| 2023-10-26 | Bank of America | “Neutral” → “Underperform” downgrade |
| 2023-04-20 | Barclays | “Overweight” → “Equal Weight” downgrade |
| 2022-10-11 | Evercore ISI | “Outperform” → “In Line” downgrade |
| 2022-07-20 | Bank of America | “Buy” → “Neutral” downgrade |
| 2022-07-14 | Credit Suisse | “Outperform” → “Neutral” downgrade |
| 2022-07-14 | J.P. Morgan | “Overweight” → “Neutral” downgrade |
| 2022-07-13 | Piper Sandler | “Overweight” → “Neutral” downgrade |
| 2022-04-12 | Morgan Stanley | “Overweight” → “Equal Weight” downgrade |
| 2022-01-10 | Evercore ISI | “In Line” → “Outperform” upgrade |
| 2021-07-27 | Bank of America | “Neutral” → “Buy” upgrade |
| 2021-06-10 | Credit Suisse | “Neutral” → “Outperform” upgrade |
| 2021-06-01 | Goldman Sachs | “Neutral” → “Sell” downgrade |
| 2021-04-08 | Credit Suisse | “Outperform” → “Neutral” downgrade |
| 2020-11-25 | Bank of America | “Underperform” → “Neutral” upgrade |
| 2020-11-16 | J.P. Morgan | “Neutral” → “Overweight” upgrade |
| 2020-10-23 | MKM Partners | “Neutral” → “Buy” upgrade |
| 2020-07-09 | Morgan Stanley | “Equal Weight” → “Overweight” upgrade |
| 2020-02-10 | Needham | “Hold” → “Buy” upgrade |
| 2019-12-05 | Bank of America | “Buy” → “Underperform” downgrade |
| 2019-09-09 | Piper Sandler | “Neutral” → “Overweight” upgrade |
| 2019-08-08 | Morgan Stanley | “Underweight” → “Equal Weight” upgrade |
| 2019-07-08 | Goldman Sachs | “Neutral” → “Sell” downgrade |
| 2019-04-01 | Nomura | “Neutral” → “Buy” upgrade |
| 2019-03-29 | Piper Sandler | “Underweight” → “Neutral” upgrade |
| 2019-03-12 | J.P. Morgan | “Overweight” → “Neutral” downgrade |
| 2019-01-17 | William Blair | “Outperform” → “Market Perform” downgrade |
| 2018-10-12 | Standpoint Research | “Hold” → “Buy” upgrade |
| 2018-10-01 | Piper Sandler | “Neutral” → “Underweight” downgrade |
| 2018-07-19 | Morgan Stanley | “Equal Weight” → “Underweight” downgrade |
| 2018-06-19 | Citigroup | “Buy” → “Neutral” downgrade |
| 2018-06-18 | Standpoint Research | “Buy” → “Hold” downgrade |
| 2018-05-16 | D.A. Davidson | “Buy” → “Neutral” downgrade |
| 2018-01-05 | Bank of America | “Neutral” → “Buy” upgrade |
| 2018-01-04 | BMO Capital | “Market Perform” → “Outperform” upgrade |
| 2017-10-02 | Standpoint Research | “Accumulate” → “Buy” revised |
| 2017-07-27 | Wells Fargo | “Outperform” → “Market Perform” downgrade |
| 2017-07-27 | Oppenheimer | “Outperform” → “Market Perform” downgrade |
| 2017-07-14 | Piper Sandler | “Overweight” → “Neutral” downgrade |
| 2017-03-29 | Deutsche Bank | “Hold” → “Sell” downgrade |
| 2016-12-14 | Citigroup | “Neutral” → “Buy” upgrade |
| 2016-11-30 | Bernstein | “Outperform” → “Market Perform” downgrade |
| 2016-11-09 | Nomura | “Reduce” → “Neutral” upgrade |
| 2016-10-27 | Piper Sandler | “Neutral” → “Overweight” upgrade |
| 2016-09-14 | Oppenheimer | “Perform” → “Outperform” upgrade |
| 2016-07-21 | Credit Suisse | “Outperform” → “Neutral” downgrade |
| 2016-05-17 | Pacific Crest | “Overweight” → “Sector Weight” downgrade |
| 2016-01-15 | Sterne Agee | “Buy” → “Neutral” downgrade |
| 2016-01-15 | Sterne Agee | “Buy” → “Neutral” downgrade |
| 2016-01-14 | Barclays | “Equal Weight” → “Underweight” downgrade |
| 2016-01-12 | Deutsche Bank | “Buy” → “Hold” downgrade |
| 2015-12-09 | Nomura | “Neutral” → “Reduce” downgrade |
| 2015-11-13 | JMP Securities | “Market Outperform” → “Market Perform” downgrade |
| 2015-11-13 | William Blair | “Outperform” → “Market Perform” downgrade |
| 2015-10-29 | RBC Capital | “Outperform” → “Sector Perform” downgrade |
| 2015-10-29 | Needham | “Buy” → “Hold” downgrade |