy” upgrade |
| 2017-03-27 | Mizuho | “Neutral” → “Buy” upgrade |
| 2017-03-06 | Piper Sandler | “Neutral” → “Overweight” upgrade |
| 2016-12-14 | Raymond James | “Outperform” → “Market Perform” downgrade |
| 2016-11-09 | Bank of America | “Buy” → “Neutral” downgrade |
| 2016-11-09 | Avondale Partners | “Market Outperform” → “Market Perform” downgrade |
| 2016-10-24 | Wolfe Research | “Peer Perform” → “Perform” revised |
| 2016-10-11 | Wallachbeth | “Buy” → “Hold” downgrade |
| 2016-03-29 | Wells Fargo | “Market Perform” → “Outperform” upgrade |
| 2016-03-02 | Sterne Agee | “Underperform” → “Neutral” upgrade |
| 2016-03-02 | Sterne Agee | “Underperform” → “Neutral” upgrade |
| 2016-02-10 | Standpoint Research | “Hold” → “Buy” upgrade |
| 2015-10-01 | KeyBanc | “Sector Weight” → “Overweight” upgrade |
| 2015-07-16 | KeyBanc | “Overweight” → “Hold” downgrade |
| 2015-04-01 | Sterne Agee | “Neutral” → “Underperform” downgrade |
| 2015-01-08 | Barclays | “Overweight” → “Equal Weight” downgrade |
| 2014-09-29 | BMO Capital | “Market Perform” → “Outperform” upgrade |
| 2014-06-03 | Avondale Partners | “Market Perform” → “Market Outperform” upgrade |
| 2013-05-17 | Susquehanna | “Positive” → “Neutral” downgrade |
| 2013-03-04 | Wallachbeth | “Buy” → “Hold” downgrade |
| 2013-01-18 | Standpoint Research | “Buy” → “Hold” downgrade |
| 2013-01-07 | Susquehanna | “Neutral” → “Positive” upgrade |
| 2012-06-29 | Wells Fargo | “Market Perform” → “Perform” revised |